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VXC Card User`s Manual

1. 28 The PIO_PISO EXE utility program will detect and display all VXC cards installed in the PC 4 1 1 PIO_Driverlnit PIO_Driverlnit amp wBoards wSubVendor wSubDevice wSubAux e wBoards gt OUT number of boards found in this PC e wSubVendor gt IN Sub vendor ID of the board to be determined e wSubDevice gt IN Sub device ID of the board to be determined e wSubAux gt IN Sub aux ID of the board to be determined Note The IN symbolic indicates that the parameter should assign a value by users while the OUTI symbolic indicates that the parameter will return a value after calling the function The PIO_Driverlnit function detects all VXC series cards in the system and is implemented based on the PCI plug play mechanism All VXC series cards installed in this system will be detected and the resources will be saved in the library Sample program 1 Determine the resources for all VXC 142 cards in the PC wSubVendor 0x61 wSubDevice 0x00 wSubAux 0x00 for VXC 142 wRetVal PIO_Driverlnit amp wBoards wSubVendor wSubDevice wSubAux printf There are d VXC 142 card s in this PC n wBoards Step 2 save the resources of all cards installed in the PC for i 0 i lt wBoards i PlO_GetConfigAddressSpace i awBase amp wlrg amp wlD1 amp wlD2 amp wlD3 amp wID4 amp wID5 printf nCard_ d wBase x wirq x i wBase wlrq wConfigSpace i 0 wBaseAddress save all resource
2. 3 1 1 Features VXC 112A VXC 142 VXC 142i VXC 182i Common e 5V PCI Bus add on card Features e COM Selector e Provides surge protection e LED diagnostic indicators e 16 byte UART FIFO RS 422 485 2 Port 2 Isolated 1 Isolated RS 232 2 Port 1 Port Self tuner Yes Yes Yes Isolated 3KV 3KV 1 2 Specifications VXG 112A VXG 142 VXC 142i VxXC 182i Data bit Stop bit Parity Speed Connectors UART Isolation 3KV 3KV RS 422 485 Operating 0 50 C Temperature Storage 20 to 70 C Temperature Humidity 0 90 non condensing Dimensions 140 x 95 130 x 105 140 x 95 140 x 95 mm VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 4 1 3 Product Check List In addition to this manual the package includes the following items e One VXC 112A VXC 142 142i or VXC 182i card e One ICP DAS floppy diskette or CD e One copy of the release notes Before continuing it is recommended that you read the release notes which contain the following important information 1 The location of the software driver utility 2 How to install the software amp utility 3 The location of the diagnostic program Attention If any of these items are missing or damaged contact the dealer from whom you purchased the product Save all shipping materials and the carton in case you need to ship or store the product in the future
3. PIN Signal PIN Signal 1 TxD 4 RxD 2 TxD 3 RxD 3 RxD 2 TxD 4 RxD 1 TxD 5 GND 5 GND 6 RTS 9 CTS 7 RTS 8 CTS 8 CTS 7 RTS 9 CTS 6 RTS 2 3 2 RS 485 Cable Wiring CH1 2 DB9 M VXC 142 142i VXC 182i DTE MALE DB 9 Terminal DTE DB 9 PIN Signal PIN Signal 1 DATA 1 DATA 2 DATA 2 DATA VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 13 2 3 3 RS 232 Cable Wiring CH2 DB9 M VXC 112A VXC 182i Male DB 9 Null Modem Cable Wiring System 1 Pin Pin System 2 TX 3 2 RX RX 2 3 TX RTS 7 J 1 DCD CTS 8 DSR 6 4 4 DTR DCD 1 7 RTS 8 CTS DTR 4 6 DSR VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 14 2 4 Hardware Installation Warning Static electricity can easily damage computer equipment Ground yourself by touching the chassis of the computer before touching any boards To install your VXC series cards complete the following steps 1 Turn off your computer 2 Remove all covers from the computer 3 Select an unused PCI slot 4 Remove the PCI slot cover from the PC 5 Carefully insert your VXC card into the PCI slot and attach the cable to the connector Replace the PC cover Turn on your PC and refer to Chapter 3 for information regarding software installation N O VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 15 3 Software Ins
4. 0xF0 Port 1 Modem Control Register MCR wBase 0xD4 Port 0 Line Status Register LSR wBase 0xF4 Port 1 Line Status Register LSR Error in Transmitter Transmitter Break Framing Parity Overrun Data Holding Interrupt Error Error Error Register wBase 0xD8 Port 0 Modem Status Register MSR wBase 0xF8 Port 1 Modem Status Register MSR Data Ring Data Clearto Delta Trailing Delta Carrier Indicator Set Send Data Edge Clear to Detect Ready Carrier Ring Send Detect Indicator wBase 0xDC Port 0 Scratch Register SCR wBase 0xFC Port 1 Scratch Register SCR VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 42
