📄 lcd._h
字号:
/************************************************************
串行连接操作程序
对外函数列表:
void LCD_Init( void ); //初始化
void LCD_PutStr(unsigned char row,unsigned char col,unsigned char *puts); //写入文本
void LCD_PutBMP(unsigned char *puts); //写入半屏图片
void Disp_Img(unsigned const char *img) //写整屏图片
void LCD_ClearTXT( void ); //清除文本
void LCD_ClearBMP( void ); //清除图片
***********************************************************/
#define uchar unsigned char
#define uint unsigned int
#define LCDNOP() NOP();NOP()
//以下配置IO管脚
//========================================================*/
#define OUTLCDSCLK() DDRD |= (1<<6) //设置输出
#define SETLCDSCLK() PORTD |= (1<<6) //拉高
#define CLRLCDSCLK() PORTD &=~(1<<6) //拉低
#define SEL_CS() DDRD |=BIT(3);PORTD |=BIT(3) //片选拉高
#define CLR_CS() DDRD |=BIT(3);PORTD &= ~BIT(3) //片选拉低
#define OUTLCDSID() DDRD |= (1<<4) //设置输出
#define INLCDSID() DDRD &= ~(1 << 4); PORTD |= (1 << 4) //设置输入
#define SETLCDSID() PORTD |= (1 << 4) //拉高
#define CLRLCDSID() PORTD &= ~(1 << 4) //拉低
#define GETLCDSID() ((PIND & BIT(4)) >> 4) //读IO值
const unsigned char AC_TABLE[]={
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, //第一行汉字位置
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, //第二行汉字位置
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, //第三行汉字位置
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f, //第四行汉字位置
};
unsigned char str2[]="欢迎光临sonsan!!";
unsigned char str1[]="黄河远上白云间，一片孤城万仞山。羌笛何须怨杨柳，春风不度玉门关。";
//维捷登测试架专用延时函数
void DelayKey(uint ms)
{
uint i;
while(ms--)
{
for(i=1;i<(uint)(1*143-2);i++) //1为1MHZ
;
}
}
//串口发送一个字节
void LCD_WriteByte(unsigned char Dbyte)
{
unsigned char i;
OUTLCDSCLK();
OUTLCDSID();
for(i=0;i<8;i++)
{
CLRLCDSCLK();
Dbyte=Dbyte<<1; //左移一位
if (SREG & 1)
SETLCDSID();
else
CLRLCDSID();
SETLCDSCLK();
LCDNOP();
CLRLCDSCLK();
}
return;
}
//串口接收一个字节
//仅在读取数据的时候用到
//而读出的数据是一次只能读出4bit的
unsigned char LCD_ReadByte(void)
{
unsigned char i,temp1,temp2;
temp1=temp2=0;
OUTLCDSCLK();
INLCDSID();
for(i=0;i<8;i++)
{
temp1=temp1<<1;
CLRLCDSCLK();
LCDNOP();
SETLCDSCLK();
LCDNOP();
CLRLCDSCLK();
if(GETLCDSID()) temp1++;
}
for(i=0;i<8;i++)
{
temp2=temp2<<1;
CLRLCDSCLK();
LCDNOP();
SETLCDSCLK();
LCDNOP();
CLRLCDSCLK();
if(GETLCDSID()) temp2++;
}
return ((0xf0&temp1)+(0x0f&temp2));
}
void LCD_CheckBusy( void )
{
LCDNOP();
return;
do LCD_WriteByte(0xfc); //11111,RW(1),RS(0),0
while(0x80&LCD_ReadByte()); //BF(.7)=1 Busy
}
void LCD_WriteCmd( unsigned char Cbyte )
{
SEL_CS();
LCD_CheckBusy();
LCD_WriteByte(0xf8); //11111,RW(0),RS(0),0
LCD_WriteByte(0xf0&Cbyte); //高四位
DelayKey(5);
LCD_WriteByte(0xf0&Cbyte<<4);//低四位(先执行<<)
DelayKey(5);
CLR_CS();
}
void LCD_WriteData( unsigned char Dbyte )
{
SEL_CS();
LCD_CheckBusy();
LCD_WriteByte(0xfa); //11111,RW(0),RS(1),0
LCD_WriteByte(0xf0&Dbyte); //高四位
DelayKey(5);
LCD_WriteByte(0xf0&Dbyte<<4);//低四位(先执行<<)
DelayKey(5);
CLR_CS();
}
unsigned char LCD_ReadData( void )
{
LCD_CheckBusy();
LCD_WriteByte(0xfe); //11111,RW(1),RS(1),0
return LCD_ReadByte();
}
void LCD_Init( void )
{
DelayKey(2);
LCD_WriteCmd(0x30); //8BitMCU,基本指令集合
DelayKey(2);
LCD_WriteCmd(0x30); //8BitMCU
DelayKey(5);
LCD_WriteCmd(0x0C); //显示ON,游标OFF,游标位反白OFF
DelayKey(5);
LCD_WriteCmd(0x01); //清屏,AC归0
DelayKey(5);
LCD_WriteCmd(0x02); // AC归0,不改变DDRAM内容
DelayKey(5);
LCD_WriteCmd(0x06); //写入时,游标右移动
DelayKey(2);
//LCD_WriteCmd(0x80);
}
//文本区清RAM函数
void LCD_ClearTXT( void )
{
unsigned char i;
LCD_WriteCmd(0x30); //8BitMCU,基本指令集合
DelayKey(5);
LCD_WriteCmd(0x80); //AC归起始位
DelayKey(5);
