DS1302+1602液晶万年历(PROTEUS)

#include<reg52.h> #include<intrins.h> #define uchar unsigned char #define uint unsigned int sbit rw=P3^6; sbit rs=P3^5; sbit lcden=P3^4; sbit s1=P3^0; sbit s2=P3^1; sbit s3=P3^2; sbit rd=P3^7; sbit ce=P2^5; sbit sclk=P2^6; sbit io=P2^7; sbit B1=B^0; sbit ACC7 = ACC^7; uchar count,s1num; char miao,shi,fen,k; uchar code table[]=" 20 - - W: "; uchar code table1[]=" 00:00:00"; void delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com) { rs=0; lcden=0; P0=com; delay(5); lcden=1; delay(5); lcden=0; } void write_date(uchar date) { rs=1; lcden=0; P0=date; delay(5); lcden=1; delay(5); lcden=0; } void init() { uchar num; rw=0; lcden=0; // fen=59; // miao=53; // shi=23; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); write_com(0x80); for(num=0;num<16;num++) { write_date(table[num]); delay(5); } write_com(0x80+0x40); for(num=0;num<12;num++) { write_date(table1[num]); delay(5); } TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=1; } void write_sfm(uchar add,uchar date) { uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+0x40+add); write_date(0x30+shi); write_date(0x30+ge); } void write_nyr(uchar add,uchar date) { uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+add); write_date(0x30+shi); write_date(0x30+ge); } /*uchar write1302_byte(uchar com2) { ce=0; sclk=0; _nop_(); ce=1; } */ uchar read1302(uchar com1) { uchar shu,j,shu1; ce=0; // delay(5); sclk=0; // delay(5); ce=1; B=com1; for(shu=0;shu<8;shu++) { io=B1; B=B>>1; sclk=1; sclk=0; } delay(5); for(shu1=8; shu1>0; shu1--) { ACC = ACC >>1; //相当于汇编中的 RRC ACC7 = io; //？？？？？？？？ sclk = 1; sclk = 0; } return(ACC); } void main() { init(); while(1) { uint u,u1,u2; // keyscan(); u=read1302(0x81); // miao = ((u&0x70)>>4)*10 + (u&0x0F); miao=((u&0x70)>>4)*10 + (u&0x0F); write_sfm(10,miao); write_com(0x80+0x40+10); // delay(10); u1 = read1302(0x83); //从分寄存器读 fen=((u1&0x70)>>4)*10 + (u1&0x0F); //将读出数据转化 write_sfm(7,fen); write_com(0x80+0x40+7); // delay(10); u2=read1302(0x85); shi=((u2&0x70)>>4)*10 + (u2&0x0F); write_sfm(4,shi); write_com(0x80+0x40+4); // delay(20); */ u2=read1302(0x8d); //年 shi=((u2&0x70)>>4)*10 + (u2&0x0F); write_nyr(3,shi); write_com(0x80+4); u2=read1302(0x89);// 月 shi=((u2&0x70)>>4)*10 + (u2&0x0F); write_nyr(6,shi); write_com(0x80+7); u2=read1302(0x87); //日 shi=((u2&0x70)>>4)*10 + (u2&0x0F); write_nyr(9,shi); write_com(0x80+10); u2=read1302(0x8b); //星期 shi=((u2&0x70)>>4)*10 + (u2&0x0F); write_nyr(14,shi); write_com(0x80+14); } // while(1); }