5. To find out all VXC cards To get the I O address and IRQ number of the card To get the Board ID of the card To Send receive data to from the COM ports To control the LED On Off of the card GE De 3 1 1 Installation Please refer to the Release Note paper that shows you the location of the software on the CD Run the install bat batch file to install the software into your c disk If you like to install the software into a different location you can specify the parameter after the install bat file For example Install d MyProj lt Enter gt Or you can copy the folder into your project directory manually VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 17 3 2 Windows NT 4 0 3 2 1 Installation Please refer to the Release Note paper to see the software location and refer to the following steps to complete it Note It s recommended to install the software first and then the hardware This reduces the reboot times of your computer 1 Launch the VxCardNT exe setup program and then click the Next gt button 2 When prompted click the Next gt button to start installation Or click the Change button to select a new folder first for the installation 3 After the driver is installed click the Finish button 4 When prompted select the Yes want to restart my computer now option and then click the Finish button to
6. layout of the VXC 142 HABE Dodo UOUO UU TY Q FA O O gt o O g Note CN1 2 gt Non Isolated RS 422 485 port VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 e Board layout of the VXC 142i EL EE L VE O O IND OU OU END i el bcd od od Is snd Dd Y Q Pi o O 5 zi O E D m an Note CN1 2 gt Isolated RS 422 485 port VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 9 e Board layout of the VXC 182i Ely EE L pE L L ET JO gg O OR O ol Oooo ooo Ged od od S I snd Dd Y Q Pi o O 5 zi O E D m TEers9L8 a ae Note CN1 gt Isolated RS 422 485 port CN2 gt RS 232 port VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 10 2 2 COM Port Mapping and Board ID The Board ID and COM port mapping are the same which is set by the S1 DIP switch The S1 DIP switch has different functions under different OS For DOS users the S1 DIP switch acts as Board ID When there are two or more multi port serial cards in a single system it is difficult to identify individual card number For easier identification the VXC series card includes a B
7. reboot the computer Note After the installation is completed users must restart the computer to start the driver 3 2 2 Verification ICP DAS provides a VxCard Utility program VxCardUtil exe for users to see all the COM ports on the system It shows COM ports in two gorups one for VXC Card and one for others So users can check if any confliction occurred between COM ports To launch the utility just double click on the VxCard Utility short cut on your desktop VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 18 Ed VxCard Utility v1 0 0 Jul 09 2004 olx VXC Card COM Ports swriro TE fi Close Note When the hardware and software are well installed the driver turns off the LED on the card If there is something error such as driver not work or COM port number conflicted the LED keeps lighting 3 2 3 Configuration If need users can change the input buffer size default is 4KB for each port up to 128KB by setting the SW FIFO scroll bar on the VxCard Utility To change the COM port mappings users should restart the driver by rebooting the computer or launch a DOS box and run Net Stop VxCarSer command to stop the driver then run Net Start VxCarSer command to start the driver again 3 2 4 Uninstallation 1 Select the Start Settings Control Panel and double click the Add Remove Programs icon 2 Select the VxCard D
8. 1 4 Ordering Information VXC 112A 2 port RS 232 Communication Board VXC 142 2 port RS 422 485 Communication Board VXC 142i 2 port Isolated RS 422 485 Communication Board VXC 182i 1 port isolated RS 422 485 and 1 port RS 232 Communication Board VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 5 1 5 Options Item Description VXC 142 VXC 112A VXC 182i VXC 142i CA 0903 9 pin Female D sub amp 5 wire RS 232 f gt cable 30cm Va wa CA 0910 9 pin Female D sub amp 3 wire RS 232 cable 1M S S Xu CA 0910F 9 pin Female Female D sub Cable 1M Y Y Y I O Connector Block with DIN Rail Mounting and two 9 pin Male Header Includes CA 0910F x 2 9 pin Female Y Y Y Female D sub Cable 1M CA 090910 9 pin Female D sub amp 9 wire RS 422 N Cable 1M E JP CA PCO9F 9 pin Female D sub connector with plastic ER cover Y Y Y CA 0915 9 pin Male Female D sub cable 1 5M y v vs v Dh VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 6 2 Hardware configuration 2 1 Board Layout e Board layout of the VXC 112A a e e e al O Oo IMS AGH i snd IDd 19 0NU09 Dd ITEers9L8 Note CN1 2 gt RS 232 Port VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 e Board
