libuart1receiveisr.c

Audio compression on embedded board

/*********************************************************************
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*                       Software License Agreement                   *
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*   The software supplied herewith by Microchip Technology           *
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/******************************************************************************
**
**  Filename:     libuart1ReceiveIsr.c
**
**  System:       RISC
**
**  Platform:     dsPIC30F6014A
**
**  Description:  This file contains only only one ISR for handling UART1 interrupt.
******************************************************************************/

#include "p30fxxxx.h"
#include "G711Lib_common.h"

/*-----------------------------------------------------------------------------
                                  Global Variables
------------------------------------------------------------------------------*/

extern volatile unsigned int fRxCpl, fRxstop;
/******************************************************************************
**
**  Function Name: _U1RXInterrupt
**
**  Description:    This ISR for UART1 interrupt handles data Error Code, Sent
**                  by the other board on Loss Reception of one block of data.
**
*******************************************************************************/
void __attribute__((interrupt, no_auto_psv))  _U1RXInterrupt ( void )
{ 
  //Check for the Error Code.
  if ( U1RXREG == 0x16 )
  {
    fRxstop = 1;					          //Clear the flags.
	fRxCpl = 0;
	codecdata.fBlockplayed = 0x00;
  }
  IFS0bits.U1RXIF = 0x00;			          //Clear the Uart1 Interrupt Flag.
}

/*-----------------------------------------------------------------------------
					  END OF FILE:libuart1ReceiveIsr.c
-----------------------------------------------------------------------------*/