for(i=0;i<64;i++)
LCD_WriteData(0x20);
}
//图形区和文本区显示在两个不同的RAM区
//图形区清RAM函数
void LCD_ClearBMP( void )
{
unsigned char i,j;
LCD_WriteCmd(0x34); //8Bit扩充指令集,即使是36H也要写两次
LCD_WriteCmd(0x36); //绘图ON,基本指令集里面36H不能开绘图
for(i=0;i<32;i++) //12864实际为256x32
{
LCD_WriteCmd(0x80|i); //行位置
LCD_WriteCmd(0x80); //列位置
for(j=0;j<32;j++) //256/8=32 byte
LCD_WriteData(0);
}
}
void LCD_PutStr(unsigned char row,unsigned char col,unsigned char *puts)
{
LCD_WriteCmd(0x30); //8BitMCU,基本指令集合
LCD_WriteCmd(AC_TABLE[8*row+col]); //起始位置
while(*puts != '\0') //判断字符串是否显示完毕
{
if(col==8) //判断换行
{ //若不判断,则自动从第一行到第三行
col=0;
row++;
}
if(row==4) row=0; //一屏显示完,回到屏左上角
LCD_WriteCmd(AC_TABLE[8*row+col]);
LCD_WriteData(*puts); //一个汉字要写两次
puts++;
if (*puts != '\0')
{
LCD_WriteData(*puts);
puts++;
}else{break;}
col++;
}
}
void LCD_PutBMP(unsigned const char *puts) //必须加const 只能写上下半屏相同的图片
{
unsigned int x=0;
unsigned char i,j;
LCD_WriteCmd(0x34); //8Bit扩充指令集,即使是36H也要写两次
LCD_WriteCmd(0x36); //绘图ON,基本指令集里面36H不能开绘图
for(i=0;i<32;i++) //12864实际为256x32
{
LCD_WriteCmd(0x80|i); //行位置
LCD_WriteCmd(0x80); //列位置
for(j=0;j<32;j++) //256/8=32 byte
{ //列位置每行自动增加
LCD_WriteData(puts[x]);
x++;
}
}
}
void Disp_Img(unsigned const char *img) //写整屏图片
{ unsigned int j=0;
unsigned char x,y,i;
for(i=0;i<9;i+=8)
for(y=0;y<32;y++)/*原来 为 y<26 ,上下两个半屏不能正常对接显示，导致显示的图片中间有空隙*/
for(x=0;x<8;x++)
{ LCD_WriteCmd(0x36);//功能设置---8BIT控制界面，扩充指令集
LCD_WriteCmd(y+0x80); //行地址
LCD_WriteCmd(x+0x80+i); //列地址
LCD_WriteCmd(0x30);
LCD_WriteData(img[j++]);
LCD_WriteData(img[j++]);
}
}
//维捷登测试用点阵显示
void DisplayDots(unsigned char DotByte)
{
unsigned char i,j;
LCD_WriteCmd(0x34); //8Bit扩充指令集,即使是36H也要写两次
LCD_WriteCmd(0x36); //绘图ON,基本指令集里面36H不能开绘图
for(i=0;i<32;i++) //12864实际为256x32
{
LCD_WriteCmd(0x80|i); //行位置
LCD_WriteCmd(0x80); //列位置
for(j=0;j<32;j++) //256/8=32 byte
{ //列位置每行自动增加
LCD_WriteData(DotByte);
}
DotByte=~DotByte;
}
}
//********************************************************//
//***** 转换的文件：E:\!Program\!BmpSample\25632.bmp
//***** 源图形宽度 * 高度：256 * 32
//***** 调整后宽度 * 高度：256 * 32
//***** 字模格式：横向取模,冗余模式,字节正序,正色取模,
//***** 点阵转换时间：2005/03/ 2 16:4:32
//***** 位图点阵占用1024字节
//********************************************************//
flash unsigned char bmp1[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x00,0x00,0x1F,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x0D,0xC0,0x07,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0x07,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x8E,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x04,0xE0,0x00,0x00,0x00,0x00,0x60,0x00,0x04,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x01,0x88,0x00,0x00,0x00,
0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x08,0x38,0xE0,0x00,0x00,0x39,0x00,0x00,0x00,
0x00,0x00,0x06,0x60,0x00,0x00,0x00,0x0C,0x1C,0xC0,0x00,0x00,0x04,0x80,0x00,0x00,
0x00,0x00,0x09,0x80,0x00,0x00,0x00,0x0C,0x30,0xC0,0x00,0x00,0x01,0xB0,0x00,0x00,
0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x08,0x7B,0x80,0x08,0x00,0x00,0x48,0x00,0x00,
0x00,0x00,0x58,0x00,0x01,0x86,0x00,0x00,0x03,0x80,0x0C,0x00,0x00,0x1E,0x00,0x00,
0x00,0x00,0x60,0x00,0x01,0x86,0x00,0x00,0x03,0x00,0x04,0x00,0x00,0x07,0x80,0x00,
0x00,0x00,0x80,0x00,0x01,0x86,0x00,0x00,0x03,0x00,0x04,0x00,0x00,0x07,0xC0,0x00,
0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x01,0xE0,0x00,
0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x78,0x00,
0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x78,0x00,
