DVK512 User Manual
Contents
1. a otrr P O a x y gt we 3 gt es ee ee he Eee iste ws steerer eegeere H 4 i i i i i eS OL RN 6m Re PHpHnHHeReEeRHGT we PP he Fe He Pe Pe D b aeepuesee Figure 7 The connection between Logic Level Converter and DVK512 Enter the terminal and input root raspberrypi 8 LOGIC Press the KEYO KEY3 on the DVK512 and the relative LED will light up Press the keys to end the demo Joystick Demo Connect the Mix Board to the 8I Os interface Enter the terminal and input root raspberrypi JOYSTICK Test Press or move the joystick the terminal will show the action Notices When using the 3 5 inch LCD displayer the LCD displayer will disturb PO value read from the joystick while the joystick program will disturb the LCD touch as well 10 DVK512 User Manual P aveshare 2 5 Buzzer and PWM 1 2 3 Connect the Mix Board to the 8I Os interface Enter the terminal and input root raspberrypi Buzzer_PWM_ Test The buzzer on the Mix Board will buzz in 4 seconds 2 6 DS18B20 Demo 1 2 V2 5 Mar 6 2015 Connect the Mix Board to the 8I Os interface Insert the DS18B20 to the ON WIRE interface on Mix Board as Figure 8 shows moo fi mm te Ge amp Op Fy OD Ogag 99 F ita 4 E Taar i SpotPear Fe JER cox Fiai 4 E s nor a iain azor T oni aE wF n o ps pi i asn O1 Lan z j 5 l gt E 63 19 ELC 1 7 l D l 4 3 O2. sccsecsecseeseeeecseeeeeseeeees 8 1 7 HDMI display switch to 3 5 inch LCD display cccseceeceeceeceeceeceeeeeeeeeeees 8 1 8 PPS OUPCO toden onna a aa 8 2 DVK512 and expansion function DemMoOS sssssssessesessrserersrsrrsesersesersrserseserseseeserereene 9 2 1 LED DEMO Sr eats ve cos niece AA E T panetones 9 2 2 WEY DEMO iorra ea E A A A te 9 2 3 8 channel Logic Level Convertor Demo ssssssssesssessssesesesesrrsrsesesesersrsesene 9 2 4 Joystick DeMar a a sarin c ante Decree vaare 10 2 5 BUZZEr and PWM oa n tote vases aauisinres sua Bane san asguneaadaeesen tee 11 2 6 D51B20 DEM Onein E secant hacen ola T EA 11 2 7 lntraredremote Control oriana A A TE 12 2 8 LCDIGOZ DEMO roren AEEA A eet 13 2 9 PCES96 RTC DOING nesir a OE 13 2 10 PEFSS9T AD DEMO anno ne ince A hao vanetcatichoaactucacreereens 14 2 11 PCF8S9 TDA DEMO crrr T aud mancaoiannmeneramtenenees 15 2 12 Acceleration of Gravity and Magnetic Sensors LSM303DLHC c00 0 16 2 13 Angular rate Sensor L3G4200D seis hiss sinidacieiniattierersas ase een ae eee 18 2 14 OPS DEMO shea pice aies ech aie epee ees wee eet a ee a eat eae eee eee es 18 2 15 SB VIED CIO naia arrest Hie teus d cen ds tuindaaun ahi aiaedenme O A 19 3 V2 5 Mar 6 2015 DVK512 User Manual P iisieshcns 1 Basic operations 1 1 System image file programming 1 Run the CD provided with the module Then find out the file with the expansion name img under the directory of IM
3. Figure 8 Inserting the DS18B20 to the ON WIRE interface on Mix Board Dangerous Please make sure the DS18B20 is connected correctly The DS18B20 in wrong connection may generate a high temperature more than 100 C which may cause injuries when you touch it Figure 8 shows the correct connection between the DS18B20 and the Mix Board in which the DS18B20 should be placed according to the shape of the icon shown on the ONE WIRE interface of 11 DVK512 User Manual P aveshare 3 4 5 6 Mix Board Enter the terminal and input root raspberrypi modprobe w1 gpio root raspberrypi modprobe w1 therm root raspberrypi Is sys bus w1 devices hed Fri ir A GO T Ti it tm fo You will see a string like 28 O000066356bc get the last 7 numbers and letters They are different for each DS18B20 In this example it is 66356bc Enter the terminal and input root raspberrypi DS18B20 Test 66356bc The terminal will display the current temperature information 2 7 Infrared remote control 1 2 3 V2 5 Mar 6 2015 Connect the Mix Board to the 8I Os interface Connect the infrared receiver to the IRM interface on Mix Board as Figure 9 shows a Poja me me a a rin Ga we q Massel ba gt d Tad a ia Ts a a y a a e t A u Di were i TIR it i Ty me CLS AG SpotPear ee 0000060 sk COOeOOO 000800090 p 7 Figure
