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eDisplay (OP7200) - Digi International

1. Port 1 0 Signal Notes PCO Output RTS TXD RS 232 Inactive high Serial Port D PC1 Input CTS RXD RS 232 Inactive high PC2 Output TXC RS 232 Inactive high Serial Port C PC3 Input RXC RS 232 Inactive high PC4 Output Realtek Reset Initialized by sock_init PCS Input Realtek INTO Pulled up to Vcc PC6 Output TXA Programming Port Inactive high Serial Port A PC7 Input RXA Programming Port Inactive high PDO Input Realtek CLK Initialized by sock_init PD1 Input Realtek SDO Initialized by sock_init PD2 Output Not Used High PD3 Output ADC and Touchscreen Chip Select High PD4 Output ATXB RS 485 Inactive high Serial Port B PD5 Input ARXB RS 485 Inactive high PD6 Output Not Used High PD7 Output Not Used High PEO Output ADC and Touchscreen Serial Clock High PE1 Output ADC and Touchscreen Data In High PE2 Output Realtek IORB Strobe Initialized by sock_init PE3 Output Realtek SDI Line Initialized by sock_init PE4 Output CPLD Chip Select 0 High PE5 Output CPLD Chip Select 1 High PE6 Output Realtek I O Write Initialized by sock_init PE7 Output SED1335 Chip Select High 136 eDisplay OP7200 A 5 I O Address Assignments Table A 4 lists the external I O address assignments Table A 4 Display and Keypad I O Addresses External Address Signal Name Function PBDR Write PB7 Port Pin 0 LED off 1 LED on PB7 Up Good LCD indicator
2. PE5 PE4 A3 0 DO Signal Function 1 0 0000 1 SINKO Enable Sink Output 0 1 0 0000 0 SINKO Disable Sink Output 0 1 0 0001 1 SINK1 Enable Sink Output 1 1 0 0001 0 SINK1 Disable Sink Output 1 0 0010 1 SINK2 Enable Sink Output 2 1 0 0010 0 SINK2 Disable Sink Output 2 1 0 0011 1 SINK3 Enable Sink Output 3 1 0 0011 0 SINK3 __ Disable Sink Output 3 1 0 0100 1 SINK4 Enable Sink Output 4 1 0 0100 0 SINK4 __ Disable Sink Output 4 1 0 0101 1 SINKS __ Enable Sink Output 5 1 0 0101 0 SINKS __ Disable Sink Output 5 1 0 0110 1 SINK6 __ Enable Sink Output 6 1 0 0110 0 SINK6 __ Disable Sink Output 6 1 0 0111 1 SINK7 __ Enable Sink Output 7 1 0 0111 0 SINK7 __ Disable Sink Output 7 1 0 1000 1 SOURCE Enable Source Output 0 1 0 1000 0 SOURCE Disable Source Output 0 1 0 1001 1 SOURCE Enable Source Output 1 1 0 1001 0 SOURCE Disable Source Output 1 1 0 1010 1 SOURCE2 Enable Source Output 2 1 0 1010 0 SOURCE2 Disable Source Output 2 42 eDisplay OP7200 Table 6 CPLD Parameters continued PE5 PE4 A3 0 DO Signal Function 1 0 1011 1 SOURCE3 Enable Source Output 3 1 0 1011 0 SOURCE3 Disable Source Output 3 1 0 1100 1 SOURCE4 Enable Source Output 4 1 0 1100 0 SOURCE4 Disable Source Output 4 1 0 1101 1 S
3. BEDE Read EBD PB5 ADC SDO Data from A D converter or touchscreen serial data from device PDDR Write PD3 0 ADC chip selected PD3_ADC CS_ CS for A D converter or touchscreen 1 touchscreen chip selected ee Write EEN PE0 ADC SK CLK for A D converter or touchscreen clock data to device on 0 1 trans FEDS NEE r PE1 ADC SDI Data to A D converter or touchscreen serial data to the device PBDR Read PB4 0 touchscreen active PB4_TSC_PIRQ Touchscreen status 1 touchscreen not active PADR Read PAO PA7 port pins INO IN7 Digital inputs INO IN7 0x8000 Read D0 D7 data lines IN8 IN15 Digital inputs IN8 IN15 0x8000 0x8007 Write 0 driver enabled SINKO SINK7 Sinking driver control lines 1 driver disabled 0x8008 0x800F Write 0 driver enabled SOURCEQ Sourcing driver control lines 1 driver disabled Seon 0xA000 Read Data line DS 0 key active 1 no active keys KD Reypadzow N 0xA000 Read Data line D6 0 key active 1 no active keys s Keypad tow 0xA000 Read Data line D7 0 key active 1 no active keys BA Keypad Wwa 0xA000 Write 1 assert key scan line KB SO Keypad column 0 0 deassert key scan line OxA001 Write 1 assert key scan line KB S1 Keypad column 1 0 deassert key scan line 0xA002 Write 1 assert key scan line KB S2 Keypad column 2 0 deassert key scan line 0xA003 Write 1 assert key scan line KB S3
4. AIN1 A ours Digital AIN2 OUT3 Outputs AIN3 A OUT2 A Be j AH out p AIN5 A OUTO ANG Battery S K AIN7 AH PwR J Power AGND Q Pwr Supply INO J6 J10 GND IN1 485 RS 485 IN2 485 E IN3 oH a va C2 Us SU y7 WEG RXD CTS ine o o SH TXDIRTS ince 3 oa cd Ape RS 232 Digital INS ev Un e RXC Inputs IN6 RQ T 5 A TXC IN7 ro Sal irst__ Reset IN8 O IN15 IN9 BEE IN14 Digital IN10 is jroo IN13 Inputs IN14 AC ETN IN12 rE a 0 ee is FSP ps2 Feo i mi Laj j esa Ethernet RabbitNet Figure 6 OP7200 Pinouts NOTE Screw terminal header J2 and the associated analog and digital I O are not avail able on the OP7210 3 1 1 Headers and Screw Terminals Standard OP7200 models are equipped with four 1 x 12 screw terminal strips J2 J3 J6 and J10 anda 2 x5 programming header and an RJ 45 Ethernet jack on the RCM2200 RabbitCore module The RJ 45 jack labeled RabbitNet is a serial I O expansion port for use with RabbitNet T O cards The RabbitNet jack does not support Ethernet connections Be careful to connect your Ethernet cable to the jack labeled Ethernet 18 eDisplay OP7200 3 2 Indicators 3 2 1 LEDs The OP7200 has two LEDs Power Good and Microprocessor Bad The green Power Good LED at DS2 indicates when power is applied to the OP7200 and that Vcc is within the proper operating range of 4 5 to 5 5 V The LED turns off when the OP7200 is being reset The red Microprocessor Bad LED at DS
5. 34 eDisplay OP7200 The OP7200 comes with a 220 Q termination resistor and two 681 Q bias resistors installed and enabled with jumpers across pins 1 2 and 4 6 on header J8 as shown in Figure 16 termi nation d Pid Pid Fid HiT HI GE GE GE EE Gi HAJ H dL Pid Factory Default tale Figure 16 RS 485 Termination and Bias Resistors For best performance the termination resistors in a multidrop network should be enabled only on the end nodes of the network but not on the intervening nodes Jumpers on boards whose termination resistors are not enabled may be stored across pins 1 3 and 5 6 of header J8 NOTE Remove the back cover from the OP7200 to access the bias and termination resistor jumpers on header J8 User s Manual 35 3 5 3 RabbitNet Port The RJ 45 jack labeled RabbitNet is a serial I O expansion port for use with RabbitNet I O cards The RabbitNet jack does not support Ethernet connections There is also no provision for the OP7200 to supply power to any RabbitNet peripheral cards When you are using the OP7200 in a RabbitNet network Serial Port B is configured as a clocked serial port and the RS 485 chip drives the RabbitNet port the OP7200 then cannot be used for RS 485 s
6. eDisplay OP7200 14 VGA Operator Control Panel User s Manual 019 0116 090529 M OP7200 User s Manual Part Number 019 0116 090529 M Printed in U S A 2002 2009 Digi International Inc All rights reserved No part of the contents of this manual may be reproduced or transmitted in any form or by any means without the express written permission of Digi International Permission is granted to make one or more copies as long as the copyright page contained therein is included These copies of the manuals may not be let or sold for any reason without the express written permission of Digi International Digi International reserves the right to make changes and improvements to its products without providing notice Trademarks Rabbit and Dynamic C are registered trademarks of Digi International Inc Rabbit 2000 RabbitCore and RabbitNet are trademarks of Digi International Inc The latest revision of this manual is available on the Rabbit Web site www rabbit com for free unregistered download Digi International Inc www rabbit com eDisplay OP7200 TABLE OF CONTENTS Chapter 1 Introduction 1 Meal Feature seenen e E ee ee cee enue etousyeemet enor 1 1 2 Development and Evaluation Tools 00 0 cece ssessecsecesecseceseeeceeeeseseeeeeecaeeacecaecseecaeesaesaesesneseeeeenseas 3 1 2 1 Tool Kitiscsscicseces cctv sacevssstecetes heads bobs liek casted veedetceh tevegs sav R REE AA E RE EE EE EE EERE 3 VDD
7. 70 eDisplay OP7200 Reads the calibration constants gain and offset for an input based on its designated channel code position into global table _adcCalib The constants are stored in the top 1K of the reserved user block memory area Use the sample program USERBLOCKINFOR C in SAMPLES OP7200 to get the addresses reserved for the calibration data constants and the addresses available for use by your program NOTE This function cannot be run in RAM PARAMETERS channel is the analog input channel number 0 to 7 corresponding to AINO AIN7 channel Single Ended Input Differential Input 0 AINO AINO AIN1 1 AIN1 2 AIN2 AIN2 AIN3 3 AIN3 4 AIN4 AIN4 AIN5 5 AIN5 6 AIN6 AIN6 AIN7 7 AIN7 1 ALL CHANNELS ALL CHANNELS opmode is the mode of operation 0 SE MODE single ended input line 1 DIFF MODE differential input line 2 mAMP MODE 4 20 mA input line gaincode is the gain code of 0 to 7 for both single ended and differential measurements Gain Code Macro Gain 0 GAIN X1 xl 1 GAIN _X2 x2 2 GAIN _X4 x4 3 GAIN_X5 x5 4 GAIN _X8 x8 5 GAIN_ X10 x10 6 GAIN X16 x16 7 GAIN X20 x20 User s Manual 71 RETURN VALUE 0 if successful 1 if address is invalid or out of range SEE ALSO anaInEEWr anaInCalib brdInit 72 eDisplay OP7200 Writes the calibration constants gain and offset for an inpu
8. 4 3 8 Using System Information from the RabbitCore Module Calibration constants for the A D converter are stored in the simulated EEPROM area of the flash memory You may find it useful to retrieve the calibration constants and save them for future use for example if you should need to replace the RabbitCore module on the OP7200 The following sample programs found in the Calib Save Retrieve subdirectory in SAMPLES OP7200 illustrate how to save or retrieve the calibration constants Note that both sample programs prompt you to use a serial number for the OP7200 This serial num ber can be any 5 digit number of your choice and will be unique to a particular OP7200 Do not use the MAC address on the bar code label of the RabbitCore module attached to the OP7200 since you may at some later time use that particular RabbitCore module on another OP7200 and the previously saved calibration data would no longer apply e SAVECALIB C This program demonstrates how to save your analog calibration coef ficients using a serial port and a PC serial utility such as Tera Term NOTE Use the sample program GETCALIB C to retrieve the data and rewrite it to the single board computer e GETCALIB C This program demonstrates how to retrieve your analog calibration data to rewrite it back to the simulated EEPROM in flash with using a serial utility such as Tera Term NOTE Calibration data must be saved previously in a file by the sample program SAVE
9. row is the character row location SEE ALSO TextPutChar TextPrintf TextWindowFrame TextCursorLocation 86 eDisplay OP7200 Gets the current cursor location that was set by one of the graphic text functions NOTE Be sure to execute the TextWindowFrame function before using any of the text only functions TextGotoxy TextPutChar TextPrintf TextCursorLocation PARAMETERS window is a pointer to the window frame col is a pointer to the cursor column variable row is a pointer to the cursor row variable RETURN VALUE lower word cursor row location upper word cursor column location SEE ALSO TextGotoxY TextPrintf TextWindowFrame TextPutChar Displays a character on the display where the cursor is currently pointing If any portion of the bitmap character is outside the LCD display area the character will not to be displayed NOTE Be sure to execute the TextWindowFrame function before using any of the text only functions TextGotoXy TextPutChar TextPrintf TextCursorLocation PARAMETERS window is a pointer to the window frame Ch is the character to be displayed on the LCD SEE ALSO TextGotoxY TextPrintf TextWindowFrame TextCursorLocation User s Manual 87 This function prints a formatted string much like print f on the LCD screen Only printable charac ters in the font set are printed escape sequences r and n are also recognized All other escape sequences will be skipped over For example
10. 7 GAIN X20 x20 0 1 V RETURN VALUE A voltage value corresponding to the voltage on the analog input channel SEE ALSO anaInCalib anaIn brdInit anaInmAmps anaInDiff 68 eDisplay OP7200 Reads the state of a differential analog input channel and uses the previously set calibration constants to convert it to volts PARAMETERS channel is the channel number 0 2 4 6 Channel Differential Input Lines 0 AINO AIN1 2 AIN2 AIN3 4 AIN4 AINS 6 AIN6 AIN7 gaincode is the gain code of 0 to 7 Gain Code Macro Gain Rite 0 GAIN X1 xl 20 to 20 V 1 GAIN_X2 x2 10 to 10 V 2 GAIN_X4 x4 5to5 V 3 GAIN_X5 x5 4 t04 V 4 GAIN_X8 x8 2 5 to 2 5 V 5 GAIN X10 x10 2to2V 6 GAIN X16 x16 1 25 to 1 25 V 7 GAIN X20 x20 lto1V RETURN VALUE A voltage value corresponding to the voltage on the analog input channel SEE ALSO brdInit anaInCalib anaIn anaInVolts anaInmAmps User s Manual 69 Reads the state of an analog input channel and uses the previously set calibration constants to convert it to current PARAMETER channel is 0 7 Channel eg cies 0 AINO 1 AIN1 2 AIN2 3 AIN3 4 AIN4 5 AIN5 6 AIN6 7 AIN7 RETURN VALUE A current value between 4 20 mA 0 004 and 0 020 A corresponding to the current on the analog input channel SEE ALSO brdInit anaInCalib anaIn anaInVolts anaInDiff
11. Demonstrates the features of the OP7200 A variable customer supplied 0 10 V DC power supply is recommended to demonstrate the analog input section 4 3 2 Digital I O The following sample programs are found in the Io subdirectory in SAMPLES OP7200 BUZZER C Demonstrates the use of the OP7200 buzzer DIGIN c Demonstrates the use of the digital inputs Using the Demonstration Board you can see an input channel toggle from HIGH to LOW when pressing a pushbutton on the Demonstration Board DIGOUT C Demonstrates the use of the high current outputs configured as either sinking or sourcing outputs Using the Demonstration Board you can see an LED toggle on off via a high current output e LED Cc Toggles the LEDs on the OP7200 e PwM c Demonstrates the use of Timer B to generate a 42 Hz PWM signal on digital output OUTO The PWM duty cycle may be adjusted from 1 to 99 Connect K to PWR pins 1 and 3 on screw terminal header J3 to run this sample program TRISTATE C Demonstrates the use of the high current outputs configured as sink ing sourcing or tristate outputs Using the Demonstration Board you can see a bank of channels toggle the corresponding LEDs on off via the high current outputs 52 eDisplay OP7200 4 3 3 Serial Communication The following sample programs are found in the RS232 subdirectory in SAMPLES OP7200 e PUTS C fThis program transmits and then receives an ASCII string on Serial Por
12. If you would like to change the default values for example to use an IP address of 10 1 1 2 for the RCM3200 board and 10 1 1 1 for your PC you can edit the values in the section that directly follows the General Configuration comment in the TCP_CONFIG LIB library You will find this library in the LIB TCPIP directory 3 You can create a CUSTOM_CONFIG LIB library and use a TCPCONFIG value greater than 100 Instructions for doing this are at the beginning of the TCP_CONFIG LIB file There are some other standard configurations for TCPCONFTIG that let you select differ ent features such as DHCP Their values are documented at the top of the TCP CONFIG LIB library More information is available in the Dynamic C TCP IP User s Manual User s Manual 115 5 2 2 How to Set Up Your Computer for Direct Connect Follow these instructions to set up your PC or notebook Check with your administrator if you are unable to change the settings as described here since you may need administrator privileges The instructions are specifically for Windows 2000 but the interface is similar for other versions of Windows TIP If you are using a PC that is already on a network you will disconnect the PC from that network to run these sample programs Write down the existing settings before changing them to facilitate restoring them when you are finished with the sample pro grams and are ready to reconnect your PC to the network 1 Go to t
13. None SEE ALSO glMenuInit glMenu glMenuClear 76 eDisplay OP7200 Clears the menu indicated by the WindowMenu descriptor pointer PARAMETER mPtr isa windowMenu descriptor pointer RETURN VALUE None SEE ALSO glRefreshMenu glMenu glMenuInit User s Manual 77 4 5 6 2 Graphic Drawing Routines The GRAPHIC LIB library in the DISPLAYS GRAPHIC directory provides function calls for primitive graphic drawing routines such as lines circles and polygons Initializes the display devices clears the screen This function call must be made prior to any other graphic function calls SEE ALSO glDispOnOFF glBacklight glSetContrast glPlotDot glBlock glPlotPolygon glPlotCircle glHScroll glVScroll glXFontInit glPrintf glPutChar glSetBrushType glBuffLock glBuffUnlock glPlotLine Increments LCD screen locking counter Graphics calls are recorded in the LCD memory buffer and are not transferred to the LCD if the counter is non zero NOTE Functions g LBuf Lock and glBuffUnlock can be nested up to a level of 255 but be sure to balance the calls It is not a requirement to use these procedures but a set of g 1BuffLock and g 1BuffUnlock bracketing a set of related graphics calls significantly speeds up the rendering SEE ALSO glBuffUnlock glSwap Decrements LCD screen locking counter The contents of the LCD buffer are transferred to the LCD if the counter goes to zero SEE ALSO glBuffLock glSw
14. The follow ing sample code illustrates this sequence Initialize Serial Port C set baud rate to 19200 serCopen 19200 serCwrFlush serCrdFlush Initialize Serial Port D set baud rate to 19200 serDopen 19200 serDwrFlush serDrdFlush Set serial mode must be done after serXopen function s and before Rabbitnet initialization serMode 0 Initialize RabbitNet port rn_init RN PORTS 1 Use the following function calls with the OP7200 Note that Serial Port B is used for both RS 485 and the RabbitNet port so that RS 485 is no longer available once you have con figured Serial Port B as a RabbitNet port User s Manual 63 User interface to set up OP7200 serial communication lines Call this function after serXOpen Whether you are opening one or multiple serial ports this function must be executed after executing the last serXOpen function AND before you start using any of the serial ports This function is non reentrant If Mode 1 or Mode 3 is selected CTS RTS flow control is exercised using the serCflowcontrol0n and serCflowcontrolOff functions from the RS232 LIB library PARAMETER mode is the defined serial port configuration Serial Port Mode B G D 0 RS 485 RS 232 3 wire RS 232 3 wire RS 485 RS 232 5 wire CTS RTS 2 not initialized RS 232 3 wire RS 232 3 wire 3 not initialized RS 232 5 wire CTS RTS Use modes 2 and 3 when S
15. Y2 C2 U3 c1 U8 uy Del Ag Fo a 8 Y1 c4 ET Rt c17 E alr i rae NPT SUPE eno 3 400 4 695 119 4 410 112 2 485 63 1 0 275 7 0 86 4 3 750 95 3 0 140 3 6 Figure A 2 User Board Footprint for OP7200 130 eDisplay OP7200 A 2 Conformal Coating The areas around the crystal oscillator and the battery backup circuit on the OP7200 s RabbitCore module have had the Dow Corning silicone based 1 2620 conformal coating applied The conformally coated areas are shown in Figure A 3 The conformal coating protects these high impedance circuits from the effects of moisture and contaminants over time and helps to maintain the accuracy of the real time clock Conformally coated area Figure A 3 OP7200 s RabbitCore Module Areas Receiving Conformal Coating Any components in the conformally coated area may be replaced using standard soldering procedures
16. e mail when a switch on the Demonstration Board is pressed The program SSI C SAMPLES OP7200 TCPIP demonstrates how to make the OP7200 a Web server This program allows you to turn the LEDs on an attached Demon stration Board from the Tool Kit on and off from a remote Web browser LED1 and LED2 on the Demonstration Board will match those on the Web page As long as you have not modified the TCPCONFIG 1 macro in the sample program enter the following server address in your Web browser to bring up the Web page served by the sample program http 10 10 6 100 Otherwise use the TCP IP settings you entered in the TCP_CONFIG LIB library The sample program TELNET C SAMPLES OP7200 TCPIP allows you to communi cate with the OP7200 using the Telnet protocol This program takes anything that comes in on a port and sends it out Serial Port B It uses digital input INO to indicate that the TCP IP connection should be closed and high current output OUTO to indicate that there is an active connection You may change the digital input and output to suit your application needs Follow the instructions included with the sample program Run the Telnet program on your PC Start gt Run telnet 10 10 6 100 As long as you have not modified the TCPCONFIG 1 macro in the sample program the IP address is 10 10 6 100 as shown otherwise use the TCP IP settings you entered in the TCP_CONFIG LIB library Each character you type will be printed in Dynamic C s STDI
17. nothing will be displayed for b and t The text window feature provides end of line wrapping and clipping after the character in the last col umn and row is displayed NOTE Be sure to execute the TextWindowFrame function before using any of the text only functions TextGotoxXy TextPutChar TextPrintf TextCursorLocation PARAMETERS window is a pointer to the window frame fmt is a formatted string e formatted string conversion parameter s EXAMPLE TextPrintf amp TextWindow Test d n count SEE ALSO TextGotoxY TextPutChar TextWindowFrame TextCursorLocation Scrolls byte aligned window left one pixel right column filled by current pixel type color PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window SEE ALSO glHScroll glRight1 Scrolls byte aligned window right one pixel left column filled by current pixel type color PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window SEE ALSO glHScroll glLeftl 88 eDisplay OP7200 Scrolls right or left within the defined window by nPix number of pixels The opposite edge of the scr
18. positive or negative User s Manual 25 The A D converter chip can only accept positive voltages When the 0 Q resistor shown in Figure 11 ties the A D attenuator circuit to analog ground both differential inputs must be ref erenced to analog ground and both inputs must be positive with respect to analog ground If a device such as a battery is con nected across two channels for a differential measurement and it is not referenced to analog ground then the current from the device will flow through both sets of attenuator resistors as shown in Figure 12 This will generate a negative voltage at one of the inputs AIN1 which will almost certainly lead to inaccurate A D conversions Figure 12 Current Flow from Ungrounded or Floating Source To make such differential measurements move the 0 Q resistor jumper see Figure 11 associated with the A D converter inputs JP4 JP5 JP6 or JP7 from analog ground to the 2 048 V reference voltage This allows input voltages that are negative with respect to analog ground Table 3 provides the differential voltage ranges for this setup Table 3 Differential Voltage Ranges Min Differential Max Differential Amplifier Voltage Voltage i mV per Tick V V Gain 0 20 0 xl 10 0 10 0 x2 5 0 5 0 x4 2 5 0 4 0 x5 2 0 0 2 5 x8 1 25 0 2 0 x10 1 00 0 1 25 x16 0 625 0 1 0 x20 0 500 26 eDisplay OP72
19. sssssessseeseseeeeee 10 glXGetFastmap 92 CONNECTIONS 00 cceeceeeeeeeee 10 reset generator 144 glXPutBitmap 90 switching voltage regulator RS 485 network veecccssesssseseees 34 glXPutFastmap 0 91 139 termination and bias resis TextBorder ss cssciscessvseeie 92 VRAM switch 0 144 URS A E 35 TextBorderInit 92 162 eDisplay OP7200 S sample programs nsss 52 A D converter ADCAL_DIFF_2V C 54 ADCAL_DIFF_GND C 54 ADCAL_MA_CH C 54 ADCAL_SE_ALL C 54 ADCAL_SE_CH C 54 ADRD_DIFF_2V C 54 ADRD_DIFF_GND C Seer EET 30 54 ADRD_MA_CH C 30 54 ADRD_SE_ALL C 54 ADRD_SE_CH C 54 BOARD _ID C 52 calibration constants GETCALIB C 56 SAVECALIB C 56 digital I O BUZZER Creseis 52 DIGBANKOUT C 52 DIGIN C 52 147 148 DIGOUT C 52 147 149 FEDO sciences 52 PWM ORE 52 FUNC Tarate 11 52 graphic display BUFFLOCK C 55 CONTRAST C 55 PRIMITIVES C 55 SCROLLING C 55 TEX TO oean i 5 how to set IP address 115 keypad KP_16KEY C 55 KP_ANALOG_C 55 KP_BASIC C siose 55 KP_MENU C 55 OP7200 features 14 PONG Corien 14 power up demonstration program 0 0 eeeeeeeeeeeeee 11 real time clock RTC_TEST C 15 SETRTCKB C 0 15 serial co
20. 4 4 OP7200 Libraries The following library folders contain the libraries whose function calls are used to develop applications for the OP7200 OP7200 libraries associated with features specific to the OP7200 The functions in the OP72xx LIB library are described in Section 4 5 OP7200 Function APIs DISPLAYS libraries associated with the LCD display The GLMENU LIB library pro vides function calls to display menus on the OP7200 LCD display KEYPADS libraries associated with the keypad The KEYPAD9 LIB library provides function calls to keypad menus for the OP7200 keypad TOUCHSCREENS libraries associated with the touchscreen The GLTOUCHSCREEN LIB library allows you to link adjacent pixel locations on the LCD to create a button The button can then be translated by the touchscreen when pressed The TS_R4096 LIB library in the TouchScreens directory provides low level touchscreen function calls RABBITNET libraries associated with the RabbitNet network The RN_CFG_ OP72 LIB library is used to configure the OP7200 for use as a master with RabbitNet peripheral cards The function calls in the RNET LIB library are used to set up the Rab bitNet network and are described in Appendix D Each RabbitNet I O card also has its own library in this folder and these function calls are described in the user s manual for each I O card Call the libraries you intend to use in the following order use OP72xx LIB us