9. 5 x2 Sa vxc 182i 3 0 Isolated RS 422 485 x1 RS 232 x1 E H Note When the hardware and software are well installed the driver turns off the LED on the card If there is something error such as driver not work or COM port number conflicted the LED keeps lighting 3 3 3 Configuration If need users can change the input buffer size default is 4KB for each port up to 128KB by setting the SW FIFO scroll bar on the VxCard Utility The utility s short cut is placed on the desktop after installation Ej vxCard Utility v1 0 0 Jul 09 2004 o x VXC Card COM Ports CAMP XC ARSENY esse COM6 Device VxCarSerl COM Device YxCarSer2 COMB Device YxCarSer3 Others COM1 Device Seriall COM2 Device Seriall Close To change the COM port mappings users should restart the driver by rebooting the computer or re install the VXC Card hardware in the Device Manager by un install card and then scan new hardware 3 3 4 Uninstallation Before removing the card from your computer it s recommended to uninstall the device from the Device Manager This removes unused hardware information from the database registry of Windows VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 21 3 4 Windows XP 2003 3 4 1 Installation Note It s recommended to install the software first and then the hardware This reduces the co
10. O function will display a text string to identify the special subIDs The text string is the same as that defined in PIO H A demo program is as follows VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 31 wRetVal PIO_Driverlnit amp wBoards Oxff Oxff Oxff find all VXC printf nThere are d VXC Cards in this PC wBoards if wBoards 0 exit 0 printf n for i 0 i lt wBoards i PIO_GetConfigAddressSpace i awBase amp wlirq amp wSubVendor amp wSubDevice amp wSubAux amp wSlotBus amp wSlotDevice printf nCard_ d wBase x wlrq x subID x x x SlotID x x i wBase wlrq wSubVendor wSubDevice wSubAux wSlotBus wSlotDevice printf gt ShowPioPiso wSubVendor wSubDevice wSubAux VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 32 4 2 lO Address Mapping The I O address of the VXC series card is automatically assigned by the main board ROM BIOS The I O address can also be re assigned by the user It is strongly recommended that user does not change the I O address The plug amp play BIOS will assign the correct I O address to each VXC series card The table below indicates the I O address of the VXC 112A VXC 142 142i and VXC 182i series cards Address Red Write wBase 2 Same Aux control register fe d M WBase 0xde Higiow speed mode of Port 1_ WwBase 0xte Highiow speed mode of Port 2 Note Refer to Sec 4 1 for mor
11. V9 VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 27 4 Programming Reference 4 1 Determining the I O Address The plug amp play BIOS will assign the correct I O address to each VXC series card during the power up process The fixed IDs of each VXC series card is as follows Item Vendor ID Device ID sas an SUDAN Vendor ID Device ID ID VXC 112A 0xe159 0x0001 0x1D61 0x0000 0x00 VXC 142 0xe159 0x0001 0x0061 0x0000 0x00 VXC 142i 0xe159 0x0001 0x0161 0x0002 0x00 VXC 182i 0xe159 0x0001 0x0161 0x0001 0x00 All necessary functions are provided as follows 1 PIO_Driverlnit amp wBoard wSubVendor wSubDevice wSubAux 2 PIO_GetConfigAddressSpace wBoardNo wBase wlrq wSubVendor wSubDevice wSubAux wSlotBus wSlotDevice 3 Show_PIO_PISO wSubVendor wSubDevice wSubAux All functions are defined in PIO H The important driver information is as follows 1 Resource allocated information e wBase BASE address mapping in the PC e wirg The IRQ channel number allocated in the PC 2 VXC identification information e wSubVendor The subVendor ID of the board e wSubDevice The subDevice ID of the board e wSubAux The subAux ID of the board 3 PC s physical slot information e wSlotBus The slot position of hardware slot ID1 in the PC e wSlotDevice The slot position of hardware slot ID2 in the PC VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01
12. VXC Cards User s Manual VXC 112A VXC 142 142i VXC 182i Warranty All products manufactured by ICP DAS are warranted against defective materials for a period of one year from the date of delivery to the original purchaser Warning ICP DAS assumes no liability for damages consequent to the use of this product ICP DAS reserves the right to change this manual at any time without notice The information furnished by ICP DAS is believed to be accurate and reliable However ICP DAS assumes no responsibility for its use or for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 2004 by ICP DAS All rights are reserved Trademark The names used for identification only may be registered trademarks of their respective companies VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 1 Tables of Contents 1 INTRODUCTION 22 2 3 sa ernennen anna dene enhndn ee 3 1 1 FEATURES sitas atte Tet ee AATE RATER ee lr er al ae Ba Fl ae ed dh En lee Berl 4 1 2 SPECIFICATIONS unite ta dt acia 4 1 3 PRODUCTO ECK IST 2 22 22 encodes een sans 5 1 4 ORDERING INFORMATION este an ah 5 1 5 OPTIONS Siewert DE SA eA IAE le Na at nn Da Ra ne a ans ne haar nat 6 2 HARDWARE CONFIGURATION 2 u22220000000000nnan0n0nnnnunnnn nn nnnnnnnunn nn nn nnnnnnnnnnnnnn nana a nrnnananas 7 2 1 BOARB EAYOUT Asa he A Oe a eh 7 2 2 COM PORT MAPPING AND BOARD ID uuuuuuuussna
