12864液晶驱动资料显示图形、文字的单片机源程序 -

#include <reg51.h>
#include <intrins.h>
//#include <at89x51.h>
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
void WriteDataLCD(unsigned char WDLCD);
void WriteCommandLCD(unsigned char WCLCD,BuysC);
unsigned char ReadDataLCD(void);
unsigned char ReadStatusLCD(void);
void LCDInit(void);
void LCDClear(void);
void LCDFlash(void);
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData);
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData);
void DisplayImage (unsigned char code *DData);
void Delay5Ms(void);
void Delay400Ms(void);
code unsigned char uctech[] = {"大雄电子营业部"};
code unsigned char net[] = {"ic2012*taobao*co"};
code unsigned char mcu[] = {"专业元件供应商！"};
code unsigned char qq[] = {" QQ: 571630059 "};
code unsigned char tmp[]={//128*64点阵图形数据
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
…………限于本文篇幅余下代码请从51黑下载附件…………
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,};
void main(void)
{
Delay400Ms(); //启动等待，等LCD讲入工作状态
LCDInit(); //LCM初始化
Delay5Ms(); //延时片刻(可不要)
while(1){
LCDClear();
DisplayImage(tmp);//显示图形
Delay400Ms();
Delay400Ms();
Delay400Ms();
Delay400Ms();
Delay400Ms();
LCDClear();
DisplayListChar(0,1,uctech); //显示字库中的中文数字
DisplayListChar(0,2,net); //显示字库中的中文数字
DisplayListChar(0,3,mcu); //显示字库中的中文
DisplayListChar(0,4,qq); //显示字库中的中文数字
Delay400Ms();
Delay400Ms();
Delay400Ms();
Delay400Ms();
LCDFlash(); //闪烁效果
//}
}
}
//写数据
void WriteDataLCD(unsigned char WDLCD)
{
ReadStatusLCD(); //检测忙
LCD_RS = 1;
LCD_RW = 0;
LCD_Data = WDLCD;
LCD_E = 1;
LCD_E = 1;
LCD_E = 1;
LCD_E = 0;
}
//写指令
void WriteCommandLCD(unsigned char WCLCD,BuysC) //BuysC为0时忽略忙检测
{
if (BuysC) ReadStatusLCD(); //根据需要检测忙
LCD_RS = 0;
LCD_RW = 0;
LCD_Data = WCLCD;
LCD_E = 1;
LCD_E = 1;
LCD_E = 1;
LCD_E = 0;
}
//读数据
unsigned char ReadDataLCD(void)
{
LCD_RS = 1;
LCD_RW = 1;
LCD_E = 0;
LCD_E = 0;
LCD_E = 1;
return(LCD_Data);
}
//读状态
unsigned char ReadStatusLCD(void)
{
LCD_Data = 0xFF;
LCD_RS = 0;
LCD_RW = 1;
LCD_E = 1;
while (LCD_Data & Busy); //检测忙信号
LCD_E = 0;
return(LCD_Data);
}
void LCDInit(void) //LCM初始化
{
WriteCommandLCD(0x30,1); //显示模式设置,开始要求每次检测忙信号
WriteCommandLCD(0x01,1); //显示清屏
WriteCommandLCD(0x06,1); // 显示光标移动设置
WriteCommandLCD(0x0C,1); // 显示开及光标设置
}
void LCDClear(void) //清屏
{
WriteCommandLCD(0x01,1); //显示清屏
WriteCommandLCD(0x34,1); // 显示光标移动设置
WriteCommandLCD(0x30,1); // 显示开及光标设置
}
void LCDFlash(void) //闪烁效果
{
WriteCommandLCD(0x08,1); //显示清屏
Delay400Ms();
WriteCommandLCD(0x0c,1); // 显示开及光标设置
Delay400Ms();
WriteCommandLCD(0x08,1); //显示清屏
Delay400Ms();
WriteCommandLCD(0x0c,1); // 显示开及光标设置
Delay400Ms();
WriteCommandLCD(0x08,1); //显示清屏
Delay400Ms();
}
//按指定位置显示一个字符
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
{
if(Y<1)
Y=1;
if(Y>4)
Y=4;
X &= 0x0F; //限制X不能大于16，Y不能大于1
switch(Y){
case 1:X|=0X80;break;
case 2:X|=0X90;break;
case 3:X|=0X88;break;
case 4:X|=0X98;break;
}
WriteCommandLCD(X, 0); //这里不检测忙信号，发送地址码
WriteDataLCD(DData);
}
//按指定位置显示一串字符
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)
{
unsigned char 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 (unsigned char code *DData){
unsigned char 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);
……………………
…………限于本文篇幅余下代码请从51黑下载附件…………

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