4. new calibration data displayed in the step 4 as Figure 6 shows V2 5 Mar 6 2015 DVK512 User Manual P iisveshats Ti t D Figure 6 Modifying the data of Option Calibration 7 Press the keys Ctrl X and select the option Y to save the modification 8 The modification will be valid after rebooting the system Enter the following command for system rebooting pi raspberrypi S sudo reboot Notices In case of inaccurate touch please perform screen calibration again and reboot the system 1 6 3 5 inch LCD display switch to HDMI display 1 The default boot mode of the system image described in the Section 1 1 selects 3 5 inch LCD display And there will be no output from the external HDMI displayer if you apply one under this mode In case that you want to use HDMI display please execute the following commands pi raspberrypi S sudo su root raspberrypi HDMI SYS SHOW 2 The system will load the driver And the Raspberry Pi will reboot automatically when the driver download finished After the module rebooted waiting more than 30 seconds there will be information display on the HDMI screen And then you will enter into Startx interface 1 7 HDMI display switch to 3 5 inch LCD display 1 Enter the terminal and input pi raspberrypi S sudo su root raspberrypi LCD35 SYS SHOW 2 The system will load the driver And the Raspberry Pi will reboot automatically when the driver download finished
5. 45DBXX Dataflash L8G4200D Board etc I2C interface easily connects to I2C modules such as PCF8574 Expansion Board PCF8563 RTC Board LSM303DLHC Board etc Character LCD interface for connecting character LCDs like LCD1602 USB connector USB TO UART supported by onboard converter CP2102 Power indicator User LEDs User Keys Potentiometer for LCD1602 contrast adjustment RTC battery holder PCF8563 onboard RTC chip 32 768K crystal RTC crystal CP2102 onboard USB TO UART chip for debugging CP2102 jumper RTC jumper User LEDs jumper User Keys jumper ar 6 2015 DVK512 User Manual WY ve hare Contents DV RS512 User MiG NUAN sticststg tens aencsmunelvnovnetetscateanaved a melt N 1 CO TIA sent cetacrnek woncae tates isn es E E EO mcaaeis tan O 1 REVISION MAISTO aanerer e TE ETO names aeeuesan pene ata arweessinaundony OT A A 1 COW OE VOW asic a casas a ATA E A T Aa 1 Ms BASC Oera ON ia a T dae mncataee E saan ee aaaea tate 4 1 1 Systemimage file program mMiNE orure ann a A A ee Peadageren 4 1 2 Serial debugging environment Geploying cscceecseceecseesecsceseeseeseeseeeeees 4 1 3 Debugging function disable Serial port services as common serial port 5 1 4 Debu ug me LUNCEIO NP CMa Dl Oks tcss doascsece Savtuenden dusesnecansioanveaadtevie N 6 1 5 How to work with a 3 5 inch LCD displayer ccceecseceeceeceeeeeeeeeeeeeeeeeeeees 6 1 6 3 5 inch LCD display switch to HDMI display
6. 9 Connecting the infrared receiver to the IRM interface on Mix Board Notices The infrared receiver should be placed according to the shape of the icon shown on the IRM interface of Mix Board as Figure 9 shows Enter the terminal and input root raspberrypi IRM 12 DVK512 User Manual Diisceshcnd 4 Press any key on the infrared remote controller provided by Waveshare The terminal will display the decoded infrared signal in hexadecimal format as Figure 10 shows tv mm i i Rk m mam pa Pa pa w w 6D a F4 F3 m o E Figure 10 Terminal displays the key pressed on the infrared remote controller 5 Press the keys to end the demo 2 8 LCD1602 Demo 1 Insert the LCD1602 into the LCD1602 interface on DVK512 as Figure 11 shows EREN POTET SR Miis VSSVDD VO RS RW E DO Di D2 D3 D4 D6 D j i S SAA GNO PS P4 GND pi AX TX GMD SU SU Figure 11 Inserting the LCD1602 into the LCD1602 interface on DVK512 2 Enter the terminal and input root raspberrypi LCD1602_Test 3 LCD1602 will display relative information If there is nothing shown please adjust the potentiometer on the LCD1602 The red box in Figure 11 shows the position of the potentiometer 2 9 PCF8563 RTC Demo 1 Set the jumpers on DVK512 Connect RTC_SDA to SDA Connect RTC_SCL to SCL 2 Install i2c tools If you have not installed i2c tools yet please enter the terminal and input root raspberrypi apt get install i2c t