13. bove If both signals are active at the same time then INT will activate only once The interrupt service routine must read the status of all interrupt channels for multi channel interrupts If only one interrupt source is used the interrupt service routine doesn t need to read the status of the interrupt source VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 39 4 3 2 INT_CHAN_0 1 INTO 1 INT_CHAN_0 1 Inverted Noninverted select INVO 1 Enable Disable select ENO 1 The INT_CHAN_0 and INT_CHAN_1 architecture is shown in the above figure The only difference between INTO and INT1 is that the INT_CHAN_0 signal source comes from the UART 0 interrupt output and the INT_CHAN_1 signal source comes from the UART 1 interrupt output INT_CHAN_ 0 1 must be fixed in a low level state normally and should generate a high_pulse when sending an interrupt signal to the PC The ENO 1 can be used to enable disable the INT_CHAN_0 1 as follows Refer to Sec 4 2 4 Note VXC 112A using EN2 3 ENO 1 0 gt INT_CHAN_ 0 1 disabled ENO 1 1 gt INT_CHAN_ 0 1 enabled INVO 1 can be used to invert non invert the INTO 1 as follows Refer to Sec 4 2 6 Note VXC 112A using INV2 3 INVO 1 0 gt INT_CHAN_ 0 1 inverted state of INTO 1 INVO 1 1 gt INT_CHAN_ 0 1 non inverted state of INTO 1 As mentioned above if INT is fixed in a low level
14. e information regarding wBase VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 33 4 2 1 RESET Control Register Read Write wBase 0 RESET Note Refer to Sec 4 1 for more information regarding wBase When the PC is first powered on the RESET signal is in the Low state This will disable all D I O operations The user must set the RESET signal to the High state before sending any D l O commands outportb wBase 1 RESET High gt all D I O are now enabled outportb wBase 0 RESET Low gt all D I O are now disabled 4 2 2 AUX Control Register Read Write wBase 2 Note Refer to Sec 4 1 for more information regarding wBase Aux n 0 gt the Aux is used as an input Aux n 1 gt the Aux is used as an output n 0 7 When the PC is first powered on all Aux n signals are in the Low state Each Aux n is designed as an input for all VXC series cards VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 34 4 2 3 AUX data Register Read Write wBase 3 Note Refer to Sec 4 1 for more information regarding wBase This register is designed for LED controls Before controlling LED state users have to configure the related Aux to be an output Aux5 For VXC 112A LED controls Aux7 For VXC 142 142i and VXC 182i LED controls outportb wbase 2 0x80 Set Aux7 is used as an output outportb wBase 3 0 turns the LED off outportb wBase 3 0x80 turn
15. ere is something error such as driver not work or COM port number conflicted the LED keeps lighting 3 4 3 Configuration If need users can change the input buffer size default is 4KB for each port up to 128KB by setting the SW FIFO scroll bar on the VxCard Utility The utility s short cut is placed on the desktop after installation WJ vxCard Utility v1 0 0 Jul 09 2004 COK WXC Card COM Parts COMS T AD BVIGE XC APS BI o com gy greening aR EREEREER COM6 Device vxCarSerl COM Device xCarSer2 COM8 Device YxCarSer3 Others COM1 Device Serial COM2 Device Seriall swFIFO foro Giese To change the COM port mappings users should restart the driver by rebooting the computer or re install the VXC Card hardware in the Device Manager by un install card and then scan new hardware 3 4 4 Uninstallation Before removing the card from your computer it s recommended to uninstall the device from the Device Manager This removes unused hardware information from the database registry of Windows VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 23 3 5 Linux This section describes VXC Card Linux driver s features and how to compile and install into a general Linux system The VXC Card Linux driver is modified from Linux kernel source and supports most of popular PC based Linux distributions 3 5 1 Driver Features e Device file Dynamic device all
16. ignal from INT_CHAN_ INV 1 gt selects the non inverted signal from INT_CHAN_ outportb wBase 0x2a 0 selects the inverted input from all 8 channels outportb wBase 0x2a 0xFF selects the non inverted input from all 8 channels For VXC 142 142i and VXC 182i outportb wBase 0x2a 0x2 selects the inverted input of INT_CHAN_0 selects the non inverted input of INT _CHAN_1 For VXC 112A outportb wBase 0x2a 0x8 selects the inverted input of INT_CHAN_O selects the non inverted input of INT_CHAN_1 4 2 7 Speed selection Read Write wBase 0xdc Oxfc Mode Clock Rate Baud Rate Remark Low Speed 0 1 843 200Hz 50 bps 115 2K bps Default High Speed 2 14 745 600Hz 400 bps 921 6K bps Note Refer to Sec 4 1 for more information regarding wBase outportb wAddr 0xdc 0 low speed mode for port 1 outportb wAddr Oxfc 0 low speed mode for port 2 outportb wAddr 0xdc 2 high speed mode for port 1 outportb wAddr Oxfc 2 high speed mode for port 2 VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 37 4 3 Interrupt Operation There are two interrupt sources in the VXC cards They are named as INTO and INT1 Their signal sources are as follows INTO UART O interrupt output INT1 UART 1 interrupt output If only one interrupt signal source is used the interrupt service routine doesn t need to identify the interrupt s
17. nannannnnnsnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 11 2 3 PIN ASSIGNMENT AND CABLE WIRING oooccccccccnonononocicccononononannccnnnnnonananncancnnnnnnnnncinicinnns 13 2 4 HARDWARE INSTALLATION Gen a nn ge 15 3 SOFTWARE INSTALLATION 00u2000000000000nnnan0n0nnunu nun nnnnunnnnunnnn nn nnnnnnnnnnnnnn nennen 16 3 1 DOS LB rn a en mae hued eel neue 17 3 2 WINDOWSINT 24 0 ta EE AAEE A AT OEE abr cd 18 3 3 WINDOWS 2000 OA EEEE AE io nas 20 3 4 WINDOWS XP 2003 en 22 3 5 LEVIN A A nee A 24 4 PROGRAMMING REFERENCE 2u2uuz440u020000000000n una nnnnnunnnnunnnn an nunnnnunnnn nn nnnnnnnnnnnnnn an nnmnnn nnna 28 4 1 DETERMINING THE I O ADDRESS uuenanaaannnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnen 28 4 2 VO ADDRESS MAPPING ta dare set eet Date N 33 4 3 INTERRUPT PRERATION aca ae nee one idas 38 5 APPENDIX 2 2 3 22 22 0 a a ii a e dew 41 VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 2 1 Introduction The VXC series multi port serial card enables user to install additional communication ports on the PC It s the best choice for time critical and reliably communications and controls on the industrial environment For example Communicates to PLC FAB machine meter console management of devices laboratory instruments and Modem link etc In harsh industrial environments the onboard surge protection protects the computer and other equipment from being damaged by high pote
18. nfiguration procedures 1 Launch the VxCard2K exe to install the driver and register the related information onto the system Win2K driver also works on XP Server 2003 2 Power off the computer and install the VxCard into the PC 3 Power on your computer Windows XP 2003 should find the new card and load the driver automatically WinXP 2003 may pop up few confirm dialog box just click next or OK to finish it 3 4 2 Verification To verify the installation please complete the following steps 1 Select Start Settings Control Panel and double click the System icon 2 Click the Hardware tab and then click the Device Manager button The VXC Card is listed under the VXC Multi port serial Card class and each Communications Port is listed under the Ports VxCard RS 232 422 485 class g Device Manager File Action View Help Hee ea Ports COM amp LPT Ports vxCard RS 232 422 485 A d YXC Card Communications Port COMS A VXC Card Communications Port COM6 Y vxc Card Communications Port COM7 oe VXC Card Communications Port COMB Processors Sound video and game controllers System devices Universa Serial Bus socias VXC 142 RS 422 485 x2 Sa vxC 182 Isolated RS 422 485 x1 RS 232 x1 VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 22 Note When the hardware and software are well installed the driver turns off the LED on the card If th
19. ntial voltages CON Selector The VXC series cards equip a COM Selector dip switch for the COM port number selection automatically or manually It s an important and innovative feature of the VXC cards It has the following advantages e Simplifies the COM port number selection without using configuration utility programs e Users specify the COM port number exactly what they want no matter which PCI slot is using e Automatically select an available COM port number is supported by setting the COM Selector dip switch to 0 default e Needn to install configuration utility for different OS and needn t to study operations of the utility e Prevents confusion Other PnP COM port devices always confusing users by using a dynamic COM port number e Replacing an existing card is very easy just setting the COM Selector dip switches to the same e It s great for mass system installation just setting the COM Selector dip switches to use the same COM port number in systems Up To 128KB Software FIFO The VXC card driver for Windows features a maximums 128KB software FIFO for each port default is 4KB It s practical for large file transmission Self Tuner The RS 485 ports of VXC cards equip a Self Tuner chip which controls the sending receiving direction baud rate and data format automatically and reduces the software loading for such controls VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01
