ADLINK PCI-8144 - Manual (Page 156)

146 Function Library
_8144_get_gpio_output_channel
Get a specified DOUTn digital output signal
Description:
Syntax:
I16 _8144_get_gpio_output_channel( I16 CardId,
I16 ChannelNum, I16 *DoValue )
B_8144_get_gpio_output_channel( ByVal CardId As
Integer, ByVal ChannelNum As Integer,
DoValue As Integer ) As Integer
Parameters:
I16 CardId : Specify the PCI-8144 card index. The CardId
could be decided by DIP switch (SW1) or depend on slot
sequence.Please refer to _8144_initial().
I16 ChannelNum : Specified the channel number of digital
output.
Z CH0-CH7 : 0-7
I16 *DoValue : The information of the specified DO signal.
Z Value meaning: 0:OFF, 1:ON
Return Values:
ERR_ParametersInvalid
ERR_DeviceNotInitial
ERR_NoError
Example:
I16 CardId = 0; //Card ID number
I16 ChannelNum = 0; //DO ch0
I16 DoValue; //Do information
ret = _8144_get_gpio_output_channel( CardId,
ChannelNum, &DoValue );
…
See also:
_8144_set_gpio_output
_8144_set_gpio_output_channel
_8144_get_gpio_output