ATDV_IRQNUM( )

Description | Example | Errors

Name:	long ATDV_IRQNUM(dev)
Inputs:	int dev	valid Dialogic device handle
Returns:	AT_FAILURE if failure otherwise
	IRQ of device
Includes:	srllib.h
Category:	standard attribute

Description

The ATDV_IRQNUM( ) function returns the interrupt number (IRQ) used by the device.

Parameter	Description
dev	Device handle, the handle returned by the technology-specific xx_open( ).

Example

#include <windows.h>  
#include <srllib.h>  
#include <dxxxlib.h>

  
main()  
{  
   int dxxxdev;
  
   /* Open a dxxx channel device */  
   if(( dxxxdev = dx_open( "dxxxB1C1", 0 )) == -1 ){  
      printf( "Error: cannot open device\n" );  
      exit( 1 );  
   }
  
   printf( "Device irq is %d\n", ATDV_IRQNUM( dxxxdev ));  
}

Errors

This function returns the value defined by AT_FAILURE if the device has no IRQ number or if an invalid device handle is specified in dev.

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