20. oard ID function For Windows users the Si DIP switch acts as COM port number selector and the COM port number is depending on the Board ID If the Board ID is 0 then the driver finds a valid number for each port If the Board ID is not 0 then the driver uses the Board ID to be the first COM port number and uses the Board ID 1 to be the next COM port number and so on Note It s recommended to select a unique COM port number Board ID by users This helps users to identify and fix these cards and ports in a system without confuses Note The port will not work if the COM port number is conflicted under Windows or Linux system In that case users should try other COM port numbers Usually the COM1 and COM2 are reserved by systems And it s recommended to reserve the COM3 and COM4 if you will have other Plug amp Play serial ports in the future This prevents confliction For Linux users its the same as Windows users but for TTY device number selector The configuration examples are as follows S1 87654321 TT VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 11 Board ID 0x05 Board ID 0x1E Board ID 0x64 COM 100 101 Board ID 0x96 COM 150 151 Board ID COM 2 3 Pin Assignment and Cable Wiring 2 3 1 RS 422 Cable Wiring CH1i1 2 DB9 M VXC 142 142i VXC 182i DTE MALE DB 9 Terminal DTE DB 9
21. ocation Dynamic major number One major number for multiple devices Use the GNU configure and build system 3 5 2 Installation Please refer to the following steps to complete it 1 Download or copy the IxCOM package to a directory that you have access to 2 Extract the package For example the package s file name is ixcom 0 05 0 tar gz and its path related to your current working directory is pkg then the extraction command would be gunzip c pkg ixcom 0 05 0 tar gz tar xvf or tar zxvf pkg ixcom 0 05 0 tar gz An ixcom 0 05 0 directory is created after extraction 3 For convenient access it is a good idea to put a symbol link on it In s ixcom 0 05 0 ixcom 4 Change to the ixcom working directory you just made type configure to create proper Makefiles VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 24 5 Once the configuring has done successfully type make to build all Note If you like to install files to system directory the make install will do it for you However install files to system directory is not necessary for further operation You will need the root privilege for that Script ixcom inst loads modules automatically Script ixcom remove removes the loaded modules The root privilege is required when installing or removing these kernel modules 3 5 3 Access To VXC Serial Port Script ixcom inst will establish unused device major n
22. ormation for all VXC cards installed in the system The application program can then directly control the functions of each VXC series card A sample program source is as follows VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 30 Step 1 detect all VXC 142 cards wSubVendor 0x61 wSubDevice 0x00 wSubAux 0x00 for VXC 142 wRetVal PIO_Driverlnit amp wBoards wSubVendor wSubDevice wSubAux printf There are d VXC 142 cards in this PC n wBoards Step 2 save the resources for each VXC 142 card installed in the PC for i 0 i lt wBoards i PlO_GetConfigAddressSpace i amp wBase amp wlrg amp t1 amp t2 amp t38 amp t4 amp t5 printf nCard_ d wBase x wirq x i wBase wlrq wConfigSpace i 0 wBaseAddress save all resources for this card wConfigSpacel i 1 wlrq save all resources for this card Step 3 directly control the VXC 142 wBase wConfigSpace 0 0 get the base address of card_0 outport wBase 1 enable all D I O operations for card_0 wBase wConfigSpace 1 0 get the base address of card_1 outport wBase 1 enable all D I O operations for card_1 4 1 3 Show_PIO_PISO Show_PIO_PISO wSubVendor wSubDevice wSubAux e wSubVendor gt IN the subVendor ID of the board to be determined e wSubDevice IN the subDevice ID of the board to be determined e wSubAux gt IN the subAux ID of the board to be determined The Show_PIO_PIS
23. ource If there is more than one interrupt source the interrupt service routine needs to identify the active signals by 1 Reading the new status of all interrupt signal sources 2 Servicing it if INTO is active 3 Servicing it if INT1 is active Note If the interrupt signal is too short the interrupt service routine cannot identify which interrupt source is active Therefore the interrupt signal must be in the hold_active state long enough for the interrupt service routine to be executed The hold_time is different for different Operating Systems The hold_time can be as short as a microsecond or as long as a whole second In general 20mS is a long enough to for successful execution under any OS VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 38 4 3 1 VXC Card Interrupt Block Diagram mC INT_CHAN_O Level_trigger to PCI slot N SANT initial_low active_high The interrupt output signal of the VXC card INT is Level Trigger and Active_Low If INT generates a low_pulse the VXC card will send an interrupt signal to the PC only once If INT is fixed in low_level the VXC card will send an interrupt signal to the PC continuously Therefore INT_CHAN_0 1 must be controlled as a pulse_type signal which must normally be fixed in a low_level state and should generate a high_pulse when sending an interrupt signal to the PC The INT_CHAN_0 1 priority is the same as the a