21. D A converter e Display Keypad interface e Relay card Appendix D provides additional information on RabbitNet peripheral cards and the Rabbit Net protocol Visit our Web site for up to date information about additional add ons and fea tures as they become available User s Manual 5 1 4 CE Compliance Equipment is generally divided into two classes CLASS A CLASS B Digital equipment meant for light industrial use Digital equipment meant for home use Less restrictive emissions requirement less than 40 dB pV m at 10 m 40 dB relative to 1 uV m or 300 u V m More restrictive emissions requirement 30 dB u V m at 10 m or 100 uV m These limits apply over the range of 30 230 MHz The limits are 7 dB higher for frequencies above 230 MHz Although the test range goes to 1 GHz the emissions from Rabbit based systems at frequencies above 300 MHz are generally well below background noise levels The OP7200 has been tested and was found to be in conformity with the following applicable immunity and emission standards The OP7210 is also CE qualified as it is a sub version of the OP7200 Boards that are CE compliant have the CE mark NOTE Earlier versions of the OP7200 sold before 2003 that do not have the CE mark are not CE compliant Immunity The OP7200 operator control panels meet the following EN55024 1998 immunity stan dards e EN61000 4 2 ESD e EN61000 4 3 Radiated Immunity e EN61000 4 4
22. Demonstration Board Before running sample programs based on the Demonstration Board you will have to con nect the Demonstration Board from the OP7200 Tool Kit to the OP7200 board Proceed as follows 1 Use the wires included in the OP7200 Tool Kit to connect header J1 on the Demonstra tion Board to the OP7200 The connections are shown in Figure C 1 for sample program DIGIN C in Figure C 2 for sample program DIGOUT C and in Figure C 3 for the OP7200 TCPIP TCP IP sample programs 2 Make sure that your OP7200 is connected to your PC and that the power supply is con nected to the OP7200 and plugged in as described in Chapter 2 Getting Started User s Manual 147 USR PWR CAUTION Disconnect power before making or removing terminal connections QS D LNK 1 gt iki OP7200 Demonstration Board Headers J3 J10 Header J1 K GND Jumpers bal H1 None sw2 SwW3 H2 As shown swi SW2 SW3 SW4 Figure C 1 Connections Between OP7200 and Demonstration Board for DIGIN C Sample Program 148 eDisplay OP7200 CAUTION Disconnect power before making or removing terminal connections ORT any ey Fy 7 Toy RTT i 7 RIT GND i 0 11606069 Si O a i QBNOODB AAO FOr o HOllo o f teve 0 628822 JBS m aS H2 9 i 8 A 3 O INTIM S E 1 2 a 84 DEMO BOARD A l 5 6 O swi sw2 Sw3 sSw4 OP7200 D
23. E Raa E E EE E EA 39 30 L SRAM oa e EEE as en ed eee a ee ea 39 30 2 Plas AM emoryi eE E E A E E AEEA 39 3 7 Liquid Crystal Display Controller sseerisicrsrsesimresssereersosiredssoeecioresissesensissr oere desiree keener iseit 40 User s Manual BiB Keypad enoaan i E ecu sots soda E EE E EE EA E A eee gavei ecb inetd sotntoe mabe dees 41 SO N O d E D EEEE E E Bet A E ec ait Aetna teed 42 3 10 Programming Cables sce ccs cose ae aE EE E E E E E aE Es 44 3 10 1 Changing Between Program Mode and Run Mode s sssseeseseseeseeeseessrsseeeersssesererseresessesees 44 3 11 Other Hatdw ares Ee Sein hi ee E ested 45 SDV ST SpectrumeS preaderss eivee ssdehscein caeednnvavesonsbaeeaiea seek sauces ode aoe A EEEE EEEE E EE AEE 45 Chapter 4 Software 47 4 1 Running Dynamic C eis 28 as ane a a an ein eaten ete aca eee Ey 47 4 1 1 Upgrading Dynamic siipiin tastiwet ates cessens Sadeghi ep N EE E A steer 49 4 1 2 Accessing and Downloading Dynamic C Libraries 200 00 cece cece eeeceeeeeeceseeeeecaeesecneeaeenees 50 4 2 Font and Bitmap Converter rii aa a saseesv aes evade shoes acces a iT ataa 51 ASS AMPlePROSTAMS ys nren seek en soed coves chicks r e E EERE EE E evans tases svenstbuebaneues covksgesteubigeyatan aaapereneiauubevsve toed 52 4 3 1 General OP7200 Sample Programs neccen a e 52 4 3 2 Dio rtall VO cscs cssce cai cwcsseics Secekou sad ocvsuscasvecunseds E E tebe odes swecusdhcuanve davhcusebe eseucultesteseon tehcnsthcoteneeise 52 4
24. Keypad column 3 0 deassert key scan line User s Manual 137 Table A 4 Display and Keypad I O Addresses continued External Address Signal Name Function 0xA004 Write 1 backlight on 0 backlight off BKLT ON Backlight on off control OxA005 Write 1 Xmit on 0 Xmit off RS 485EN RS 485 transmitter control 0xA006 Write 1 buzzer on 0 buzzer off ALARM Buzzer on off control 0xA007 Write 1 assert LCD address A16 0 deassert LCD address A16 VA16 LCD address line A16 0xA008 Write 1 assert X9013 chip select 0 deassert X9013 chip select cs Contrast control chip select 0xA009 Write 1 set X9013 to count up 0 set X9013 to count down Contrast control count mode OxAOOA Write increment X9013 counter when accessed data don t care INC Contrast control CLK line 0xA00B 0xA00F Reserved Not used OxE000 W R command data byte PE7 LCDM CS SED1335 command register OxE001 W R data register byte PE7 LCDM CS SED1335 data register 138 eDisplay OP7200 APPENDIX B POWER SUPPLY Appendix B describes the power circuitry provided on the OP7200 B 1 Power Supplies Power is supplied to the OP7200 via pins and 2 of screw terminal header J3 The OP7200 is protected against reverse polarity by a full wave bridge rectifier as shown in Figure B 1 The ful
25. PBO KO PB1 K1 PB2 K2 Q Figure 20 OP7200 Keypad Encoding User s Manual 41 3 9 OP7200 CPLD All the random logic used to control the OP7200 is contained within a single ComPlex Logic Device CPLD The AMD ATF1500A contains 32 macrocells and is packaged in a 44 pin TQFP This device contains decoding and a number of I O bits that can be set to high or low to control various functions of the OP7200 The CPLD interfaces to the address and data bus on the RabbitCore module and is write only Two chip select lines PE4 and PES are used to enable the device PE4 and PE5 are configured in software as I O strobes and set the base address used by the CPLD PE4 is used when selecting one of the sixteen I O control bits associated with the eight driver circuits PES is used with the remainder of the controls The control bits within the CPLD normally can be set and reset independently of one another The SINK and SOURCE out puts are different in that both the SINK and SOURCE outputs for a particular driver can not be asserted simultaneously If either the SINK or SOURCE output is asserted and the software tries to set the other the operation is ignored and the bit will not be set The pur pose of this interlock is to prevent damage to the driver circuit by not allowing both cur rent sourcing and sinking to be enabled simultaneously Table 6 CPLD Parameters
26. SLAVE as Za Straight through Ethernet cable ae Rabbit 3000 Microprocessor MASTER MASTER p T 25 Straight through Ethernet cable Figure D 1 Connecting Peripheral Cards to a Master User s Manual 151 Use a straight through Ethernet cable to connect the master to slave peripheral cards unless you are using a device such as the OP7200 that could be used either as a master or a slave In this case you would use a crossover cable to connect an OP7200 that is being used as a slave note that Dynamic C does not support the operation of the OP7200 as a slave at the present time Distances between a master unit and peripheral cards can be up to 10 m or 33 ft D 1 2 RabbitNet Peripheral Cards e Digital I O 24 inputs 16 push pull outputs 4 channels of 10 bit A D conversion with ranges of 0 to 10 V 0 to 1 V and 0 25 to 0 25 V The following connectors are used Signal 0 1 friction lock connectors Power 0 156 friction lock connectors RabbitNet RJ 45 connector e A D converter 8 channels of programmable gain 12 bit A D conversion configurable as current mea surement and differential input pairs 2 5 V reference voltage is available on the connec tor The following connectors are used Signal 0 1 friction lock connectors Power 0 156 friction lock connectors RabbitNet RJ 45 connector e D A converter 8 channels of 0 10 V 12 bit D A conversion The
27. SOF WOT as see e E e aE E E E r R EEr ETA E Secioned 4 1 3 RabbitNet Peripheral Cards 3 c 0scsssscsevsnnevese veanpvech ovecabtetnecedenseavovesnesnneosntecusuouneye canveasens conbavnsaneesneeted 5 14 CE COM pl ance mrss cosets species EEEa ES E E EEN sete vercstete bales EA AEE EEE EEEE EAR EKE EEES 6 LAI Design Guidelines cscs rE E EE EE sion sauder EEE ESE REEERE EESE 7 1 4 2 Interfacing the OP7200 to Other Devices 0 00 eee ceeeseeeeceeceeeceeeeeeeeeeeaeecaecaaecaesaaeaeceeeseenreesneas 7 Chapter 2 Getting Started 9 2 1 Power Supply Connections sieisen ia ia oni a Eaki E AE EER KE Eaa 10 2 2 Demonstration Program on Power Up cesccesccecsscessecesecesseceaceceeeeesaeeeeeesseeesaeceeeecsaeeeneeeeeeeaeeeeaeenees 11 2 3 Programming Cable Connections 00 cee eeseeseseecessecesceceseeesseeencecaeceeneceseecaeceaeeceeeecaeceeaeeneeeesaeeeaeeeaes 12 2 4 Installanig Dynamit C eseeton nn ea eee a Ee ae o Eae ee E oe E EEO ERENER 13 Ded Startins Dynamit vrje sac sescess casieacens toss E AE A a R a a aai AE E a eai 13 20 PONG Orrore nee aTe aE ea a E EEE E EEE ARAE 14 2 1 Where Do LGo From Here aiccnieneneer oin E esd EAEN AE EAE E EE ERA 14 2 S REMOVE Battery Labisse e E e e E A a E A 15 Chapter 3 Subsystems 17 Bel OP7200 PINOUTS ceee eiroet r EE E E E EER EE E E E EES ROR ER 18 3 1 1 Headers and Screw Termimals ccccccccccssscecsssececssceceeeeeceseececeeecesaeceseneesseesenesaeecseeeeesneeeeeaes 18 BD ENO LEAL O
28. Vcc or K or pulled down to GND Contact your authorized Rabbit distributor or your Rabbit sales rep resentative for more information K is an externally supplied voltage of 9 40 V DC used primarily in combination with current sourcing outputs and should be capable of delivering up to 2 A Although a con nection to a K supply is not absolutely required with sinking outputs it is highly recom mended to protect against current spikes when driving inductive loads Connect the positive K supply to pin 3 of screw terminal header J3 and the negative side of the supply to pin 12 of screw terminal header J3 Exercise care to connect this supply correctly because the K inputs are not protected against reverse polarity and serious damage to the OP7200 may result if you connect this supply backwards When you are using the same DC power supply as the main power supply for the OP7200 and as the K power supply Rabbit recommends that you tie the PWR connection to ground Since this step will bypass the reverse polarity protection afforded by the full wave bridge rectifier ensure that the positive leads from the power supply are connected correctly to prevent damage to the OP7200 Tie PWR to GND if using same power supply for OP7200 and K Connected to Sourcing Output External K Power Supply Connected to Sinking Output Adapter Connected to Sourcing Output Sinking Ou
29. a sample program Find the file PONG Cc which is in the Dynamic C SAMPLES folder To run the program open it with the File menu if it is not still open then compile and run it by pressing F9 or by selecting Run in the Run menu The STDIO window will open on the PC and will dis play a small square bouncing around in a box This program shows that the CPU is working The sample program described in Section 5 2 3 Run the PINGME C Demo tests the TCP IP portion of the board 2 7 Where Do I Go From Here NOTE If you purchased your OP7200 through a distributor or Rabbit partner contact the distributor or partner first for technical support If there are any problems at this point e Use the Dynamic C Help menu to get further assistance with Dynamic C e Check the Rabbit Technical Bulletin Board and forums at www rabbit com support bb and at www rabbit com forums e Use the Technical Support e mail form at www rabbit com support If the sample program ran fine you are now ready to go on to explore other OP7200 fea tures and develop your own applications The following sample programs illustrate the features and operation of the OP7200 Basic Keypad Touchscreen BUFFLOCK C KP 16KEY LIB BIN 16KEY C CONTRAST C KP ANALOG C BIN BASICS C PRIMITIVES C KP BASIC C BIN KEYBOARD C SCROLLING C KP MENU C CAL TOUCHSCREEN C TEXT C RD TOUCHSCREEN C These sample programs can be used as templates for applications
30. also available on our Web site at www rabbit com User s Manual eDisplay OP7200 2 GETTING STARTED Chapter 2 explains how to connect the programming cable and power supply to the OP7200 User s Manual 9 2 1 Power Supply Connections 1 First prepare the AC adapter for the country where it will be used by selecting the plug The OP7200 Tool Kit presently includes Canada Japan U S Australia N Z U K and European style plugs Snap in the top of the plug assembly into the slot at the top of the AC adapter as shown in Figure 2 then press down on the spring loaded clip below the plug assembly to allow the plug assembly to click into place Connect the bare ends of the power supply to the PWR and PWR positions on pins 1 and 2 of screw terminal header J3 as shown in Figure 2 The polarity of your connec tions is not important because the power supply circuit has a full wave bridge rectifier t CAUTION Disconnect power J 2 A before making or removing terminal connections H US H en o A A A G WD HW amp ii RESET Remove slot cover input ha insert tab into slot Y me Snap plug into place Fz p plug p A HID A HID HN 0 A HI 5 A S A a w 1 gt El E Net R Net Figure 2 Power Supply Connections 2 Apply power Plug in the AC adapter If you are using your own power supply it must provide 9 V to 40 V DC or 24 V AC voltages o
31. compatible programming port Serial Rate Max burst rate CLK 32 Max sustained rate CLK 64 Real Time Clock Yes Five 8 bit timers four cascadable from the first Toni one 10 bit timer with 2 match registers Watchdog Supervisor Yes Power 9 40 V DC or 22 26 V AC 4 W max Operating Range 10 C to 65 C Temperature Storage Range 30 C to 80 C Humidity 20 to 70 noncondensing Unit Size 4 41 x 5 67 x 1 70 112 mm x 144 mm x 43 mm User s Manual 129 A 1 1 Physical Mounting Figure A 2 shows position information to assist with interfacing other boards with the OP7200 4 135 105 ooccg 1 925 48 9 v1 16 AnnAnnAnAnanAnn a 33 O F 2 el pg cr R24 g e H 5 R23 g h p R2 E a m OS g oe g h aro edd os 05 oong p R38 g d 9 5 ci 5 d E an R39 RIT F Ok JOO j SLAVE g d Q s R55 C30 g B iod andad p oso psg d To tn R56 g q 62 55 C86 Q re o TS Te os os 2s os oo g
32. coordinate is returned in the LSB of the long integer value SEE ALSO TsXYvector TsActive TsScanState brdInit 110 eDisplay OP7200 4 7 RabbitNet Port The function calls described in this section are used to configure the OP7200 for use with RabbitNet peripheral boards The user s manual for the specific peripheral board you are using contains additional function calls related to the RabbitNet protocol and the individ ual peripheral board Add the following lines at the start of your program define RN MAX DEV 10 max number of devices define RN MAX DATA 16 max number of data bytes in any transaction define RN MAX PORT 1 max number of serial ports Set the following bits in RNSTATUSABORT to abort transmitting data after the status byte is returned This does not affect the status byte and still can be interpreted Set any bit com bination to abort bit 7 device busy is hard coded into driver bit 5 identifies router or slave bits 4 3 2 peripheral board specific bits bit 1 command rejected bit O watchdog timeout define RNSTATUSABORT 0x80 hard coded driver default to abort if the peripheral board is busy Provides rn_init with the serial port control information needed for OP7200 series controllers RETURN VALUE None Deactivates the OP7200 RabbitNet port as a clocked serial port and restores the RS 485 driver for RS 485 communication This call is also used by rn_init PARAMETERS po
33. e ADCAL SE ALL c Demonstrates how to recalibrate all single ended A D input chan nels for a given gain e ADCAL SE CH c Demonstrates how to recalibrate one single ended A D input chan nels to generate the calibration constants for that channel NOTE The above sample programs will overwrite the calibration constants set at the factory e ADRD DIFF_2v c Demonstrates how to read an A D input channel being used for a differential input with the input attenuator tied to the 2 V reference voltage e ADRD DIFF_GND c Demonstrates how to read an A D input channel being used for a differential input with the input attenuator tied to analog ground e ADRD MA CH c Demonstrates how to read an A D input channel being used to con vert analog current measurements using previously defined calibration constants for that channel e ADRD SE ALL c Demonstrates how to read all single ended A D input channels using previously defined calibration constants e ADRD SE _CH c Demonstrates how to read one single ended A D input channels using previously defined calibration constants 54 eDisplay OP7200 4 3 5 Graphic Display The following sample program is found in the LCD_BASIc subdirectory in SAMPLES OP7200 BUFFLOCK C Demonstrates how to improve LCD performance by using the g1BuffLock and g1Buf fUnlock functions e CONTRAST C Demonstrates how to adjust the contrast on the LCD PRIMITIVES c Demonstrates the primitiv
34. following connectors are used Signal 0 1 friction lock connectors Power 0 156 friction lock connectors RabbitNet RJ 45 connector e Display Keypad interface allows you to connect your own keypad with up to 64 keys and one character liquid crys tal display from 1 x 8 to 4 x 40 characters with or without backlight using standard 1 x 16 or 2 x 8 connectors The following connectors are used Signal 0 1 headers or sockets Power 0 156 friction lock connectors RabbitNet RJ 45 connector e Relay card 6 relays rated at 250 V AC 1200 V A or 100 V DC up to 240 W The following connectors are used Relay contacts screw terminal connectors Power 0 156 friction lock connectors RabbitNet RJ 45 connector Visit our Web site for up to date information about additional cards and features as they become available The Web site also has the latest revision of this user s manual 152 eDisplay OP7200 D 2 Physical Implementation There are four signaling functions associated with a RabbitNet connection From the mas ter s point of view the transmit function carries information and commands to the periph eral board The receive function is used to read back information sent to the master by the peripheral board A clock is used to synchronize data going between the two devices at high speed The master is the source of this clock A slave select SS function originates at the master and when detected by a peripheral board ca
35. input line gaincode is the gain code of 0 to 7 for both single ended and differential measurements Gain Code Macro Gain 0 GAIN X1 xl 1 GAIN _X2 x2 2 GAIN x4 x4 3 GAIN _X5 x5 4 GAIN_X8 x8 5 GAIN_ X10 x10 6 GAIN X16 x16 7 GAIN _X20 x20 RETURN VALUE A value corresponding to the voltage on the analog input channel which will be 0 2047 for 11 bit A D conversions signed 12th bit SEE ALSO anaInVolts anaInCalib brdInit anaInmAmps anaInDiff User s Manual 65 Calibrates the response of the A D converter channel as a linear function using the two conversion points provided Four values are calculated and placed into global table _adcCalib to be stored later into using the function anaInEEWr Each channel will have the following information a linear constant a voltage offset a calculation gain code used to calculate calibrations and a user gain code to set voltage range defaults to the calculation gain code PARAMETERS channel is the analog input channel number 0 to 7 corresponding to AINO AIN7 channel Single Ended Input Differential Input 0 AINO AINO AIN1 1 AIN1 2 AIN2 AIN2 AIN3 3 AIN3 4 AIN4 AIN4 AIN5 5 AIN5 6 AIN6 AIN6 AIN7 T AIN7 opmode is the mode of operation 0 SE MODE single ended input line 1 DIFF MODE differential input line 2 mAMP MODE 4 20 mA input line gainco
36. measurement of the touchscreen x y position A reference voltage is applied across the touchscreen When the touchscreen is touched resistances that represent the x y position are presented at the input circuit The touchscreen controller chip U9 converts these resistances into digital form for use by the software NOTE Should you touch two or more different points on the touchscreen simultaneously the resistance presented to the input circuit will represent some difference between the resistances corresponding to the points This can lead to a different or an unknown key s value being processed To prevent this from happening exercise care to touch only one point or position on the touchscreen at a time 3 4 5 Analog Supply Voltage The analog section is isolated from digital noise generated by other components by way of a low pass filter composed of L2 C31 and C32 as shown in the left side of Figure 14 The V analog power supply powers the A D converter chip V Vcc V R148 100 Q L2 ADC Chip a P8 Internal b Reference Voltage C31 C32 R i Sai E 100 nF 7100 nF To A D Converter Figure 14 Analog Supply and Voltage Reference Circuits User s Manual 31 3 4 6 A D Converter Reference Voltage V A reference voltage of 2 048 V is generated by the A D converter chip The reference volt age is used by the touchscreen controller chip and may also be used to bias the input attenuator
37. of the line y 0 is the y coordinate of one endpoint of the line X1 is the x coordinate of the other endpoint of the line y 1 is the y coordinate of the other endpoint of the line SEE ALSO glPlotDot glPlotPolygon glPlotCircle 80 eDisplay OP7200 Draws a rectangular block in the page buffer and on the LCD if the buffer is unlocked Any portion of the block that is outside the LCD display area will be clipped PARAMETER x is the x coordinate of the upper left corner of the block y is the y coordinate of the left top corner of the block bmWidth is the width of the block bmHeight is the height of the block SEE ALSO glFillScreen glBlankScreen glPlotPolygon glPlotCircle Plots the outline of a polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be clipped The function will also return doing nothing if there are less than 3 vertices PARAMETERS n is the number of vertices X1 is the x coordinate of the first vertex y1 is the y coordinate of the first vertex X2 is the x coordinate of the second vertex y2 is the y coordinate of the second vertex e e o coordinates of additional vertices SEE ALSO glPlotVPolygon glFillPolygon glFillVPolygon User s Manual 81 Draws a filled polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be c
38. single stage low pass filter which isolates the analog section from digital noise generated by the other components The ana log power voltage V powers the A D converter chip the touchscreen controller and the reference circuit The maximum current draw on V is less than 10 mA V is not acces sible to the user B 1 2 Grounds There are three grounds one digital ground on screw terminal headers J3 pin 12 and J10 pin 12 and an analog ground on screw terminal header J2 pin 12 The digital and ana log grounds share a single split ground plane on the printed circuit board Keeping the grounds separate isolates the noise of the digital section from the analog circuits provid ing for improved performance of the A D converter chip and the touchscreen controller The analog ground is connected at a single point to the digital ground by a single copper bridge to eliminate the possibility of ground loops Analog ground should be used as the return path for inputs connected to the A D converter chip via pins 4 11 of screw terminal header J2 B 1 3 RabbitNet Power Supplies There is no provision on the OP7200 to supply power to any RabbitNet peripheral cards that together with the OP7200 make up a RabbitNet LAN 140 eDisplay OP7200 B 2 Batteries and External Battery Connections The SRAM and the real time clock have battery backup Power to the SRAM and the real time clock VRAM on the OP7200 s RabbitCore module is provided by
39. system with RS 485 another Rabbit single board computer or OP7200 may be used as long as you use the master or slave sample program associated with that board The RS 485 connections between the slave and master devices are as follows e RS485 to RS485 e RS485 to RS485 e GND to GND User s Manual 53 MASTER C This program demonstrates a simple RS 485 transmission of lower case letters to a slave The slave will send back converted upper case letters back to the master OP7200 and display them in the STDIO window Use SLAVE C to program the slave e SLAVE C This program demonstrates a simple RS 485 transmission of lower case letters to a master OP7200 The slave will send back converted upper case letters back to the master OP7200 and display them in the STDIO window Use MASTER C to pro gram the master OP7200 4 3 4 A D Converter Inputs The following sample programs are found in the ADC subdirectory in SAMPLES OP7200 e ADCAL DIFF_2v c Demonstrates how to recalibrate an A D input channel being used for a differential input with the input attenuator tied to the 2 V reference voltage e ADCAL DIFF_GND c Demonstrates how to recalibrate an A D input channel being used for a differential input with the input attenuator tied to analog ground e ADCAL MA CH Cc Demonstrates how to recalibrate an A D input channel being used to convert analog current measurements to generate the calibration constants for that channel
40. the value The position of a keypress is indicated by a zero value in a bit position PARAMETER pcKeys is the address of the value read RETURN VALUE None SEE ALSO keyConfig keyGet keypadDef keyProcess 98 eDisplay OP7200 4 6 Touchscreen OP7200 only The GLTOUCHSCREEN LIB library in the TouchScreens directory allows the user to link adjacent pixel locations on the LCD to create a button The button can then be trans lated by the touchscreen when pressed When x and y coordinates on the display screen are specified x can range from 0 to 319 and y can range from 0 to 239 These numbers repre sent pixels from the top left corner of the display Initializes the GLTOUCHSCREEN LIB library must be called at power up before any other GLTOUCHSCREEN LIB library functions can be used This function allocates xmem SRAM for the storage of the button parameters PARAMETER MaxButtons is the number of buttons to initialize RETURN VALUE The unsigned long memory location of the BtnData area SEE ALSO btnCreateText btnCreateBitmap btnRecall btnStore btnDisplay btnDisplayLevel btnClear btnClearLevel btnAttributes btnMsgBox btnDisplayText btnClearRegion Stores the btnData structure in xmem SRAM This function is normally called by btnCreateText or by btnCreateBmp PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors BtnID is the button ID number of wherethe structure will be
