#include //包含头文件
#include //包含固有函数
#define uint unsigned int //定义一下方便使用
#define uchar unsigned char //定义一下方便使用
#define DATA P0 //LCD12864数据线
sbit RS=P2^2; // 数据\指令 D、I 选择
sbit RW=P2^1; // 读\写 选择 R、W
sbit EN=P2^0; // 读\写使能
sbit cs1=P2^4; // 片选1
sbit cs2=P2^3; // 片选2
/********************************/
/* 定义图形字库 */
uchar code Hzk[]={
//左屏幕第1页
0xFF,0xFF,0xFF,0xFF,0x7F,0xBF,0x3F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
//左屏幕第2页
0xFF,0xFF,0xFF,0xAB,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
//左屏幕第3页
0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,
0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,0xC0,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,
0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,0x80,0xAA,0x00,0xAA,0x00,0xAA,0xC0,0xEA,0xE0,0xEA,
0xE0,0xEA,0xE0,0xEA,0xC0,0xEA,0x80,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,
//左屏幕第4页
0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xFF,0xFF,0xFF,0xFF,
0x38,0xBA,0x38,0xBF,0x3F,0xBF,0x1F,0xAF,0x00,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xBA,
0x78,0xFA,0xFD,0xFF,0xDF,0xBF,0x0F,0xAA,0x00,0xFE,0xFF,0xFF,0xFF,0xFF,0x01,0xAA,
0x00,0xAA,0x01,0xEF,0xFF,0xFF,0xFF,0xFE,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xFF,0xFF,
//左屏幕第5页
0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x0F,0xAF,0x0F,0xAF,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x0F,0xAF,0x0F,0xAF,0x0F,0xAA,
0x00,0xAA,0x03,0xAF,0x0F,0xAF,0x0F,0xAE,0x00,0xAA,0x01,0xAB,0x07,0xAF,0x0F,0xAE,
0x0E,0xAE,0x0F,0xAF,0x07,0xAF,0x03,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x0F,0xAF,
//左屏幕第6页
0xFF,0xFF,0xFF,0xEA,0x80,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
//左屏幕第7页
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
//左屏幕第8页
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
//右屏幕第1页
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,
0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第2页
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x01,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第3页
0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,0xE0,0xAA,0x00,0xEA,0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,
0xE0,0xEA,0xE0,0xEA,0xE0,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,0x00,0xAA,0x00,0xAA,
0x00,0xEA,0xE0,0xEA,0xE0,0xAA,0x00,0xAA,0x80,0xEA,0xC0,0xEA,0xE0,0xEA,0xE0,0xEA,
0xE0,0xEA,0x80,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第4页
0xFF,0xFF,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0xBA,0x38,0xBA,
0x38,0xBA,0x38,0xBA,0x00,0xAA,0x00,0xAA,0xFF,0xFF,0xFF,0xFF,0x00,0xAA,0x00,0xAA,
0x00,0xFF,0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x8F,0xAF,0x9F,0xBF,0x3C,0xBE,0x38,0xFB,
0xFB,0xFB,0xF3,0xEB,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第5页
0x0F,0xAF,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAF,0x0F,0xAF,0x0F,0xAE,0x0E,0xAE,
