|
|
- #include<reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- uchar code table[]="hello! jasper"; //写字符串时用“”而不是{ }了
- uchar code table1[]=" xm.dabiao ";
- sbit lcden=P3^4;
- sbit lcdrs=P3^5;
- sbit dula=P2^6;
- sbit wela=P2^7;
- uchar num;
- void delay(uint z) //延时
- {
- uint x,y;
- for(x=z;x>0;x--)
- for(y=110;y>0;y--);
- }
- void write_com(uchar com) //写指令函数
- {
- lcdrs=0;
- P0=com;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- void write_data(uchar date) //写数据 函数
- {
- lcdrs=1;
- P0=date;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- void init()
- {
- dula=0; //初始化，关断数码管
- wela=0;
- lcden=0;
- write_com(0x38);
- write_com(0x0e);
- write_com(0x06);
- write_com(0x01);
- // write_com(0x80);
- write_com(0x80+0x10);
- }
- void main()
- {
- init();
- for(num=0;num<13;num++)
- {
- write_data(table[num]);
- delay(20);
- }
- // write_com(1); //清屏
- //----------------------------再写第二行
- write_com(0x80+0x51);
- for(num=0;num<16;num++)
- {
- write_data(table1[num]);
- delay(20);
- }
- for(num=0;num<16;num++)
- {
- write_com(0x18); //由code控制位 表算得18，整屏左移
- delay(160);
- }
- while(1);
- }
- //-------------------------
|
|