7. AGE and copy it to your PC For the latest system image file please login the website http www waveshare net wiki DVK512 2 Format your TF card with the SDFormatter exe Notices The capability of TF card in used here should be more than 4GB In this Operation a TF card reader is also required which has to be purchased separately 3 Start the Win32Disklmager exe and select the system image file copied into your PC then click the button to program the system image file Win32 Disk Imager j Image File Device finstall raspberrypi 2013 05 25 wheezy raspbian img E Opy MUS Hash Progress Version U 6 Waiting for a task Figure 1 Programming the system image file with Win32Disklmager exe 1 2 Serial debugging environment deploying 1 Connect your PC to the UART TO USB interface on DVK512 via a mini USB cable Notices The USB part of the UART TO USB interface applied by DVK512 is a mini USB interface while the one on Raspberry Pi board is a micro USB interface Please take a note 2 Install the cp2102_ driver 3 Start the software PuTTY exe and configure the following parameters Serial line it is used to select corresponding serial port The serial port in used can be check by Device Manager Speed it is used to set the Baud rate 115200 Connection type this option should be set to Serial V2 5 Mar 6 2015 DVK512 User Manual 4 5 WY ove hare ES PuTTY Configura
8. After the module rebooted waiting more than 30 seconds there will be information display on the HDMI screen And then you will enter into Startx interface 1 8 API source code The API source code referred in this document can be found under the directory home pi DVK512 Since this directory is located in the system image file described in Section 1 1 you should enter the Raspbian to find it V2 5 Mar 6 2015 DVK512 User Manual P csiechcns 2 DVK512 and expansion function Demos Before performing any operations described in this section you should connect DVK512 to RPi with onboard pin headers unless otherwise specified 2 1 LED Demo 1 Enter the terminal and input root raspberrypi LED Test 2 The 4 LEDs will light up one by one 3 Press the keys to end the demo 2 2 Key Demo 1 Enter the terminal and input root raspberrypi KEY Test 2 The terminal will show whether there is key press 2 3 8 channel Logic Level Convertor Demo 1 Connect the 8 channel Logic Level Converter to the onboard 81 Os interface as Figure 7 shows Notices The VCCA pin header on the Logic Level Converter should be connected to the 3V3 pin header of the 8I Os connector on DVK512 Logic Level Converter DVK512 Table 1 Pin relationships between Logic Level Converter and DVK512 V2 5 Mar 6 2015 DVK512 User Manual 2 3 4 2 4 1 2 3 V2 5 Mar 6 2015 Wd ove hare a ss amp
9. DVK512 User Manual PPRS E DVK512 User Manual Copyright All rights reserved by Waveshare Electronics Co Ltd Not allow to modify distribute or copy without permission Revision History V2 2 Dec 03 2014 Amendment Dec 18 2014 3 5inch LCD update Jan 01 2015 Amend Chap 2 13 Mar 06 2015 Compatible with Raspberry Pi 2 Overview DVK512 is an expansion board designed for Raspberry Pi Model B integrates various components and interfaces for connecting external accessory boards It s ideal for Raspberry Pi Model B evaluation and development V2 5 Mar 6 2015 User Manual Piece DVK512 a E 12 13 14 15 16 17 18 19 V2 5 M 4 Ose 563068 0 Os YW 1 Ae O 16L 0D1602 a USS 00000 RS hi E Dij OL 02 D3 D4 O5 Oe Z A K 3 Ce One o aL UART gt ping a5 a pe 3 lt x i N i lt y O aI SO ES Sa ee tS ee y A a a GNO P25 P24 1123 P22 P21 LOSO GNO Six MSO nosi zva PO GMD P7 SCL SOA Juo Y 5 3 ey x dD m Ej Uda ji j 4 fA 6 M 29 Bae 27 Ino 626 Gordec 4 clo ss i Pi aboli a m od a w B D 18 Pinheaders for connecting with the RPi UART interface easily connects to UART modules such as RS232 R8485 USB TO UART etc 8l Os interface easily connects to modules controlled by I Os such as 8 Push Buttons Logic Level Converter Mix Board etc SPI interface easily connects to SP modules such as AT