41. two different sources depending on whether the main part of the OP7200 is powered or not When the OP7200 is powered normally and Vcc is within operating limits the SRAM and the real time clock are powered from Vcc If power to the board is lost or falls below 4 63 V the VRAM and real time clock power will come from the battery The reset generator circuit controls the source of power by way of its RESET output signal A replaceable 265 mA h lithium battery provides power to the real time clock and SRAM when external power is removed from the circuit board The drain on the battery is typically less than 10 uA when there is no external power applied to the OP7200 and so the expected shelf life of the battery is 265 mA h 10 nA 3 0 years The drain on the battery is typically less than 4 uA when external power is applied and so the expected battery in service life is 265 mA h 4 uA B 2 1 Replacing the Backup Battery 7 5 years The battery is user replaceable and is fitted in a battery holder To replace the battery lift up on the spring clip and slide out the old battery Use only a Panasonic BR2330 or equiv alent replacement battery and insert it into the battery holder with the side facing up NOTE The SRAM contents and the real time clock settings will be lost if the battery is replaced with no power applied to the OP7200 Exercise care if you replace the battery while external power is applied to the OP7200 CA
42. was not executed before executing digIn PARAMETER channel is the input channel number 0 18 or 0 15 RETURN VALUE The logic state of the input 0 or 1 SEE ALSO brdIinit digOut User s Manual 61 4 5 3 LEDs Turns LED DS1 Microprocessor Bad on or off NOTE Once the brdInit function executes then the Microprocessor Bad indicator is available for other use in the application PARAMETERS led is the LED to control 0 LED DS1 Microprocessor Bad indicator value is used to control whether the LED is on or off 0 OFF 1 ON SEE ALSO brdIinit 62 eDisplay OP7200 4 5 4 Serial Communication Library files included with Dynamic C provide a full range of serial communication sup port The RS232 LIB library provides a set of circular buffer based serial functions The PACKET LIB library provides packet based serial functions where packets can be delim ited by the 9th bit by transmission gaps or with user defined special characters Both libraries provide blocking functions which do not return until they are finished transmit ting or receiving and nonblocking functions which must be called repeatedly until they are finished For more information see the Dynamic C Function Reference Manual and Technical Note 213 Rabbit 2000 Serial Port Software If you are planning to use any of the RS 232 serial ports and the RabbitNet port on the OP7200 initialize the serial port s before you initialize the RabbitNet port
43. 0 Board User s PC Ethernet cables crossover l To additional cable network F Hub elements Direct Connection F network of 2 computers Direct Connection Using a Hub Figure 22 Ethernet Connections User s Manual 113 3 Apply Power Plug in the AC adapter The OP7200 is now ready to be used NOTE A hardware RESET is accomplished by unplugging the AC adapter then plug ging it back in or by momentarily grounding the board reset input at pin 5 on screw terminal header J10 When the PROG connector of the programming cable connects the OP7200 to your PC and Dynamic C is running a RESET occurs when you press lt Ctrl Y gt The green LNK light on the OP7200 RabbitCore module is on when the OP7200 is prop erly connected either to an Ethernet hub or to an active Ethernet card The orange ACT light flashes each time a packet is received 114 eDisplay OP7200 5 2 TCP IP Sample Programs We have provided a number of sample programs demonstrating various uses of TCP IP for networking embedded systems These programs require that you connect your PC and the OP7200 together on the same network This network can be a local private network pre ferred for initial experimentation and debugging or a connection via the Internet 5 2 1 How to Set IP Addresses in the Sample Programs
44. 0 installation ce eeeeeeeeee 13 sample programs 52 standard features 48 debugging s 48 StartINS sessirnar 13 telephone based technical SUPPOTt oo 4 49 upgrades and patches 49 USB port settings 1 0 0 0 13 E electrostatic precautions 121 EMI spectrum spreader feature 45 Ethernet cables 0 113 Ethernet connections 113 SLOPS secdsicisssenseiesrnehensetsoeds 113 Ethernet port 0 37 handling EMI and noise 37 PUDOUE vs ccssesicediveceieeeas eteeesed 37 F PEALUILES eisien 1 flash memory liefetime write cycles 47 using second 256K flash MEMOTY sssri 47 flash memory bank select 39 G grounding 0 eee 121 DEZEl esris 121 GND vs protective ground Peres Coe Tee 121 Metal casing 0 eee 121 H headers JP I coredscetiecdeseresoerstevsesddeites 35 l T O address assignments 137 installation guidelines 122 introduction oe eee eee 1 IP addresses how to set wees 115 how to set PC IP address 116 J jumper configurations 132 digital inputs 132 133 JP1 RS 485 bias and termina tion resistors 35 134 JP2 configure IN16 IN23 as digital inputs or outputs 132 jumper locations 132 User s Manual 161 K TextCursorLocation 87 power up TextGotoXyY oe 86 demonstration program 11 keypad TextMaxChars 93 programmin
45. 00 3 6 Memory 3 6 1 SRAM The OP7200 s RabbitCore module is designed to accept 128K to 512K of SRAM pack aged in an SOIC case The standard OP7200 s RabbitCore modules come with 128K of SRAM 3 6 2 Flash Memory The OP7200 is also designed to accept 128K to 512K of flash memory The standard OP7200 s RabbitCore modules comes with one 256K flash memory NOTE Rabbit recommends that any customer applications should not be constrained by the sector size of the flash memory since it may be necessary to change the sector size in the future A Flash Memory Bank Select jumper configuration option based on 0 Q surface mounted resistors exists at header JP2 on the RabbitCore module This option used in conjunction with some configuration macros allows Dynamic C to compile two different co resident programs for the upper and lower halves of the 256K program flash in such a way that both programs start at logical address 0000 This is useful for applications that require a resident download manager and a separate downloaded program See Technical Note 218 Implementing a Serial Download Manager for a 256K Flash for details User s Manual 39 3 7 Liquid Crystal Display Controller The LCD module controller chip provides support for the LCD module The controller chip is attached to the data bus on the OP7200 s RabbitCore module and is mapped to the I O address space This interface is composed of eight data bits one address line a
46. 00 The input circuit of the OP7200 was designed to use the differential mode in a unique way to support measuring voltages in an equal range above and below ground This method also requires you to move the 0 Q jumper see Figure 11 on the header associated with the A D converter inputs JP4 JP5 JP6 or JP7 from analog ground to the 2 048 V reference voltage The input is connected to the even numbered channel and the odd numbered channel is tied to analog ground Table 4 provides the bipolar voltage ranges for this setup Table 4 Bipolar Voltages Min Voltage Max Voltage Amplifier V V Gain mV per Tick 20 0 20 0 1 10 10 0 10 0 2 5 5 0 5 0 4 2 5 4 0 4 0 5 2 0 2 5 2 5 8 1 25 2 0 2 0 10 1 00 1 25 1 25 16 0 625 1 0 1 0 20 0 500 3 4 2 Analog Current Measurements The A D converter inputs can also be used with 4 20 mA current sources by measuring the resulting analog volt age drop across a 100 Q 1 precision resistor placed uaa between the analog input and analog ground as shown in 1090 Q Figure 13 AGND The single ended scale of 0 2 56 V with a gain of 8 is used to get an A D current conversion of 12 5 uA tick Figure 13 Resistor for 4 20 mA Current Sources User s Manual 27 3 4 3 Calibrating the A D Converter Chip Manufacturing tolerances for resistors bias currents offset voltages gain and the like introduce errors into
47. 1 indicates the status of the OP7200 Following reset DS1 will be ON and will remain ON until turned OFF by Dynamic C Once the microprocessor comes out of reset and finishes all its internal checks and initializes the system it should turn DS1 OFF The operation of DS1 may be redefined in any manner desired with the caveat that DS1 comes ON after reset The USR label on the dust cover refers to the LED at DS1 and reflects its secondary purpose as a user defined indicator 3 2 2 Buzzer An audible buzzer is turned on and off through the use of a programmed I O bit defined in software User s Manual 19 3 3 Digital I O 3 3 1 Digital Inputs The OP7200 has 19 digital inputs INO IN18 each of which is protected over a range of 36 V to 36 V The inputs are factory configured to be pulled up to 5 V but they can also be pulled down to 0 V in banks of eight by changing a surface mounted 0 Q resistor Figure 7 shows a sample digital input circuit All 19 inputs are protected against noise spikes by a low pass filter composed of a 22 kQ series resistor and a 10 nF capacitor Factory Default Vcc ie Rabbit 2000 TO nF EUC Figure 7 OP7200 Digital Inputs Pulled Up Factory Default OP7200 series boards can be made to order in volume with the banks of digital inputs pulled down to 0 V Contact your authorized Rabbit distributor or your Rabbit sales representative for more information For INO IN7 the act
48. 2 Tied to 2 048 V JP7 AIN6 AIN7 2 3 Tied to analog ground x 1 2 Based on A D converter chip x JP8 Analog Reference Voltage 2 3 Based on ratiometric or ext reference 1 2 VA16 not used xX JP9 LCD Controller I O bit VA16 23 VA16 used additional 64K video SRAM 1 2 Reserved for future use JP10 RabbitNet Master Slave Control 3 4 Reserved for future use n c OP7200 in master role x 1 2 JP11 LCD Oscillator 2 3 OSC 4 x 1 2 JP12 LCD Oscillator 2 3 OSC 4 x 1 2 Pulled up to Vcc JP13 Board ID Bit 0 LSB 2 3 Pulled down x User s Manual 133 Table A 2 OP7200 Jumper Configurations continued Header Description Pins Connected Pacoy Default 1 2 Pulled up to Vcc JP14 Board ID Bit 1 2 3 Pulled down x 1 2 Pulled up to Vcc JP15 Board ID Bit 2 2 3 Pulled down x 1 2 Pulled up to Vcc JP16 Board ID Bit 3 MSB 2 3 Pulled down x 1 2 Bias and termination resistors x 4 6 connected 18 RS 485 Bias and Termination Resistors 1 3 Bias and termination resistors not 56 connected parking position for jumpers R64 Pulled up to Vce x OUTO OUT7 R65 Pulled up to K R62 Pulled down IN15 on J10 4 x IN15 or Vcc on J10 4 R71 Vcc on J10 4 NOTE Jumper positions JP11 JP16 were introduced in January 2006 to accommodate a new LCD controller chip See Section 4 1 2 1 for additional information 134 eDis
49. 200 cSpdHi is a high speed repeat tick How many times to repeat after low speed repeat 0 None RETURN VALUE None SEE ALSO keyProcess keyGet keypadDef Scans and processes keypad data for key assignment debouncing press and release and repeat NOTE This function is also able to process an 8 x 8 matrix keypad RETURN VALUE None SEE ALSO keyConfig keyGet keypadDef Get next keypress RETURN VALUE The next keypress or 0 if none SEE ALSO keyConfig keyProcess keypadDef User s Manual 97 Configures the physical layout of the keypad with the desired ASCII return key codes Keypad physical mapping 3 x 4 where E represents the ENTER key represents Page Up represents Page Down D represents Scroll Down U represents Scroll Up L represents Scroll Left R represents Scroll Right S represents Space B represents Backspace Example Do the following for the above physical vs ASCII return key codes keyConfig 6 E 0 0 0 0 O keyConfig 3 0 0 0 0 O keyConfig 1 0 0 0 0 O keyConfig 8 D 0 0 0 0 O keyConfig 2 U 0 0 0 0 O keyConfig 5 L 0 0 0 0 O keyConfig 7 R 0 0 0 0 0 keyConfig 0 B 0 0 0 0 O keyConfig 4 S 0 0 0 0 O Characters are returned upon keypress with no repeat RETURN VALUE None SEE ALSO keyConfig keyGet keyProcess Writes 1 to each row and reads
50. 3 3 Senal Communication 35 lt 8 cso E ra a ioe iea a Backus dae Eeen aS Ta aas 53 4 ZIA A D Converter Inputs sinin ne a e a a R r a 54 43 3 Graphic Display eein ica a A a echt baal E A O alates 55 AS OK CY pad es eneen a e E E E E R E A E E S ESEE ES A eevee ay 55 4 3 1 Touchscreen OP 7200 On eneeier eriei e RE E A E AE AEE ETRAS 55 4 3 8 Using System Information from the RabbitCore Module 0 0 eee eee eseessecseeesecneceeeseensees 56 4 4 OP7200 E a E e Te A ek hots A acer hh E E niooaeel nk Santana Pace eek 57 4 3 OP7200 Function APIS roa nition Ame eee E ace ei E 58 4 51 Board Initialization 2254 Sac8 oh sites eee ik ee Oe i ee RS 58 45 2 Pieta VOOr irern re ce Saenz sc E E E ob San hia chev ban oa usdan eae E Seog nobus ba baat pes E es 59 ADS LEEDS sieseccestucecciosuscesteccsnsee EE EE E SE EEEE TET EE caste EEEO 62 4 5 4 Serial Communication 0 0 0scccceesescececcacuechccdesueessiccaveccttevsa teactheaveushestevscevecesdussneadendseseeseeteeeis 63 4 5 5 A D Converter Inputs OP7200 00l Y msnnen 65 4 5 6 Graphic Display Functions 2 0 0 0 cece cesses ceecesecesceseeeeceseeesecseecaecsaesaecsacsaecseseeseseseaecaeesaessaeeaeenees 75 ADE Keypad Funct OnSisics sees nia aee eaaa A TE EL EE a TA aE AE E a aean 96 4 6 Touchscreen OP 7200 Only rcs ocecidsscesvotnessds ddesneetingecdveestteustectsevatyeseatevsdvtvachdestapeyeenebevsevtveevtnecseneetisi ce 99 47 RabbitNets Port segna a ee seo E ana A A O E S 111 Chapter 5
51. 3 should be connected instead for video SRAM paging with I O bit VA16 OP7200 units sold after January 2006 have a new LCD controller chip because the previ ously used LCD controller chip is no longer available The new LCD controller chip has 32K of internal SRAM Figure 19 shows the area of the OP7200 that changed to accommo date the new LCD controller chip The new LCD controller is not 100 code compatible with the old chip Section 4 1 2 1 explains how to handle programs developed using versions of Dynamic C before v 9 40 PRE 2006 OP7200 CURRENT OP7200 ae O Gimi a a oD E m a oa rn ep So gS opp STE ep E Figure 19 How to Identify Pre 2006 OP7200 Boards 40 eDisplay OP7200 3 8 Keypad The OP7200 is equipped with a nine position keypad The keypad is attached to the front bezel with an adhesive backing and is connected through J16 to the OP7200 printed circuit board with a flex cable Only 7 of the 10 conductors in the cable are used at the present time The extra lines are reserved for an expanded keypad or LED indicators The interface to the keypad is t
52. 7 Bit 6 OUT6 Bit5 OUT5 Bit 4 OUT4 Bit3 OUT3 Bit 2 OUT2 Bit 1 OUTI Bit 0 OUTO To set the outputs set the corresponding bit to one of the following states 0 tristate operation disabled 1 tristate operation enabled EXAMPLE digTriStateConfig 0x02 OUT1 tristate is enabled Out0 OUT2 OUNT7 tristate are disabled SEE ALSO brdiInit digIn digOutConfig digOut digOutTriState 60 eDisplay OP7200 Sets the state of a digital output channel OUTO OUT7 This function is intended to control a given channel as a tristate output for example 0 Active low state GND potential 1 Active High state K potential 2 High Impedance state Since switching from one state to another has some software overhead the switching delay should be less than 1 us A run time error will occur for the following conditions 1 channel or state out of range 2 brdInit or digTriStateConfig was not executed before executing digOutTriState 3 Your tried to use a channel that is not configured as a tristate output PARAMETERS channel is the output channel number 0 7 state is set to one of the following output states 0 Active Low 1 Active High 2 High Impedance state SEE ALSO brdiInit digIn digOutConfig digOut triStateConfig Reads the state of an input channel INO IN18 for OP7200 INO IN15 for OP7210 A run time error will occur for the following conditions 1 channel out of range 2 brdInit
53. CALIB C NOTE In addition to loading the calibration constants on the replacement RabbitCore module you will also have to add the product information for the OP7200 to the ID block associated with the RabbitCore module The sample program WRITE _ IDBLOCK C available on the our Web site at www rabbit com support feature_ downloads shtml provides specific instructions and an example Two sample programs are available to show how to get information on ID and user blocks and how to clear the contents in the user block These sample programs are in the Dynamic C SAMPLES USERBLOCK folder e USERBLOCK INFO C This program reports on the size and capabilities of the ID and user blocks It will report the version of the ID block the size of the ID and user blocks the size of the user blocks reserved for calibration constants whether the ID or user blocks are mirrored and the total amount of flash memory used by the ID and user blocks e USERBLOCK CLEAR C This program clears the contents of the user block Note that it does not clear the calibration constants or the system ID block When you run this sample program in the Program Mode there is a 300 ms timer delay after each writeUserBlock call to allow Dynamic C and the OP7200 to exchange a debug packet in order to inform the debug kernel that the OP7200 is still alive The timer delay is not necessary in the Run Mode with nodebug or when single stepping 56 eDisplay OP7200
54. EFT e EN61000 4 6 Conducted Immunity Additional shielding or filtering may be required for a heavy industrial environment Emissions The OP7200 operator control panels meet the following emission standards emission stan dards with the Rabbit 2000 spectrum spreader turned on and set to the normal mode The spectrum spreader is only available with Rev C or higher of the Rabbit 2000 microproces sor This microprocessor is used on the OP7200 operator control panels that carry the CE mark e EN55022 1998 Class B e FCC Part 15 Class B Your results may vary depending on your application so additional shielding or filtering may be needed to maintain the Class B emission qualification 6 eDisplay OP7200 1 4 1 Design Guidelines Note the following requirements for incorporating the OP7200 operator control panels into your application to comply with CE requirements General The power supply provided with the Tool Kit is for development purposes only It is the customer s responsibility to provide a CE compliant power supply for the end product application When connecting the OP7200 to outdoor cables the customer is responsible for provid ing CE approved surge lightning protection Rabbit recommends placing digital I O or analog cables that are 3 m or longer in a metal conduit to assist in maintaining CE compliance and to conform to good cable design practices Rabbit also recommends using properly shielded I O cables in noi
55. FILE NAME LIB To start the Font and Bitmap Converter use the Windows Start gt Run menu or Windows Explorer to launch bmcnvtr exe from the root folder where Dynamic C is installed Click on Help in the Font and Bitmap Converter utility to get complete use information about the utility User s Manual 51 4 3 Sample Programs Sample programs are provided in the Dynamic C SAMPLES folder The sample program PONG c demonstrates the output to the STDIO window The various directories in the SAMPLES folder contain specific sample programs that illustrate the use of the correspond ing Dynamic C libraries The SAMPLES OP7200 folder provides sample programs specific to the OP7200 Each sample program has comments that describe the purpose and function of the program Fol low the instructions at the beginning of the sample program To run a sample program open it with the File menu if it is not still open then compile and run it by pressing F9 or by selecting Run in the Run menu The OP7200 must be in Program mode see Section 3 10 and must be connected to a PC using the programming cable as described in Section 2 3 More complete information on Dynamic C is provided in the Dynamic C User s Manual 4 3 1 General OP7200 Sample Programs The following sample programs are found in the SAMPLES OP7200 directory BOARD ID C Detects the model of the board you are using and displays the informa tion in the STDIO window e FUN c
56. I TAE EAE sab Lovech cal E AE E E A S E E EE E EA E E dts aes 19 DE EEDS es e a E E E E E E 19 92 2 BUZZ eR E E E re E 19 ee MTS AM D A T E E E E T E 20 33 1 Digital IMPUS sirenas an a i ae aie ib aE a E 20 332 Dita SOUPS os asee eeen cecncaces cus rra aE S EEES AE E OEE AERIENE PEENE E EAREN EEE rE ETE EROE REEERE 22 3 4 Analog Features OP7200 only cr eosicrnien eeir aain E ESEE a E EE 24 341 A D Converter Inputs enit eranen e ae ee a aaea Eni 24 3 4 2 Analog Current Measurements ccesceesceeseceencecseeesseeeecesseeeseecaeecaeeeneeseneeceeeeneceeessaeeeeeeee 27 3 4 3 Calibrating the A D Converter Chip iisessiesrersirisesoisenosseestsureisesesrtsisserorkipiruese une csuos iven urenseie 28 eP e A VOETE oO n ETA EEE EEE EEEE AET 31 34 3 Analog Supply Voltages ei e a e a a a E ERa A Ta E oii 31 3 4 6 A D Converter Reference Voltage V c ccccccssessesseceseeesceseeecesceeeeeeeseeeseeseeeaecaeecaeenseeaeensenaees 32 3 5 Serial COMMUNICATION 25s 05552565555 gs decal iaa a ea eini e i aiaiai 33 Deals IRS 2 ID eu E E E E AE E E E EEE AEE E EAE A O 34 Beis RS ASS ea E E a feta cerastenan aa natereeniesicae 34 3 5 3 RabbitNet Port c ccccccessscecessecessceeesseceseaeeceseececsscecseaeeeceseececesecesaeesseseeeseesesesaeesnseeeesereseenes 36 324 Ethernet Pott ec cceic cs ccccs veces lace basabsedvs eeu dide E Se EES Sra E e TSERE 37 3 3 3 Programming Potters E E E E nE E EEEE EA E EASE serine 38 30 MEMONY ci oneee oa ea oE E E
57. Most of the sample programs such as shown in the example below use macros to define the IP address assigned to the board and the IP address of the gateway if there is a gateway define MY IP ADDRESS 10 10 6 170 define MY NETMASK 255 255 255 0 define MY GATEWAY 10 10 6 1 define MY NAMESERVER 10 10 6 1 In order to do a direct connection the following IP addresses can be used for the OP7200 define MY IP ADDRESS 10 1 1 2 define MY NETMASK 255 255 255 0 define MY GATEWAY 10 10 6 1 define MY NAMESERVER 10 10 6 1 In this case the gateway and nameserver are not used and are commented out The IP address of the board is defined to be 10 1 1 2 The IP address of you PC can be defined as 10 1 1 1 IP Addresses After Dynamic C 7 30 With the introduction of Dynamic C 7 30 we have taken steps to make it easier to run many of our sample programs Instead of the My_IP_ADDRESS and other macros you will see a TCPCONFIG macro This macro tells Dynamic C to select your configuration from a list of default configurations You will have three choices when you encounter a sample program with the TCPCONFIG macro 1 You can replace the TCPCONFIG macro with individual My IP ADDRESS MY NETMASK MY GATEWAY and MY NAMESERVER macros in each program 2 You can leave TCPCONFIG at the usual default of 1 which will set the IP configurations to 10 10 6 100 the netmask to 255 255 255 0 and the nameserver and gateway to 10 10 6 1
58. O window indicating that the board is receiving the characters typed via TCP IP 118 eDisplay OP7200 5 3 Where Do Go From Here NOTE If you purchased your OP7200 through a distributor or Rabbit partner contact the distributor or partner first for technical support If there are any problems at this point e Use the Dynamic C Help menu to get further assistance with Dynamic C e Check the Rabbit Technical Bulletin Board and forums at www rabbit com support bb and at www rabbit com forums e Use the Technical Support e mail form at www rabbit com support If the sample programs ran fine you are now ready to go on Additional sample programs are described in the Dynamic C TCP IP User s Manual Refer to the Dynamic C TCP IP User s Manual to develop your own applications An Introduction to TCP IP provides background information on TCP IP and is available on our Web site User s Manual 119 120 eDisplay OP7200 6 INSTALLATION MOUNTING AND CARE GUIDELINES Chapter 6 describes some considerations for mounting the OP7200 in a panel and includes detailed mounting instructions protective grounding instructions and care guidelines for clean ing the screen overlay 6 1 Grounding CAUTION Many of the OP7200 ICs are sensitive to static Use extra caution when han dling units in high static areas To meet electromagnetic compatibility requirements and in particular to prevent misoper ation or damage f
59. OURCES Enable Source Output 5 1 0 1001 0 SOURCES Disable Source Output 5 1 0 1110 1 SOURCE6 Enable Source Output 6 1 0 1110 0 SOURCE6 Disable Source Output 6 1 0 1111 1 SOURCE7 Enable Source Output 7 1 0 1111 0 SOURCE7 Disable Source Output 7 0 1 0000 1 KB SO Assert Keypad Scan Line SO 0 1 0000 0 KB SO Deassert Keypad Scan Line SO 0 1 0001 1 KB S1 Assert Keypad Scan Line S1 0 1 0001 0 KB S1 Deassert Keypad Scan Line S1 0 1 0010 1 KB S2 Assert Keypad Scan Line S2 0 1 0010 0 KB S2 Deassert Keypad Scan Line S2 0 1 0011 1 KB S3 Assert Keypad Scan Line S3 0 1 0011 0 KB S3 Deassert Keypad Scan Line S3 0 1 0100 1 BKLI ON Turn On the LCDM Backlight 0 1 0100 0 BKLI ON Turn Off the LCDM Backlight 0 1 0101 1 RS485 EN Enable the 485 Transmitter 0 1 0101 0 RS485 EN Disable the 485 Transmitter 0 1 0110 1 ALARM Turn On the Buzzer 0 1 0110 0 ALARM Turn Off the Buzzer 0 1 0111 1 VA16 Assert the VA16 Address Line RabbitNet CS 0 1 0111 0 VA16 Deassert the VA16 Address Line RabbitNet CS 0 1 1000 1 ICS Assert X9015 Chip Select 0 1 1000 0 ICS Deassert X9015 Chip Select 0 1 1001 1 U_D Set X9015 to Count Up 0 1 1001 0 U_D Set X9015 to Count Down 0 1 1010 a INC Increment the X9015 Counter 0 1 1011 r NA Reserved 0 1 1100 NA Reserved 0 1 1101 NA Reserved 0 1 1110 NA Reserved 0 1 1111 NA Reserved User s Manual 43 3 10 Programming Cable The programming cable is used to connect the programming p
