ADLINK PCM-9112+ - Manual (Page 55)

C/C++ Library • 47
5.5 _9112_DI _Channel
@ Description
This function is used to read data from the digital input channels (bit).
There are 16 digital input channels on the PCI-9112. When performing
this function, the digital input port is read and the value of the
corresponding channel is returned.
* Channel means each bit of digital input ports.
@ Syntax
Visual C++ (Windows-95)
int W_9112_DI_Channel (int card_number, int di_ch_no,
unsigned int *di_data)
Visual Basic (Windows-95)
W_9112_DI_Channel (ByVal card_number As Long, ByVal
di_ch_no As Long, di_data As Long) As Integer
C/C++ ( DOS)
int _9112_DI_Channel (int card_number, int di_ch_no,
unsigned int *di_data )
@ Argument
card_number: the card number of PCI-9112
di_ch_no: the DI channel number, the value has to be
set from 0 to 15.
di_data: return value, either 0 or 1.
@ Return Code
ERR_NoError, ERR_BoardNoInit, ERR_InvalidDIChannel