void DisplayListChar(uchar X, uchar Y, uchar *DData)
{
uchar ListLength,X2;
ListLength = 0;
X2=X;
if(Y<1)
Y=1;
if(Y>4)
Y=4;
X &= 0x0F; //限制X不能大于16,Y在1-4之内
switch(Y){
case 1:X2|=0X80;break; //根据行数来选择相应地址
case 2:X2|=0X90;break;
case 3:X2|=0X88;break;
case 4:X2|=0X98;break;
}
WriteCommandLCD(X2, 1); //发送地址码
while (DData[ListLength]>=0x20) //若到达字串尾则退出
{
if (X <= 0x0F) //X坐标应小于0xF
{
WriteDataLCD(DData[ListLength]);
ListLength++;
X++;
Delay5Ms();
}
}
}
//图形显示122*32
void DisplayImage (uchar code *DData){
uchar x,y,i;
unsigned int tmp=0;
for(i=0;i<9;){ //分两屏,上半屏和下半屏,因为起始地址不同,需要分开
for(x=0;x<32;x++){ //32行
WriteCommandLCD(0x34,1);
WriteCommandLCD((0x80+x),1);//列地址
WriteCommandLCD((0x80+i),1); //行地址,下半屏,即第三行地址0X88
WriteCommandLCD(0x30,1);
for(y=0;y<16;y++)
WriteDataLCD(DData[tmp+y]);//读取数据写入LCD
tmp+=16;
}
i+=8;
}
WriteCommandLCD(0x36,1); //扩充功能设定
WriteCommandLCD(0x30,1);
}
//5ms延时
void Delay5Ms(void)
{
unsigned int TempCyc = 5552;
while(TempCyc--);
}
//400ms延时
void Delay400Ms(void)
{
uchar TempCycA = 5;
unsigned int TempCycB;
while(TempCycA--)
{
TempCycB=7269;
while(TempCycB--);
};
}
//:CD12864.h
//============================================================
//Header include
#ifndef __LCD12864_H__
#define __LCD12864_H__
#ifndef __HEADER_H__
#define __HEADER_H__
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#endif
//============================================================
//函数声明
extern void WriteDataLCD(uchar WDLCD);
extern void WriteCommandLCD(uchar WCLCD,BuysC);
extern uchar ReadDataLCD(void);
extern uchar ReadStatusLCD(void);
extern void LCDInit(void);
extern void LCDClear(void);
extern void LCDFlash(void);
extern void DisplayOneChar(uchar X, uchar Y, uchar DData);
//void DisplayListChar(uchar X, uchar Y, uchar code *DData);
extern void DisplayListChar(uchar X, uchar Y, uchar *DData);
extern void DisplayImage (uchar code *DData);
extern void Delay5Ms(void);
extern void Delay400Ms(void);
//============================================================
//此为硬件配置,请作相应的修改
sbit LCD_RS=P1^0;//定义引脚
sbit LCD_RW=P1^1;
sbit LCD_E=P1^2;
sbit PSB =P3^6; //PSB脚为12864-12系列的串、并通讯功能切换,我们使用8位并行接口,PSB=1
#define LCD_Data P2
#define Busy 0x80 //用于检测LCD状态字中的Busy标识
#endif