24. river NT and click the Add Remove button VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 19 3 3 Windows 2000 3 3 1 Installation Note It s recommended to install the software first and then the hardware This reduces the configuration procedures 1 Launch the VxCard2K exe to install the driver and register the related information onto the system 2 Power off the computer and install the VxCard into the PC 3 Power on your computer Windows 2000 should find the new card and load the driver automatically Sometimes Win2K pops up few confirm dialog box just click next or OK to finish it 3 3 2 Verification To verify the installation please complete the following steps 1 Select Start Settings Control Panel and double click the System icon 2 Click the Hardware tab and then click the Device Manager button The VXC Card is listed under the VXC Multi port serial Card class and each Communications Port is listed under the Ports VxCard RS 232 422 485 class AE Action View es Bea a H 4 Ports COM amp LPT E 4 Ports VxCard RS 232 422 485 F WXC Card Communications Port COMS y VXC Card Communications Port COM6 Ss WXC Card Communications Port COM A WXC Card Communications Port COMES ti Sound video and game controllers System devices E Universal Serial Bus controllers WXC Multi port serial Card Sa VXC 142 v3 0 RS 422 48
25. s of this card wConfigSpace i 1 wlrq save all resources of this card VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 29 Sample program 2 Identify all VXC cards in the PC wRetVal PIO_Driverlnit amp wBoards Oxff Oxff Oxff identify all VXC cards printf nThere are d VXC Cards in this PC wBoards if wBoards 0 exit 0 printf n for i 0 i lt wBoards i PIO_GetConfigAddressSpace i awBase amp wlrq amp wSubVendor amp wSubDevice amp wSubAux amp wSlotBus amp wSlotDevice printf nCard_ d wBase x wlrq x subID x x x SlotID x x i wBase wlrq wSubVendor wSubDevice wSubAux wSlotBus wSlotDevice printf gt ShowPioPiso wSubVendor wSubDevice wSubAux 4 1 2 PIO _GetConfigAddressSpace PIO_GetConfigAddressSpace wBoardNo wBase wirq wSubVendor wSubDevice wSubAux wSlotBus wSlotDevice e wBoardNo gt gt IN Board index number which between 0 and total boards 1 e wBase gt OUT The base address of this board wirq gt OUT The IRQ channel number allocated to this board e wSubVendor gt OUT The sub vendor ID for this board e wSubDevice gt OUT The sub device ID for this board e wSubAux gt OUT The sub aux ID for this board e wSlotBus gt OUT The hardware slot ID1 for this board e wSlotDevice gt OUT The hardware slot ID2 for this board The PIO _GetConfigAddressSpace function can be used to save the resource inf
26. s the LED on 4 2 4 INT Mask Control Register Read Write wBase 5 lo o o o ens ena en Note Refer to Sec 4 1 for more information regarding wBase ENO EN1 INT_CHO INT_CH1 CHO offset 0 For VXC 142 142i and VXC 182i Interrupt Mask EN2 EN3 INT_CHO INT_CH1 CHO offset 2 For VXC 112A Interrupt Mask EN 0 gt disables INT_CHAN_ as an interrupt signal default EN 1 gt enables INT_CHAN_ as an interrupt signal VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 35 outportb wBase 5 0 disables all interrupts outportb wBase 5 0x03 enables INT chO and chi for VXC 142 outportb wBase 5 0x0B enables INT chO and chi for VXC 112A 4 2 5 Aux Status Register Read Write wBase 7 Note Refer to Sec 4 1 for more information regarding wBase Aux0 INT_CHAN_0 Aux1 INT_CHAN 1 For VXC 142 142i and VXC 182i card Aux2 INT_CHAN_0 Aux3 INT_CHAN 1 For VXC 112A card Aux0 3 are used as interrupt sources The interrupt service routine must read this register to perform interrupt source identification 4 2 6 Interrupt Polarity Control Register Read Write wBase 0x2A KATARA o inva inva nv Note Refer to Sec 4 1 for more information regarding wBase INVO INV1 For VXC 142 142i and VXC 182i card INV2 INV3 For VXC 112A card VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 36 INV 0 gt selects the inverted s
