Adlink ACL-8216 Manual de usuario descargar pdf (Pagina 64)

•

C/C++ Library

5.16 _8216_AD_DMA_Status

@ Description

Since the _8216_AD_DMA_Start function is executed in background,

you can issue the function _8216_AD_DMA_Status to check its

operation status.

@ Syntax

int _8216_AD_DMA_Status( int *status , int *count )

@ Argument

status:

status of the DMA data transfer

0: AD DMA is not completed

1: AD DMA is completed

count:

the number of A/D data which has been

transferred.

@ Return Code

ERR_NoError

ERR_BoardNoInit

ERR_AD_DMANotSet

@ Example

See demo program 'AD_Demo4.C'

5.17 _8216_AD_DMA_Stop

@ Description

This function is used to stop the DMA data transfer. After executing

this function, the internal A/D trigger is disable and the A/D timer

( timer #1 and #2) is stopped. The function returns the number of the

data which has been transferred, no matter if the A/D DMA data

transfer is stopped by this function or by the DMA terminal count ISR.

@ Syntax

int _8216_AD_DMA_Stop( int *count )

@ Argument

count:

the number of A/D converted data which

has been transferred.

@ Return Code

ERR_NoError

ERR_BoardNoInit

ERR_AD_DMANotSet

@ Example

See demo program 'AD_Demo4.C'

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 74 75

Sin comentarios

Adlink ACL-8216 Manual de usuario Pagina 64