早上好各位！我在使用HC89S003A做可控硅调光时，外中断服务程序中开启一个定时器（T1）可以正常调光，同时开启2个定时器（T1和T4）实现2路调光就不能，先前的1路调光也不能正常工作了。请教，谢谢！ （程序中还开启了T0做简单定时标记）
这是我的定时器代码
#include "HC89S003AF4.h"
#include "globl.h"
extern bit f_pwr1, f_pwr2;
extern bit f_adj_bright1, f_adj_bright2;
extern unsigned short bright1_curr, bright2_curr;
//extern sbit TRIAC;
static unsigned int count1=0, count2=0;
// 0.5ms
//初始化定时器1
void triac2_init(void)
{
TCON1 = 0x00; //T1定时器时钟为Fosc
TMOD = 0x00; //16位重装载定时器/计数器
//Tim1计算时间 = (65536 - 0xFACB) * (1 / (Fosc /Timer分频系数))
// = 1333 / (16000000 / 12)
// = 1 ms
//定时1ms
//反推初值 = 65536 - ((1/1000) / (1/(Fosc / Timer分频系数)))
// = 65536 - ((1/1000) / (1/(16000000 / 12)))
// = 65536 - 1333
// = 0xFACB
TH1 = 0x80;//0xFD;//A;
TL1 = 0x00;//0x76;//CB;
IE |= 0x08; //打开T1中断
//TCON |= 0x40; //使能T1
EA = 1; //打开总中断
}
///// TCON [7:0]---[7].TF1; [6].TR1; [5].TF0; [4].TR0; [3:0].RSV
/// TCON1 [7:0]---[7].RSV; [6].RSV; [5].T1O; [4].T1CLKS; [3,2].RSV; [1].T0O; [0].T0CLKS
/// IE [7:0]---[7].EA; [6].EUART2; [5].EWDT; [4].EUART1; [3].ET1; [2].EX1; [1].ET0;[0].EX0
/// IE1 [7:0]---[7].EX8_15;[6].EX2_7;[5].EADC; [4].ET5; [3].EIIC; [2].ET4; [1].ET3; [0].ESPI
/// T3CON [7:0]-- [7].TF3; [6].PDEN; [5,4].PS:00-1; [3].RSV; [2].TR3:0-DS; [1,0].CLKS:00-Fosc
// 01-8 1-EN 01-exck
// 10-64 10-32768
// 11-256 11-RC44K
// T4CON [7:0]=--[7].TF4; [6].TC4 [5,4].PRES; [3,2].MODE; [1].TR4; [0].T4CLKS
// T5CON [7:0]---[7].TF5(SC); [6].EXF5; [5,4].PRES; [3,2].MODE; [1].TR5; [0].EXEN5
// T5CON1[7:0]---[7:2].RSV; [1,0].CAPM-00.T5 pin edge;
// 01.inner RC
// 10.RX1
// 11.RX2
// T5CON2[7:0]---[7:3].RSV; [2].T5_MODE-0.UP TO T5M; [1].RSV; [0].T5CAPCR
// 1.rise or fall edge
//初始化定时器4
void triac_init(void)
{
TH4 = 0x80;//0xFD;
TL4 = 0x00;//0x76;
T4CON = 0x0;//NO prescal
ET4 = 1;//IE1 |= 0x02;
EA = 1;
}
//unsigned char up = 1;
/***************************************************************************************
* @说明 T1中断服务函数
* @参数 无
* @返回值 无
* @注 无
* 0.5MS
***************************************************************************************/
void TIMER1_Rpt(void) interrupt TIMER1_VECTOR
{
//EA = 1;
count1++;
/*
if (up)
{
bright1_curr++;
if (bright1_curr >= 1000)
{
up = 0;
}
}else
{
if (bright1_curr > 120)
{
bright1_curr--;
}
else
up = 1;
}
*/
//if ((f_adj_bright1) || (f_pwr1) )
//{
if(count1 >= (CTRL_NUM - (bright1_curr/50)))
{
TRIAC1 = 1;//triac_on;
if (count1 >= 16)//CTRL_NUM)//(control_value + 30))
{
TRIAC1 = 0;//triac_off;
TCON &= ~0x40;//停止T1
count1 = 0;
}
}
//}
}
// 0.5ms
//void TIMER3_Rpt(void) interrupt T3_VECTOR
void TIMER4_Rpt(void) interrupt T4_VECTOR
{
//EA = 1;
//T4CON &= ~0x80;//clear int flag
T4CON &=~ 0x80;
count2++;
//TRIAC2 = ~TRIAC2;
//if ((f_adj_bright2) || (f_pwr2))
//{
if(count2 >= (CTRL_NUM - (bright2_curr/50)))
{
TRIAC2 = 1;//triac_on;
if (count2 >= 16)//
{
TRIAC2 = 0;//triac_off;
T4CON &= ~0x02;//TR3 = 0;//TCON &= ~0x40;//停止T4
count2 = 0;
}
}
//}
}
//INT4 initial
void Int4_init(void)
{
P0M2 = P0M2 & 0xF0 | 0x06;//P04 pullup with SMT input
PITS1 |= 0x03;// INT4 双沿中断
PINTE0 |= 0x10;//EINT4 = 1;//PINTE
EX2_7 = 1;// IE1 [7:0] : [7-EX8_15]; [6-EX2_7]; [5-EADC]; [4-ET5]; [3-EIIC];
}
// INT4 interrupt
void INT2_7_Rpt() interrupt INT2_7_VECTOR
{
if (PINTF0 & 0x10)
{
PINTF0 &= ~0x10;
count1 = 0;
count2 = 0;
//if ((f_pwr1) || (f_adj_bright1))
//{
TCON |= 0x40;//使能T1
/* }
else
{
TCON &= ~0x40;//停止T1
}*/
/*if ((f_pwr2) || (f_adj_bright2))
{*/
T4CON |= 0x02;//TR3 = 1;//使能T3
/*}
else
{
T4CON &= ~0x02;//TR3 = 0;//停止T3
}*/
}
}
