ADLINK cPCI-9116 - Manual (Page 81)

C++ Library
• 71
6.9.3 _9116_AD_DMA_Stop
@ Description
This function is used to stop the DMA data transfer and obtain the start
index of the data buffer when pre-trigger or middle-trigger is selected.
@ Syntax
C/C++ (DOS)
int _9116_AD_DMA_Stop( I16 card_number, U32 *count, U32
*start_idx )
@ Argument
card_number: the card number of the cPCI-9116 to be initialized,
totally 4 cards can be initialized, valid card
numbers are CARD_1, CARD_2, CARD_3,
CARD_4.
Count: the number of A/D converted data that have been
transferred.
start_idx: The index where the data started from within the
user’s buffer, i.e the sequence of read data is:
buff[start_idx], buff[start_idx+1], _, buff[0],
buff[1],_.,buff[start_idx-1].
@ Return Code
ERR_NoError
ERR_BoardNoInit