ATDX_DEVTYPE( )

Description | Cautions | Example | Errors

Name:	long ATDX_DEVTYPE(dev)
Inputs:	int dev	valid Dialogic board or channel device handle
Returns:	device type if successful AT_FAILURE if error
Includes:	srllib.h dxxxlib.h
Category:	Extended Attribute

Description

The ATDX_DEVTYPE( ) function returns device type of the board or channel dev.

The function parameter is defined as follows:

Parameter	Description
dev	specifies the valid Dialogic device handle obtained when a board or channel was opened using dx_open( ).

Possible return values are the following:

DT_DXBD	Board device
DT_DXCH	Channel

Cautions

None.

Example

#include <stdio.h>  
#include <srllib.h>  
#include <dxxxlib.h>  
#include <windows.h>  
   
main()  
{  
   int bddev;  
   long devtype;  
   
   /* Open the board device */  
   if ((bddev = dx_open("dxxxB1",NULL)) == -1) {  
     /* Process error */  
   }  
   
   if((devtype = ATDX_DEVTYPE(bddev)) == AT_FAILURE) {  
     /* Process error */  
   }  
   
   if(devtype == DT_DXBD) {  
      printf("Device is a Board\n");  
   }  
   
   /* Continue processing */  
      .  
      .  
}

Errors

This function will fail and return AT_FAILURE if an invalid board or channel device handle is specified in dev.

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