0x00,0x78,0x30,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x1E,0x00,
0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x07,0x00,0x1F,0x00,
0x01,0xE0,0x00,0xC7,0x80,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x06,0x00,0x07,0x00,
0x01,0xE0,0x00,0x19,0xC0,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x1C,0x00,0x07,0x00,
0x03,0x80,0x00,0x8F,0x80,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x0C,0x00,0x01,0xC0,
0x03,0x80,0x00,0x03,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,
0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,
0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,
0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,
0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x78,
0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,
0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,
0x1E,0x00,0x3E,0x00,0x00,0x00,0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x38,0x00,0x7C,
0x1E,0x00,0x36,0x00,0x00,0x00,0x00,0x03,0xC0,0x00,0x00,0x00,0x00,0x18,0x00,0x7C,
0x1E,0x00,0x1E,0x00,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x1C,0x00,0x7C,
0x1E,0x00,0x1C,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0x78,
0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,
0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,
0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,
0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,
0x07,0x00,0x00,0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,
0x07,0x80,0x00,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xF0,
0x07,0x80,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xE0,
0x07,0xC0,0x00,0x70,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x07,0xC0,
0x03,0xE0,0x00,0xF8,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x0C,0x04,0x07,0xC0,
0x01,0xE0,0x00,0xF8,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x07,0xC0,
0x00,0xF0,0x08,0x78,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x1F,0x80,
0x00,0xF8,0x20,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x1E,0x00,
0x00,0x3C,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x00,
0x00,0x3E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x00,
0x00,0x1F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xF8,0x00,
0x00,0x0F,0xC0,0x00,0x00,0x38,0x00,0x00,0x00,0x00,0x1C,0x00,0x00,0x07,0xF0,0x00,
0x00,0x07,0xE0,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x1E,0x00,0x00,0x0F,0xE0,0x00,
0x00,0x01,0xF8,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x1F,0x80,0x00,
0x00,0x00,0xFE,0x00,0x00,0x40,0x00,0x07,0x80,0x00,0x1E,0x00,0x00,0x7F,0x00,0x00,
0x00,0x00,0x3F,0x80,0x00,0x00,0x00,0x07,0xC0,0x00,0x00,0x00,0x03,0xF8,0x00,0x00,
0x00,0x00,0x0F,0xE0,0x02,0x00,0x00,0x06,0xC0,0x00,0x00,0x00,0x0F,0xE0,0x00,0x00,
0x00,0x00,0x03,0xF8,0x00,0x00,0x00,0x03,0x80,0x00,0x08,0x00,0x3F,0xC0,0x00,0x00,
0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x01,0xFE,0x00,0x00,0x00,
0x00,0x00,0x00,0x1F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xF8,0x00,0x00,0x00,
0x00,0x00,0x00,0x03,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xC0,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7F,0xE0,0x00,0x00,0x00,0x00,0x0F,0xFC,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0x80,0x00,0x00,0x01,0xFF,0xF0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xE0,0x3F,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
#pragma data:data //设置回到数据存储器区
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