C单片机0-9999每秒加1计数器源码

#include<reg52.h> sbit P24=P2^4; sbit P25=P2^5; sbit P26=P2^6; sbit P27=P2^7; unsigned int js; unsigned int count; unsigned char code LEDDis[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xFF,0xBF}; void Delay(unsigned int ii) { unsigned int jj; for(;ii>0;ii--) for(jj=0;jj<125;jj++) {;} } void main() { EA = 1; //允许CPU中断 ET0 = 1; //定时器0中断打开 ET1=1; //定时器1中断打开 TMOD = 0x11; //设定时器0 1为模式1，16位模式 TH0=0xB8; TL0=0x00; //设定时值为（20ms） TH1=0xdc; //设定时值为（10ms） TL1=0x00; TR0 = 1; TR1=1; while(1); } //Download by http://www.codefans.net //定时器0中断外理中键扫描和显示 void Key_Time0(void) interrupt 1 using 2 { TH0=0xb8; TL0=0x00;//设定时值为20000us（20ms) count++; if(count==50){ count=0; js++; } if(js==9999){ js=0; } } void Dis_Time1(void) interrupt 3 using 3 { TH1=0xdc; TL1=0x00;//设定时值为20000us（20ms) P0=LEDDis[js/1000]; P24=0; Delay(2); P24=1; P0=LEDDis[(js%1000)/100]; P25=0; Delay(2); P25=1; P0=LEDDis[(js%100)/10]; P26=0; Delay(2); P26=1; P0=LEDDis[js%10]; P27=0; Delay(2); P27=1; }