60. Started Instructions Demo Board Figure 1 OP7200 Tool Kit User s Manual 1 2 2 Software The OP7200 is programmed using version 7 30 or later of Rabbit s Dynamic C A compat ible version is included on the Tool Kit CD ROM Dynamic C v 9 60 includes the popular uC OS II real time operating system point to point protocol PPP FAT file system Rabbit Web and other select libraries that were previously sold as individual Dynamic C modules Rabbit also offers for purchase the Rabbit Embedded Security Pack featuring the Secure Sockets Layer SSL and a specific Advanced Encryption Standard AES library In addi tion to the Web based technical support included at no extra charge a one year telephone based technical support subscription is also available for purchase Visit our Web site at www rabbit com for further information and complete documentation or contact your Rabbit sales representative or authorized distributor 4 eDisplay OP7200 1 3 RabbitNet Peripheral Cards RabbitNet is an SPI serial protocol that uses a robust RS 422 differential signalling inter face twisted pair differential signaling to run at a fast 1 Megabit per second serial rate The OP7200 has one RabbitNet port which can support one peripheral card Distances between a master processor unit and peripheral cards can be up to 10 m or 33 ft The following low cost peripheral cards are currently available e Digital I O e A D converter
61. T line will be high This turns on Q2 caus ing its collector to go low This turns on Q5 allowing VRAM to nearly equal Vcc When the OP7200 is in reset the RES_OUT line will go low This turns off Q2 and Q5 providing an isolation between Vcc and VRAM B 2 5 Reset Generator The OP7200 s RabbitCore module uses a reset generator on the module U1 to reset the Rabbit 2000 microprocessor when the voltage drops below the voltage necessary for reli able operation The reset occurs between 4 50 V and 4 75 V typically 4 63 V 144 eDisplay OP7200 B 3 Chip Select Circuit Figure B 5 shows a schematic of the chip select circuit on the OP7200 s RabbitCore module VRAM A R28 100 kQ CSRAM Q4 ICS1 hg Q3 VRAM an SWITCH Figure B 5 Chip Select Circuit RES_OUT The current drain on the battery in a battery backed circuit must be kept at a minimum When the OP7200 is not powered the battery keeps the SRAM memory contents and the real time clock RTC going The SRAM has a powerdown mode that greatly reduces power consumption This powerdown mode is activated by raising the chip select CS signal line Normally the SRAM requires Vcc to operate However only 2 V is required for data retention in powerdown mode Thus when power is removed from the circuit the battery voltage needs to be provided to both the SRAM power pin and to the CS signal line The CS control circuit accom
62. UTION There is an explosion danger if the battery is short circuited recharged or replaced incorrectly Replace the battery only with the same type or an equivalent A type recommended by the battery manufacturer Dispose of used batteries according to the battery manufacturer s instructions User s Manual 141 B 2 2 External Battery As an alternative to preserving the SRAM contents and the real time clock settings while changing the backup battery you may connect an external battery temporarily at header J7 The pins on header J7 have ground on the ends and positive in the center to allow the external battery to be connected without the potential of reversing its polarity Connect the positive terminal of the external battery to pin 2 and the negative terminal to either pin 1 or pin 3 of header J7 The onboard battery does not have to be removed as it is protected against overvoltage by resistors R80 R81 By having both batteries connected either can be replaced from time to time without losing the data stored in the SRAM and the real time clock The external battery should be no more than 6 3 V J T 1 Si D11 Rg1 3 p VBAT ja 1kQ J10 ZSOVOIVSVSUEY Figure B 2 OP7200 External Battery Connections 142 eDisplay OP7200 B 2 3 Batt
63. Up A program can be run in either mode but can only be downloaded and debugged when the OP7200 is in the Program Mode Refer to the Rabbit 2000 Microprocessor User s Manual for more information on the pro gramming port and the programming cable 44 eDisplay OP7200 3 11 Other Hardware 3 11 1 Spectrum Spreader OP7200 operator control panels that carry the CE mark on their RabbitCore module have a Rabbit 2000 microprocessor that features a spectrum spreader which helps to mitigate EMI problems By default the spectrum spreader is on automatically for OP7200 operator control panels that carry the CE mark when used with Dynamic C 7 30 or later versions but the spectrum spreader may also be turned off or set to a stronger setting The means for doing so is through a simple global macro as shown below 1 Select the Defines tab from the Dynamic C Options gt Project Options menu 2 Normal spreading is the default and usually no entry is needed If you need to specify normal spreading add the line ENABLE _SPREADER 1 For strong spreading add the line ENABLE_SPREADER 2 To disable the spectrum spreader add the line ENABLE_SPREADER 0 NOTE The strong spectrum spreading setting is not needed for the OP7200 3 Click OK to save the macro The spectrum spreader will now remain off whenever you are in the project file where you defined the macro There is no spectrum spreader functionality for OP7200 operator control panels t
64. Using the TCP IP Features 113 5 1 TCP IP Connections eneeier ree nace seen ancl dev eRe o E Er TEREE I TEAR e tE er Re eVi erns 113 3 2 TEP IP Sample Programs meneren A e e a a E a ae aa Aa E A E R 115 5 2 1 How to Set IP Addresses in the Sample Programs essseessseeresseeeessreerrrsseerrsrerssreererrnrersse 115 5 2 2 How to Set Up Your Computer for Direct Connect cecceesccescecesecenceceeeececeeneeeeeeesaeceneeeses 116 32 3 RUN the PINGME C DeM O ee tee ies ne ae eRe hei EE 117 5 2 4 Running More Demo Programs With a Direct Connection sssessesssessesssesserresrseeserrereserseeesee 118 5 3 Where DoT Go From Here Te isere eener ar ene aei A EEEE ASEE E E OEA TEESE EE SEEE E 119 Chapter 6 Installation Mounting and Care Guidelines 121 GA Groundin i s n A E A A E ages A A A E A E E E aarab tents 121 6 2 Installation Guideliness irni eerie orire atei ea ari iee e reese t Sin Eiee k i eenaa 122 6 3 Mounting ISwUCHONS s reer aenieei a a a e SE EEE E Eo EK a N ea Nienie eae 123 6 3 1 Bezel Mount Installation 2 00 00 ccccceccesccsesseeceececessseecnesececeeeeeeseeecesaeceseeeeceseeseseaeecseeeeesneeeneaee 123 04 Care GU dee Sr E E E A EEKE Te EEE E ES EE A E 125 Appendix A Specifications 127 A 1 Electrical and Mechanical Specifications sesseesseeeseessseesesesrsseeesrestsrssrsresreresreserrrsrerrsrentesrneeees 128 ALA Physical Mounting 4 s00 cine tictah i iok rane heath oa ea aa 130 A 2 Conformal Coati Peien
65. aaraa Ena E a Ta ei Tea E a aS EOE Ea Ta a 131 A3 J mp r COMMPULATIONS haerens ea aE E s a EE E E EAE E N 132 A 4 Use of Rabbit 2000 Parallel Ports 0onneneeseneoseeeeesseeeeseseeseeesetesseeessersssereeeeesseeesssessseeserrssreeseeeesse 135 AS NVO Address Assignments anientat nena E ee A EEE ATOE as ee ede 137 eDisplay OP7200 Appendix B Power Supply 139 Bel PowersSupplyes skoone e re n a ae E NE d sb esten aR SESE S T e Eae N ik 139 B 1 1 Power for Analog Circuits eee cseeecseessececesecnecescesecesceseceeeseseasesaseaecaaecaecsaesaecneeeasentees 140 Bid 2 ETAn i T FANE N EE uct uavesouskatocbows E E E A 140 B 1 3 RabbitNet Power Supplies esios oseere ee ieoa e a e oe e e E E 140 B 2 Batteries and External Battery Connections essessesssssresesrestereereerereetssreresterestesrersrerrnsreresrsresesree 141 B 2 1 Replacing the Backup Batterye nonini A E E EE EE AEE E i 141 B 2 2 Extemal Battery ierra e er E EEEE E E TE EEEE TAE E EEEE 142 B23 Battery Backup CiCuit snene ene N R EE E E S E E ESR ESS 143 B 2 4 Power to VRAM Switcheri en eor ere ir ere E rE E E eE E eiet Krr rritni reek 144 B29 Reset Generator vecgessceresverdcuvicssneceushessdeccossets a a a e e a eaen 144 B3 CHp Select Oirete A SN EE EEEE TET a E AE EEE R Ns 145 Appendix C Demonstration Board Connections 147 C 1 Connecting Demonstration Board essessesssessesreseseesrstssrrrssrerssreresreestestettnretstentesretestsserteseeresreet 147 A
66. ailable for custom orders involving nominal lead times Contact your Rabbit sales representative or authorized distributor for more information Throughout this manual the term OP7200 refers to the complete series of OP7200 opera tor interfaces unless other production models are referred to specifically Appendix A provides detailed specifications Visit our Web site for up to date information about additional add ons and features as they become available The Web site also has the latest revision of this user s manual eDisplay OP7200 1 2 Development and Evaluation Tools 1 2 1 Tool Kit A Tool Kit contains the hardware essentials you will need to use your OP7200 The items in the Tool Kit and their use are as follows OP7200 Getting Started instructions Dynamic C CD ROM with complete product documentation on disk Programming cable used to connect your PC serial port to the OP7200 Universal AC adapter 12 V DC 1 A includes Canada Japan U S Australia N Z U K and European style plugs Demonstration Board with pushbutton switches and LEDs The Demonstration Board can be hooked up to the OP7200 to demonstrate the I O Wire assembly to connect Demonstration Board to OP7200 Screwdriver Rabbit 2000 Processor Easy Reference poster Registration card AC Adapter with Plugs Screwdriver Demo Board Wire Getting
67. al Converter in Serial Options on the Communi cations tab Click OK to save the settings Dynamic C assumes by default that you are using serial port COM1 on your PC when you are running a program If you are using COM1 then Dynamic C should detect the OP7200 and go through a sequence of steps to cold boot the OP7200 and to compile the BIOS If the error message Rabbit Processor Not Detected appears you have probably connected to a different PC serial port such as COM2 COM3 or COM4 You can change the serial port used by Dynamic C with the OPTIONS menu then try to get Dynamic C to recognize the OP7200 by selecting Reset Target Compile BIOS on the Compile menu or by pressing lt Ctrl Y gt Try the different COM ports in the OPTIONS menu until you find the one you are connected to If you still can t get Dynamic C to recognize the target on any port then the hookup may be wrong or the COM port might not working on your PC If you receive the BIOS successfully compiled message after pressing lt Ctrl Y gt or starting Dynamic C and this message is followed by a communications error message it is possible that your PC cannot handle the 115 200 bps baud rate Try changing the baud rate to 57 600 bps as follows e Locate the Serial Options dialog in the Dynamic C Options gt Communications menu Change the baud rate to 57 600 bps User s Manual 13 2 6 PONG C You are now ready to test your set up by running
68. al mounting 130 relative pin 1 locations 130 spectrum spreader 45 subsystems 00 eeeeeeeeeeeeeeeeee 17 T TCP IP connections 113 10Base T Ethernet card 113 additional resources 119 Ethernet hub 113 Steps nran 113 Tool Kit oein chebe Gieniiesssseech ences 3 AC adapter oo eee 3 DC power supply 3 Dynamic C software 3 programming cable 3 SOFTWATE piis 3 User s Manual eee 3 wire assembly ee 3 touchscreen function calls btnAttributes 0 0 0 0 106 btnClear naiiai 105 btnClearLevel 105 btnClearRegion 103 btnCreateBitmap 102 btnCreateText 0 0 00 101 btnDisplay 0 0 104 btnDisplayLevel 105 btnDisplayText 103 pPnGet arena 107 btnInit omnii isien 99 btnMsgBox nosses 104 btnRecall wee 100 btnSearchXY 106 btnStore oe eee eeeeeeee 99 btnVerifyXY oe 107 TSACTIVE ooo eeeeeteeeeeeeeee 109 TSC ahi ssri 108 TsCalibEERG 108 TsCalibEEWT 108 TsScanState wo 109 TsXYBuffer 110 TsXYvector cee 109 touchscreen operation 31 U USB serial port converter 12 Dynamic C settings 13 User s Manual 163 164 eDisplay OP7200 SCHEMATICS 090 0120 RCM2200 Schematic www rabbit com documentation schemat 090 0120 pdf 090 0138 OP7200 Schematic www rabbit co
69. ap Checks the LCD screen locking counter The contents of the LCD buffer are transferred to the LCD if the counter is zero SEE ALSO glBuffLock glBuffUnlock 78 eDisplay OP7200 Fills the LCD display screen with a pattern PARAMETER pattern OxFF all black 0x00 all white anything else vertical stripes SEE ALSO glBlock glBlankScreen glPlotPolygon glPlotCircle Blanks sets to white the LCD display screen SEE ALSO glFillScreen glBlock glPlotPolygon glPlotCircle Sets the drawing method or color of pixels drawn by subsequent graphics calls PARAMETER type is the value can be one of the following macros PIXBLACK draws black pixels PIXWHITE draws white pixels PIXXOR draws old pixel XOR ed with the new pixel SEE ALSO g1lGetBrushType User s Manual 79 Gets the current method or color of pixels drawn by subsequent graphics calls RETURN VALUE The current brush type SEE ALSO glSetBrushType Draws a single pixel in the LCD buffer and on the LCD if the buffer is unlocked If the coordinates are outside the LCD display area the dot will not be plotted PARAMETERS x is the x coordinate of the dot y is the y coordinate of the dot SEE ALSO glPlotline glPlotPolygon glPlotCircle Draws a line in the LCD buffer and on the LCD if the buffer is unlocked Any portion of the line that is beyond the LCD display area will be clipped PARAMETERS x0 is the x coordinate of one endpoint
70. ay OP7200 Reads the current x y coordinates of the touchscreen PARAMETERS xkey is a pointer to the x coordinate ykey is a pointer to the y coordinate mode is the mode of operation 0 RAW_MODE raw mode returns touchscreen x y coordinate s true raw data value 1 CAL_MODE calibration mode returns touchscreen x y coordinates as normalized data values to match the LCD display resolution SEE ALSO TsActive TsScanState TsXYBuffer brdInit This function returns the status of whether the touchscreen is being pressed or touched RETURN VALUE 0 touchscreen is not being pressed 1 touchscreen is being pressed SEE ALSO TsXYvector TsScanState TsxXYBuffer brdInit This function processes the current state of the touchscreen The results can then be read with the TsXYBuf fer function which will return one of the following 1 The current x y location of where the touchscreen is being pressed 2 A value indicating that the touchscreen press has ended 3 A value of 1 to indicate no activity has occurred NOTE When this function is called the information should be processed before calling this function again to avoid losing the information SEE ALSO TsXYvector TsActive TsXYBuffer brdInit User s Manual 109 This function returns either the x y coordinates or the touchscreen BTN RELEASE status code that was processed by the TsScanState function RETURN VALUE The x coordinate is returned in the MSB and the y
71. bled 1 real time mode enabled SEE ALSO glPlotDot GRAPHIC LIB Turns the backlight on or off The backlight is off by default when the OP7200 powers up PARAMETER 0 backlight off 1 backlight on SEE ALSO glSetContrast 94 eDisplay OP7200 Sets the LCD display contrast PARAMETER contrast represents the contrast level 0 to 31 for low to high contrast with a typical setting of 20 SEE ALSO glBacklight This function is not supported at the present time User s Manual 95 4 5 7 Keypad Functions The KEYPAD9 LIB library in the Keypads directory provides function calls to keypad menus for the OP7200 keypad Initializes keypad process Assigns each key with key press and release codes and hold and repeat ticks for auto repeat and debouncing PARAMETERS cRaw is a raw key code index 3 x 4 keypad matrix with raw key code index assignments in brackets User Keypad Interface cPress is a key press code An 8 bit value is returned when a key is pressed 0 Unused See keypadDef for default press codes cRelease is a key release code An 8 bit value is returned when a key is pressed 0 Unused cCntHold is a hold tick How long to hold before repeating 0 No Repeat cSpdLo is a low speed repeat tick How many times to repeat 0 None cCntLo is a low speed hold tick How long to hold before going to high speed repeat 0 Slow Only 96 eDisplay OP7
72. board the master to another the slave using the Rabbit Cloning Board Alternate Uses of the Serial Programming Port All three clocked Serial Port A signals are available as e asynchronous serial port e an asynchronous serial port with the clock line usable as a general CMOS input The serial programming port may also be used as a serial port via the DIAG connector on the serial programming cable In addition to Serial Port A the Rabbit 2000 startup mode SMODEO SMODE 1 status and reset pins are available on the serial programming port The two startup mode pins determine what happens after a reset the Rabbit 2000 is either cold booted or the program begins executing at address 0x0000 The status pin is used by Dynamic C to determine whether a Rabbit microprocessor is present The status output has three different programmable functions 1 It can be driven low on the first op code fetch cycle 2 It can be driven low during an interrupt acknowledge cycle 3 It can also serve as a general purpose CMOS output The RESET_IN pin is an external input that is used to reset the Rabbit 2000 and the onboard peripheral circuits on the RabbitCore module The serial programming port can be used to force a hard reset on the RabbitCore module by asserting the RESET_IN signal The green Power Good LED goes off momentarily during a reset Refer to the Rabbit 2000 Microprocessor User s Manual for more information 38 eDisplay OP72
73. chase NOTE Dynamic C RabbitSys cannot be used with the OP7200 User s Manual 49 4 1 2 Accessing and Downloading Dynamic C Libraries The libraries needed to run the OP7200 are available on the CD included with the Devel opment Kit Upgrades may be downloaded from www rabbit com support downloads on our Web site You may need to download upgraded or additional libraries to run selected RabbitNet peripheral boards or to use an OP7200 purchased after January 2006 with a Dynamic C release prior to v 9 40 When downloading the libraries from the Web site click on the product specific links until you reach the links for the OP7200 download you require You will be able to either run the download directly from the Web site or you may choose to save it to run later Once you run the download InstallShield will install the additional or upgraded software A readme file associated with the installation will then guide you to add to replace or edit Dynamic C libraries or sample programs You will be able to use the revamped Dynamic C installation with the OP7200 and you will continue to be able to use this upgraded installation with all the other Rabbit products you were able to use before 4 1 2 1 New LCD Controller Chip OP7200 units sold after January 2006 have anew LCD controller chip because the pre viously used LCD controller chip is no longer available The new LCD controller is not 100 code compatible with the old chip a
74. circuits when bipolar inputs are to be measured As shown in Figure 14 the factory default is for a surface mounted 0 Q resistor to connect pins 1 2 on header JP8 This enables the internal reference voltage of 2 048 V generated by the A D converter chip By connecting pins 2 3 on header JP8 instead a ratiometric reference can be provided by the divider consisting of R148 and R150 A fixed reference can be configured by remov ing R150 and installing a zener diode at U12 The zener diode will then set the reference voltage C91 would be always installed and provides filtering None of these components R148 R150 C91 or U12 is factory installed 32 eDisplay OP7200 3 5 Serial Communication The OP7200 has two RS 232 serial ports which can be configured as one RS 232 serial channel with RTS CTS or as two RS 232 3 wire channels using the serMode software function call Table 5 summarizes the options Table 5 Serial Communication Configurations Software Serial Port Mode B c D 0 RS 485 RS 232 3 wire RS 232 3 wire 1 RS 485 RS 232 5 wire CTS RTS 2 not initialized RS 232 3 wire RS 232 3 wire 3 not initialized RS 232 5 wire CTS RTS Use modes 2 and 3 when Serial Port B is going to used by other libraries such as PACKET LIB The OP7200 also has one RS 485 serial channel and a CMOS serial channel that serves as the programming port When you are using the OP7200 in a RabbitNe
75. crew fully before moving on to the next screw Apply only one or two turns to each screw in sequence until all are tightened manually as far as they can be so that the gasket is compressed by the bezel faceplate 124 eDisplay OP7200 6 4 Care Guidelines If it becomes necessary to clean the screen overlay use a mild detergent then rinse with lukewarm water using a clean sponge or a soft cloth Dry thoroughly with a chamois or a moist cellulose sponge to prevent water spots Do not use abrasives which will scratch the hard coating on the overlay Fresh paint splashes grease and smeared glazing compounds can be removed by rubbing gently with a grade of VM amp P naphta Windex or isopropyl alcohol Never use gasoline acetone carbon tetrachloride or highly alkaline cleaners Rinse afterwards with lukewarm water as described above Cleaning is not recommended when the OP7200 is exposed to the hot sun or elevated tem peratures User s Manual 125 126 eDisplay OP7200 APPENDIX A SPECIFICATIONS Appendix A provides the specifications for the OP7200 User s Manual 127 A 1 Electrical and Mechanical Specifications Figure A 1 shows the mechanical dimensions for the OP7200 5 67 144 y 43 Le oes 67 16 17 1 93 0 67 49 17 p 4 33 110 Figure A 1 OP7200 Dimensions NOTE All measurements are in inches followed by millimeters enclosed in parent
76. cter that is outside the LCD display area will be clipped PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap width is the width of the bitmap height is the height of the bitmap xmemptr is the address of the bitmap in xmem SEE ALSO glXPutBitmap glPrintf Initializes the window frame structure with the border and title information The TextWindowFrame function must be executed before running this function PARAMETERS WindowFrame is a pointer to the window frame descriptor border is the border style SINGLE LINE single line border around the text window DOUBLE LINE double line border around the text window title is a pointer to the title 1 If a NULL string is detected then no title is written to the text menu 2 If a string is detected then it will be written to the top of the text menu box as the centered title SEE ALSO TextBorder TextGotoXY TextPutChar TextWindowFrame TextCursorLocation Displays the border for a given window frame The TextBorderInit function must be executed before running this function This function will automatically adjust the text window parameters to accommodate the space taken by the text border This adjustment will only occur once after the TextBorderInit function executes PARAMETER wPtr is a pointer to the window frame descriptor SEE ALSO TextBorderInit TextGotoXY TextPutChar TextWindowFrame TextCurso
77. d values All read routines will work properly with these factory ini tialized calibration constants but only the single ended mode should be expected to return accurate results over a range of 0 20 V until you recalibrate the OP7200 for your use Sample programs are provided to illustrate how to read and calibrate the various A D inputs for the three operating modes Mode Read Calibrate Single Ended one channel ADRD SE CH C ADCAL SE CH C Single Ended all channels ADRD SE ALL C ADCAL SE ALL C Milli Amp ADRD MA CH C ADCAL MA CH C Differential analog ground ADRD DIFF GND C ADCAL DIFF GND C Differential 2 V reference ADRD DIFF 2V C ADCAL DIFF 2V C These sample programs are found in the ADC subdirectory in SAMPLES OP7200 See Section 4 3 Sample Programs for more information on these sample programs and how to use them 30 eDisplay OP7200 3 4 4 Touchscreen The OP7200 analog touchscreen provides a high resolution matrix of 4096 x 4096 elements The touchscreen is mounted to the front of and is the same size as the LCD mod ule A four conductor flex cable connects the touchscreen to the OP7200 at connector J13 The inputs from the touchscreen are protected from ESD by ferrite beads capacitors and shunt diodes The ferrite beads and capacitors also serve to eliminate EMI radiating from the cable Ferrite beads rather than resistors are used in series with the inputs to maintain the most accurate
78. dditional exam ples of how to read and set the real time clock User s Manual 15 16 eDisplay OP7200 3 SUBSYSTEMS Chapter 3 describes the principal subsystems for the OP7200 e Digital I O e Analog Features OP7200 only e Serial Communication e Memory e Liquid Crystal Display Controller e Keypad e OP7200 CPLD Figure 5 shows these Rabbit based subsystems designed into the OP7200 Digital Output AID Converter P screen Interface to RabbitCore Module Controller LCD Keypad Figure 5 OP7200 Subsystems The memory and microprocessor are located on the RabbitCore module The RCM2200 module is used on the OP7200 If you have more than one OP7200 or other Rabbit products built around RabbitCore modules take care not to swap the RabbitCore modules since they contain system ID block information and calibration constants that are unique to the board they were originally installed on It is a good idea to save the calibration constants should you need to replace a RabbitCore module in the future See Section 4 3 8 Using System Information from the RabbitCore Module for more information User s Manual 17 3 1 OP7200 Pinouts The OP7200 pinouts are shown in Figure 6 J2 J3 GND OUT7 OUT6 OUTS
