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 complete
1:disable digital input operation immediately when DMA transfer complete
@Return Code
ERR_NoError
ERR_BoardNoInit
ERR_InvalidDIOMode
ERR_InvalidDIOCnt
ERR_NotDWordAlign
ERR_DMATransferNotAllowed
5.18 _7200_DI_DMA_Status
@ Description
Since the _7200_DI_DMA_Start function is executed in background, users can issue this function to check its operation status. This function only works when
@ Syntax
Visual C++ (Windows 95)
int W_7200_DI_DMA_Status (U8 *status, U32 *count)
Visual Basic (Windows 95)
W_7200_AD_Status (status As Byte, count As Long ) As Long
C/C++ (DOS)
int _7200_AD_DMA_Status (U8 *status, U32 *count)
@ Argument
status:status of the DMA data transfer
0:DI_DMA_STOP: DMA is completed
1:DI_DMA_RUN: DMA is not completed
count: the numbers of DI data which has been transferred.
@ Return Code
ERR_NoError
