【单片机开发】上位机控制的液晶电子时钟.zip

#include <reg52.h> sbit T_CLK = P2^4; /*实时时钟时钟线引脚 */ sbit T_IO = P2^3; /*实时时钟数据线引脚 */ sbit T_RST = P2^2; /*实时时钟复位线引脚 */ sbit ACC0=ACC^0; sbit ACC7=ACC^7; sbit rs=P2^0; sbit rw=P2^1; sbit e=P2^7; sbit setd=P3^2; sbit sett=P3^3; sbit add=P2^5; sbit enter=P2^6; sbit speaker=P3^7; unsigned char code tab[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; void v_RTInputByte(unsigned char ucDa) { unsigned char i; ACC = ucDa; for(i=8; i>0; i--) { T_IO = ACC0; /*相当于汇编中的 RRC */ T_CLK = 1; T_CLK = 0; ACC = ACC >> 1; } } unsigned char uc_RTOutputByte(void) { unsigned char i; for(i=8; i>0; i--) { ACC = ACC >>1; /*相当于汇编中的 RRC */ ACC7 = T_IO; T_CLK = 1; T_CLK = 0; } return(ACC); } void v_W1302(unsigned char ucAddr, unsigned char ucDa) { T_RST = 0; T_CLK = 0; T_RST = 1; v_RTInputByte(ucAddr); /* 地址，命令 */ v_RTInputByte(ucDa); /* 写1Byte数据*/ T_CLK = 1; T_RST =0; } unsigned char uc_R1302(unsigned char ucAddr) { unsigned char ucDa; T_RST = 0; T_CLK = 0; T_RST = 1; v_RTInputByte(ucAddr); /* 地址，命令 */ ucDa = uc_RTOutputByte(); /* 读1Byte数据 */ T_CLK = 1; T_RST =0; return(ucDa); } void v_BurstW1302T(unsigned char *pSecDa) { unsigned char i; v_W1302(0x8e,0x00); /* 控制命令,WP=0,写操作?*/ T_RST = 0; T_CLK = 0; T_RST = 1; v_RTInputByte(0xbe); /* 0xbe:时钟多字节写命令 */ for (i=8;i>0;i--) /*8Byte = 7Byte 时钟数据 + 1Byte 控制*/ { v_RTInputByte(*pSecDa);/* 写1Byte数据*/ pSecDa++; } T_CLK = 1; T_RST =0; } void v_BurstR1302T(unsigned char *pSecDa) { unsigned char i; T_RST = 0; T_CLK = 0; T_RST = 1; v_RTInputByte(0xbf); /* 0xbf:时钟多字节读命令 */ for (i=8; i>0; i--) { *pSecDa = uc_RTOutputByte(); /* 读1Byte数据 */ pSecDa++; } T_CLK = 1; T_RST =0; } void v_BurstW1302R(unsigned char *pReDa) { unsigned char i; v_W1302(0x8e,0x00); /* 控制命令,WP=0,写操作?*/ T_RST = 0; T_CLK = 0; T_RST = 1; v_RTInputByte(0xfe); /* 0xbe:时钟多字节写命令 */ for (i=31;i>0;i--) /*31Byte 寄存器数据 */ { v_RTInputByte(*pReDa); /* 写1Byte数据*/ pReDa++; } T_CLK = 1; T_RST =0; } void v_BurstR1302R(unsigned char *pReDa) { unsigned char i; T_RST = 0; T_CLK = 0; T_RST = 1; v_RTInputByte(0xff); /* 0xbf:时钟多字节读命令 */ for (i=31; i>0; i--) /*31Byte 寄存器数据 */ { *pReDa = uc_RTOutputByte(); /* 读1Byte数据 */ pReDa++; } T_CLK = 1; T_RST =0; } void v_setd1302(unsigned char *pSecDa) { unsigned char i; unsigned char ucAddr = 0x80; v_W1302(0x8e,0x00); /* 控制命令,WP=0,写操作?*/ for(i =7;i>0;i--) { v_W1302(ucAddr,*pSecDa); /* 秒 分 时 日 月 星期 年 */ pSecDa++; ucAddr +=2; } v_W1302(0x8e,0x80); /* 控制命令,WP=1,写保护?