Untitled.rar_Untitled

#include<pic.h> #include<pic168xa.h> #include<stdio.h> #define uchar unsigned char #define uint unsigned char #define RST RB1 #define PSB RB2//PSB=0串行模式=1并行模式 //#define E RB3//使能信号SCLK //#define RW RB4//与RS配合做选择功能,STD //#define RS RB5//CS #define SCLK RB3 #define STD RB4 #define CS RB5 //延时程序(短) void delay_us(int i) { while(--i); } void delay(int x)//延时子程序 { uint i; uchar j; for(i=0;i<x;i++) { for(j=0;j<120;j++); } } void write_data(uchar dis_data)//数据输入子程序 { uint i; uchar i_data1,i_data2; // uchar fro_sig=0xfd; TRISB=0X00; delay_us(5); CS=1; delay_us(5); /* for(i=0;i<8;i++) { if(fro_sig&0x80){STD=1;} else{STD=0;} SCLK=1; delay_us(10); SCLK=0; delay_us(10); fro_sig<<=1; delay_us(10); }*/ for(i=0;i<5;i++)//五位信号零输入 { STD=1; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } STD=0; SCLK=1; delay_us(10);//RW SCLK=0; delay_us(5); STD=1; SCLK=1; delay_us(10);//RS SCLK=0; delay_us(5); STD=0; SCLK=1; delay_us(10);//0 SCLK=0; delay_us(5); delay(10); i_data1=dis_data&0xf0;//高4位输入 for(i=0;i<4;i++) { if(i_data1&0x80){ STD=1; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } else{ STD=0; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } delay_us(10); i_data1<<=1; } for(i=0;i<4;i++) { STD=0; SCLK=1; delay_us(10); SCLK=0; delay(5); } delay(10); i_data2=dis_data&0x0f;//低4位输入 for(i=0;i<4;i++) { if(i_data2&0x08){ STD=1; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } else{ STD=0; SCLK=1; delay_us(10); SCLK=0; delay(5); } delay_us(10); i_data2<<=1; } for(i=0;i<4;i++) { STD=0; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } delay(10); delay_us(5); STD=1; delay_us(10); } void write_command(uchar dis_cmd)//写命令子程序 { uint i; uchar i_cmd1,i_cmd2; TRISB=0X00; delay_us(5); CS=1; delay_us(5); for(i=0;i<5;i++)//五位信号零输入 { STD=1; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } for(i=0;i<3;i++)//RW,RS,O输入 { STD=0; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } delay(10); i_cmd1=dis_cmd&0xf0;//高4位输入 for(i=0;i<4;i++) { if(i_cmd1&0x80){ STD=1; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } else{ STD=0; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } delay_us(10); i_cmd1<<=1; } for(i=0;i<4;i++) { STD=0; SCLK=1; delay_us(10); SCLK=0; delay(5); } delay(10); i_cmd2=dis_cmd&0x0f;//低4位输入 for(i=0;i<4;i++) { if(i_cmd2&0x08){ STD=1; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } else{ STD=0; SCLK=1; delay_us(10); SCLK=0; delay(5); } delay_us(10); i_cmd2<<=1; } for(i=0;i<4;i++) { STD=0; SCLK=1; delay_us(10); SCLK=0; delay_us(5); } delay(10); delay_us(5); STD=1; delay_us(10); } //初始化液晶屏幕 void lcdinit() { delay(200); write_command(0x30); delay(10); //选择基本指令集 write_command(0x30); //选择8bit数据流 delay(50); write_command(0x0F); //开显示 delay(100); write_command(0x01); //清显示并设地址为00H delay(100); write_command(0x01); //指定在资料的读取与写入时设定游标的移动 //方向及指定显示的移位 delay(10); } //主函数 main() { delay_us(10000); TRISB=0X00; // CS=1; TRISB=0X00; RB1=1; RB2=0; RB0=1; // TRISC=0X00; delay(10); while(1) { lcdinit(); write_command(0x80); delay(50); write_data(0xcc); delay(50); write_data(0xec); delay(100);//天 write_data(0xbd); delay(50); write_data(0xf2); delay(100);//津 write_data(0xbd); delay(50); write_data(0xf2); delay(100); //津 write_data(0xd3); delay(50); write_data(0xed); delay(100);//禹 write_data(0xbf); delay(50); write_data(0xc6); delay(100);//科 write_data(0xbc); delay(50); write_data(0xbc); delay(100);//技 write_data(0xd3); delay(50); write_data(0xd0); delay(100);//有 write_data(0xcf); delay(50); write_data(0xde); delay(100);//限 write_command(0X93); write_data(0xb9); delay(50); write_data(0xab); delay(100);//公 write_data(0xcb); delay(50); write_data(0xbe); delay(100);//司 delay(100); lcdinit(); write_command(0x88); delay(50); write_data(0xcc); delay(50); write_data(0xec); delay(100);//天 write_data(0xbd); delay(50); write_data(0xf2); delay(100);//津 write_data(0xbd); delay(50); write_data(0xf2); delay(100); //津 write_data(0xd3); delay(50); write_data(0xed); delay(100);//禹 write_data(0xbf); delay(50); write_data(0xc6); delay(100);//科 write_data(0xbc); delay(50); write_data(0xbc); delay(100);//技 write_data(0xd3); delay(50); write_data(0xd0); delay(100);//有 write_data(0xcf); delay(50); write_data(0xde); delay(100);//限 write_command(0X9b); write_data(0xb9); delay(50); write_data(0xab); delay(100);//公 write_data(0xcb); delay(50); write_data(0xbe); delay(100); //司 } }