lcd.h

51单片机驱动SC1602液晶块的代码

/*define LCD Control Model Single*/
#include"port.h"
#define LCM_RS P3_4 
#define LCM_RW P3_5
#define LCM_EN P3_3
#define  Busy  0x80  /*Busy Checker ----1000--0000*/
/*instruction   
	RS	RW	D7	D6	D5	D4	D3	D2	D1	D0
 	0	0	0	0	0	0	0	0	0	1   (0x01) clear screen
	        -------------   -------------
	0	0	0	0	0	0	0	0	1	*	(0x02) Return adr 0000h
	0	0	0	0	0	0	0	1	I/D	S	(0x06) interal mode set
	0	0	0	0	0	0	1	D	C	B	 Display On/Off switch (0x08)screen off checker Busy;(0x0c)Screen On checker Busy;
	0	0	0	0	0	1	S/C	R/L *	*	(0x06) bit move control(right bit ,Checker Busy Single)
	0	0	0	0	1	DL	N	F	*	*	(0x38/0x3c) system work mode set (8 bit data transive 2 line 5*7 Byte checker Busy single)  
	0	0	0	1	----ACG--------------	() CGRAM Address set
	0	0	1 	----ADD------------------	() display Address set
	0	1	BF	----AC-------------------	() Busy Status Checker
	1	0	--------Write Data-----------	() MCU To LCD
	1	1	--------Read Data------------	() LCD T0 MCU*/