代码:
#include <reg51.h>
#include <intrins.h>
sbit RS = P3^0;
sbit RW = P3^1;
sbit E = P3^2;
void check_busy();
void write_command(unsigned char command);
void write_data(unsigned char dat);
void lcd_init();
void show_string(unsigned char ad, unsigned char *str);
void delay(unsigned int n);
void main(){
lcd_init();
while(1){
show_string(0x85, "Welcome"); // 第一个参数是写入的位置,第二个是待写入的字符串
show_string(0xC2, "Harbin");
delay(100);
write_command(0x01);
delay(100);
}
}
void check_busy(){
unsigned char dat;
&nbs

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