timer.c

来自「AVR下的WG26中断接收函数及相关资料说明」· C语言 代码 · 共 45 行

#include "typedef.h"
#include "time.h"
#include "ll.h"

unsigned char prgCnt = 0;
void time(void) interrupt 1 using 2
{
//	TH0=0x82;                    //10ms的基准定时,40M
//	TL0=0x35;
	
	TH0=0xdc;                    //10ms的基准定时,11.0592M
	TL0=0x00;

	prgCnt ++;	//prg run
	pwUpScanCnt ++;	
	if(b_spker)spkerCnt++;
	if(b_com_r6c) 
	{
		timeout --;
		if(timeout==0)
		{ 
			TIMERINT=1;
			b_com_r6c=0;
		}
	}

}
/**************************************************************/
BOOL _setTimer(uchar timeout_temp)
{
	b_com_r6c = 1;
	timeout = timeout_temp;
	TIMERINT= 0;
	TR0 = 1;
	return(TRUE);
}
void _clrTimer(void)
{
	b_com_r6c = 0;
	timeout = 0;
	TIMERINT = 0;
}