miaobiao.zip_C52控制秒表_miaobiao_秒表

#include <REGX51.H> #define uint unsigned int #define uchar unsigned char uint shuju[10]={0,0,0,0,0,0,0,0},maxshuju=0; uint miaobiao=0; uint cj=0, cj_1=0, i=0, da=0; uint s[16]={ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; bit a=1, b=0, key_key=0, miaobiao_kai=0; sbit k0 = P3^3; sbit k1 = P3^4; sbit k2 = P3^5; sbit k3 = P3^6; sbit k4 = P3^7; sbit smg0 = P1^0; sbit smg1 = P1^1; sbit smg2 = P1^2; sbit smg3 = P1^3; sbit BEEP = P1^5; sbit LED = P1^6; void delay(uchar i) { uchar j,k; for(j=i; j>0; j--) for(k=125 ;k>0; k--); } void t0_init(void) { TMOD = 0x01; TL0 = 0x0F0; TH0 = 0x0D8; ET0 = 1; EA = 1; TR0 = 1; } uchar display(uchar i) { if(i == 0) return 0xC0; else if(i == 1)return 0xF9; else if(i == 2)return 0xA4; else if(i == 3)return 0xB0; else if( i == 4)return 0x99; else if(i == 5)return 0x92; else if(i == 6)return 0x82; else if(i == 7)return 0xF8; else if(i == 8)return 0x80; else if(i == 9)return 0x90; } void time0(void) interrupt 1 { TL0 = 0x0F0; TH0 = 0x0D8; if(P1 != 0xff) key_key = 1; if(miaobiao_kai) miaobiao++; if(miaobiao == 10) { miaobiao = 0; shuju[cj]++; } } void main(void) { t0_init(); while(1) { if(shuju[cj] > maxshuju) { BEEP = 0; LED = 0; } else { BEEP = 1; LED = 1; } if(a &&!b) { smg0 = 0; smg1 = 1; smg2 = 1; smg3 = 1; P0 = display(shuju[cj] / 1000) & 0x7f;; delay(1); P0 = 0xff; delay(1); smg0 = 1; smg1 = 0; smg2 = 1; smg3 = 1; P0 = display(shuju[cj] % 1000 / 100); delay(1); P0 = 0xff; delay(1); smg0 = 1; smg1 = 1; smg2 = 0; smg3 = 1; P0 = display(shuju[cj] % 1000 % 100 / 10 ) & 0x7f;; delay(1); P0 = 0xff; delay(1); smg0 = 1; smg1 = 1; smg2 = 1; smg3 = 0; P0 = display(shuju[cj] % 10); delay(1); P0 = 0xff; delay(1); } if(b &&! a) { smg0 = 0; smg1 = 1; smg2 = 1; smg3 = 1; P0 = display(maxshuju / 1000) & 0x7f;; delay(1); P0 = 0xff; delay(1); smg0 = 1; smg1 = 0; smg2 = 1; smg3 = 1; P0 = display(maxshuju % 1000 / 100); delay(1); P0 = 0xff; delay(1); smg0 = 1; smg1 = 1 ; smg2 = 0; smg3 = 1; P0 = display(maxshuju % 1000 % 100 / 10) & 0x7f;; delay(1); P0 = 0xff; delay(1);; smg0 = 1; smg1 = 1; smg2 = 1; smg3 = 0; P0 = display(maxshuju % 10); delay(1); P0 = 0xff; delay(1); } if(key_key) { if(k0 == 0) { while(k0 == 0); miaobiao_kai =! miaobiao_kai; miaobiao = 0; a = 1; b = 0; cj = cj_1; } if(k1 == 0 && miaobiao_kai) { while(k1 == 0); shuju[cj + 1] = shuju[cj] + 1000; cj++ ; if(cj > 9) cj = 0; cj_1 = cj; } if(k1 == 0 && (!miaobiao_kai)) { while(k1 == 0); cj--; if(cj > cj_1) cj = cj_1; } if(k2 == 0) { while(k2 == 0); miaobiao_kai = 0; a = miaobiao_kai; b = 1; maxshuju++; } if(k3 == 0) { while(k3 == 0); miaobiao_kai = 0; miaobiao_kai = 0; a = 1; b = 0; for(cj=0, cj_1=0; cj<10; cj++) { shuju[cj] = 0; } if(k4 == 0) { while(k4 == 0); maxshuju = 0; } } } key_key = 0; } }