27. ss to VXC Auxiliary Serial Port Each port of the VXC card has a corresponding auxiliary device named cuaV The auxiliary device cuaV behave is very similar to serial device ttySV except DCD signal identify A serial port will fails to open when the DCD signal is OFF and closing automatically when DCD signal is OFF But the auxiliary serial device will not to check the status of DCD signal if ON when open serial port and not closing serial port automatically when DCD signal is OFF The auxiliary serial device will be useful with dialing out modem that fails to assert DCD signal when there is no one called into it and there is no carrier The cuaV device was once used for dialing out and ttySV used for dialing in purpose traditionally VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 26 Each ttySV device of VXC serial card has a corresponding auxiliary device cuaV with the same minor number but different major number that create by script ixcom inst automatically Is la dev cuaV crw rw rw 1 root 64 Jul 14 10 13 dev cuaVO crw rw rw 1 root 65 Jul 14 10 13 dev cuaV1 crw rw rw 1 root 66 Jul 14 10 13 dev cuaV2 crw rw rw l root 67 Jul 14 10 13 dev cuaV3 crw rw rw 1 root 68 Jul 14 10 13 dev cuaV4 crw rw rw 1 root 69 Jul 14 10 13 dev cuaV5 crw rw rw 1 root 70 Jul 14 10 13 dev cuaV6 crw rw rw 1 root 71 Jul 14 10 13 dev cuaV7 crw rw rw 1 root 72 Jul 14 10 13 dev cuaV8 crw rw rw 1 root 73 Jul 14 10 13 dev cua
28. state the VXC card will continuously send interrupt signals to the PC The interrupt service routine should use INVO 1 to invert non invert INTO 1 and so generate a high_pulse Note VXC 112A using INV2 3 VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 40 5 Appendix UART Register Mapping This section describes the UART register mapping for VXC cards For more information please refer to the TI 160550 datasheet wBase 0xC0 Port 0 Receiver Buffer Register RBR wBase 0xE0 Port 1 Receiver Buffer Register RBR wBase 0xC0 Port 0 Transmitter Holding Register THR wBase 0xE0 Port 1 Transmitter Holding Register THR wBase 0xC4 Port 0 Interrupt Enable Register IER wBase 0xE4 Port 1 Interrupt Enable Register IER 0 Enable Enable Enable Enable Modem Receiver Transmitter Received Status Line Status Holding Data Interrupt Interrupt Register Available Empty Interrupt Interrupt wBase 0xC8 Port 0 FIFO Control Register FCR wBase 0xE8 Port 1 FIFO Control Register FCR Receiver Receiver Reserved Reserved DMA Transmitter Receiver Trigger Trigger Mode MSB LSB Select VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 41 wBase 0xCC Port 0 Line Control Register LCR wBase 0xEC Port 1 Line Control Register LCR Divisor Break Stick Even Latch Control Parity Parity Access Select Bit wBase 0xD0 Port 0 Modem Control Register MCR wBase
29. tallation ICP DAS provides following device drivers for most operation systems such as MS DOS Windows NT 4 0 and Windows 2000 XP 2003 These Windows drivers provide full interrupt driven buffered I O for each COM ports And also supports the Plug amp Play mechanism for easy installation VxCard DOS Lib Programming library files and sample programs for DOS VxCard Driver NT COM port driver for Windows NT 4 0 VxCard Driver 2K COM port driver for Windows 2000 XP 2003 VxCard Driver Linux tty driver for Linux Note VxCard Driver 2K also supports Windows XP and Windows Server 2003 For Windows users to access COM ports please refer to the Serial Communications in Win32 article for programming information Which can be found by searching on the http msdn microsoft com This chapter shows you the detail steps to install these drivers Note For more information about COM port number selection please refer to Section 2 2 COM Port Mapping amp Board ID VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 16 3 1 DOS Lib Microsoft provides standard Win32 APIs for Windows 9x NT 2K XP 2003 users to access the COM ports But DOS did not have such standard APIs thus ICP DAS provides library functions under DOS for the VXC cards Which provides easy programming interfaces and sample programs include source code that written in Turbo C These sample programs include source code show you
30. umber dynamically and create correspond device node for access VXC serial port ixcom inst IxCOM Installer 0 4 0 Check kernel version 2 4 Use proc file proc icpdas ixcom Load module ixcom Use dmesg command to inspect the driver output message ICPDAS VXC multi serial card Serial driver version 5 05c 2001 07 08 with HUB 6 MANY PORTS MULTIPORT SHARE_IRQ SERIAL_PCI enabled vxc major 254 vxc aux_major 253 PCI Found IRQ 5 for device 00 13 0 ttySVO at port Oxe0cO irq 5 is a 16550 A ttySV1 at port Oxe0e0 irq 5 is a 16550 A The script ixcom inst had loaded module into kernel and find a VXC card that have two serial port ttySVO and ttySV1 VXC Cards User s Manual Ver 1 1 06 09 2005 pmh 012 01 25 The ixcom inst script will use major number 254 to create correspond device on the dev Is la dev ttySV crw rw rw 1 root 64 Jul 14 10 13 dev ttySVO crw rw rw 1 root 65 Jul 14 10 13 dev ttySV1 crw rw rw 1 root 66 Jul 14 10 13 dev ttySV2 crw rw rw 1 root 67 Jul 14 10 13 dev ttySV3 crw rw rw 1 root 68 Jul 14 10 13 dev ttySV4 crw rw rw 1 root 69 Jul 14 10 13 dev ttySV5 crw rw rw 1 root 70 Jul 14 10 13 dev ttySV6 crw rw rw 1 root 71 Jul 14 10 13 dev ttySV7 crw rw rw 1 root 72 Jul 14 10 13 dev ttySV8 crw rw rw 1 root 73 Jul 14 10 13 dev ttySV9 To remove VXC driver from system use script ixcom remove to removes the loaded modules 3 5 4 Acce

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