79. de is the gain code of 0 to 7 for both single ended and differential measurements Gain Code Macro Gain 0 GAIN X1 xl 1 GAIN _X2 x2 2 GAIN _X4 x4 3 GAIN _X5 x5 4 GAIN_X8 x8 5 GAIN _ X10 x10 6 GAIN _X16 x16 7 GAIN_ X20 x20 66 eDisplay OP7200 valuel is the first A D converter channel value 0 2047 volts1 is the voltage or current corresponding to the first A D converter channel value valuez2 is the second A D converter channel value 0 2047 voltsz2 is the voltage or current corresponding to the first A D converter channel value RETURN VALUE 0 if successful 1 if not able to make calibration constants SEE ALSO anaIn anaInVolts brdInit anaInmAmps anaInDiff anaInEERd anaInEEWr User s Manual 67 Reads the state of a single ended analog input channel and uses the previously set calibration constants to convert the reading to volts PARAMETERS channel is the analog input channel number 0 to 7 corresponding to AINO AIN7 channel Single Ended Input 0 AINO AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 NED nm Bl Wl w e gaincode is the gain code of 0 to 7 for both single ended and differential measurements Gain Code Macro Gain Rane 0 GAIN X1 xl 0 20 V 1 GAIN X2 x2 0 10 V 2 GAIN X4 x4 0 5 V 3 GAIN X5 x5 04 V 4 GAIN X8 x8 0 2 5 V 5 GAIN X10 x10 0 2 V 6 GAIN X16 x16 0 1 25 V
80. de libraries and augment on line help by creating function description block comments using a special format for library functions e Standard debugging features gt Breakpoints Set breakpoints that can disable interrupts gt Single stepping Step into or over functions at a source or machine code level uC OS II aware gt Code disassembly The disassembly window displays addresses opcodes mnemonics and machine cycle times Switch between debugging at machine code level and source code level by simply opening or closing the disassembly window gt Watch expressions Watch expressions are compiled when defined so complex expressions including function calls may be placed into watch expressions Watch expressions can be updated with or without stopping program execution gt Register window All processor registers and flags are displayed The contents of general registers may be modified in the window by the user gt Stack window shows the contents of the top of the stack gt Hex memory dump displays the contents of memory at any address gt STDIO window print outputs to this window and keyboard input on the host PC can be detected for debugging purposes printf output may also be sent to a serial port or file 48 eDisplay OP7200 4 1 1 Upgrading Dynamic C 4 1 1 1 Patches and Bug Fixes Dynamic C patches that focus on bug fixes are available from time to time Check the Web site www rabbit com s
81. e GLMENU LIB use KEYPAD9 LIB use RN CFG OP72 LIB use NET LIB Finally call the library or libraries associated with the RabbitNet I O card s in your RabbitNet system for example use RNET_DIO LIB for the RabbitNet digital I O card Other generic functions applicable to all devices based on the Rabbit 2000 microprocessor are described in the Dynamic C Function Reference Manual User s Manual 57 4 5 OP7200 Function APIs 4 5 1 Board Initialization Call this function at the beginning of your program This function initializes the system I O ports and loads all the A D converter calibration constants from flash memory into SRAM for use by your pro gram This function will turn off LED DS1 Microprocessor Bad to indicate that the initialization was successful The ports are initialized according to Table A 3 58 eDisplay OP7200 4 5 2 Digital I O This functions is used to configure the high current outputs as either a sinking or a sourcing type output Note that brdInit must be executed before calling this function PARAMETERS outputMode is an 8 bit parameter where each bit corresponds to a high current output Bit 7 OUT7 Bit 6 OUT6 Bit5 OUT5 Bit 4 OUT4 Bit3 OUT3 Bit2 OUT2 Bit 1 OUTI Bit 0 OUTO To set the outputs set the corresponding bit to one of the following states 0 Sinking type circuit 1 Sourcing type circuit EXAMPLE digOutConfig 0x81 OUTO and OUT7 are sou
82. e button ID of the button corresponding to the button being pressed If no such button is found the function returns a negative number SEE ALSO btnVerifyxY btnGet 106 eDisplay OP7200 Searches the list of buttons in use for a button that matches the x y coordinates from the touchscreen PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors btn is the button ID code of the button to be verified x is the x coordinate of the location on the touchscreen y is the y coordinate of the location on the touchscreen RETURN VALUE The button ID of the button corresponding to the button being verified If the button is not the correct button the function returns a negative number SEE ALSO btnSearchxy btnGet Checks the touchscreen x y coordinates against a given set of buttons being displayed to look for a match If a match is found then the button ID code for the button will be returned PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors RETURN VALUE The button ID code of the button corresponding to the button being pressed If no such button is found the function returns a negative number SEE ALSO btnSearchxY btnVerifyXY User s Manual 107 The TS_R4096 LIB library in the TouchScreens directory provides low level touch screen function calls Calibrates the touchscreen as a linear function using the two sets of x y coordinates provided Gain and
83. e graphic functions to draw lines circles polygons and bitmaps e SCROLLING c Demonstrates the scrolling features of the GRAPHIC LIB library TEXT c Demonstrates the text features of the GRAPHIC LIB library 4 3 6 Keypad The following sample programs are found in the LCD_KEYPAD subdirectory in SAMPLES OP7200 e KP_16KEY C Demonstrates using 9 key keypad instead of touchscreen to control vir tual keypad e KP ANALOG c Demonstrates using 9 key keypad instead of touchscreen to control virtual keypad e KP BASIC c Demonstrates the keypad functions KP MENU C Demonstrates how to implement a menu system using the GLMENU LIB library 4 3 7 Touchscreen OP7200 only The following sample program is found in the LCD_ TOUCHSCREEN subdirectory in SAMPLES OP7200 e BIN 16KEY C Demonstrates the use of a virtual keypad for data entry e BTN BASICcSs c Demonstrates the basic functionality of the touchscreen buttons BTN _KEYBOARD C Demonstrates the use of a virtual keypad for data entry e CAL TOUCHSCREEN C Demonstrates how to recalibrate the touchscreen coordinates RD TOUCHSCREEN C Demonstrates how to read the touchscreen in debounced or real time modes TSCUST16KEY LIB Sample library demonstrating how to make custom keysets using GLTOUCHSCREEN LIB TSCUSTKEYBOARD LIB Sample library demonstrating how to make custom keysets using GLTOUCHSCREEN LIB functions User s Manual 55
84. e height of the bitmap bitmap is the address of the bitmap in xmem SEE ALSO g1lXPutFastmap glPrintf 90 eDisplay OP7200 Draws bitmap in the specified space The data for the bitmap are stored in xmem This is like g1XPutBitmap except that it s faster The restriction is that the bitmap must be byte aligned Any portion of a bitmap image or character that is outside the LCD display area will be clipped PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap width is the width of the bitmap height is the height of the bitmap bitmap is the address of the bitmap in xmem SEE ALSO glXPutBitmap glPrintf Gets a bitmap from the LCD page buffer and stores it in xmem RAM This function automatically calls g1XGetFastmap if the bitmap is byte aligned left edge and width are each evenly divisible by 8 PARAMETERS x is the x coordinate of the left edge of the bitmap in pixels y is the y coordinate of the top edge of the bitmap in pixels bmWidth is the width of the bitmap in pixels bmHeight is the height of the bitmap in pixels xBm is the address of the bitmap in xmem RAM SEE ALSO glXPutFastmap glPrintf User s Manual 91 Draws bitmap in the specified space The data for the bitmap are stored in xmem This is like g1XPutBitmap except that it s faster The restriction is that the bitmap must be byte aligned Any portion of a bitmap image or chara
85. emonstration Board Jumpers J3 4 OUTOO K J1 7 H1 None J10 12 GND GND J1 1 H2 As shown e J3 18J3 3 PWR K J3 5 OUTO1 LED1 J1 8 J3 6 OUTO2 LED2 J1 9 J3 7 OUTO3 LED3 J1 10 J3 8 OUT04 LED4 J1i 11 Figure C 2 Connections Between OP7200 and Demonstration Board for DIGOUT C Sample Program User s Manual 149 ORT any N EN ey Toy aro CAUTION Disconnect power before making or removing terminal connections r 2a as HE GND SWw1 SW2 lt IN3 SW3 IN2 SW4 ii B i IN1 L oo N INO o o R J O O p Oq S hosok O h LLL 2 znanim GSS 88 lt g g g g N LI m i e H2 LED1 i amp A LED4 20 i 1 2 84 DEMO BOARD 5 6 OP7200 Demonstration Board 3 Headers J3 J10 Header J1 Os sw sw sw 2 ERE O K J GND Jumpers Bae H1 None H2 As shown sw3 sw4 Figure C 3 Connections Between OP7200 and Demonstration Board for TCP IP Sample Programs 150 eDisplay OP7200 APPENDIX D RABBITNET D 1 General RabbitNet Description RabbitNet is a high speed synchronous protocol developed by Rabbit to connect periph eral cards to a master and to allow them to communicate with each other D 1 1 RabbitNet Connections All RabbitNet connections are made point to point A RabbitNet master port can only be connected directly to a peripheral card and the number of peripheral cards is limited by the number of available RabbitNet ports on the master
86. er s Manual 85 Defines a text only display window This function provides a way to display characters within the text window only using character row and column coordinates The text window feature provides end of line wrapping and clipping after the character in the last col umn and row is displayed NOTE Be sure to execute the TextWindowFrame function before using any of the text only functions TextGotoxy TextPutChar TextPrintf TextCursorLocation PARAMETERS window is a pointer to the window frame pFont is a pointer to the window frame descriptor x is the x coordinate of where the text window frame is to start y is the y coordinate where the text window frame is to start winWidth is the width of the text window frame winHeight is the height of the text window frame RETURN VALUE 0 window frame was successfully created 1 x coordinate width has exceeded the display boundary 2 y coordinate height has exceeded the display boundary SEE ALSO TextPutChar TextPrintf TextCursorLocation TextGotoxY Sets the cursor location on the display of where to display the next character The display location is based on the height and width of the character to be displayed NOTE Be sure to execute the TextWindowFrame function before using any of the text only functions TextGotoxy TextPutChar TextPrintf TextCursorLocation PARAMETERS window is a pointer to the window frame col is the character column location
87. erial Port B is going to used by other libraries such as PACKET LIB RETURN VALUE 0 if valid mode 1 if not SEE ALSO ser485Tx ser485Rx Enables the RS 485 transmitter Transmitted data get echo ed back into the receive data buffer These echo ed data could be used to know when to disable the transmitter by using one of the following methods Byte mode disable the transmitter after the same byte that is transmitted is detected in the receive data buffer Block data mode disable the transmitter after the same number of bytes transmitted is detected in the receive data buffer serMode must be executed before running this function SEE ALSO serMode ser485Rx Disables the RS 485 transmitter This puts the OP7200 in listen mode which allows it to receive data from the RS 485 interface serMode must be executed before running this function SEE ALSO serMode ser485Tx 64 eDisplay OP7200 4 5 5 A D Converter Inputs OP7200 only Reads the state of an analog input channel PARAMETERS channel is the analog input channel number 0 to 7 corresponding to AINO AIN7 channel Single Ended Input Differential Input 0 AINO AINO AIN1 1 AIN1 2 AIN2 AIN2 AIN3 3 AIN3 4 AIN4 AIN4 AIN5 5 AIN5 6 AIN6 AIN6 AIN7 7 AIN7 opmode is the mode of operation 0 SE MODE single ended input line 1 DIFF MODE differential input line 2 mAMP MODE 4 20 mA
88. erial communication If you are planning to use any of the RS 232 serial ports and the RabbitNet port on the OP7200 initialize the serial port s before you initialize the RabbitNet port Section 4 5 4 provides some sample code to illustrates the sequence In principle the OP7200 can operate either as a master controller with RabbitNet expan sion I O or it can operate as a slave operator interface in a RabbitNet network Jumper settings on header JP10 are used to configure the OP7200 for master or slave operation as shown in Appendix A 3 Jumper Configurations The factory default is for the OP7200 to be configured as a RabbitNet master At the present time Dynamic C does not support the operation of the OP7200 as a slave and so the OP7200 is restricted to being used as a master Appendix D provides additional information about the RabbitNet system 36 eDisplay OP7200 3 5 4 Ethernet Port Figure 17 shows the pinout for the Ethernet port J2 on the OP7200 s RabbitCore module Note that there are two standards for numbering the pins on this connector the convention used here and numbering in reverse to that shown Regardless of the numbering conven tion followed the pin positions relative to the spring tab position located at the bottom of the RJ 45 jack in Figure 17 are always absolute and the RJ 45 connector will work prop erly with off the shelf Ethernet cables ETHERNET RJ 45 Plug Figure 17 RJ 45 Et
89. erviced servicetype enables or disables each RabbitNet port as set by the port flags 0 disable port 1 enable port RETURN VALUE 0 154 eDisplay OP7200 Returns an address index to device information from a given physical node address This function will check device information to determine that the peripheral board is connected to a master PARAMETER pna is the physical node address indicated as a byte 7 6 Port number 5 4 3 Level 1 downstream port 2 1 0 Level 2 downstream port RETURN VALUE Pointer to device information 1 indicates that the peripheral board either cannot be identified or is not connected to the master SEE ALSO rn_find Locates the first active device that matches the search criteria PARAMETER srch is the search criteria structure rn_ search unsigned int flags status flags see MATCH macros below unsigned int ports port bitmask char productid product id char productrev product rev char coderev code rev long serialnum serial number Use a maximum of 3 macros for the search criteria RN_ MATCH PORT match port bitmask RN_ MATCH PNA match physical node address RN_ MATCH HANDLE match instance reg 3 RN MATCH PRDID match id version reg 1 RN MATCH PRDREV match product revision RN_ MATCH CODEREV match code revision RN MATCH SN match serial number For example rn_search newdev newdev flags RN MATCH PORT RN MATCH SN newdev por
90. ery Backup Circuit Figure B 3 shows the battery backup circuit located on the OP7200 s RabbitCore module Figure B 3 OP7200 Backup Battery Circuit The battery backup circuit serves three purposes e It reduces the battery voltage to the SRAM and to the real time clock thereby limiting the current consumed by the real time clock and lengthening the battery life e It ensures that current can flow only out of the battery to prevent charging the battery e A voltage VOSC is supplied to U6 which keeps the 32 768 kHz oscillator working when the voltage begins to drop VRAM and Vcc are nearly equal lt 100 mV typically 10 mV when power is supplied to the OP7200 User s Manual 143 B 2 4 Power to VRAM Switch The VRAM switch on the OP7200 s RabbitCore module shown in Figure B 4 allows the battery backup to provide power when the external power goes off The switch provides an isolation between Vcc and the battery when Vcc goes low This prevents the Vcc line from draining the battery VCC VRAM A Q5 FDV302P R30 10 kQ IRES OUT A Q2 ane MMBT3904 Figure B 4 VRAM Switch Field effect transistor Q5 is needed to provide a very small voltage drop between Vcc and VRAM lt 100 mV typically 10 mV so that the board components powered by Vcc will not have a significantly different voltage than VRAM When the OP7200 is not in reset the RES_OU
91. ext Hello nfrom nZ World will produce Hello from Z World SEE ALSO btnCreateBitmap btnInit btnDisplay btnDisplayLevel btnClear btnClearLevel User s Manual 101 Creates a button with a bitmap PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors Btn ID is the button ID number of the button being created xStart is the coordinate of the starting horizontal pixel yStart is the coordinate of the starting vertical pixel Attribs are the button attributes bit 0 1 oval shaped 0 square shaped bit 1 1 beep when pressed 0 disable beep bit 2 to 7 reserved Level is the level to associate the button with buttons with the same level can be displayed together using the function btnDisplayLevel or they can be removed together using the function btnClearLevel bmp is a pointer to the bitmap to use bmpWidth is the horizontal size of the bitmap bmpHeight is the vertical size of the bitmap RETURN VALUE 1 when completed NOTE The button will be the bitmap size 16 pixels and will be centered with 8 pixels on each side and 8 pixels each top and bottom SEE ALSO btnCreateText btnDisplay btnClear btnDisplayLevel btnClearLevel btnInit 102 eDisplay OP7200 Displays text on the LCD The text will be centered automatically both horizontally and vertically n within the text will give you the capability for multiline text For example Hello nfro
92. folder compile the program and start it running under Dynamic C When the program starts run ning the green LNK light on the OP7200 should be on to indicate an Ethernet connection is made Note If the LNK light does not light you may not have a crossover cable or if you are using a hub perhaps the power is off on the hub The next step is to ping the board from your PC This can be done by bringing up the MS DOS window and running the ping program ping 10 10 6 100 or by Start gt Run and typing the command ping 10 10 6 100 Notice that the orange ACT light flashes on the OP7200 while the ping is taking place and indicates the transfer of data The ping routine will ping the board four times and write a summary message on the screen describing the operation User s Manual 117 5 2 4 Running More Demo Programs With a Direct Connection The sample programs discussed in this section use the Demonstration Board from the OP7200 Tool Kit to illustrate their operation Appendix C Demonstration Board Con nections contains diagrams of typical connections between the OP7200 and the Demon stration Board used to run these sample programs The program FLASH XML C SAMPLES OP7200 TCPIP runs a Web server that has a Web page with a Macromedia Flash movie You will need the Macromedia Flash plug in installed on your browser to use this sample program The program SMPTP C SAMPLES OP7200 TCPIP uses the SMTP library to send an
93. for surface mounted components A new conformal coating should then be applied to offer continuing protection against the effects of moisture and contaminants NOTE For more information on conformal coatings refer to Rabbit Technical Note 303 Conformal Coatings User s Manual 131 A 3 Jumper Configurations Figure A 4 shows the header and jumper locations used to configure the various OP7200 options P12 yer JP7 Battery P yPs Figure A 4 Location of OP7200 Configurable Positions RabbitCore module is not shown Table A 2 lists the configuration options 0 Q surface mount resistors are used for all the positions except JP10 and J8 which use standard pluggable jumpers Table A 2 OP7200 Jumper Configurations ae Factory Header Description Pins Connected Default 1 2 Pulled up to Vcc x JP1 IN16 IN18 2 3 Pulled down 1 2 Pulled up to Vcc x JP2 INOO INO7 2 3 Pulled down 132 eDisplay OP7200 Table A 2 OP7200 Jumper Configurations continued Header Description Pins Connected racor Default 1 2 Pulled up to Vcc x JP3 IN8 IN15 2 3 Pulled down 1 2 Tied to 2 048 V JP4 AINO AIN1 2 3 Tied to analog ground x 1 2 Tied to 2 048 V JP5 AIN2 AIN3 2 3 Tied to analog ground x 1 2 Tied to 2 048 V JP6 AIN4 AIN5 2 3 Tied to analog ground x 1
94. g function calls TextPrintf see cetaussepsseviaset 88 flash vs RAM eseeeseeeeees 47 keyConfig sstecisnssinseass 96 TextPutChar 000 87 programming cable 3 Key Get reii 97 TextWindowFrame 86 programming port 38 keylnit n se 96 LCD controller 40 50 programming cable 3 keypadDef eeeeee 98 handling applications devel CONNECTIONS cece eee 12 KeyProcess esseceseens 97 oped for older chip 50 PROG connector 44 keyScan nsss 98 identifying new part 40 programming port 38 L LCD screen control R function calls LCD glAnimation a 94 Rabbit 2000 function calls glBackLight 00 94 parallel ports 0 0 135 giBlankScreen 79 SP SPONOM steer 2 RabbitNet anitean bee hike 5 GIBlock oo eee eens 81 glRealtime ee 94 Ethernet cables to connect glBuffUnlock 0 0 78 glSetContrast 0 95 peripheral cards 151 152 glFillCircle we 83 function calls glFillPolygon 82 M m_comm_status 160 glFillV Polygon n s 82 MEMO ciie as 39 rn_device ceeeeeeeeeeees 155 glFontCharAddr 85 Models a ae 2 TECHO anatina 156 glGetBrushType 80 OPT 200 cect erst vendvusictos 2 THIN soins sec eeeanane 155 glGetPfStep onssssssssssrers 84 OPT 20s ert teusaes a rn_hitwd eiii 159 glHScroll sic sontsaratonceetane 89 mounti
95. hat do not carry the CE mark on their RabbitCore module or when using any OP7200 with a ver sion of Dynamic C prior to 7 30 User s Manual 45 46 eDisplay OP7200 4 SOFTWARE Dynamic C is an integrated development system for writing embedded software It runs on an IBM compatible PC and is designed for use with single board computers and other devices based on the Rabbit microprocessor Chapter 4 provides the libraries function calls and sample pro grams related to the OP7200 4 1 Running Dynamic C You have a choice of doing your software development in the flash memory or in the static RAM included on the OP7200 The flash memory and SRAM options are selected with the Options gt Compiler menu The advantage of working in RAM is to save wear on the flash memory which is limited to about 100 000 write cycles The disadvantage is that the code and data might not both fitin RAM NOTE An application can be developed in RAM but cannot run standalone from RAM after the programming cable is disconnected Standalone applications can only run from flash memory NOTE Do not depend on the flash memory sector size or type Due to the volatility of the flash memory market the OP7200 and Dynamic C were designed to accommodate flash devices with various sector sizes OP7200s that are special ordered with 512K flash 5 12K SRAM memory options have two 256K flash memories By default Dynamic C will use only the first flash
96. he control panel Start gt Settings gt Control Panel and double click the Network icon 2 Select the network interface card used for the Ethernet interface you intend to use e g TCP IP Xircom Credit Card Network Adapter and click on the Properties button Depending on which version of Windows your PC is running you may have to select the Local Area Connection first and then click on the Properties button to bring up the Ethernet interface dialog Then Configure your interface card for a 10Base T Half Duplex or an Auto Negotiation connection on the Advanced tab NOTE Your network interface card will likely have a different name 3 Now select the IP Address tab and check Specify an IP Address or select TCP IP and click on Properties to assign an IP address to your computer this will disable obtain an IP address automatically IP Address 10 10 6 101 Netmask 255 255 255 0 Default gateway 10 10 6 1 4 Click lt OK gt or lt Close gt to exit the various dialog boxes OP7200 IP 10 10 6 101 Board Netmask 255 255 255 0 User s PC Ethernet crossover cable Direct Connection PC to OP7200 Board 116 eDisplay OP7200 5 2 3 Run the PINGME c Demo Connect the crossover cable from your computer s Ethernet port to the OP7200 s RJ 45 Ethernet connector Open this sample program from the SAMPLES TCPIP IcmpP
97. hernet Port Pinout RJ 45 pinouts are sometimes numbered opposite to the way shown in Figure 17 Two LEDs are placed next to the RJ 45 Ethernet jack one to indicate a live Ethernet link LNK and one to indicate Ethernet activity ACT The transformer connector assembly ground is connected to the OP7200 s RabbitCore module printed circuit board digital ground via a 0 Q resistor jumper R29 as shown in Figure 18 RJ 45 Ethernet Plug T R29 7 NVV Board _ Chassis Ground Ground Figure 18 Isolation Resistor R29 The factory default is for the 0 Q resistor jumper at R29 to be installed In high noise environments remove R29 and ground the transformer connector assembly directly through the chassis ground by using the EGND terminal on the RabbitCore module This will be especially helpful to minimize ESD and or EMI problems User s Manual 37 3 5 5 Programming Port The RabbitCore module on the OP7200 has a 10 pin programming header The program ming port uses the Rabbit 2000 s Serial Port A for communication Dynamic C uses the programming port to download and debug programs The programming port is also used for the following operations e Cold boot the Rabbit 2000 on the RabbitCore module after a reset e Remotely download and debug a program over an Ethernet connection using the RabbitLink EG2110 e Fast copy designated portions of flash memory from one Rabbit based
98. heses eDisplay OP7200 128 Table A 1 lists the electrical mechanical and environmental specifications for the OP7200 Table A 1 OP7200 Specifications Feature OP7200 OP7210 Microprocessor Rabbit 2000 at 22 1 MHz Ethernet Port 10 100 compatible with 10Base T interface RJ 45 Flash Memory 256K SRAM 128K Backup Battery Socketed 3 V lithium coin type 265 mA h 14 VGA 320 x 240 pixels with programmable white LED backlight Keypad Display black on white display transflective FSTN LCD 6 o clock viewing angle 9 key keypad Touchscreen 4096 x 4096 resistive touchscreen No LEDs 4 Power On Microprocessor Error Ethernet Link Ethernet Activity Digital Inputs 19 protected to 36 V DC 16 protected to 36 V DC Digital Outputs 8 individually configurable in software to sink up to 350 mA each 36 V DC max or source up to 250 mA each 40 V DC max 8 single ended or 4 differential 200 kQ input impedance 1 5 ksamples s sampling rate Analog Inputs software controlled ranges None 0 1 V 2V 5 V 10 V 20 V DC 11 bit single ended 12 bit dif ferential Four 12 position screw terminal Three 12 position screw terminal Connectors headers 0 1 pitch headers 0 1 pitch Serial Ports 4 serial ports two RS 232 or one RS 232 with CTS RTS one RS 485 with onboard network termination and bias resistors or one RS 422 SPI master port e one 5 V CMOS
