电子温度报警系统设计(17)

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附:

#include "reg51.h" #include"18b20.h"

unsigned char wei_tab1[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};

unsigned char code duan_tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71, 0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87, 0xff,0xef,0xf7,0xfc,0xb9,0xde,0xf9,0xf1, 0x00,0x40,0x73,0x38,0x76,0x50,0x78,0x6e}; unsigned char led_buffer[]={0,1,2,3,4,5,6,7,8,9}; int count=0,count1=0; char disp_count=0;

char hour=23,hour0,hour1,hour2,hour3; char min=56,min0,min1,min2,min3;

char sec=20,sec0,sec1,sec2,sec3,sec4,sec5; int temp=25; int temp1=0; int ms=0;

int c=0,a=0,wendu=300,wendu1=350,guanbi=0,suo=0,suo1=0,suo2=0; unsigned char jingbao_time[]; char miehuo=0;

sbit jingbao3=P1^6; sbit jingbao=P1^0; sbit jingbao1=P1^1; sbit jingbao2=P1^3; sbit jingbao4=P1^7;

unsigned char key_code=0; unsigned char key_press=0; void delay(long dly) {

while(dly--); }

void disp_dig(void) {

P0=0xff; P2=wei_tab1[disp_count]; P0=~duan_tab[led_buffer[disp_count]]; disp_count++; if(disp_count>7) {

disp_count=0; } }

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