10. HC module has two rows of pins and the one connected to DVK512 contains the pins SDA and SCL 2 Enter the terminal and input root raspberrypi LSM303 3 The terminal will display the relative values read from acceleration of gravity and magnetic sensor as Figure 17 shows Figure 17 Relative values read from acceleration of gravity and magnetic sensor 17 V2 5 Mar 6 2015 DVK512 User Manual P iisceshard 2 13 Angular rate Sensor L3G4200D 1 2 3 4 5 6 7 Before performing the following operations you should remove the 3 5 inch LCD displayer first Connect the L3G4200D to the SPI interface on DVK512 Remove the 3 5 inch LCD displayer Connect a HDMI displayer to Raspberry Pi module In here you can also use SSH to build a connection to Raspberry Pi module Enter the terminal and input root raspberrypi HDMI SYS SHOW From 3 5 inch LCD display switch to HDMI display Notices The L3G4200D Board needs to use the SPI interface However if the system boots from LCD display mode the SPI interface will be occupied by the LCD displayer Therefore you should remove the LCD connect a HDMI displayer and switch to HDMI display mode to release the SPI before using the L3G4200D Board For more detailed information please refer to the Section 1 6 The system will load the driver wait several minutes And the Raspberry Pi will reboot automatically when the driver download finished After the modu
11. UART JMP 4 Enter the terminal and input the following commands to set the Baud rate The Baud rate will be restored to the default value 115200 after the system rebooted root raspberrypi stty F dev ttyAMAO 38400 root raspberrypi gpsd dev ttyAMAO F var run gpsd sock 5 Enter the terminal and input the following command to open the GPS software provided by the Linux system root raspberrypi cgps s 6 The terminal will display relative GPS position information e debe niet eI CELEC CECECCECCCCCCCECECECCCCECCCCECCCCECCCLACCCCCCCCCECCCCECCCCCCECCECECCECCEI Time 201d 0T 28T14 J3 27 000Z xxFRN Eley Azim SNR Used Latitude 22 535T4Ts amp N xX JT 106 Y Longitude AEE U_E XX 4 O24 i Altitude 4 277 EX 2 lel Speed 0 6 kph XX d O49 Heading 0 0 deg true eed 05 066 Climb 0 0 m min x 02 206 Status 3D FIX 27 secs x a 225 Longitude Err f 2 oh XX Od carl Latitude Err f 2 mh YY Altitude Err f 6m ees Course Err rif 3 aed speed Err 19 kph Ex Time offset 0 2719 EX prid Square OL 72am XX mgggggggggggggggggaggggggggggggggggggggaggogggdimgggggggggggaggggggaggggggggggggagagdgi E a oA ed N Pe ll Pi Pi Pi Pi Pi Pi Pi Pi Pi Pi Pi Bg bo ka Pgo Eeg kgo Hego keg bego keg kgo bego kejo beg ar ea Lr Te ee ee ee ee ee ee ee ee ee er Figure 20 GPS position information 2 15 USB WIFI Demo In this operation we only need a USB WIFI module but the DVK512 expansion boar
12. d is in no used 1 Enter the terminal and input root raspberrypi iwlist wlanO scan Check the WIFI signal 19 V2 5 Mar 6 2015 DVK512 User Manual Diisceshcnd 2 3 4 V2 5 Mar 6 2015 root raspberrypi nano etc network interfaces Edit the configuration info of the network card Configure the settings according to your WIFI environment condition auto lo Use localhost iface lo inet loopback iface ethO inet dhcp auto wlanO If there is a wlan device use wlanO as device name allow hotplug wlanO The wlan device supports plug and play function iface wlanO inet dhcp If there is a WLAN network card wlanO in used use DHCP to get the IP address wpa ssid YourSSID Connected SSID name that is WIFI name wpa psk YourPSK Authentication password that is WIFI password Press the keys Ctrl x and select the option Y to save the modification Enter the terminal and input root raspberrypi etc init d networking restart Restart the network root raspberrypi ping www waveshare net Test the connection statue 20