99. hite LED backlight e Software controlled LCD contrast and backlight on off e 9 key keypad e LCD controller and SRAM compatible with OP7100 e 4 status LEDs e 24 digital I O 16 filtered digital inputs with an input range of 36 V DC and a switch ing point of 2 4 V and 8 sourcing sinking tristate high current outputs 250 350 0 mA e Rabbit 2000 microprocessor operating at 22 1 MHz e Audible alarm buzzer e 128K static RAM and 256K flash memory standard e One RJ 45 10 100 compatible Ethernet port with a 10Base T Ethernet interface User s Manual 1 Four serial ports 2 RS 232 or 1 RS 232 with RTS CTS 1 RS 485 or RabbitNet expansion port and 1 CMOS compatible programming port Onboard backup battery for real time clock and SRAM connection point for external battery included Watchdog External reset input Meets NEMA 4 watertightness specifications when front panel mounted Optional 8 channel 12 bit A D converter Optional 4096 x 4096 analog touchscreen Two OP7200 models are available Their standard features are summarized in Table 1 Table 1 OP7200 Models Feature OP7200 OP7210 Microprocessor Rabbit 2000 running at 22 1 MHz Static RAM 128K Flash Memory 256K RJ 45 Ethernet Connector and Filter Capacitors ues RabbitCore Module Used RCM2200 A D Converter Inputs Yes No 4096 x 4096 Touchscreen Yes No Additional 512K flash 512K SRAM memory options are av
100. hrough programmed I O bits composed of four scan rows of three keys each Driving a particular scan line KB S0 3 low will read back a zero on the keypad data lines PBO 2 K0 2 associated with the three keys on the selected row Diodes D16 D19 prevent feedback allowing the software to read the keypad even when multiple keys are pressed simultaneously Resistors R138 R141 and capacitors C79 C81 and C83 form a low pass filter to protect against ESD damage These same circuits help to eliminate EMI from being radiated from the keypad or its flex cable R149 R151 R152 and C82 C84 perform a similar function for the keypad data lines The tri state receiver chip U13 connects the key data to the microprocessor data bus at the appropriate time when directed by the control signals IORD and PES IO CS1 Note that only the low order three bits of the data bus are connected The software must mask off the high 5 bits since they are undefined Figure 20 shows how the keypad is encoded with respect the scan and data lines For example if KB S2 is asserted low then keys D H and E are read back on data lines KO K1 and K2 respectively A zero read on the data lines indicates that the key is pressed and a one indicates that it is not Ones are always read back on data lines that are not assigned to any particular key Once the values read from the keypad remain constant for a length of time the read can be assumed to be valid A
101. iates a lot of heat for example heaters transformers and high power resistors Leave at least 8 20 cm distance from electric power lines and even more from high voltage devices When installing the OP7200 near devices with strong electrical or magnetic fields such as solenoids allow a least 3 8 cm more if necessary The OP7200 has strong environmental resistance and high reliability but you can maxi mize system reliability by avoiding or eliminating the following conditions at the installa tion site Abrupt temperature changes and condensation Ambient temperatures exceeding a range of 0 C to 50 C Relative humidity exceeding a range of 20 to 70 Strong magnetism or high voltage Corrosive gasses Direct vibration or shock Excessive iron dust or salt Spray from harsh chemicals 122 eDisplay OP7200 6 3 Mounting Instructions The OP7200 comes with a gasket attached to the bezel When properly mounted in a panel the OP7200 bezel gasket are designed to meet NEMA 4 specifications for water resistance Since the OP7200 employs an LCD display the viewing angle must be considered when mounting the display The viewing angle is affected by the software controlled contrast Install the OP7200 at a height and angle that makes it easy for the operator to see the screen 6 3 1 Bezel Mount Installation This section describes and illustrates how to bezel mount the OP7200 Follow these steps for bezel mount
102. ication byte A set bit indicates which error occurred This register is cleared when read 7 HW reset has occurred 6 SW reset has occurred 5 HW watchdog enabled 4 SW watchdog enabled 3 2 1 0 Reserved RETURN VALUE The status byte from the previous command User s Manual 159 PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the handle retdata is a pointer to the return address of the communication byte A set bit indicates which error occurred This register is cleared when read 7 Data available and waiting to be processed MOSI master out slave in 6 Write collision MISO master in slave out 5 Overrun MOSI master out slave in 4 Mode fault device detected hardware fault 3 Data compare error detected by device 2 1 0 Reserved RETURN VALUE The status byte from the previous command D 3 1 Status Byte Unless otherwise specified functions returning a status byte will have the following format for each designated bit 00 Reserved 01 Ready 02 Busy 03 Device not connected 0 Device 1 Hub x Reserved for devices x Reserved for devices x Reserved for devices 0 Last command accepted 1 Last command unexecuted 0 Not expired x 1 HW or SW watchdog timer ok expired Use the function rn_rst_status to determine which timer expired 160 eDispla
103. ice information indicates the peripheral board is not connected to the master and 2 means that the data length was greater than 15 SEE ALSO rn_read 156 eDisplay OP7200 Reads a string from the specified device and register Waits for results This function will check device information to determine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the handle regno is the command register number as designated by each device recdata is a pointer to the address of the string to read from the device datalen is the number of bytes to read 0 15 NOTE A data length of 0 will transmit the one byte command register number RETURN VALUE The status byte from the previous command 1 means that device information indicates the peripheral board is not connected to the master and 2 means that the data length was greater than 15 SEE ALSO rn_write Sends a reset sequence to the specified peripheral board The reset takes approximately 25 ms before the peripheral board will once again execute the application Allow 1 5 seconds after the reset has completed before accessing the peripheral board This function will check peripheral board information to deter mine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the hand
104. installation 1 Cut a mounting hole in the mounting panel in accordance with the recommended dimen sions in Figure 23 then use the bezel faceplate to mount the OP7200 onto the panel eee en Berd reena 7 oS x d i i ra 7 N a hs i X if rh i i 7 i i ra fe i DS i E OSTRA CUTOUT BREg 1 post M va ra 1 A 7 i vs i i Pa x i 7 1 Ze N 1 a kS 1 N ra N 7 N i A bS H i Vv oe suse Rai Gt ated teen tae Mac amaad eae eit ads etd o t lt 3 82 gt Ba 97 o 4 41 Figure 23 Recommended Cutout Dimensions User s Manual 123 2 Remove the OP7200 back cover Set the screws and back cover aside since the back cover will be re attached after the OP7200 is inserted through the cutout 3 Carefully insert the OP7200 4 Fasten the unit to the panel with the back cover and the four 4 40 screws that attach the back cover to the OP7200 If your panel is more than 0 1 2 5 mm thick you will need to supply longer 4 40 screws OP7200 Bezel Gasket _ p P CAUTION Disconnect power m Panel A before making or removing d a terminal connections O os Figure 24 OP7200 Mounted in Panel rear view Carefully tighten the screws until the gasket is compressed by the bezel faceplate Do not tighten each s
105. ipped PARAMETERS xc is the x coordinate of the center of the circle yc is the y coordinate of the center of the circle rad is the radius of the circle in pixels SEE ALSO glFillCircle glPlotPolygon glFillPolygon Draws a filled circle in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the circle that is outside the LCD display area will be clipped PARAMETERS xc is the x coordinate of the center of the circle yc is the y coordinate of the center of the circle rad is the radius of the circle in pixels SEE ALSO glPlotCircle glPlotPolygon glFillPolygon Initializes the font descriptor structure where the font is stored in xmem Each font character s bitmap is column major and byte aligned PARAMETERS pinfo is a pointer to the font descriptor to be initialized pixWidth is the width of each font item in pixels pixHeight is the height of each font item in pixels startChar is the value of the first printable character in the font character set endChar is the value of the last printable character in the font character set xmemBuf fer is an xmem address of the pointer to a linear array of font bitmaps SEE ALSO glPrinf User s Manual 83 Prints a formatted string much like print f on the LCD screen Only the character codes that exist in the font set are printed all others are skipped over For example b t n and r ASCII backspace tab new line and carriage
106. ired to make differential measurements The default setup for the OP7200 is to measure only positive voltages for the ranges listed in Table 2 Table 2 Positive A D Converter Input Voltage Ranges Min Voltage Max Voltage Amplifier V V Cala mV per Tick 0 0 20 0 1 10 0 0 10 0 2 5 0 0 5 0 4 2 5 0 0 4 0 3 2 0 0 0 2 5 8 1 25 0 0 2 0 10 1 0 0 0 1 25 16 0 625 0 0 1 0 20 0 500 Many other possible ranges are possible by physically changing the resistor values that make up the attenuator circuit It is also possible to read a negative voltage by moving the 0 Q jumper see Figure 11 on header JP4 JP5 JP6 or JP7 associated with the A D converter input from analog ground to the 2 048 V reference voltage generated and buffered by the A D converter Adjacent input channels are paired so that moving a particular jumper changes both of the paired channels At the present time Rabbit does not offer the software drivers to work with sin gle ended negative voltages but the differential mode described below may be used to measure negative voltages Differential measurements require two channels As the name differential implies the dif ference in voltage between the two adjacent channels is measured rather than the differ ence between the input and analog ground Voltage measurements taken in differential mode have a resolution of 12 bits with the 12th bit indicating whether the difference is
107. is the width of the box in pixels ySize is the height of the box in pixels pInfo is a pointer to the font descriptor Text is a pointer to the text to be displayed Frame is the frame type 1 oval 0 square Invert inverts the selection 0 normal display 1 inverted display RETURN VALUE 1 when completed SEE ALSO btnDisplayText Displays a predefined button on the LCD The attributes the text bitmap displayed and the location of the button are predefined by either btnCreateText or btnCreateBmp Once the button is dis played the touchscreen will monitor it for presses Call btnClear to remove the button PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors Btn ID is the button ID number of the button to display RETURN VALUE 1 when completed SEE ALSO btnDisplayLevel btnClearLevel btnClear 104 eDisplay OP7200 Displays predefined buttons having the same level setting The level is defined by either btnCreate Text or btnCreateBmp btnDisplayLevel allows you to display a group of buttons with a single function call PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors Level is the button level to display RETURN VALUE 1 when completed SEE ALSO btnClearLevel btnDisplay btnClear Removes a button displayed on the LCD PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors BtnID is the button ID nu
108. l wave bridge rectifier also allows the OP7200 to be powered from 24 V AC a wo PWR SWITCHING POWER REGULATOR Nee VIN 14 1 us c49 5 TVS1 47 pF i T M2575 12 C39 r330 uF POWER IN Figure B 1 OP7200 Power Supply The input voltage range is from 9 V to 40 V DC A switching power regulator is used to provide a Vcc of 5 V for the OP7200 logic circuits Vcc is can be made accessible to the user by installing a 0 Q resistor at R71 Vcc will then be available instead of digital input IN15 on pin 4 of screw terminal header J10 The OP7200 can alternatively be powered by 24 V AC In this case the full wave bridge rectifier produces approximately 30 V DC at the input of the switching regulator Although a significant drop will be measured at the input to the switching regulator the voltage will never drop below 9 V DC As long as the minimum input level is maintained at the input to the regulator Vcc will be held at 5 V DC There is provision on the printed circuit board for a transorb to be installed at TVS1 in parallel with C49 to provide suppression for positive noise pulses above 51 V This part is only needed when the OP7200 will be used in industrial environments where a clean source of power cannot be guaranteed and is not part of the normal factory build User s Manual 139 B 1 1 Power for Analog Circuits Power to the analog circuits is provided by way of a
109. le resettype describes the type of reset 0 hard reset equivalent to power up All logic is reset 1 soft reset only the microprocessor logic is reset RETURN VALUE The status byte from the previous command 1 means that device information indicates the peripheral board is not connected to the master User s Manual 157 Sets software watchdog timeout period Call this function prior to enabling the software watchdog timer This function will check device information to determine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device or rn_find toestablish the handle timeout is a timeout period from 0 025 to 6 375 seconds in increments of 0 025 seconds Entering a zero value will disable the software watchdog timer RETURN VALUE The status byte from the previous command 1 means that device information indicates the peripheral board is not connected to the master Enables the hardware and or software watchdog timers on a peripheral board The software on the peripheral board will keep the hardware watchdog timer updated but will hard reset if the time expires The hardware watchdog cannot be disabled except by a hard reset on the peripheral board The software watchdog timer must be updated by software on the master The peripheral board will soft reset if the timeout set by rn_sw_wdt expires This function will check device information to dete
110. le that meets or exceeds the accuracy of the A D converter chip 3 4 3 1 Modes The OP7200 A D converter operates in three different modes e the single ended mode e the differential mode and e the milli amp mode The calibration and read routines provided correspond to these three modes 3 4 3 2 Calibration Constants The A D converter has eight individual input channels and each channel has eight pro grammable gains Additionally the A D converter has the capability for adjacent inputs to be paired to make differential measurements with eight different gains and provision is also made to convert 4 20 mA analog current measurements 28 eDisplay OP7200 To get the best results form the A D converter it is necessary to calibrate each mode for each of its gains The following table provides a grid for each possible set of calibration constants Mode Single Ended mA Differential aoe 1 2 4 5 8 10 16 20 4 1 2 4 5 8 10 16 20 0 1 2 5 3 E 4 5 6 7 For the single ended mode there are calibration constants for each channel and for each of its gains for a total of 64 sets of calibration constants The milli amp mode covers 4 20 mA actually 0 25 mA currents Separate calibration and read back routines are provided for this Since only one range of current measurement is provided these routines use only one gain 4 One
111. librated The calibration table only holds calibration constants based on mode channel and gain Other factors affecting the calibration must be taken into account by calibrating using the same mode and gain setup as in the intended use It is not necessary to fill out the entire calibration table Only the entries associated with the modes channels and gains that you will be using are necessary This fact can be used to simplify and speed up the calibration process Each calibration is normally done at 10 less than the maximum and 10 more than the minimum within a given voltage range defined by the mode channel and gain However if an application is known to use only portion of a particular range it is possible to obtain improved accuracy by using calibration points that are 10 less than the expected maxi mum and 10 greater than the expected minimum 3 4 3 4 Factory Calibration Because of the large number of possible calibrations the factory performs only a rudimen tary calibration on the unit By default all four of the attenuator reference selection jump ers are in the analog ground position The factory performs a single ended calibration on each of the eight channels with a gain of 1 0 20 V range The remaining single ended calibration constants for the other seven gains are approximated and are filled in based on the initial calibration The milli amp and differential portions of the table are filled in using typical expecte
112. lipped The function will also return doing nothing if there are less than 3 vertices PARAMETERS n is the number of vertices x1 is the x coordinate of the first vertex y1 is the y coordinate of the first vertex X2 is the x coordinate of the second vertex y2 is the y coordinate of the second vertex e coordinates of additional vertices SEE ALSO glFillVPolygon glPlotPolygon glPlotVPolygon Plots the outline of a polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be clipped The function will also return doing nothing if there are less than 3 vertices PARAMETERS n is the number of vertices pFirstCoord is a pointer to an array of vertex coordinates x1 y1 x2 y2 x3 y3 SEE ALSO glPlotPolygon glFillPolygon gl1FillVPolygon Draws a filled polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be clipped The function will also return doing nothing if there are less than 3 vertices PARAMETERS n is the number of vertices pFirstCoord is a pointer to an array of vertex coordinates x1 y1 x2 y2 x3 y3 SEE ALSO glFillPolygon glPlotPolygon glPlotVPolygon 82 eDisplay OP7200 Draws a circle in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the circle that is outside the LCD display area will be cl
113. m documentation schemat 090 0138 pdf 090 0042 Demonstration Board Schematic www rabbit com documentation schemat 090 0042 pdf 090 0128 Programming Cable Schematic www rabbit com documentation schemat 090 0128 pdf You may use the URL information provided above to access the latest schematics directly User s Manual 165
114. m nZ World will produce Hello from Z World PARAMETERS xStart is the coordinate of the starting horizontal pixel yStart is the coordinate of the starting vertical pixel xSize is the width of the display area in pixels ySize is the height of the display area in pixels pinfo is a pointer to the font descriptor Text is a pointer to the text to be displayed RETURN VALUE 1 when completed SEE ALSO btnMsgBox btnDisplay Blanks a region of the LCD Do not use this function call to remove buttons if you use this function to remove a button from the LCD the button will still be enabled Instead use btnClear or btnClearLevel to remove buttons from the LCD PARAMETERS xStart is the pixel coordinate of the starting horizontal pixel yStart is the pixel coordinate of the starting vertical pixel xSize is the width of the display area in pixels ySize is the height of the display area in pixels RETURN VALUE 1 when completed SEE ALSO btnClear btnClearLevel User s Manual 103 Displays a message or text box on the LCD The box can be square or oval framed and it can be inverted The text will be centered automatically both horizontally and vertically n within the text will give you the capability of multiline text For example Hello nfrom nZ World will produce PARAMETERS xStart is the pixel coordinate of the starting horizontal pixel yStart is the pixel coordinate of the starting vertical pixel xSize
115. mber of the button to remove RETURN VALUE 1 when completed SEE ALSO btnDisplayLevel btnDisplay btnClearLevel Removes a group of buttons having the same level This function is called as many times as necessary until BIN SUCCESS is returned PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors Level is the button level to remove use BTN ALL L to remove all the buttons RETURN VALUE BIN SUCCESS when completed otherwise BTN PENDING SEE ALSO btnDisplayLevel btnDisplay btnClear User s Manual 105 Sets the button attributes for the action to be taken when the button is pressed PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors btn is the button ID number RepeatCntrl sets repeat enable disable 0 repeat off 1 repeat on InitRepeatDelay sets the initial delay in milliseconds for the repeat when the repeat is enabled RepeatDelay sets the repeat delay in milliseconds between repeats BuzzerCntr1 enables disables the buzzer sound when the button is pressed 0 buzzer off 1 buzzer on RETURN VALUE 1 when completed Searches the list of buttons in use for a button that matches the x y coordinates from the touchscreen PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors x is the x coordinate of the location on the touchscreen y is the y coordinate of the location on the touchscreen RETURN VALUE Th
116. memory for pro gram code in these OP7200s Uncomment the USE_2NDFLASH_ CODE macro within the RABBITBIOS C file in the Dynamic C BIos folder to allow the second flash memory to hold any program code that is in excess of the available memory in the first flash User s Manual 47 Developing software with Dynamic C is simple Users can write compile and test C and assembly code without leaving the Dynamic C development environment Debugging occurs while the application runs on the target Alternatively users can compile a program to an image file for later loading Dynamic C runs on PCs under Windows 98 or later Pro grams can be downloaded at baud rates of up to 460 800 bps after the program compiles Dynamic C has a number of standard features e Full feature source and or assembly level debugger no in circuit emulator required e Royalty free TCP IP stack with source code and most common protocols e Hundreds of functions in source code libraries and sample programs gt Exceptionally fast support for floating point arithmetic and transcendental functions gt RS 232 and RS 485 serial communication gt Analog and digital I O drivers gt I C SPI GPS file system gt LCD display and keypad drivers e Powerful language extensions for cooperative or preemptive multitasking e Loader utility program to load binary images into Rabbit targets in the absence of Dynamic C e Provision for customers to create their own source co
117. mmunication SIMPLE3WIRE C 53 SIMPLE485MASTER C 54 SIMPLE485SLAVE C 54 TCP IP 115 147 150 FLASH_XML C 118 PINGME C 00008 117 SSEC Avtnncsl a heas 118 TELNET C minie 118 touchscreen BTN_I6KEY C 55 BTN_BASICS C 55 BTN_KEYBOARD C 55 CAL_TOUCHSCREEN C TSCUSTI6KEY LIB 55 TSCUSTKEYBOARD LIB user block USERBLOCK_CLEAR C USERBLOCK_INFO C 56 serial communication flow control ccceeeeeee 64 function calls SETABSR diarea 64 ser485Tx we eceseeeceeees 64 serCflowcontrolOff 64 serCflowcontrolOn 64 SerMde ss ronen 64 programming port 38 RS 232 description 34 RS 485 network 34 RS 485 termination and bias TESISCOLS ccecceccecesseeeeee 35 serial ports Ethernet port oe 37 RabbitNet port oe 36 SOUP i misine GA ini 10 power supply connections 10 programming cable connec TODS sii 12 SOMWALE sess iispis aioir 4 libraries wc eee 57 displays eee 57 keypads oo eee 57 OP7200 sei ari aii 57 OP72xx LIB oe 57 PACKET LIB 33 63 64 RabbitNet 0 0 57 RN_CFG_OP72 LIB 57 RNET LIB oeeie 154 RS232 L B sines 63 64 touchscreens 0 0 0 57 macros USE_2NDFLASH_CODE n ET 47 using second 256K flash MEMOTY peiiini 47 specifications header footprint 130 OP7200 dimensions 06 128 electrical 0 eee 129 temperature oo 129 physic
118. nd therefore changes were made to the LCD drivers The updated drivers for the OP7200 are included in Dynamic C v 9 40 and later and are backward compatible for use with the old LCD controller chip If you are using a program developed with an earlier version of Dynamic C you will need to replace the existing Dynamic C SED1335F LIB library in your Dynamic C installa tion in the LIB DISPLAYS GRAPHIC 320x240 folder Once you have the new SED1335F LI1B library you will have to recompile your program The new SED1335F LIB library is available for download from our Web site at www rabbit com support downloads downloads_prod shtml and has been tested for compatibility with Dynamic C versions 7 33 and later The changes to the SED1335 F L1B library will improve the OP7200 screen update time by a factor of four Otherwise the form fit and function of the OP7200 are not affected by the changes 50 eDisplay OP7200 4 2 Font and Bitmap Converter The Font and Bitmap Converter is a utility included with Dynamic C to convert Windows fonts and monochrome bitmaps to a library file format compatible with Dynamic C appli cations and Rabbit s graphic displays These library files may be added to applications with the statement use LIBRARYFILENAME LIB or by cutting and pasting from the library file directly into the application Remember to enter LIBRARYFILENAME LIB into LIB DIR which is located in the Dynamic C directory if you use LIBRARY
