2.4TFT彩屏51驱动程序

1楼-- · 2020-01-27 14:18

#include <reg51.h>

/*
代码测试环境:JME-2核心板+1T指令周期的STC单片机（51内核STC12LE5A60S2)+33M晶振    单片机工作电压3.3V
程序默认IO连接方式：
控制线：RS-P3^5; WR-P3^6; RD-P3^7; CS-P1^0; REST-P1^2;
数据线: DB0-DB7依次连接P0^0-P0^7;  DB8-DB15依次连接P2^0-P2^7;（8位模式下DB0-DB7可以不连接）
触摸功能连接方式：(不使用触摸可不连接)
D_CLK-P1^7;  D_CS-P1^4;  D_DIN-P3^0;  D_OUT-P3^1;  D_PENIRQ-P3^4;
*/
#define Bus_16       //16位数据模式,如果使用8位模式，请注释此语句，如果使用16位模式，请打开此句
#define  LCD_DataPortH P2    //高8位数据口,8位模式下只使用高8位
#define  LCD_DataPortL P0    //低8位数据口 ,8位模式下低8位可以不接线,请确认P0口已经上拉10K电阻,不宜太小，最小4.7K,推荐10K.
sbit LCD_RS = P3^5;       //数据/命令切换
sbit LCD_WR = P3^6;    //写控制
sbit LCD_RD =P3^7;       //读控制
sbit LCD_CS=P1^0; //片选
sbit LCD_REST = P1^2;       //复位

void delayms(int count)  // /* X1ms */
{
      int i,j;
      for(i=0;i<count;i++)
            for(j=0;j<1000;j++);
}

#ifdef  Bus_16 //条件编译-16位数据模式
void LCD_Writ_Bus(char VH,char VL) //并行数据写入函数
{
LCD_DataPortH=VH;
LCD_DataPortL=VL;
LCD_WR=0;
LCD_WR=1;
}
#else //条件编译-8位数据模式
void LCD_Writ_Bus(char VH,char VL) //并行数据写入函数
{
LCD_DataPortH=VH;
   LCD_WR=0;
LCD_WR=1;
LCD_DataPortH=VL;
LCD_WR=0;
LCD_WR=1;
}
#endif

void Lcd_Write_Com(char VH,char VL)    //发送命令-8位参数
{
LCD_RS=0;
LCD_Writ_Bus(VH,VL);
}
void Lcd_Write_Data(char VH,char VL) //发送数据-8位参数
{
LCD_RS=1;
LCD_Writ_Bus(VH,VL);
}
void Lcd_Write_Com_Data(int com,int val)    //发送数据命令
{
Lcd_Write_Com(com>>8,com);
Lcd_Write_Data(val>>8,val);
}

void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
{
Lcd_Write_Com(0x00,0x20);Lcd_Write_Data(x1>>8,x1);    //设置X坐标位置
Lcd_Write_Com(0x00,0x21);Lcd_Write_Data(y1>>8,y1); //设置Y坐标位置
Lcd_Write_Com(0x00,0x50);Lcd_Write_Data(x1>>8,x1); //开始X
Lcd_Write_Com(0x00,0x52);Lcd_Write_Data(y1>>8,y1);    //开始Y
Lcd_Write_Com(0x00,0x51);Lcd_Write_Data(x2>>8,x2); //结束X
Lcd_Write_Com(0x00,0x53);Lcd_Write_Data(y2>>8,y2); //结束Y
Lcd_Write_Com(0x00,0x22);
}

void Lcd_Init(void)
{

LCD_REST=1;
delayms(5);
LCD_REST=0;
delayms(5);
LCD_REST=1;
LCD_CS=1;
LCD_RD=1;
LCD_WR=1;
delayms(5);

