Adlink PCI-7256 Uživatelský manuál stáhnout pdf (Strana 43)

C/C++ DOS Libraries

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5.9 _7256_CLR_IRQ

@ Description

This function is used to clear the interrupt request of PCI-7256.

@ Syntax

U16 _7256_CLR_IRQ (U16 boardID, U16 COS_CLR, U16

CH0_CLR, U16 CH1_CLR)

@ Argument

boardID:

Board ID to the specific borad.

COS_CLR:

Write ‘1’ to clear COS interrupt request and

write ‘0’ without any effect.

CH0_CLR:

Write ‘1’ to clear digital input channel 0 and

write ‘0’ without any effect.

CH1_CLR:

Write ‘1’ to clear digital input channel 1 and

write ‘0’ without any effect.

@ Return Code

ERR_NoError, ERR_BoardNoInit

5.10 _7256_GET_IRQ_Status

@ Description

This function is used to get the interrupt status of PCI-7256.

@ Syntax

U16 _7256_GET_IRQ_Status (U16 boardID, U16 *COS_Status,

U16 *CH0_Status, U16 *CH1_Status)

@ Argument

boardID:

Board ID to the specific borad

COS_Status:

COS interrupt status. ‘1’ represents

interrupt asserts. ‘0’ represents interrupt de-asserts.

CH0_Status:

Digital input channel 0 interrupt status.

‘1’ represents interrupt asserts. ‘0’ represents

interrupt de-asserts.

CH1_Status:

Digital input channel 1 interrupt status.

‘1’ represents interrupt asserts. ‘0’ represents

interrupt de-asserts.

@ Return Code

ERR_NoError, ERR_BoardNoInit

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