ADLINK cPCI-7252 - Manual (Page 6)

ii Table of Contents
cPCI-7252 Pin Assignment ........................................... 17
LPCI-7250 CN1 Pin Assignment .................................. 18
2.7 PCI-7250 and PCI-7251 Connection ................................. 19
3 Registers............................................................................ 21
3.1 PCI PnP Registers ............................................................. 21
3.2 I/O Address Map ................................................................ 22
3.3 Relay Output and Readback Registers.............................. 22
3.4 Isolation Input Registers .................................................... 23
4 Operation Theory .............................................................. 25
4.1 Using Relay Output............................................................ 25
4.2 Using Isolated Input ........................................................... 27
5 C/C++ Libraries ................................................................. 29
5.1 Libraries Installation ........................................................... 29
5.2 Programming Guide........................................................... 29
Naming Convention ...................................................... 29
Data Types ................................................................... 30
5.3 Running Testing Utility (7250UTIL.EXE)............................ 30
5.4 725X Initialization............................................................... 32
@ Description ............................................................... 32
@ Syntax ...................................................................... 32
@ Arguments ................................................................ 32
@ Return Code ............................................................. 33
5.5 _7250_DI, _7252_DI.......................................................... 34
@ Description ............................................................... 34
@ Syntax ...................................................................... 34
@ Arguments ................................................................ 34
@ Return Code ............................................................. 35
5.6 _7250_DO, _7252_DO ...................................................... 36
@ Description ............................................................... 36
@ Syntax ...................................................................... 36
@ Arguments ................................................................ 36
@ Return Code ............................................................. 37
5.7 _7250_DO_Read_Back, _7252_DO_ReadRelay.............. 37
@ Description ............................................................... 37
@ Syntax ...................................................................... 37
@ Arguments ................................................................ 37
@ Return Code ............................................................. 38