ADLINK Technology NuDAQ ACL-8216, Руководство пользователя

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C/C++ Library
5.14 _8216_CLR_IRQ
@ Description
This function is used to clear interrupt request which requested by
the ACL-8216. If you use interrupt to transfer A/D converted data, you
should use this function to clear interrupt request status, otherwise
no new coming interrupt will be generated.
@ Syntax
int _8216_CLR_IRQ( void )
@ Argument
None
@ Return Code
ERR_NoError
ERR_BoardNoInit
@ Example
#include "8216.h"
main()
{
int ad_data;
int ErrCode;
_8216_Initial( CARD_1, 0x220 );
/* Assume NoError when Initialize ACL-8216 */
_8216_CLR_IRQ();
/* clear IRQ if necessary */
}
5.15 _8216_AD_DMA_Start
@ Description
The function will perform A/D conversion N times with DMA data
transfer by using the pacer trigger ( internal tim er trigger). It will takes
place in the background which will not stop until the N -th conversion
has completed or your program execute _8216_AD_DMA_Stop()
function to stop the process. After executing this function, it is
necessary to check the status of the operation by using the function
_8216_AD_DMA_Status(). The function is performed on single A/D
channel with fixed gain. The sampling rate is 2 MHz/(c1xc2).
@ Syntax
int _8216_DMA_Start( int ad_ch_no, int ad_range,
int dma_ch_no, int irq_ch_no