LCD_CS =0;  //打开片选使能
//************* Start Initial Sequence **********//
Lcd_Write_Com_Data(0x0001, 0x0100); // set SS and SM bit
Lcd_Write_Com_Data(0x0002, 0x0200); // set 1 line inversion
Lcd_Write_Com_Data(0x0003, 0x1030); // set GRAM write direction and BGR=1.
Lcd_Write_Com_Data(0x0004, 0x0000); // Resize register
Lcd_Write_Com_Data(0x0008, 0x0207); // set the back porch and front porch
Lcd_Write_Com_Data(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0]
Lcd_Write_Com_Data(0x000A, 0x0000); // FMARK function
Lcd_Write_Com_Data(0x000C, 0x0000); // RGB interface setting
Lcd_Write_Com_Data(0x000D, 0x0000); // Frame marker Position
Lcd_Write_Com_Data(0x000F, 0x0000); // RGB interface polarity
//*************Power On sequence ****************//
Lcd_Write_Com_Data(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
Lcd_Write_Com_Data(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
Lcd_Write_Com_Data(0x0012, 0x0000); // VREG1OUT voltage
Lcd_Write_Com_Data(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
Lcd_Write_Com_Data(0x0007, 0x0001);
delayms(200); // Dis-charge capacitor power voltage
Lcd_Write_Com_Data(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB
Lcd_Write_Com_Data(0x0011, 0x0227); // Set DC1[2:0], DC0[2:0], VC[2:0]
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x0012, 0x000D); // 0012
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x0013, 0x1200); // VDV[4:0] for VCOM amplitude
Lcd_Write_Com_Data(0x0029, 0x000A); // 04  VCM[5:0] for VCOMH
Lcd_Write_Com_Data(0x002B, 0x000D); // Set Frame Rate
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x0020, 0x0000); // GRAM horizontal Address
Lcd_Write_Com_Data(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
Lcd_Write_Com_Data(0x0030, 0x0000);
Lcd_Write_Com_Data(0x0031, 0x0404);
Lcd_Write_Com_Data(0x0032, 0x0003);
Lcd_Write_Com_Data(0x0035, 0x0405);
Lcd_Write_Com_Data(0x0036, 0x0808);
Lcd_Write_Com_Data(0x0037, 0x0407);
Lcd_Write_Com_Data(0x0038, 0x0303);
Lcd_Write_Com_Data(0x0039, 0x0707);
Lcd_Write_Com_Data(0x003C, 0x0504);
Lcd_Write_Com_Data(0x003D, 0x0808);
//------------------ Set GRAM area ---------------//
Lcd_Write_Com_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
Lcd_Write_Com_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
Lcd_Write_Com_Data(0x0052, 0x0000); // Vertical GRAM Start Address
Lcd_Write_Com_Data(0x0053, 0x013F); // Vertical GRAM Start Address
Lcd_Write_Com_Data(0x0060, 0xA700); // Gate Scan Line
Lcd_Write_Com_Data(0x0061, 0x0001); // NDL,VLE, REV

Lcd_Write_Com_Data(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
Lcd_Write_Com_Data(0x0080, 0x0000);
Lcd_Write_Com_Data(0x0081, 0x0000);
Lcd_Write_Com_Data(0x0082, 0x0000);
Lcd_Write_Com_Data(0x0083, 0x0000);
Lcd_Write_Com_Data(0x0084, 0x0000);
Lcd_Write_Com_Data(0x0085, 0x0000);
//-------------- Panel Control -------------------//
Lcd_Write_Com_Data(0x0090, 0x0010);
Lcd_Write_Com_Data(0x0092, 0x0000);
Lcd_Write_Com_Data(0x0007, 0x0133); // 262K color and display ON

LCD_CS =1;  //关闭片选使能

}

void Pant(char VH,char VL)
{
int i,j;
LCD_CS =0;  //打开片选使能
Address_set(0,0,240,320);
for(i=0;i<320;i++)
   {
   for (j=0;j<240;j++)
   {
           Lcd_Write_Data(VH,VL);
      }

   }
   LCD_CS =1;  //关闭片选使能
}
main()
{
Lcd_Init();       //TFT初始化
Pant(0xff,0xff);    //TFT清屏
while(1)
{
      Pant(0xf8,0x00); //红 {MOD}
delayms(2000);
      Pant(0X07,0xE0); //绿 {MOD}
delayms(2000);
      Pant(0x00,0x1f); //蓝 {MOD}
delayms(2000);
}

}

目录：
触摸测试程序
LCD图片取模软件Image2Lcd
C51图片显示测试程序
C51刷屏测试程序

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