isr.c

来自「Hitech microchip PIC C18 Compiler」· C语言 代码 · 共 37 行

// Interrupt service routines
#include <htc.h>

// High-priority service
void interrupt my_isr(void){

	/***** Timer 0 Code *****/
	if((TMR0IE)&&(TMR0IF)&&(TMR0IP)){
		RB0 ^= 1;	// Toggle PORT pin
		TMR0IF=0;	// clear event flag
	}
	
	/***** Timer 1 Code *****/
	if((TMR1IE)&&(TMR1IF)&&(TMR1IP)){
		RB1 ^= 1;	// Toggle PORT pin
		TMR1IF=0;	// clear event flag
	}
	
}

// Low-priority service
void low_priority interrupt my_isr_low(void){

	/***** Timer 0 Code *****/
	if((TMR0IE)&&(TMR0IF)&&(!TMR0IP)){
		RB2 ^= 1;	// Toggle PORT pin
		TMR0IF=0;	// clear event flag
	}
	
	/***** Timer 1 Code *****/
	if((TMR1IE)&&(TMR1IF)&&(!TMR1IP)){
		RB3 ^= 1;	// Toggle PORT pin
		TMR1IF=0;	// clear event flag
	}
	
}