119. nd three control lines IORD IOWR and LCDM CS The interface from the LCD controller to the LCD module is unidirectional Data flow from the controller chip to the LCD module A number of control lines are provided for this func tion but not all of them are used for a particular LCD module The controller continually reads the SRAM which is included on the LCD controller chip used after January 2006 for data placed there by the microprocessor and refreshes the display periodically Other functions support the LCD module to adjust its contrast and to turn the white LED backlight on and off A variable resistor between two of the LCD module s terminals sets the contrast U5 is a digitally controlled potentiometer that is controlled by software Once the value is set the value will be maintained A single programmed I O bit is used to turn the LED backlight on or off Since this bit does not have enough drive current to light the LED directly it is buffered by the FET Q1 The controller chip used in OP7200 s sold before 2006 supported either 32K or 64K of SRAM These OP7200s were designed using a dual footprint SRAM to accept either one 32K or one 128K SRAM The 128K part was standard The full 64K supported by the controller is available with the 128K SRAM plus an additional 64K can be swapped in and out by using the programmed I O bit VA16 Pins 1 2 on header JP9 are normally con nected by a 0 Q surface mounted resistor but pins 2
120. ng and installation PATI APN E E O 154 VEE seed dacgnedenavreeceipad ates J Ae Serre ree 123 124 TE read cettidts nechlacettn 157 ellefti vacchacgceatien 88 TM TESEL fie ASS 157 PIMEN oriana 76 O rn_rst_status o 159 a OP7200 rn_write seoeeeeeeeeeeeeeeeney 156 introduction oo eee eee 1 general desenp non Bete I glPlotCircle cee 83 ovel y hardware configuration 36 glPlotDot SEAS 80 E E 125 peripheral cards seossensenanan 152 ant pret wente ae H physical implementation 153 giPlotPolygon P RabbitNet port 00 36 glPlotVPolygon 82 use of Serial Port B 36 PIPAN sovisncsctsieseteearestese 84 peripheral cards eee 5 RabbitNet port glPutChar nsss 85 connection to master 151 152 function calls oc 111 glPutFont eeeceeeee 85 physical mounting 130 M_Sp_ClOSe sceseeseeeees 111 glRefreshMenu Sere 76 pinout rn_sp_disable 112 glRight wee 88 Ethernet port 0 0 0 37 m_sp_enable 00 112 glSetPfStep tations 84 OP7200 headers 0 18 M_SP_infO o sseeeesseeeeeee 111 SIS WAP eiieeii 78 power management 139 MATOS eiis ei e EEE 111 BIT orcacaivausvanneates 89 power supply sses 3 139 real time clock PIVS crol enine 90 backup battery circuit 143 how to set ececccccseeeeeseees 15 glXFontInit 0 83 battery backup TAN Reset ESE 10 glXGetBitmap s s 91 chip select circuit 145 hardware oo
121. ng cable that has a red shrink wrap around the RS 232 level converter Part No 101 0513 which is supplied with the OP7200 Tool Kit Other Rabbit programming cables might not be voltage compatible or their connector sizes may be different Connect the 10 pin PROG connector of the programming cable to header J1 on the OP7200 s RabbitCore module Ensure that the colored edge lines up with pin 1 as shown Do not use the DIAG connector which is used for monitoring only Connect the other end of the programming cable to a COM port on your PC Make a note of the port to which you connect the cable as Dynamic C will need to have this parameter configured Note that COM on the PC is the default COM port used by Dynamic C NOTE Never disconnect the programming cable by pulling on the ribbon cable Carefully pull on the connector to remove it from the header Colored edge To PC COM port Programming Cable Red shrink wrap mii lea eC Figure 3 Programming Cable Connections NOTE Some PCs now come equipped only with a USB port It may be possible to use an RS 232 USB converter Part No 20 151 0178 with the programming cable supplied with the OP7200 Tool Kit Note that not all RS 232 USB converters work with Dynamic C 12 eDisplay OP7200 2 4 Installing Dynamic C If you have not yet installed Dynamic C version 7 30 or a later version do so now by inserting the Dynamic C CD from the OP7200 To
122. offset constants are calculated and placed into the global table adcCalibTS PARAMETERS X1 is the x coordinate of the upper left hand corner of the touchscreen y1 is the y coordinate of the upper left hand corner of the touchscreen X2 is the x coordinate of the lower right hand corner of the touchscreen y2 is the y coordinate of the lower right hand corner of the touchscreen RETURN VALUE 0 if sucessful 1 if not able to make calibration constants SEE ALSO TsCalibEERd TsCalibEEWr TsXYvector brdInit Reads the calibration constants gain and offset from the simulated EEPROM in flash The constants are stored in the top 1K of the reserved user block memory area Use the sample program USERBLOCKINFOR C in SAMPLES OP7200 to get the addresses reserved for the calibration data constants and the addresses available for use by your application program RETURN VALUE 0 if sucessful 1 if invalid address or range SEE ALSO TsCalib TsCalibEEWr TsXYvector brdIinit Writes the calibration constants gain and offset to the simulated EEPROM in flash The constants are stored in the top 1K of the reserved user block memory area Use the sample program USERBLOCKINFOR C in SAMPLES OP7200 to get the addresses reserved for the calibration data constants and the addresses available for use by your application program RETURN VALUE 0 if sucessful 1 if invalid address or range SEE ALSO TsCalib TsCalibEERd TsXYvector brdInit 108 eDispl
123. ol Kit in your PC s CD ROM drive The CD will auto install unless you have disabled auto install on your PC If the CD does not auto install click Start gt Run from the Windows Start button and browse for the Dynamic C setup exe file on your CD drive Click OK to begin the installation once you have selected the setup exe file The online documentation is installed along with Dynamic C and an icon for the docu mentation menu is placed on the workstation s desktop Double click this icon to reach the menu If the icon is missing create a new desktop icon that points to default htm in the docs folder found in the Dynamic C installation folder The latest versions of all documents are always available for free unregistered download from our web sites as well The Dynamic C User s Manual provides detailed instructions for the installation of Dynamic C and any future upgrades NOTE If you have an earlier version of Dynamic C already installed the default instal lation of the later version will be in a different folder and a separate icon will appear on your desktop 2 5 Starting Dynamic C Once the OP7200 is connected to your PC and to a power source start Dynamic C by double clicking the Dynamic C icon on your desktop or in your Start menu Dynamic C uses the serial port specified during installation If you are using a USB port to connect your PC to the OP7200 choose Options gt Project Options and check Use USB to Seri
124. olled window will be filled in with white pixels The window must be byte aligned Parameters will be verified for the following 1 The Left and column parameters will be verified that they are evenly divisible by 8 If not they will be changed to be a value that is a multiple of 8 2 Parameters will be checked to verify that the scrolling area is valid The minimum scrolling area is a width of 8 pixels and a height of one row PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window nPix is the number of pixels to scroll within the defined window negative value to scroll left SEE ALSO glVScroll Scrolls byte aligned window up one pixel bottom row filled by current pixel type color PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window SEE ALSO glVScroll glDownl Scrolls byte aligned window down one pixel top row filled by current pixel type color PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the n
125. on the OP7200 LCD display When x and y coordinates on the display screen are specified x can range from 0 to 319 and y can range from 0 to 239 These numbers represent pixels counted from the top left corner of the display Initializes a menu structure with the required parameters to automatically build and display a text menu when the g Menu function is executed PARAMETERS menu is a pointer to the windowMenu descriptor pFont is a pointer to the FontIn o descriptor border describes the menu border options 0 NO_BORDER no border drawn 1 SINGLE_ LINE draw a single line border around the text menu 2 DOUBLE LINE draw a double line border around the text menu shadow describes the menu shadow options 0 NO_ SHADOW no shadowing provided 1 SHADOWING shadowing is provided on the menu menu options isa pointer to the list of menu options here is an example of a list of options for the menu system Menu options set as needed for your application const char main menu 1 Increase Menu size 2 Decrease Menu size 3 Backlight menu ye It is possible to insert or delete menu options The highlight bar is set up to start with the first menu option and stop at the last menu option in the menu When adding or deleting menu options you must match up the case statements to the menu option number title is the menu title ASCII string title null string no title maxOptDisplayed indicates the maxim
126. ong as the master asserts the select signal User s Manual 153 D 3 Function Calls The function calls described in this section are used with all RabbitNet peripheral boards and are available in the RNET LIB library in the Dynamic C RABBITNET folder If you are planning to use any of the RS 232 serial ports and the RabbitNet port on the OP7200 initialize the serial port s before you initialize the RabbitNet port The follow ing sample code illustrates this sequence Initialize Serial Port C set baud rate to 19200 serCopen 19200 serCwrFlush serCrdFlush Initialize Serial Port D set baud rate to 19200 serDopen 19200 serDwrFlush serDrdFlush Set serial mode must be done after serXopen function s and before Rabbitnet initialization serMode 0 Initialize RabbitNet port rn_init RN_PORTS 1 Resets initializes or disables a specified RabbitNet port on the master single board computer During initialization the network is enumerated and relevant tables are filled in If the port is already initialized calling this function forces a re enumeration of all devices on that port Call this function first before using other RabbitNet functions PARAMETERS portflag is a bit that represents a RabbitNet port on the master single board computer from 0 to the maximum number of ports A set bit requires a service If port flag 0x03 both RabbitNet ports 0 and 1 will need to be s
127. ort of the RabbitCore module to a PC serial COM port The programming cable converts the RS 232 voltage levels used by the PC serial port to the TTL voltage levels used by the Rabbit 2000 When the PROG connector on the programming cable is connected to the RabbitCore module s programming header programs can be downloaded and debugged over the serial interface The DIAG connector of the programming cable may be used on the programming header of the RabbitCore module with the module operating in the Run Mode This allows the pro gramming port to be used as a regular serial port 3 10 1 Changing Between Program Mode and Run Mode The OP7200 is automatically in Program Mode when the PROG connector on the pro gramming cable is attached to the RabbitCore module and is automatically in Run Mode when no programming cable is attached When the Rabbit 2000 is reset the operating mode is determined by the status of the SMODE pins When the programming cable s PROG connector is attached the SMODE pins are pulled high placing the Rabbit 2000 in the Program Mode When the programming cable s PROG connector is not attached the SMODE pins are pulled low causing the Rabbit 2000 to operate in the Run Mode Program Mode Run Mode Colored edge uod WO9 Od oL Programming Cable RESET OP7200 when changing mode Cycle power off on after removing or attaching programming cable Figure 21 OP7200 Program Mode and Run Mode Set
128. play OP7200 A 4 Use of Rabbit 2000 Parallel Ports Figure A 5 shows the Rabbit 2000 parallel ports PBO PB2 PDO PD1 PA0 PA7 PB4 PB5 PB7 PD5 PD2 PD4 Port B Port D RABBIT 2000 Serial Ports C amp D Port Real Time Clock A0 A3 Address Lines V0 Control ian Programming Serial Port A 2 more inputs 4 Ethernet signals Ethernet 2 LED outputs Port Watchdog Bata ata Lines RESET E Misc I O Slave Port D0 D7 Clock Doubler Backup Battery Support Figure A 5 OP7200 Rabbit Based Subsystems Table A 3 lists the Rabbit 2000 parallel ports and their use in the OP7200 Table A 3 Use of Rabbit 2000 Parallel Ports Port VO Signal Notes PAO Input INOO Pulled up to Vcc PAI Input INO1 Pulled up to Vcc PA2 Input IN02 Pulled up to Vcc PA3 Input IN03 Pulled up to Vcc PA4 Input INO4 Pulled up to Vcc PA5 Input INO5 Pulled up to Vcc PA6 Input IN06 Pulled up to Vcc PA7 Input INO7 Pulled up to Vcc PBO Input SS_CLK Pulled up to Vcc PB1 Input Programming Port Clock Pulled up to Vcc PB2 Input SS_CS Pulled up to Vcc PB3 Input SS_Mode Pulled up to Vcc PB4 Input Touchscreen status Pulled up to Vcc PB5 Input ADC_SDO Pulled up to Vcc PB6 Output Not Used High PB7 Output Microprocessor Bad LED High User s Manual 135 Table A 3 Use of Rabbit 2000 Parallel Ports continued
129. plishes this task for the SRAM s chip select signal line In a powered up condition the CS control circuit must allow the processor s chip select signal CS1 to control the SRAM s CS signal CSRAM So with power applied CSRAM must be the same signal as CS1 and with power removed CSRAM must be held high but only needs to be battery voltage high Q3 and Q4 are MOSFET transistors with com plementary polarity They are both turned on when power is applied to the circuit They allow the CS signal to pass from the processor to the SRAM so that the processor can peri odically access the SRAM When power is removed from the circuit the transistors will turn off and isolate CSRAM from the processor The isolated CSRAM line has a 100 KQ pullup resistor to VRAM R28 This pullup resistor keeps CSRAM at the VRAM voltage level which under no power condition is the backup battery s regulated voltage at a little more than 2 V Transistors Q3 and Q4 are of opposite polarity so that a rail to rail voltage can be passed When the CS1 voltage is low Q3 will conduct When the CS1 voltage is high Q4 con ducts It takes time for the transistors to turn on creating a propagation delay This propa gation delay is typically very small about 10 ns to 15 ns User s Manual 145 146 eDisplay OP7200 APPENDIX C DEMONSTRATION BOARD CONNECTIONS Appendix C shows how to connect the Demonstration Board to the OP7200 C 1 Connecting
130. ppendix D RabbitNet 151 Dl General RabbitNet Descriptions i secdisescedessevenesses sy es esee Eoaea Ee EESE e TEENE tees RESES 151 D 1 1 RabbitNet Connections norenoseei isi i e EA E E EE EAE RESY 151 D12 RabbitNet Peripheral Cards t bererin oiee AE EE E A AE E E EE EAS 152 D 2 Physical Implementation sisone n a E a E a A r e EE aT 153 D 2 1 Control and Routing r ae a e su eee a eE Eae e a Ea E e alEO ana S EaI Haane 153 D Function Calsina o a a E a a E E e E E E EE S 154 D31 Status Byte neira arrana ure eirese r En r nr TEE EEEE EE ETATE EAEE TEE Er EEEE 160 Index 161 Schematics 165 User s Manual eDisplay OP7200 1 INTRODUCTION The OP7200 intelligent operator interface is a small high performance C programmable data acquisition and display unit that offers built in I O Ethernet connectivity and an optional touchscreen The OP7200 can be used in a control system with RabbitNet expansion I O cards A Rabbit 2000 microprocessor operating at 22 1 MHz provides fast data processing The OP7200 is designed for panel mounting and is NEMA 4 compatible The OP7200 incorporates the powerful Rabbit 2000 microprocessor flash memory static RAM industrialized digi tal I O ports RS 232 RS 485 serial ports a 10 100 compatible Ethernet port and eight optional A D converter inputs and touchscreen 1 1 Features e Small size 4 4 x 5 7 x 1 7 112 mm x 144 mm x 43 mm e 14 VGA LCM display 320 x 240 pixels with w
131. r channel or as sourcing up to 250 mA per channel Figure 9 shows a wiring diagram for using the digital outputs in a sinking or a souring configuration SINKING OUTPUTS K si i OUT External CPLD Power SINK Supply CONTROL a SIGNAL GND SOURCING OUTPUTS K Q External CPLD Power OUT CONTROL t T Sy SIGNAL x von S Fn GND Figure 9 OP7200 Digital Outputs All the digital outputs are in the high impedance tristate when the OP7200 is initially powered on or reset The CPLD U4 then enables either the sink control or the source control to operate the digital outputs as sinking or sourcing and thereby serves as a hard ware block to prevent both sinking and sourcing drivers from being activated at the same time in a given channel Although the components are not installed there is provision on the circuit board for the dig ital outputs to be pulled as a group to Vcc K or to GND through 27 KQ resistors In spe cial circumstances you may need to pull sinking outputs high to either Vcc or K or you may need to pull sourcing outputs to GND for example when driving low level logic sig nals Pulling the digital outputs up to K allows the current sinking outputs to be used as voltage outputs where their upper level is controlled by the voltage of K OP7200 series 22 eDisplay OP7200 boards can be made to order in volume with the digital outputs pulled up to
132. rLocation 92 eDisplay OP7200 Clears the entire area within the specified text window PARAMETER wPtr is a pointer to the window frame descriptor SEE ALSO TextGotoxXY TextPrintf TextWindowFrame TextCursorLocation Returns the maximum number of characters that can be displayed within the text window The Tex tWindowFrame function must be executed before running this function PARAMETER wPtr is a pointer to the window frame descriptor RETURN VALUE The maximum number of characters that can be displayed within the text window SEE ALSO TextGotoxY TextPrintf TextWindowFrame TextCursorLocation User s Manual 93 4 5 6 3 LCD Screen Control The SED1335F LI1B library in the DISPLAYS GRAPHIC 320x240 directory provides low level drivers for the SED1335F graphic chip NOTE Remember to call g1Init from GRAPHIC LIB before calling any of the func tions described in this section Enables disables the graphic animation mode The animation mode is defaulted OFF when the graphic driver is executed NOTE The animation mode is intended to be used for special effects only Raster lines may appear in your display image when this mode is turned on PARAMETER 0 animation mode disabled 1 animation mode enabled SEE ALSO GRAPHIC LIB Enables disables the real time mode for the g 1PLotDot function The g 1PlotDot real time mode is defaulted OFF when the graphic driver is executed PARAMETER 0 real time mode disa
133. rate and input voltage immunity required to meet the RS 232 serial communication protocol Basically the chip translates the Rabbit 2000 s CMOS TTL signals to RS 232 signal levels Note that the polarity is reversed in an RS 232 circuit so that a 5 V output becomes approximately 10 V and O V is output as 10 V The RS 232 transceiver also provides the proper line loading for reliable commu nication RS 232 can be used effectively at the OP7200 s maximum baud rate for distances of up to 15 m If you are planning to use any of the RS 232 serial ports and the RabbitNet port on the OP7200 initialize the serial port s before you initialize the RabbitNet port Section 4 5 4 provides some sample code to illustrates the sequence 3 5 2 RS 485 The OP7200 has one RS 485 serial channel which is connected to the Rabbit 2000 Serial Port B through an RS 485 transceiver The half duplex communication uses an output from the CPLD U4 to control the transmit enable on the communication line Using this scheme a strict master slave relationship must exist between devices to insure that no two devices attempt to drive the bus simultaneously The OP7200 can be used in an RS 485 multidrop network spanning up to 1200 m 4000 ft and there can be as many as 32 attached devices Connect the 485 to 485 and 485 to 485 using single twisted pair wires as shown in Figure 15 Note that a common ground is recommended Figure 15 OP7200 Multidrop Network
134. rcing OUT1 OUNT6 are sinking SEE ALSO brdInit digIn digOut triStateConfig digOutTriState Sets the state of a digital output OUTO OUT7 The output channel is set to the state that is specified If the output is configured as sinking set to 0 for the driver to be sinking or set to 1 for the driver to be OFF high impedance state If the output is con figured as sourcing set to 0 for the driver to be OFF high impedance state or set to 1 for the driver to be sourcing Remember to call brdInit and digOutConfig before executing this function A runtime error will occur for the following conditions 1 channel or state out of range 2 brdInit or digOutConfig was not executed before executing digOut 3 Your tried to use a channel configured as a tri state output PARAMETERS channel is the output channel number 0 7 state is the output value 0 or 1 SEE ALSO brdInit digOutConfig triStateConfig digOutTriState User s Manual 59 Allows a given channel to be configured as a tristate type output When a channel is configured as a tristate output then digOutTriState can be used to control that channel A run time error will occur for the following conditions 1 digOut is disabled from controlling any channel that is configured as a tristate output 2 brdInit was not executed before executing digTriStateConfig PARAMETER triState is an 8 bit parameter where each bit corresponds to a high current output Bit 7 OUT
135. return respectively will be printed if they exist in the font set but will not have any effect as control characters Any portion of the bitmap character that is outside the LCD display area will be clipped PARAMETERS x is the x coordinate column of the upper left corner of the text y is the y coordinate row of the left top corner of the text pInfo is a pointer to the window frame descriptor fmt is a formatted string e is a formatted string of conversion parameter s EXAMPLE glprintf 0 0 amp 112x16 Test d n count SEE ALSO glXFontIinit Sets the g1Print printing step direction The x and y step directions are independent signed val ues The actual step increments depend on the height and width of the font being displayed which are multiplied by the step values Use g1GetP Step to examine the current x and y printing step direction PARAMETERS stepX is the g1Printf x step value stepY is the glPrintf y step value SEE ALSO glGetPfStep Gets the current g 1Printf printing step direction Each step direction is independent of the other and is treated as an 8 bit signed value The actual step increments depends on the height and width of the font being displayed which are multiplied by the step values Use g1SetP Step to control the x and y printing step direction RETURN VALUE The x step is returned in the MSB and the y step is returned in the LSB of the integer result SEE ALSO glSe
136. rmine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the handle wdttype 0 enables both hardware and software watchdog timers 1 enables hardware watchdog timer 2 enables software watchdog timer RETURN VALUE The status byte from the previous command 1 means that device information indicates the peripheral board is not connected to the master SEE ALSO rn_hitwd rn_ sw wdt 158 eDisplay OP7200 Hits software watchdog Set the timeout period and enable the software watchdog prior to using this function This function will check device information to determine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the handle count is a pointer to return the present count of the software watchdog timer The equivalent time left in seconds can be determined from count x 0 025 seconds RETURN VALUE The status byte from the previous command 1 means that device information indicates the peripheral board is not connected to the master SEE ALSO rn_enable wdt rn_sw_wdt Reads the status of which reset occurred and whether any watchdogs are enabled PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the handle retdata is a pointer to the return address of the commun
137. rom electrostatic discharges the bezel must be connected to a protective ground via a low impedance path A protective building ground is recommended once the OP7200 is installed at the location where it will be used In addition to providing protection against an unexpected electric shock the connection to building ground also mitigates any problems from external elec trostatic discharges and transients and dampens any RF emissions The metal case is already connected electrically to the bezel and so does not require a sep arate ground connection The recommended way to connect an OP7200 to a building ground is to mount the unit in a metal panel that is already grounded Use a wire with a size of at least 20AWG 0 5 mm preferably stranded to establish a connection between one of the screws holding the back cover in place and the protective building ground This wire should be as short as possible to keep its impedance low There is an electrical connection between the OP7200 bezel casing and the connections marked GND or AGND on the OP7200 headers This connection is the return for the I O signals and should not be used for a protective ground connection User s Manual 121 6 2 Installation Guidelines When possible following these guidelines when mounting an OP7200 1 2 Leave sufficient ventilation space at least 1 2 cm around the unit on all sides Do not install the OP7200 directly above machinery that rad
