file&: lcd.h
Description: LCD12864 驅(qū)動(dòng) ,采用串行方式,
Author:kassey@126.comJuly,22th,2005
********************************************/
#i nclude
#i nclude
sbit SCLK =P1^3 //E
sbit SID =P1^4; //RW
sbit RST =P1^2; // low active 可以不用,也就是說(shuō),只用兩條線(xiàn)和LCD通信
#define ROW1 0x80
#define ROW2 0x90
#define ROW3 0x88
#define ROW4 0x98
unsigned char code AC_TABLE[]={
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, //第一行漢字位置
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, //第二行漢字位置
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, //第三行漢字位置
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f, //第四行漢字位置
};
/*****************************************
Fucntion: delay10US(char x)
Description: delay for 10 us
Parameter: x
Author:kassey@126.com
Date: July,7th,2005
*****************************************/
void delay10US(uchar x)
{
uchar k;
for(k=0;k
}
/*****************************************
Fucntion: delay1MS(char x)
Description: delay for 10 us
Parameter: x delay for 1MS
Author:kassey@126.com
Date: July,7th,2005
*****************************************/
void delay1MS(uchar x)
{
uchar k,j;
x=x《《1;
for(k=0;k for(j=0;j《255;j++)_nop_();
}
void SendByteLCD(uchar WLCDData)
{
uchar i;
for(i=0;i《8;i++)
{
if((WLCDData《else SID=0;
SCLK=0;
SCLK=1
}
}
SPIWR(uchar Wdata,uchar RS)
{
SendByteLCD(0xf8+(RS《《1));
SendByteLCD(Wdata&0xf0);
SendByteLCD((Wdata《《4)&0xf0);
}
void SendCMD(uchar CMD)
{
SPIWR(CMD,0);
delay10US(90);//8155來(lái)模擬串行通信,所以,加上8155的延時(shí),
}
void SendData(uchar Data)
{
SPIWR(Data,1);
}
void LCDInit()
{
RST=0;
delay1MS(50);
RST=1;
SendCMD(0x30);//功能設(shè)置,一次送8位數(shù)據(jù),基本指令集
SendCMD(0x0C);//0000,1100 整體顯示,游標(biāo)off,游標(biāo)位置off
SendCMD(0x01);//0000,0001 清DDRAM
SendCMD(0x02);//0000,0010 DDRAM地址歸位
SendCMD(0x80);//1000,0000 設(shè)定DDRAM 7位地址000,0000到地址計(jì)數(shù)器AC//
SendCMD(0x04);//點(diǎn)設(shè)定,顯示字符/光標(biāo)從左到右移位,DDRAM地址加 一//
SendCMD(0x0C);//顯示設(shè)定,開(kāi)顯示,顯示光標(biāo),當(dāng)前顯示位反白閃動(dòng)
}
/*****************************
清文本區(qū)
*****************************/
void LcmClearTXT( void )
{
unsigned char i;
SendCMD(0x30); //8BitMCU,基本指令集合
SendCMD(0x80); //AC歸起始位
for(i=0;i《64;i++)
SendData(0x20);
}
/*****************************
發(fā)送字符串
*****************************/
void PutStr(unsigned char row,unsigned char col,unsigned char *puts)
{
SendCMD(0x30); //8BitMCU,基本指令集合
SendCMD(AC_TABLE[8*row+col]); //起始位置
while(*puts != ‘\0’) //判斷字符串是否顯示完畢
{
if(col==8) //判斷換行
{ //若不判斷,則自動(dòng)從第一行到第三行
col=0;
row++;
}
if(row==4) row=0; //一屏顯示完,回到屏左上角
SendCMD(AC_TABLE[8*row+col]);
SendData(*puts); //一個(gè)漢字要寫(xiě)兩次
puts++;
SendData(*puts);
puts++;
col++;
}
}
/*****************************
繪圖
*****************************/
void PutBMP(unsigned char *puts)
{
unsigned int x=0;
unsigned char i,j;
SendCMD(0x34); //8Bit擴(kuò)充指令集,即使是36H也要寫(xiě)兩次
SendCMD(0x36); //繪圖ON,基本指令集里面36H不能開(kāi)繪圖
for(i=0;i《32;i++) //12864實(shí)際為256x32
{
SendCMD(0x80|i); //行位置
SendCMD(0x80); //列位置
for(j=0;j《32;j++) //256/8=32 byte
{ //列位置每行自動(dòng)增加
SendData(puts[x]);
x++;
}
}
}
void ClearScreen()
{ uchar i,j,x,y;
LCDInit();
SendCMD(0x3e);// RE=1 擴(kuò)展指令選擇 G=1 開(kāi)圖形顯示
x=0x80;
y=0x80;
for(j=0;j《64;j++)
{
y=0x80;
SendCMD(x);
SendCMD(y);
for(i=0;i《32;i++)
{
SendData(0x00);
}
x=x+1;
}
}
void Sendint(uint dd)
{
SendData(dd》》8);
SendData(dd);
}
/*****************************
打點(diǎn) x=0:128; y=0:64;
*****************************/
void Gra(uchar x,uchar y)
{
uchar xx,yy;
SendCMD(0x34);
SendCMD(0x36);
xx=x/16;
yy=63-y;
if(yy》=32){xx=xx+8;yy-=32;}
SendCMD(0x80+yy);
