中断3 - 副本.rar

#include<reg52.h> sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3; sbit ENLED = P1^4; unsigned char code LedChar[]={ 0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8, 0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E }; unsigned char LedBuff[6]={ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF }; unsigned char flagls = 0; unsigned int cnt = 0; unsigned char i = 0; void main() { unsigned long sec = 0; ENLED = 0; ADDR3 = 1; TMOD = 0x01; TH0 = 0xFC; TL0 = 0x67; TR0 = 1; while(1) { if(flagls == 1) { flagls = 0; sec++; LedBuff[0] = LedChar[sec%10]; LedBuff[1] = LedChar[sec/10%10]; LedBuff[2] = LedChar[sec/100%10]; LedBuff[3] = LedChar[sec/1000%10]; LedBuff[4] = LedChar[sec/10000%10]; LedBuff[5] = LedChar[sec/100000%10]; } } void time0() interrupt 1 { TH0 = 0xFC; TL0 = 0x67; cnt++; if(cnt >= 1000) { cnt = 0; flagls = 1; } P0 = 0xFF; switch(i) { case 0:ADDR2=0;ADDR1=0;ADDR0=0;i++; P0=LedBuff[0];break; case 1:ADDR2=0;ADDR1=0;ADDR0=1;i++; P0=LedBuff[1];break; case 2:ADDR2=0;ADDR1=1;ADDR0=0;i++; P0=LedBuff[2];break; case 3:ADDR2=0;ADDR1=1;ADDR0=1;i++; P0=LedBuff[3];break; case 4:ADDR2=1;ADDR1=0;ADDR0=0;i++; P0=LedBuff[4];break; case 5:ADDR2=1;ADDR1=0;ADDR0=1;i=0; P0=LedBuff[5];break; default:break; } }