51的课程设计_LCD1602+DS1302+串口修改

#include<reg52.h> #include<LCD.h> #include<key_scan.h> #include<ds1302.h> #include <intrins.h> sbit speaker=P3^4; unsigned char time[6]={0x00,0x20,0x10,0x0f,0x04,0x0a};//读时间的续冲，初始值是写入的时间， unsigned char time_read[6]={0x00,0x00,0x00,0x00,0x00,0x00}; code unsigned char addr_write[6]={0x80,0x82,0x84,0x86,0x88,0x8c}; code unsigned char addr_read[6]={0x81,0x83,0x85,0x87,0x89,0x8d}; unsigned char display[12]={0,0,0,0,0,0,0,0,0,0,0,0}; unsigned char flag=0,buffer,j,addr=5,erro=0,cnt=0,clk_00=0; void LCD_display(); void read_time(); void clock_init(); void bcd_to_hex(); void ser_init(); void clock_come(); void timer_init(); unsigned char hex_to_bcd(unsigned char kk); main() { timer_init(); ser_init(); LCD_init(); clock_init(); while(1) { if(flag) { ES=0; SBUF=buffer; while(TI==0); TI=0; ES=1; flag=0; } LCD_write(1,0,addr+0x30); read_time(); clock_come(); bcd_to_hex(); LCD_display(); } } void clk_isr() interrupt 1 { speaker=~speaker; TH1=(65536-10000)/256; TL1=(65536-10000)%256; cnt++; if(cnt==10) { clk_00=0; TR0=0;} } void ser_isr() interrupt 4 { RI=0; buffer=SBUF; buffer=hex_to_bcd(buffer); write_DS1302_reg(addr_write[addr],buffer); addr--; if(addr==0) addr=5; P0=buffer; flag=1; } void timer_init() { TMOD=0x01; TH1=(65536-10000)/256; TL1=(65536-10000)%256; ET0=1; } void clock_come() { if(clk_00==1) { TR0=1; } } unsigned char hex_to_bcd(unsigned char kk) { unsigned char jj; jj=kk/10; kk=kk%10; kk=kk+jj*16; return kk; } void ser_init() { TMOD=0x20; TH1=0xfd; TL1=0xfd; TR1=1; SM0=0; SM1=1; REN=1; EA=1; ES=1; } void clock_init() { unsigned char i=0,tmp; for(i=0;i<6;i++) { tmp=time[i]/10; time[i]=time[i]%10; time[i]=time[i]+tmp*16; } write_DS1302_reg(0x8e,0x00); for(i=0;i<6;i++) { write_DS1302_reg(addr_write[i],time[i]); } //write_DS1302_reg(0x8E,0x80); } void read_time() { unsigned char i=0; for(i=0;i<6;i++) { time_read[i]=Read_Ds1302(addr_read[i]); } if(time_read[0]==0&&time_read[1]==0) clk_00=1; } void bcd_to_hex() { display[11]=time_read[0]&0x0f; display[10]=time_read[0]/16; display[9]=time_read[1]&0x0f; display[8]=time_read[1]/16; display[7]=time_read[2]&0x0f; display[6]=time_read[2]/16; display[5]=time_read[3]&0x0f; display[4]=time_read[3]/16; display[3]=time_read[4]&0x0f; display[2]=time_read[4]/16; display[1]=time_read[5]&0x0f; display[0]=time_read[5]/16; } void LCD_display() { LCD_write(2,9,display[11]+0x30);//秒个位 LCD_write(2,8,display[10]+0x30); LCD_write(2,7,0x3a); //显示: LCD_write(2,6,display[9]+0x30);//分个位 LCD_write(2,5,display[8]+0x30); LCD_write(2,4,0x3a); //显示: LCD_write(2,3,display[7]+0x30);//时个位 LCD_write(2,2,display[6]+0x30); LCD_write(1,9,display[5]+0x30);//日个位 LCD_write(1,8,display[4]+0x30); LCD_write(1,7,0x2d); //显示- LCD_write(1,6,display[3]+0x30);//月个位 LCD_write(1,5,display[2]+0x30); LCD_write(1,4,0x2d); //显示- LCD_write(1,3,display[1]+0x30);//年个位 LCD_write(1,2,display[0]+0x30); }