13. e I2C interface on DVK512 2 Connect the Pin AOUT on PCF8591 to the LED pin header on DVK512 as Figure 15 shows 15 V2 5 Mar 6 2015 DVK512 User Manual Diisceshard ve Ot OA M 07 EOL Pd Oe fla Ore Ore ia TE gt x vy AS i g ities 0L ers Beer ECA bta Otd r WO A ys lt lt i f i A 7 S 4 a A l 7 s E SpotPear LEY IME Ha KENE O a z OS 9 omei i P _ an a WMA s F n v mail an enh LIUN ry a NE a RE E J A PU H DO fa ae rite a d GON x lt xZ09 1001s oe Tak Ene Pree cg gsn wuk LAIN ICEL 54 88 DE Figure 15 Connecting the Pin AOUT on PCF8591 to the LED pin header on DVK512 3 Enter the terminal and input root raspberrypi PCF8591 DAC 4 The digital conversion value is displayed in the terminal And the brightness of the LED indicator on DVK512 will change with the level variation on the pin AOUT 2 12 Acceleration of Gravity and Magnetic Sensors LSM303DLHC 1 Connect the LSM303DLHC module to the 12C interface on DVK512 as Figure 16 shows 16 V2 5 Mar 6 2015 DVK512 User Manual Diisceshard fam Say r ZAIN e KE is RJ OAS aw eS 0 20 0 00 307 68 00 000 Son EE e Pia a asn O1 Layn Ks 1 AET a Tu SH IOCOCHS 1 BIEUSCARM pyrene ppl Lal LS Wna PPE i INT E GA ne Figure 16 Connecting the LSM303DLHC module to the I2C interface on DVK512 Notices LSM303DL
14. ging function enable 1 2 If you need to enable the debugging function of the serial port again please following the steps described below When using a LCD displayer you should enter following command to enable the debugging function of the serial port root raspberrypi EN UART LCD When using a HDMI displayer you should enter following command to enable the debugging function of the serial port root raspberrypi EN UART HDMI 1 5 How to work with a 3 5 inch LCD displayer 1 V2 5 Mar 6 2015 Power off the system and connect a 3 5 inch LCD displayer to the Pi as Figure 3 shows DVK512 User Manual P aveshare Figure 3 Connection between a Raspberry Pi Model B and a 3 5 inch LCD displayer 2 Apply the system image described in Section 1 1 and power up the Pi 3 Enter the following commands for touch screen calibration pi raspberrypi S su pi pi raspberrypi S DISPLAY 0 0 xinput_calibrator 4 After running these commands there will be a prompt for four point calibration shown in the LCD screen Click the points one by one to finish the touch calibration Then the new calibration data will be displayed in the terminal as Figure 4 shows Please get these data for future use Figure 4 The calibration data displayed in the terminal 5 Enter the following command to edit 99 calibration conf Figure 5 Editing 99 calibration conf 6 Modify the data marked with red box in the Figure 5 to the
15. ial port When using a LCD displayer you should enter following command to disable the debugging function of the serial port root raspberrypi DIS_UART LCD When using a HDMI displayer you should enter following command to disable the debugging function of the serial port root raspberrypi DIS_UART HDMI Notices After executing any one of the commands above the system will 5 V2 5 Mar 6 2015 DVK512 User Manual Diisceshard 3 4 5 reboot automatically After it rebooted the terminal debugging function will be disabled and the serial port will work as a common IO However you will not be able to enter the terminal of the Pi via the serial port communication any more In this case you can use SSH or connecting an external displayer to the Pi to enter LXterninal Start a serial monitor such as TCP232 and set the Baud rate 115200 Then enter the terminal and input root raspberrypi UART Test Then a string of character will be displayed in the serial monitor The data transmitted by the serial monitor will be displayed in the serial monitor Notices Raspberry Pi can still transmit and receive data by running the serial sample application even though its debugging function of the serial port is disabled When the Raspberry Pi receives serial data from your PC the received data will be returned to PC and displayed in serial software Press the keys on external keyboard to end the configuration 1 4 Debug