0x0E,0xAE,0x0E,0xAE,0x0E,0xAA,0x00,0xAA,0x03,0xAF,0x07,0xAF,0x0F,0xAE,0x0E,0xAE,
0x0F,0xAF,0x07,0xAB,0x01,0xAA,0x00,0xAB,0x03,0xAF,0x07,0xAF,0x0E,0xAE,0x0E,0xAF,
0x0F,0xAF,0x07,0xAB,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第6页
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,
0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xE0,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第7页
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
//右屏幕第8页
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x00,
};
/*状态检查，LCD是否忙*/
void CheckState()
{
uchar dat;//状态信息（判断是否忙）
RS=0; // 数据\指令选择，D/I（RS）=“L” ，表示 DB7∽DB0 为显示指令数据
RW=1; //R/W=“H” ，E=“H”数据被读到DB7∽DB0
do{
DATA=0x00;
EN=1; //EN下降源
_nop_(); //一个时钟延时
dat=DATA;
EN=0;
dat=dat>>7; //仅当第7位为0时才可操作(判别busy信号)
}while(!(dat==0x00));
}
/*写命令到LCD中*/
SendCommandToLCD(uchar com)
{
CheckState();//状态检查，LCD是否忙
RS=0; //向LCD发送命令。RS=0写指令，RS=1写数据
RW=0;//R/W=“L” ，E=“H→L”数据被写到 IR 或 DR
DATA=com; //com :命令
EN=1;//EN下降源
_nop_();
_nop_();
EN=0;
}
/*设置页 0xb8是页的首地址*/
void SetLine(uchar page)
{
page=0xb8|page; //1011 1xxx 0<=page<=7 设定页地址--X 0-7,8行为一页64/8=8，共8页
SendCommandToLCD(page);
}
/*设定显示开始行，0xc0是行的首地址*/
void SetStartLine(uchar startline)
{
startline=0xc0|startline; //1100 0000
SendCommandToLCD(startline); //设置从哪行开始：0--63，一般从0 行开始显示
}
/*设定列地址--Y 0-63 ，0x40是列的首地址*/
void SetColumn(uchar column)
{
column=column &0x3f; //column最大值为64，越出 0=<column<=63
column= 0x40|column; //01xx xxxx
SendCommandToLCD(column);
}
/*开关显示，0x3f是开显示，0x3e是关显示*/
void SetOnOff(uchar onoff)
{
onoff=0x3e|onoff; //0011 111x,onoff只能为0或者1
SendCommandToLCD(onoff);
}
/*写显示数据 */
void WriteByte(uchar dat)
{
CheckState();//状态检查，LCD是否忙
RS=1; //RS=0写指令，RS=1写数据
RW=0;////R/W=“L” ，E=“H→L”数据被写到 IR 或 DR
DATA=dat;//dat:显示数据
EN=1; //EN下降源
_nop_();
_nop_();
EN=0;
}
/*选择屏幕screen: 0-全屏,1-左屏,2-右屏*/
void SelectScreen(uchar screen)
{
switch(screen)
{ case 0: cs1=0;//全屏
_nop_(); _nop_(); _nop_();
cs2=0;
_nop_(); _nop_(); _nop_();
break;
case 1: cs1=0;//左屏
_nop_(); _nop_(); _nop_();
cs2=1;
_nop_(); _nop_(); _nop_();
break;
case 2: cs1=1;//右屏
_nop_(); _nop_(); _nop_();
cs2=0;
_nop_(); _nop_(); _nop_();
break;
}
}
/*清屏screen: 0-全屏,1-左屏,2-右*/
void ClearScreen(uchar screen)
{
uchar i,j;
SelectScreen(screen);
for(i=0;i<8;i++) //控制页数0-7，共8页
{
SetLine(i);
SetColumn(0);
for(j=0;j<64;j++) //控制列数0-63，共64列
{
WriteByte(0x00); //写点内容，列地址自动加1
}
}
}
/*延时程序*/
void delay(uint z)
{
uint i,j;
for(i=0; i<z; i++)
for(j = 0; j < 110; j++);
}
/*向上滚屏*//*这里用做滚动显示*/
void lcd_rol()
{
uint i;
for(i = 0; i < 64; i++)
{
cs1=0; // 片选1
SendCommandToLCD(0xc0+i);
cs1=1;
cs2=0;// 片选2
//SendCommandToLCD(0xc0+62-i);
SendCommandToLCD(0xc0+i);
cs2=1; // 片选2
delay(100);
该文介绍了如何使用LCD显示屏进行单色显示、显示图片以及显示中文的步骤，包括CubeMX配置、图片处理软件Image2Lcd和文字取模软件PCtoLCD2002的使用，以及相应的C语言编程方法。
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