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标题: （原创程序）ＴＦＴ屏驱动程序 [打印本页]

作者: Fade_time 时间: 2013-5-15 12:34
标题: （原创程序）ＴＦＴ屏驱动程序
原创程序）ＴＦＴ屏驱动程序
/*============================================================
* ＴＦＴ屏驱动程序
* 作者 :梦想科技*老高
* Email:9902013327@163.com
* 单片机采用AT89S52，晶振频率为：12.00MHz。
==============================================================
硬件：?22*32）模拟口线接线方式,连接线图:
--------------------------------------------------|
|DB0-----P0.0 | DB4-----P0.4 | RW-------P1.1 | A0--------P1.0 |
|DB1-----P0.1 | DB5-----P0.5 | RD-------P1.2 | Ext直接接到GND |
|DB2-----P0.2 | DB6-----P0.6 | CS-------P1.3 |
|DB3-----P0.3 | DB7-----P0.7 | REST-------P1.4 |
=============================================================*/
#include <AT89X55.H>
#include <intrins.h>
#define uchar unsigned char
#define LCD_DATA P0
//****定义引脚********//
sbit LCD_A0=P1^0;  //指令或数据选择
sbit LCD_RW=P1^1;  //写数据
sbit LCD_RD=P1^2; //读数据
sbit LCD_CS=P1^3;  //片选信号
sbit LCD_RST=P1^4; //软件复位
uchar show[]="Comedia";
//延时程序
void delay(uchar second)    //second=1时，延时5ms子程序
{
   unsigned char i,j,k;
   for(i=second;i>0;i--)
   for(j=10;j>0;j--)
   for(k=248;k>0;k--);
}
//复位函数实现
void Rst_bit ()
{
P1=P1&0xf7; //片选液晶屏LCD_CS=0;
P1=P1&0xef; //低电瓶有效LCD_RST=0;
delay(10);
P1=P1|0x10; //低电瓶有效LCD_RST=1;
}
//写指令子函数
void write_code(uchar com)
{
P1=P1&0xfe;    //选择写指令LCD_A0 = 0;
delay(1);
P1=P1|0x04;    //读操作LCD_RD = 1;
delay(1);
LCD_DATA = com;
P1=P1&0xfd;    //写操作LCD_RW = 0;
delay(1);
_nop_();
_nop_();
P1=P1|0x02;    //写操作LCD_RW = 1;
}
//写数据子函数
void write_data0(uchar dat)
{
P1=P1|0x01;    //选择写数据LCD_A0 = 1;
delay(1);
P1=P1&0xfb;    //读操作LCD_RD = 0;
// P1=P1|0x04;    //读操作LCD_RD = 1;
delay(1);
LCD_DATA = dat;
delay(1);
P1=P1&0xfd;    //写操作LCD_RW = 0;
delay(1);
_nop_();
_nop_();
P1=P1|0x02;    //写操作LCD_RW = 1;
}
//写数据子函数
void write_data(uchar dat)
{
P1=P1|0x01;    //选择写数据LCD_A0 = 1;
delay(1);
// P1=P1&0xfb;    //读操作LCD_RD = 0;
P1=P1|0x04;    //读操作LCD_RD = 1;
delay(1);
LCD_DATA = dat;
delay(1);
P1=P1&0xfd;    //写操作LCD_RW = 0;
delay(1);
_nop_();
_nop_();
P1=P1|0x02;    //写操作LCD_RW = 1;
}
//初始化液晶屏
void Initial(void)
{
write_code(0x01);       //Software Reset
delay(30);             //delay 150mS
write_code(0xD7);       //Autoread control
write_data(0xBF);       //Disable Autoread
write_code(0xE0);       //Control OTP/MTP
write_data(0x00);       //Read Mode
delay(2);             //delay 10mS
write_code(0xE3);       //Control OTP/MTP
delay(4);             //delay 20mS
write_code(0xE1);       //Close Read Mode

