LCD1602液晶显示C语言程序

#include <reg52.h> #define uint unsigned int #define uchar unsigned char sbit rs=P3^0; sbit rw=P3^1; sbit e=P3^2; uchar table1[]=" www.tlxmcu.com "; uchar table2[]="LCD1602 text ok!"; void delay_50us(uint t) { uchar j; for(;t>0;t--) for(j=19;j>0;j--); } void delay_50ms(uint t) { uint j; for(;t>0;t--) for(j=6245;j>0;j--) ; } void write_comd(uchar comd) { e=0; rs=0; rw=0; P2=comd; delay_50us(10); e=1; delay_50us(20); e=0; } void write_dat(uchar dat) { e=0; rs=1; rw=0; P2=dat; delay_50us(10); e=1; delay_50us(20); e=0; } void init(void) { delay_50us(300); write_comd(0x38); delay_50us(100); write_comd(0x38); delay_50us(100); write_comd(0x38); write_comd(0x38); write_comd(0x08); write_comd(0x01); write_comd(0x06); write_comd(0x0c); } void main() { uchar j; init(); write_comd(0x80); for(j=0;j<16;j++) { write_dat(table1[j]); delay_50us(10); } write_comd(0x80+0x40); for(j=0;j<16;j++) { write_dat(table2[j]); delay_50us(10); } while(1); }