ATDV_LASTERR( )

Description | Example | Errors | See Also

Name:	long ATDV_LASTERR(dev)
Inputs:	int dev	valid Dialogic device handle
Returns:	AT_FAILURE if an invalid device handle;
	otherwise a valid error number
Includes:	srllib.h
Category:	standard attribute

Description

The ATDV_LASTERR( ) function returns a long value that indicates the last error that occurred on this device. The errors are defined in the technology-specific header (.h) file of the specified 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;  
   int parm = ET_RON;
  
/* Open dxxx channel device */  
   if(( dxxxdev = dx_open( "dxxxB1C1", 0 )) == -1 ){  
      printf( "Error: cannot open device\n" );  
      exit( 1 );  
}  
  /*Attempt to set a board level parameter on a channel device-will fail */  
    if( dx_setparm( dxxxdev, DXBD_R_EDGE, &parm ) == -1 ){  
   printf( "The last error on the device was 0x%x\n",  
                     ATDV_LASTERR( dxxxdev ));  
   }  
}

Errors

This function returns AT_FAILURE if an invalid device handle is specified in dev.

See Also

• The appropriate technology-specific Programmer's Guide

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