1602LCD字符静态显示测试程序.zip_1602lcd_8KE

# include <reg51.h> //1602液晶说明 网上可以搜到 # include <intrins.h> typedef unsigned char BYTE; typedef unsigned int WORD; typedef bit BOOL; sbit rs=P0^7; sbit rw=P0^6; sbit ep=P0^5; BYTE code dis1 []={" yanlindianzi"}; BYTE code dis2 []={" 15001162199"}; void delay (int m) { unsigned char i,j; for (i=0;i<m;i++) for (j=0;j<253;j++); } BOOL lcd_bz() { BOOL result; rs=0; // 读忙信号 rw=1; ep=1; _nop_(); _nop_(); _nop_(); _nop_(); result = (BOOL)(P2&0x80); ep=0; result ; } lcd_wcmd (BYTE cmd) { while (lcd_bz()); rs=0; rw=0; ep=0; _nop_(); _nop_(); P2=cmd ; _nop_(); _nop_(); _nop_(); _nop_(); ep=1; _nop_(); _nop_(); _nop_(); _nop_(); ep=0; } lcd_pos (BYTE pos) { lcd_wcmd (pos|0x80); } lcd_wdat (BYTE dat) { while (lcd_bz()); rs=1; rw=0; ep=0; _nop_(); _nop_(); P2=dat ; _nop_(); _nop_(); _nop_(); _nop_(); ep=1; _nop_(); _nop_(); _nop_(); _nop_(); ep=0; } lcd_init () { lcd_wcmd (0x38); delay (1); lcd_wcmd (0x0c); delay (1); lcd_wcmd (0x06); delay (1); lcd_wcmd (0x01); delay (1); } main () { BYTE i; lcd_init (); delay (10); lcd_pos (0); i=0; while (dis1 [i]!='\0') { lcd_wdat (dis1 [i]); i++; } lcd_pos (0x41); i=0; while (dis2 [i]!='\0') { lcd_wdat (dis2 [i]); i++; } while (1); }