adiStopEnergyDetector

Stops the energy detector.

Supported board types

Prototype

DWORD adiStopEnergyDetector ( CTAHD ctahd)

Argument	Description
ctahd	Context handle returned by ctaCreateContext or ctaAttachContext.

Return values

Return value	Description
SUCCESS
CTAERR_FUNCTION_NOT_ACTIVE	Attempt made to stop a function that was not running.
CTAERR_INVALID_CTAHD	Context handle is invalid.
CTAERR_INVALID_SEQUENCE	Attempt made to stop a function that is already being stopped.
CTAERR_INVALID_STATE	Function not available in the current port state.
CTAERR_SVR_COMM	Server communication error.

Events

Event	Description
ADIEVN_ENERGY_DETECT_DONE	After the detector stops, the ADI service generates a DONE event with the value field set to CTA_REASON_STOPPED.

Details

Use adiStopEnergyDetector to stop the low-level energy detector started by adiStartEnergyDetector. After this function is called, energy and silence transitions are not reported. You can restart the energy detector after you receive the DONE event.

For more information, refer to Detecting energy.

Example

int myStopEnergyDetector( CTAHD ctahd )
{
  CTA_EVENT event;

  if( adiStopEnergyDetector( ctahd ) != SUCCESS )
      return MYFAILURE;

  while( 1 )
  {
      myGetEvent( &event );            /* see ctaWaitEvent example */

      switch( event.id )
      {
          case ADIEVN_ENERGY_DETECT_DONE:
              if( event.value == CTA_REASON_RELEASED )
                  return MYDISCONNECT; /* call has been terminated */
              else if( CTA_IS_ERROR( event.value ) )
                  return MYFAILURE;                   /* API error */
              else
                  return SUCCESS;              /* stopped normally */
              break;

          /* might include cases to handle disconnect, DTMFs, etc. */
      }
  }
}