基于单片机和DS12887的万年历设计

#include<reg51.h> #include"zifuku.h" #define uchar unsigned char #define uint unsigned int sbit CS1=P2^0; sbit CS2=P2^1; sbit RS=P2^2; sbit RW=P2^3; sbit E=P2^4; void delayms(uchar z) { int x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void buys() { int dat; RW=1; RS=0; do { P1=0x00; E=1; dat=P1; E=0; dat=0x80 & dat; } while(!(dat==0x00)); } void w_com(uchar com) { buys(); RW=0; RS=0; E=1; P1=com; E=0; } void w_date(uchar date) { buys(); RW=0; RS=1; E=1; P1=date; E=0; } void select_screen(uchar screen) { switch(screen) { case 0: //选择全屏 CS1=0; CS2=0; break; case 1: //选择左屏 CS1=0; CS2=1; break; case 2: //选择右屏 CS1=1; CS2=0; break; } } void clear_screen(screen) { int x,y; select_screen(screen); //screen:0-选择全屏，1-选择左半屏，2-选择右半屏 for(x=0xb8;x<0xc0;x++) //从0xb8-0xbf,共8页 { w_com(x); w_com(0x40); //列的初始地址是0x40 for(y=0;y<64;y++) { w_date(0x00); } } } void lcd_display_hanzi(uchar screen,uchar page,uchar col,uint mun) { //screen:选择屏幕参数，page:选择页参数0-3，col:选择列参数0-3，mun:显示第几个汉字的参数 int a; mun=mun*32; select_screen(screen); w_com(0xb8+(page*2)); w_com(0x40+(col*16)); for ( a=0;a<16;a++) { w_date(hanzi[mun++]); } w_com(0xb8+(page*2)+1); w_com(0x40+(col*16)); for ( a=0;a<16;a++) { w_date(hanzi[mun++]); } } void lcd_display_zifuk(uchar screen,uchar page,uchar col,uchar mun) { //screen:选择屏幕参数，page:选择页参数0-3，col:选择列参数0-7，mun:显示第几个汉字的参数 int a; mun=mun*16; select_screen(screen); w_com(0xb8+(page*2)); w_com(0x40+(col*8)); for ( a=0;a<8;a++) { w_date(zifu[mun++]); } w_com(0xb8+(page*2)+1); w_com(0x40+(col*8)); for ( a=0;a<8;a++) { w_date(zifu[mun++]); } } void lcd_display_shuzi(uchar screen,uchar page,uchar col,uchar mun) { //screen:选择屏幕参数，page:选择页参数0-3，col:选择列参数0-7，mun:显示第几个汉字的参数 int a; mun=mun*16; select_screen(screen); w_com(0xb8+(page*2)); w_com(0x40+(col*8)); for ( a=0;a<8;a++) { w_date(shuzi[mun++]); } w_com(0xb8+(page*2)+1); w_com(0x40+(col*8)); for ( a=0;a<8;a++) { w_date(shuzi[mun++]); } } void lcd_init() { w_com(0x3f); //LCD开显示 w_com(0xc0); //LCD行初始地址，共64行 w_com(0xb8); //LCD页初始地址，共8页 w_com(0x40); //LCD列初始地址，共64列 }