ADLINK PCI-7200 - Manual (Page 75)

C/C++ Libraries 63
DI_WAITING: the input samples waiting rising or falling edge trig-
ger to start DI
trig_pol: trigger polarity
DI_RISING: rising edge trigger
DI_FALLING: falling edge trigger
clear_fifo:
0: retain the FIFO data
1: clear FIFO data before perform digital input
disable_di:
0: digital input operation still active after DMA transfer com-
plete
1: disable digital input operation immediately when DMA
transfer complete
@ Return Code
ERR_NoError
ERR_BoardNoInit
ERR_InvalidDIOMode
ERR_InvalidDIOCnt
ERR_NotDWordAlign
ERR_DMATransferNotAllowed