138. rtnum 0 RETURN VALUE None User s Manual 111 This is a macro that enables or asserts the OP7200 RabbitNet port select prior to data transfer PARAMETERS portnum RETURN VALUE None This is a macro that disables or deasserts the OP7200 RabbitNet port select to invalidate data transfer PARAMETERS portnum RETURN VALUE None 112 eDisplay OP7200 E 5 USING THE TCP IP FEATURES Chapter 5 discusses using the TCP IP features on the OP7200 boards 5 1 TCP IP Connections Before proceeding you will need to have the following items e If you don t have an Ethernet connection you will need to install a 10Base T Ethernet card available from your favorite computer supplier in your PC e Two RJ 45 straight through Ethernet cables and a hub or an RJ 45 crossover Ethernet cable The Ethernet cables and Ethernet hub are available from Rabbit in a TCP IP tool kit More information is available at www rabbit com 1 Connect the AC adapter and the programming cable as shown in Chapter 2 Getting Started 2 Ethernet Connections e Ifyou do not have access to an Ethernet network use a crossover Ethernet cable to con nect the OP7200 to a PC that at least has a 10Base T Ethernet card e If you have an Ethernet connection use a straight through Ethernet cable to establish an Ethernet connection to the OP7200 from an Ethernet hub These connections are shown in Figure 22 OP7200 OP720
139. set of calibration constants is provided for each of the eight input channels The differential mode routines use a pair of input channels to make measurements In this case calibration constants are stored for each pair of channels and for each of the eight gains for a total of 32 sets of calibration constants When a calibration is performed it fills in one of the squares in the table with a set of cal ibration constants representing the corresponding mode channel and gain These con stants are stored in flash memory and are thus maintained even when power is been removed from the OP7200 Note that calibration constants are stored for each of the modes Since A D converter read routines select the appropriate calibration constants based on the mode it is possible for software calls to move from one mode to another without recalibration 3 4 3 3 Calibration Recommendations It is imperative that you calibrate each of the A D converter inputs in the same manner as they are to be used in the application For example if you will be performing floating dif ferential measurements or differential measurements using a common analog ground then calibrate the A D converter in the corresponding manner The calibration must be done with the attenuator reference selection jumper in the desired position see Figure 11 If a User s Manual 29 calibration is performed and the jumper is subsequently moved the corresponding input s must be reca
140. stored RETURN VALUE 1 when completed SEE ALSO btnRecall btnInit btnCreateText btnCreateBitmap User s Manual 99 Retrieves a btnData structure that was stored in xmem SRAM This is function is normally called by the other functions as needed PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors BtnID is the button ID number to retrieve from xmem RETURN VALUE 1 when completed SEE ALSO btnStore btnInit btnDisplay btnDisplayLevel btnClear btnClearLevel 100 eDisplay OP7200 Creates a button with a text label PARAMETERS xmemPtr is the xmem address of the pointer to an array of button descriptors Btn ID is the button ID number of the button being created xStart is the coordinate of the starting horizontal pixel yStart is the coordinate of the starting vertical pixel xSize is the horizontal size of the button ySize is the vertical size of the button Attribs are the button attributes bit 0 1 oval shaped 0 square shaped bit 1 to 7 reserved Level is the level to associate the button with buttons with the same level can be displayed together using the function btnDisplayLevel or they can be removed together using the function btnClearLevel bFont is a pointer to the font descriptor Text is a pointer to the text to display centered in the button RETURN VALUE 1 when completed EXAMPLE The text displayed can be multiline by inserting n within the t
141. sy electromagnetic environments While the OP7200 meets the EN61000 4 2 ESD requirements in that it can withstand contact discharges of 4 kV and air discharges of 8 kV it is the responsibility of the end user to use proper ESD precautions to prevent ESD damage when installing or ser vicing the OP7200 To meet electromagnetic compatibility requirements and in particular to prevent mis operation or damage from electrostatic discharges connect the bezel to a protective ground via a low impedance path as explained in Section 6 1 Safety For personal safety all inputs and outputs to and from the OP7200 must not be con nected to voltages exceeding SELV levels 42 4 V AC peak or 60 V DC Damage to the Rabbit 2000 microprocessor may result if voltages outside the design range of 0 V to 5 5 V DC are applied directly to any of its digital inputs The lithium backup battery circuit on the OP7200 has been designed to protect the bat tery from hazardous conditions such as reverse charging and excessive current flows Do not disable the safety features of the design 1 4 2 Interfacing the OP7200 to Other Devices Since the OP7200 operator control panels are designed to be connected to other devices good EMC practices should be followed to ensure compliance CE compliance is ulti mately the responsibility of the integrator Additional information tips and technical assistance are available from your authorized Rabbit distributor and are
142. t based on its designated channel code position from global table _adcCalib The constants are stored in the top 1K of the reserved user block memory area Use the sample program USERBLOCKINFOR C in SAMPLES OP7200 to get the addresses reserved for the calibration data constants and the addresses available for use by your program NOTE This function cannot be run in RAM channel is the analog input channel number 0 to 7 corresponding to AINO AIN7 channel Single Ended Input Differential Input 0 AINO AINO AIN1 1 AIN1 2 AIN2 AIN2 AIN3 3 AIN3 4 AIN4 AIN4 AINS 5 AIN5 6 AIN6 AIN6 AIN7 7 AIN7 1 ALL CHANNELS ALL CHANNELS opmode is the mode of operation 0 SE MODE single ended input line 1 DIFF MODE differential input line 2 mAMP MODE 4 20 mA input line gaincode is the gain code of 0 to 7 for both single ended and differential measurements Gain Code Macro Gain 0 GAIN X1 xl 1 GAIN _X2 x2 2 GAIN _X4 x4 3 GAIN _X5 x5 4 GAIN_X8 x8 5 GAIN_X10 x10 6 GAIN X16 x16 7 GAIN_ X20 x20 User s Manual 73 RETURN VALUE 0 if successful 1 if address is invalid or out of range SEE ALSO anaInEERd brdInit 74 eDisplay OP7200 4 5 6 Graphic Display Functions 4 5 6 1 On Screen Menus The GLMENU LIB library in the LIB DISPLAYS GRAPHIC directory provides function calls to display menus
143. t network Serial Port B is configured as a clocked serial port and the RS 485 chip drives the RabbitNet port the OP7200 then cannot be used for RS 485 serial communication All four serial ports operate in an asynchronous mode up to the baud rate of the system clock divided by 32 An asynchronous port can handle 7 or 8 data bits A 9th bit address scheme where an additional bit is sent to mark the first byte of a message is also sup ported Serial Port A the programming port and Serial Port B can be operated alternately in the clocked serial mode In this mode a clock line synchronously clocks the data in or out Either of the two communicating devices can supply the clock When the Rabbit pro vides the clock the baud rate can be up to 1 4 of the system clock frequency or more than 5 525 Mbps for a 22 1 MHz clock speed The OP7200 boards use all four serial ports Serial Port A is used in the clocked serial mode to provide cold boot download and emulation functions Serial Port B is used either for RS 485 or for RabbitNet communication and Serial Ports C and D are used for RS 232 communication The OP7200 uses an 11 0592 MHz crystal which is doubled to 22 1184 MHz At this frequency the OP7200 supports standard asynchronous baud rates up to a maximum of 230 400 bps User s Manual 33 3 5 1 RS 232 The OP7200 RS 232 serial communication is supported by an RS 232 transceiver This transceiver provides the voltage output slew
144. tPfStep 84 eDisplay OP7200 Returns the xmem address of a character from the specified font set PARAMETERS pinfo is the xmem address of the bitmap font set latter is an ASCII character RETURN VALUE The xmem address of the bitmap character font column major and byte aligned SEE ALSO glPutFont glPrintf Puts an entry from the font table to the page buffer and on the LCD if the buffer is unlocked Each font character s bitmap is column major and byte aligned Any portion of the bitmap character that is outside the LCD display area will be clipped PARAMETERS x is the x coordinate column of the upper left corner of the text y is the y coordinate row of the left top corner of the text pinfo is a pointer to the window frame descriptor code is the ASCII character to display SEE ALSO glFontCharAddr glPrintf Provides an interface between the STDIO string handling functions and the graphic library The STDIO string formatting function will call this function one character at a time until the entire format ted string has been parsed Any portion of the bitmap character that is outside the LCD display area will be clipped PARAMETERS Ch is the character to be displayed on the LCD ptr is not used and is a place holder due to the STDIO string functions ent is not used and is a place holder due to the STDIO string functions pInfo is a pointer to the window frame descriptor SEE ALSO glPrintf glPutFont Us
145. the A D conversions Ideally there would be a one to one straight line relationship between the input voltage and the output of the A D converter and a graph of such a line would have a slope of 1 and would pass through the 0 0 coordinate However the errors arising from manufacturing tolerances introduce a deviation between the applied input voltage and the voltage that is output by the A D converter The actual plot of voltage in vs the voltage out from A D converter is not actually a straight line However a straight line is a very good first order approximation and the calibration rou tines provided for the OP7200 are based on a straight line with a slope of 1 and an offset from 0 0 The calibration routines use two known measurement points on the voltage in vs voltage out line as the basis to calculate calibration constants that will be used to adjust for the slope of the line and the offset from 0 0 The calibration routines typically use input voltage points that are 10 less then the maximum and 10 more than the mini mum readings possible for the A D converter on any given range Quality calibration procedures are extremely important in obtaining good A D converter results No matter how high a resolution the A D converter has it cannot compensate for improper calibration A D converter results will never be more accurate than the meter used in the calibration process Therefore use the best digital volt and milli amp meter availab
146. tput SDONNNSRSGYEDY Figure 10 K Power Supply and Sample Load Connections User s Manual 23 3 4 Analog Features OP7200 only The single A D converter used in the OP7200 the OP7210 does not have analog or touch screen capabilities has a resolution of 11 bits single ended mode or 12 bits differential mode There are eight channels of A D conversion and the OP7200 also has provision for up to four digital inputs Three of the four digital inputs are available on screw terminal header J2 The fourth digital input serves as a board status bit and is controlled by a 0 Q surface mount resistor R159 The factory default is for R159 to not be installed which leaves this fourth input pulled up to Vcc 3 4 1 A D Converter Inputs Figure 11 shows a pair of A D converter input circuits Each A D converter input consists of resistors and a capacitor The resistors form al0 1 attenuator and the capacitor protects the A D converter input against electrostatic discharges V 180 kQ gt AINO NINA e e ADC AIN1 INVA o C gt 180 kQ iil le L amp e gt 2 048 V K AGND Factory L Default 20 KQ 20 kQ Figure 11 A D Converter Inputs 24 eDisplay OP7200 The A D converter chip can make either single ended or differential measurements depending on the value of the opmode parameter in the software function call Adjacent A D converter inputs are pa
147. ts 0x03 search ports 0 and 1 newdev serialnum E3446CO1L handle rn_find amp newdev RETURN VALUE Returns the handle of the first device matching the criteria 0 indicates no such devices were found SEE ALSO rn_device User s Manual 155 The peripheral board sends back the character the master sent This function will check device information to determine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device or rn_find to establish the handle sendecho is the character to echo back recdata is a pointer to the return address of the character from the device RETURN VALUE The status byte from the previous command 1 means that device information indicates the peripheral board is not connected to the master Writes a string to the specified device and register Waits for results This function will check device infor mation to determine that the peripheral board is connected to a master PARAMETERS handle is an address index to device information Use rn_device orrn_find to establish the handle regno is the command register number as designated by each device data is a pointer to the address of the string to write to the device datalen is the number of bytes to write 0 15 NOTE A data length of 0 will transmit the one byte command register number RETURN VALUE The status byte from the previous command 1 means that dev
148. ts C and Sseeoecoscsecs D The serial data received are displayed in the Too noo STDIO window To set up the OP7200 you will need to tie TxC and RxD together on the screw terminal header at J10 and you will also tie TxD and RxC together as shown in the diagram RELAYCHR C This program echoes charac ters to or from a serial utility such as Hyper sSsecececeoocece Terminal or Tera Term TiTTwThewa To set up the OP7200 you will need to tie TxC and RxD together on the screw terminal header at J10 Then connect your PC COM port to screw terminal header J10 as follows gt PC Tx to RxC on J10 gt PC Rx to TxD on J10 gt PC GND to GND on J10 GND DTR 0 Tx out On Rx in DCD 5 4 1 o O RING o CTS 20 RTS x0 DSR 20 Set up HyperTerminal or Tera Term as follows 19200 bps 8 data bits no parity 1 stop bit and no flow control Here are a few additional settings if you are using Tera Term gt Disable Local Echo in the Terminal setup gt Enable the receive and line feed options CR LF under New line in the Terminal setup Now when you type characters in the HyperTerminal or Tera Term window they will appear in the window because they are being echoed back by the sample program Two sample programs MASTER C and SLAVE C are available in the RS485 subdirectory in SAMPLES OP7200 to illustrate RS 485 master slave communication To run these sample programs you will need a second Rabbit based
149. ual switching point between a zero and a one is 1 5 V max and 3 5 V min respectively The range between 1 5 and 3 5 V is undefined For IN8 IN15 the actual switching point between a zero and a one is 0 8 V max and 2 0 V min respectively The range between 0 8 and 2 0 V is undefined For IN16 IN17 which are available only on the OP7200 model the actual switching point between a zero and a one is 0 8 V max and 3 5 V min respectively The range between 0 8 V and 3 5 V is undefined Therefore the input voltage must be less than 0 8 V for all the digital inputs as a group to ensure that a zero is being read and the input voltage must be must be greater than 3 5 V for a one IN16 IN18 interface to the A D converter chip serially with an access time of 100 us which is different from the access time of 5 us for INO IN15 which interface in parallel with the Rabbit 2000 microprocessor 20 eDisplay OP7200 The digital inputs are each fully protected over a range of 36 V to 36 V and can handle short spikes of 40 V Digital Input Voltage Normal Switching Levels Spikes 40 V Spikes 36 V i 3 3 V H 40 V Spikes Figure 8 OP7200 Digital Input Protected Range User s Manual 21 3 3 2 Digital Outputs The OP7200 has eight digital outputs OUTO OUT7 which are individually configurable with the digoutConfig or digoutTriStateConfig software function calls as sinking up to 350 mA pe
150. um number of options to be displayed by the menu 1 forces all options to be displayed gt 0 menu box will only display the number of options indicated which will require the user to use the scroll keys to bring an option into the menu box view area for the selection User s Manual 75 RETURN VALUE 0 success 1 border parameter value is invalid SEE ALSO glMenu glMenuClear glRefreshMenu Displays a menu on the LCD display and get the menu options from the user NOTE This function will display an error message on the LCD if the menu width or height exceeds the LCD display boundaries PARAMETERS mPtr is a pointer to structure that contains the information for the menu state is a pointer to the menu control parameter The state parameters are as follows 0 MENU_ INIT initialize and display menu 1 MENU_NO CHANGE return to selected option no changes to menu or highlight bar 2 MENU _REFRESH display the last image of the menu including the location of the highlight bar x is the x coordinate of where the text menu is to start y is the y coordinate of where the text menu is to start RETURN VALUE 0 no option is selected gt 0 option the user has selected 1 menu has exceeded LCD screen width 2 menu has exceeded LCD screen height SEE ALSO glMenuInit glMenuClear glRefreshMenu Refreshes the menu indicated by the WindowMenu pointer PARAMETER mPtr is awindowMenu descriptor pointer RETURN VALUE
151. umber of rows in the window SEE ALSO glvScroll glUpl User s Manual 89 Scrolls up or down within the defined window by nPix number of pixels The opposite edge of the scrolled window will be filled in with white pixels The window must be byte aligned Parameters will be verified for the following 1 The Left and column parameters will be verified that they are evenly divisible by 8 If not they will be changed to be a value that is a multiple of 8 2 Parameters will be checked to verify that the scrolling area is valid The minimum scrolling area is a width of 8 pixels and a height of one row PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window nPix is the number of pixels to scroll within the defined window negative value to scroll up SEE ALSO glHScroll Draws bitmap in the specified space The data for the bitmap are stored in xmem This function automat ically calls g LXPutFastmap if the bitmap is byte aligned left edge and width are each evenly divis ible by 8 Any portion of a bitmap image or character that is outside the LCD display area will be clipped PARAMETERS left is the upper left corner of bitmap must be evenly divisible by 8 top is the left top corner of the bitmap width is the width of the bitmap height is th
152. upport for the latest patches workarounds and bug fixes The default installation of a patch or bug fix is to install the file in a directory folder dif ferent from that of the original Dynamic C installation Rabbit recommends using a differ ent directory so that you can verify the operation of the patch without overwriting the existing Dynamic C installation If you have made any changes to the BIOS or to libraries or if you have programs in the old directory folder make these same changes to the BIOS or libraries in the new directory containing the patch Do not simply copy over an entire file since you may overwrite a bug fix of course you may copy over any programs you have written Once you are sure the new patch works entirely to your satisfaction you may retire the existing installation but keep it available to handle legacy applications 4 1 1 2 Upgrades Dynamic C installations are designed for use with the board they are included with and are included at no charge as part of our low cost kits Dynamic C is a complete software development system but does not include all the Dynamic C features Rabbit also offers add on Dynamic C modules containing the popular WC OS II real time operating system as well as PPP Advanced Encryption Standard AES and other select libraries In addi tion to the Web based technical support included at no extra charge a one year telephone based technical support module is also available for pur
153. uses it to become selected and respond to commands received from the master The signals themselves are differential RS 422 which are series terminated at the source With this type of termination the maximum frequency is limited by the round trip delay time of the cable Although a peripheral board could theoretically be up to 45 m 150 ft from the master for a data rate of 1 MHz Rabbit recommends a practical limit of 10 m 33 ft Connections between peripheral boards and masters are done using standard 8 conductor Ethernet cables Masters and peripheral cards are equipped with RJ 45 8 pin female con nectors The cables are nonpolarized in that they may be swapped end for end without affecting any functionality D 2 1 Control and Routing Control starts at the master when the master asserts the slave select signal SS Then it simultaneously sends a serial command and clock The first byte of a command contains the address of the peripheral card if more than one peripheral card is connected A peripheral card assumes it is selected as soon as it receives the select signal For direct master to peripheral card connections this is as soon as the master asserts the select signal The connection is established once the select signal reaches the addressed slave At this point communication between the master and the selected peripheral card is estab lished and data can flow in both directions simultaneously The connection is maintained so l
154. utside this range could damage the OP7200 CAUTION Unplug the power supply while you make or otherwise work with the connections to the screw terminal headers This will protect your OP7200 from inadvertent shorts or power spikes NOTE A hardware RESET is done by unplugging the AC adapter then plugging it back in You may also reset the OP7200 by grounding the reset input located on pin 5 of screw terminal header J10 10 eDisplay OP7200 2 2 Demonstration Program on Power Up A repeating sequence of graphics and menus will be displayed on the LCD when power is first applied to the OP7200 Press any of the five keypad buttons immediately below the LCD to select the corresponding demonstration When you are in a menu demo screen press the diamond shaped keypad button in the middle row to enter the menu choice that is highlighted or press the up and down keys above and below the diamond shaped key pad button to move around the menu Note that the programming cable should not be connected for this demonstration This demonstration will be replaced by a new program when the programming cable is attached and the new program is compiled and run The demonstration is available for future reference in the Dynamic C SAMPLES OP7200 directory as FUN C User s Manual 11 2 3 Programming Cable Connections Connect the programming cable to download programs from your PC and to program and debug the OP7200 NOTE Use only the programmi
155. y OP7200 A A D converter eceeeeeees 24 4 20 mA current measure MOMS sssssstecsdevsavececcedsavss 27 analog reference voltage ENE NANE E A 31 32 bipolar voltages 0 27 calibration constants board serial number 56 function calls ANAM a eest 65 analnCalib ee 66 anaInEER 71 analnEEWR 06 73 anaInmAmps 70 analInVolts cc eee 68 negative voltages 25 single ended measure MENS irissen 25 analog inputs See A D converter B battery connections 141 battery tab wee 15 board initialization function calls ee 58 brdInit occ eeeeeees 58 board serial number 56 C CE compliance oo eeeeeeeeeees 6 design guidelines 0 0 7 chip select circuit 0 0 145 connections Ethernet cable 113 D Demonstration Board hookup instructions 147 digital I O sample programs sadcadesd stented termes 148 demonstration program 11 digital I O function calls dipli ennenen 61 digOut wo 59 SMODEO oere 38 SMODE eee 38 digital inputs oe 20 digital outputs oe 21 pullup pulldown options 22 ISTAT ci eiieeii 22 dimensions OP7200 gcssieesvecevecncsvectieas 128 Dynamic C oe 4 48 add on modules 4 49 changing programming baud rate in BIOS naassen 13 debugging features 48 downloading updates 5
156. you may wish to develop Chapter 3 Subsystems provides a description of the OP7200 s features Chapter 4 Software describes the Dynamic C software libraries and introduces some sample pro grams Chapter 5 Using the TCP IP Features explains the TCP IP features 14 eDisplay OP7200 2 8 Remove Battery Tab The backup battery on the OP7200 has a plastic tab to protect the battery against discharg ing before the OP7200 is placed into service Although the battery is located inside the OP7200 s protective casing it is possible to reach the plastic tab using pliers or tweezers from the opening on the side of the OP7200 shown in Figure 4 CD ai a WW froc Figure 4 Remove Battery Tab NOTE Rabbit recommends that the battery tab not be removed until you are ready to place the OP7200 in normal service with regular power connected to header J3 The backup battery protects the contents of the SRAM and keeps the real time clock running when regular power to the OP7200 is interrupted If you plan to use the real time clock functionality in your application you will need to set the real time clock once you remove the plastic tab Set the real time clock using the onscreen prompts in the demon stration program Alternatively you may set the real time clock using the SETRTCKB C sample program from the Dynamic C SAMPLES RTCLOCK folder The RTC_TEST C sample program in the Dynamic C SAMPLES RTCLOCK folder provides a

eDisplay (OP7200) - Digi International

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