appisr.c

MSP430与dsp接口技术,编辑环境C语言,我运行过,好

/************************************************************ 
//  Copyright (C) 2004 Texas Instruments, Inc. 
//
//  File: appisr.c
//
//  Comment: Application-specific ISR's for [MSP + DSP] Audio Player
//
//  Author: Randy Wu
//  Company: Texas Instruments, Inc
//  Date: September 2004
//  IDE: Built with IAR Systems Embedded Workbench 430 V3.20A
//
************************************************************/

#include "app.h"
#include "es449_sblcda2t.h"
#include <salvo.h>

static char CODE;   // this must be kept static for inter-task communication!!! 
  
/**********BASICTIMER_VECTOR**********************************************************/
#pragma vector=BASICTIMER_VECTOR
__interrupt void APPISR_basicTimer( void )
{
  _BIC_SR_IRQ(LPM3_bits);             // Come out of LPM3
  OSSignalBinSem(BINSEM_PERIODIC_P);
}

/**********PORT2_VECTOR**********************************************************/
#pragma vector=PORT2_VECTOR
__interrupt void APPISR_port2( void )
{
  _BIC_SR_IRQ(LPM3_bits);             // Come out of LPM3
                                                                 
  // SW1 pressed ? 
  if (P2IFG & BIT0) {
    CODE = SW1_PRESSED;
    OSSignalMsg(MSG_PORT2_P, (OStypeMsgP) &CODE); // Signal the task
    P2IFG &= ~BIT0; // Clear interrupt flag
  }
  // SW2 pressed ?
  if (P2IFG & BIT2) { 
    CODE = SW2_PRESSED;
    OSSignalMsg(MSG_PORT2_P, (OStypeMsgP) &CODE); // Signal the task           
    P2IFG &= ~BIT2; // Clear interrupt flag
  }
}

/**********UART0RX_VECTOR**********************************************************/
#pragma vector=UART0RX_VECTOR
__interrupt void APPISR_usart0rx( void )
{        
  while ((IFG1 & UTXIFG0) == 0);        // USART0 TX buffer ready?
  CODE = INCOMING_MSG;
  OSSignalMsg(MSG_PORT2_P, (OStypeMsgP) &CODE); // Signal the task
  TXBUF0 = RXBUF0;                      // Echo character (for debug purposes only)
}

/**********ADC_VECTOR**********************************************************/
#pragma vector=ADC_VECTOR
__interrupt void APPISR_adc12( void )
{
  ADC12CTL0 &= ~REFON;                  // Turn off the reference to save power
  
  if ((ADC12IFG & BIT0) == BIT0) {  // ADC12MEM0 ISR
    LCD_displayTemperature(ADC12MEM0);  // Output temp result to LCD
    ADC12IFG &= ~BIT0;                  // Reset my own Int Flag Bit
  } 
}