User`s manual

C/C++ Libraries 39
72XX Series
User’s Manual
5.4 Digital Input
@ Description
This function is used to read 8-bit digital input data from digital
input ports. You can get the 8-bit data from _7248_DI by using this
function. The written data and read-in data is 8-bit data. Each data
is mapped to a signal as shown below.
@ Syntax
PCI-7224/7248, cPCI-7248, cPCI-7249R:
C/C++ (DOS)
U16 _7248_DI (U16 cardNo, U16 channelPort, U8
*diData)
U16 _7249_DI (U16 cardNo, U16 channelPort, U8
*diData)
U16 _7296_DI (U16 cardNo, U16 channelPort, U8
*diData)
C/C++ (Windows 95)
U16 W_7248_DI (U16 cardNo, U16 channelPort, U16
*diData)
U16 W_7249_DI (U16 cardNo, U16 channelPort, U16
*diData)
U16 W_7296_DI (U16 cardNo, U16 channelPort, U16
*diData)
Visual Basic (Windows 95)
W_7248_DI (ByVal cardNo As Integer, ByVal
channelPort As Integer, diData As Integer)
As Integer
W_7249_DI (ByVal cardNo As Integer, ByVal
channelPort As Integer, diData As Integer)
As Integer
D7 D6 D5 D4 D3 D2 D1 D0
PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0
PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0