*/ } void delay() { unsigned char y; for(y=0;y<0xff;y++) {;} } void wc51r(unsigned char j)//写命令 { e=0;rs=0;rw=0; e=1; P1=j; e=0; delay(); } void init()//初始化 { wc51r(0x01); wc51r(0x38); wc51r(0x38); wc51r(0x0e); wc51r(0x06); wc51r(0x0c); } void wc51ddr(unsigned char j)//写数据 { e=0;rs=1;rw=0; e=1; P1=j; e=0; delay(); } void write1602(unsigned char add,unsigned char da)//写入显示数据 {wc51r(add);wc51ddr(da);} void main(void) { unsigned char ucCurtime[7]; unsigned char i,yearh,yearl,monh,monl,dah,dal,hoh,hol,mih,mil,seh,sel; unsigned char ucAddr; unsigned int c; init(); write1602(0x85,0x35); for(c=0;c<30000;c++); write1602(0x86,0x32); for(c=0;c<30000;c++); write1602(0x87,0x4D); for(c=0;c<30000;c++); write1602(0x88,0x43); for(c=0;c<30000;c++); write1602(0x89,0x55); for(c=0;c<30000;c++); write1602(0xC2,0x51); write1602(0xC3,0x51); write1602(0xC4,0x3A); write1602(0xC5,0x35); write1602(0xC6,0x39); write1602(0xC7,0x37); write1602(0xC8,0x33); write1602(0xC9,0x38); write1602(0xCA,0x35); write1602(0xCB,0x33); write1602(0xCC,0x36); write1602(0xCD,0x39); for(c=0;c<50000;c++); init();//LCD初始化 TMOD=0X20; TH1=0XF3; TL1=0XF3; SCON=0X50; PCON=0X00; IT0=1; EX0=1; IT1=1; EX1=1; TR1=1; EA=1; ES=1; while(1) {ucAddr = 0x81; for (i=0;i<7;i++) { ucCurtime[i] = uc_R1302(ucAddr);/*格式为: 秒 分 时 日 月 星期 年 */ ucAddr += 2; } yearh=ucCurtime[6]/16; yearl=ucCurtime[6]%16; monh=ucCurtime[4]/16; monl=ucCurtime[4]%16; dah=ucCurtime[3]/16; dal=ucCurtime[3]%16; hoh=ucCurtime[2]/16; hol=ucCurtime[2]%16; mih=ucCurtime[1]/16; mil=ucCurtime[1]%16; seh=ucCurtime[0]/16; sel=ucCurtime[0]%16; write1602(0x80,0x44); write1602(0x81,0x61); write1602(0x82,0x74); write1602(0x83,0x65); write1602(0x84,0x3a);//显示date: write1602(0x85,tab[yearh]); write1602(0x86,tab[yearl]); write1602(0x87,0x2d);//显示年 write1602(0x88,tab[monh]); write1602(0x89,tab[monl]); write1602(0x8a,0x2d);//显示月 write1602(0x8b,tab[dah]); write1602(0x8c,tab[dal]); write1602(0xc0,0x54); write1602(0xc1,0x69); write1602(0xc2,0x6d); write1602(0xc3,0x65); write1602(0xc4,0x3a);//显示time: write1602(0xc5,tab[hoh]); write1602(0xc6,tab[hol]); write1602(0xc7,0x3a);//显示小时 write1602(0xc8,tab[mih]); write1602(0xc9,tab[mil]); write1602(0xca,0x3a);//显示小时 write1602(0xcb,tab[seh]); write1602(0xcc,tab[sel]); if((ucCurtime[1]==0)&(ucCurtime[0]==0|ucCurtime[0]==1|ucCurtime[0]==2))//3秒整点报时 speaker=0; else speaker=1; } } serint() interrupt 4 { //EA=0; static unsigned char k; unsigned char temp,year,month,date,hour,min,sec,week; unsigned char stemp[7]={0}; RI=1; temp=SBUF; RI=0; k++; switch (k) { case 1:sec=temp; break; case 2:min=temp; break; case 3:hour=temp; break; case 4:date=temp; break; case 5:month=temp; break; case 6:week=temp; break; case 7:year=temp; stemp[0]=(sec/10)*16+sec%10; stemp[1]=(min/10)*16+min%10; stemp[2]=(hour/10)*16+hour%10; stemp[3]=(date/10)*16+date%10; stemp[4]=(month/10)*16+month%10; stemp[5]=(week/10)*16+week%10; stemp[6]=(year/10)*16+year%10; v_setd1302(stemp);//设定值 k=0; break; } }