16. le rebooted waiting more than 30 seconds there will be information display on the HDMI screen And then you will enter into Startx interface Enter the terminal and input root raspberrypi L3G4200D The terminal will display the angular velocity values in three factors of x axis y axis and z axis respectively L h lo T Sta oe ai mb Figure 18 Angular velocity values 2 14 GPS Demo 1 V2 5 Mar 6 2015 In the default boot mode of the system image provided by Waveshare the serial port works as terminal debugging output In order to control peripherals via serial port communication you should input corresponding commands on the terminal to disable the debugging function of the serial port When using a LCD displayer you should enter following command to disable the debugging function of the serial port root raspberrypi DIS_UART LCD When using a HDMI displayer you should enter following command to disable the debugging function of the serial port root raspberrypi DIS_UART HDMI 18 DVK512 User Manual Diisieshand Notices For more detailed information please refer to the Section 1 3 2 The system reboots automatically After it rebooted the terminal debugging function is disabled and the serial port works as a common IO 3 Insert a GPS module into the UART interface on DVK512 and remove the jumper wire from UART JMP as Figure 19 shows Figure 19 Removing the jumper wire from
17. ools root raspberrypi adduser pi i2c root raspberrypi reboot 13 V2 5 Mar 6 2015 DVK512 User Manual P sceshare Reboot and enable i2cdetect commands 3 Enter the terminal and input root raspberrypi i2cdetect y 1 4 Then you will see the device address of PCF8563 connected to Raspberry Pi B module Here the device address of PCF8563 is 51 indicating that the PCF8563 is detected by Raspberry Pi Figure 12 PCF8563 is detected by Raspberry Pi B module 5 Enter the terminal and input root raspberrypi PCF8563 Time of PCF8563 will be shown on the terminal 2 10 PCF8591 AD Demo 1 Connect the PCF8591 module to the 12C interface on DVK512 2 Connect the pins AINO and ADO on the PCF8591 together via a cable as Figure 13 shows S m x W 20 90 040 0 ZO 10 OO 3 My sy 0noonssh ZO9 1001 BR Rr eeceae Boo a eittera on AMF i PE i KAR X JVJGNO AX TX P3 Figure 13 connecting the pins AINO and ADO together 14 V2 5 Mar 6 2015 DVK512 User Manual P icsiechcn 3 Enter the terminal and input root raspberrypi PCF8591 ADC 4 The terminal will display the AD values read from ADCO ADC3 corresponding to the pins AINO AIN3 on PCF8591 as Figure 14 shows m a ft tf fo toi tab A fy E P 5 6 5 6 Lat Lal L La Li Lael Ln ot La Ga Pa Pj i fu Ci Figure 14 Displaying the AD values read from ADCO ADC3 2 11 PCF8591 DA Demo 1 Connect the PCF8591 module to th
18. tion Category El Session al Terminal Keyboard Basic options for your PuTTY session Specify the destination you want to connect ta Serial line Speed Connection type z 7 5 Rlogin SSH Raw Telnet Load save or delete a stored session Features Window Appearance Behaviour Translation lt Selection Colours Saved Sessions COM3 Default Settings 5 Connection Data _ Serial Close window on exit D Always Never Only on clean exit Figure 2 PuTTY settings And then click the button Open After the system is started up you should input following information User name pi and Password raspberry Then you can enter the serial terminal to communicate with the Raspberry Pi Notices In this document the software PuTTY is always used to control the Raspberry Pi via serial port communication unless otherwise specified When a serial port is used for Raspberry Pi terminal debugging it cannot service as a common serial port any more since it is occupied by system debugging function For more information please refer to Section 1 3 and Section 1 4 1 3 Debugging function disable Serial port services as common serial port 1 2 After programming the system image file described above you may find that the serial port is set as terminal debugging output by default In this case you should input corresponding commands on the terminal to disable the debugging function of the ser
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