SendCMD(0x80+xx);
Sendint(0x8000》》(x%16));
}
uchar code IBM[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xF0,0x00,0xFF,0xFF,0xE0,0x00,0x07,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xF0,0x00,0xFF,0xFF,0xE0,0x00,0x0F,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xF8,0x00,0xFF,0xFF,0xE0,0x00,0x0F,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFC,0x00,0xFF,0xFF,0xF0,0x00,0x1F,0xFF,0xFE,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0x00,0xFF,0xFF,0xF8,0x00,0x3F,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0x80,0xFF,0xFF,0xFC,0x00,0x7F,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0x80,0xFF,0xFF,0xFC,0x00,0x7F,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0x80,0xFF,0xFF,0xFC,0x00,0x7F,0xFF,0xFE,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0xC0,0x03,0xFF,0xFE,0x01,0xFF,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0xC0,0x03,0xFF,0xFF,0x01,0xFF,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0xC0,0x03,0xFF,0xFF,0x03,0xFF,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0x80,0x03,0xFF,0xFF,0x83,0xFF,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFF,0x00,0x03,0xFF,0xFF,0xCF,0xFF,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFE,0x00,0x03,0xFF,0xFF,0xEF,0xFF,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFE,0x00,0x03,0xFF,0xFF,0xEF,0xFF,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFC,0x00,0x03,0xFF,0xBF,0xFF,0xFB,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFC,0x00,0x03,0xFF,0x8F,0xFF,0xF3,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFE,0x00,0x03,0xFF,0x87,0xFF,0xE3,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFE,0x00,0x03,0xFF,0x87,0xFF,0xE3,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xFF,0xFF,0xFF,0x00,0x03,0xFF,0x87,0xFF,0xC3,0xFF,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0x80,0x01,0xFF,0x83,0xFF,0x83,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0xC0,0x01,0xFF,0x81,0xFF,0x03,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0xC0,0x01,0xFF,0x81,0xFF,0x03,0xFF,0x00,
0x00,0xFF,0xC0,0x00,0x0F,0xF8,0x00,0xFF,0xC0,0x01,0xFF,0x80,0xFF,0x03,0xFF,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0xC0,0xFF,0xFF,0xC0,0x7E,0x03,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0xC0,0xFF,0xFF,0xC0,0x7C,0x03,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0xC0,0xFF,0xFF,0xC0,0x3C,0x03,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFF,0x80,0xFF,0xFF,0xC0,0x3C,0x03,0xFF,0xFE,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFE,0x00,0xFF,0xFF,0xC0,0x18,0x03,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFE,0x00,0xFF,0xFF,0xC0,0x18,0x03,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xFC,0x00,0xFF,0xFF,0xC0,0x08,0x03,0xFF,0xFE,
0x7F,0xFF,0xFF,0x87,0xFF,0xFF,0xFF,0xF8,0x00,0xFF,0xFF,0xC0,0x00,0x03,0xFF,0xFE,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
void Put(uchar *p)
{
uchar xx,yy
for(yy=0;yy《32;yy++)
for(xx=0;xx《8;xx++)
{
SendCMD(0x80+yy); //y 按位
SendCMD(0x80+xx);//x 按16位
SendData(*p);
p++;
SendData(*p);
p++;
}
for(yy=0;yy《32;yy++)
for(xx=8;xx《16;xx++)
{
SendCMD(0x80+yy); //y 按位
SendCMD(0x80+xx);//x 按16位
SendData(*p);
p++;
SendData(*p);
p++;
}
}
void Clear()
{ uchar i,j;
LCDInittest();
SendCMD(0x34);
SendCMD(0x3e);// RE=1 擴(kuò)展指令選擇 G=1 開(kāi)圖形顯示
for(j=0;j《16;j++)
for(i=0;i《32;i++)
{
SendCMD(0x80+i);
SendCMD(0x80+j);
SendData(0x00);
SendData(0x00);
}
}
void main()
{
LCDInittest();
LcmClearBMP();
Put(IBM);
while(1)
{
}
}
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