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#define SOFTIIC_SCL P1_0
#define SOFTIIC_SCL_OUT {P1M1|=0x01;P1M0|=0x01;}//P1_0開漏輸出
#define SOFTIIC_SDA P1_1
#define SOFTIIC_SDA_IN {P1M1|=0x02;P1M0&=~0x02;}//P1_1高阻輸入
#define SOFTIIC_SDA_OUT {P1M1|=0x02;P1M0|=0x02;}//P1_1開漏輸出
#include <STC8HX.h>
uint32 sys_clk = 24000000;//設置PWM、定時器、串口、EEPROM頻率參數
#include "mylib/TM1650.h"
#include "lib/delay.h"
uint8 shi = 23;
uint8 fen = 59;
uint8 miao = 50;
uint8 lj_50ms = 0;
void diaplay();
void Timer0Init(void) //2566微秒@24.000MHz
{
AUXR &= 0x7f; //定時器時鐘12T模式
TMOD &= 0xf0; //設置定時器模式
TL0 = 0xf4; //設定定時初值
TH0 = 0xeb; //設定定時初值
}
/*描述該功能...
*/
void diaplay(){
TM1650_displayBit(fen % 10,1,0);
TM1650_displayBit(fen / 10,2,0);
TM1650_displayBit(shi % 10,3,1);
TM1650_displayBit(shi / 10,4,0);
}
void T_IRQ0(void) interrupt 1 using 1{
lj_50ms--;if(lj_50ms == 0){
miao++;if(miao >= 60){
fen++;miao = 0;
if(fen >= 60){
shi++;miao = 0;
fen = 0;
if(shi >= 24){
delay(160000);
miao = 0;
fen = 0;
shi = 0;
}
}
}
}
}
void setup()
{
TM1650_Init();//TM1650初始化
Timer0Init();
EA = 1; // 控制總中斷
ET0 = 1; // 控制定時器中斷
TR0 = 1;// 定時器0開始計時
P3M1&=~0x08;P3M0|=0x08;//推挽輸出
P3M1&=~0x04;P3M0|=0x04;//推挽輸出
P3M1&=~0x80;P3M0|=0x80;//推挽輸出
}
void loop()
{
diaplay();
if(P3_2 == 0){
if(fen <= 58){
fen = fen + 1;
delay(150);
}
else{
fen = 0;
}
}
if(P3_3 == 0){
if(shi <= 23){
shi = shi + 1;
delay(150);
}
else{
shi = 0;
}
}
if((P3_3 == 0) && (P3_2 == 0)){
miao = 0;
}
}
void main(void)
{
setup();
while(1){
loop();
}
}

復制代碼

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