//-----------------------------------------------------------------------------------//
write_code(0x11);       //Sleep Out
write_code(0x20);       //Normal Display
//------------------------------------OTPB Set---------------------------------------//
write_code(0xC3);       //Bias Set:1/12
write_data(0x00);       //1/12
write_code(0xC4);       //Booster Set
write_data(0x06);       //
write_code(0xC5);       //Booster Efficiency Set
write_data(0x01);       //
write_code(0xCB);       //VG Booster Set
write_data(0x01);       //
write_code(0xCC);       //ID1 Set
write_data(0x45);       //
write_code(0xCE);       //ID3 Set
write_data(0x00);       //
write_code(0xB7);       //Glass Direction
write_data(0xC0);       //
write_code(0xD0);       //Follower Type set
write_data(0x19);       //
//------------------------------------MTP Set----------------------------------------//
write_code(0xD7);       //Autoread control
write_data(0xBF);       //
//  write_code(0x00,0xC7); //V0 Offset Voltage Set
//  write_data(0x00,0x00); //
//  write_data(0x00,0x00); //
write_code(0xB5);       //N-line Set
write_data(0x00);       //
write_code(0xCD);       //ID2 Set
write_data(0xD2);       //
write_code(0xD0);       //Set Vg Source
write_data(0x19);       //
write_code(0xB4);       //PTL Saving Mode Set
write_data(0x18);       //Power Normal Mode
//-----------------------------------------------------------------------------------//
//----------------------------Command Table 1----------------------------------------//
//-----------------------------------------------------------------------------------//

//  write_code(0x00,0x38);  //Idle Mode Off
write_code(0x25);
//  write_data(0x00);    //Contrast Difference Set
write_data(0x35);    //

//  write_code(0x00,0x13);  //Partial Mode Off

//  write_code(0x00,0x34);  //TE Off
//  write_code(0x00,0x33);  //Scroll Area Set
//  write_data(0x00,0x00);  //Top Address
//  write_data(0x00,0x84);  //Height Address
//  write_data(0x00,0x00);  //Botton Address
//  write_code(0x00,0x37);  //Scroll Start Address Set
//  write_data(0x00,0x00); //
write_code(0x3A);       //Pixel Format Set
write_data(0x05);       //
write_code(0x36);       //Memory Access Control
write_data(0x08);       //
write_code(0x29);       //Display On
//-----------------------------------------------------------------------------------//
//------------------------Command Table 2 [XXXX/XXXX/GAMM]---------------------------//
//-----------------------------------------------------------------------------------//
write_code(0xB0);       //Duty Set
write_data(0x83);       //
write_code(0xB1);       //First COM Set
write_data(0x00);       //
write_code(0xB3);       //OSC Div. Set
write_data(0x00);       //
write_code(0xC0);       //V0 Voltage Set
write_data(0x33);       //
write_data(0x01);       //
write_code(0xC6);       //V0 Bias Set
write_data(0x00);       //
write_code(0xB7);       //Glass Direction
write_data(0xC0);       //
//------------------------------Gamma Table Set--------------------------------------//
write_code(0xF9);       //Gamma
write_data(0x00);       //
write_data(0x03);       //
write_data(0x05);       //
write_data(0x07);       //
write_data(0x09);       //
write_data(0x0B);       //
write_data(0x0D);       //
write_data(0x0F);       //
write_data(0x11);       //
write_data(0x13);       //
write_data(0x15);       //
write_data(0x17);       //
write_data(0x19);       //
write_data(0x1B);       //
write_data(0x1D);       //
write_data(0x1F);
}
void fill_color(uchar X1, uchar Y1, uchar X2, uchar Y2)
{
unsigned int i=0;
write_code(0x2A);
write_data(X1);
write_data(X2);
write_code(0x2B);
write_data(Y1);
write_data(Y2);
write_code(0x2D);
for(i=1000;i>0;i--)
{
//    write_data(0x00);
//    write_data(0x00);
      write_data(0x00);
      write_data(0x1f);
}
}
void main(void)
{
  delay(4); //启动等待，等LCM讲入工作状态
  Rst_bit ();
  delay(4); //启动等待，等LCM讲入工作状态
  Initial();
  fill_color(0x30,0x30,0x70,0x70);
  while(1)
  {

  }
}

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