lcdp.h

来自「一个充电控制器的完整单片机程序」· C头文件 代码 · 共 33 行

#ifndef __LCDP_H__
#define __LCDP_H__

//---------------------------------------
//define signal connection 
//---------------------------------------
#define   LCDRS       T0
#define   LCDRW       P1_5
#define   ENABLE      T1
//-------------------------------------
/////base LCD command
//-------------------------------------
#define   SCR_TFF 0xC //lcd display on, cursor_ off, _ invert off
#define   SCR_TTF 0xE //lcd display on, cursor_ on, _ invert off
#define   SCR_TTT 0xF //lcd display on, cursor_ on, _ invert on

#define   SCR_ACL  0x10//ACC=ACC-1,move cursor left
#define   SCR_ACR  0x14//ACC=ACC+1
#define   SET8B  0x30//Set 8 bit mode,base command


//-------------------------------------------
//LCD funtion
//-------------------------------------------
extern void text(unsigned char sta,unsigned char *string);//display string
extern void WD_LCD(unsigned char ch);//lcd display char
extern void WC_LCD(unsigned char comand);//write lcd controll register
extern void clear(void);//clear display

//--------------------------------------
#endif