2021年02月22日 | 使用MSP430驱动HX8340 TFT液晶屏

#include

#define uint unsigned int

#define uchar unsigned char

#define LCD_RD_SET {P2OUT |= BIT0;}

#define LCD_RD_CLR {P2OUT &= ~BIT0;}

#define LCD_WR_SET {P2OUT |= BIT1;}

#define LCD_WR_CLR {P2OUT &= ~BIT1;}

#define LCD_RS_SET {P2OUT |= BIT2;}

#define LCD_RS_CLR {P2OUT &= ~BIT2;}

#define LCD_CS_SET {P2OUT |= BIT3;}

#define LCD_CS_CLR {P2OUT &= ~BIT3;}

#define LCD_RESET_SET {P2OUT |= BIT5;}

#define LCD_RESET_CLR {P2OUT &= ~BIT5;}

#defineLCD_DataPortH P1OUT //高8位数据口

/*

程序默认IO连接方式：

DB0-DB7 P1OUT

RD P2OUT.0

WR P2OUT.1

RS P2OUT.2

CS P2OUT.3

RESET P2OUT.5

*/

void delayms(uint count)// /* X1ms */

{

uint i,j;

for(i=0;ifor(j=0;j<100;j++);

}

void Lcd_Write_Com( uintDH) //命令

{

LCD_RS_CLR

LCD_CS_CLR

LCD_DataPortH=DH>>8;

LCD_WR_CLR

LCD_WR_SET

LCD_DataPortH=DH;

LCD_WR_CLR

LCD_WR_SET

LCD_CS_SET

}

void lcd_write_color(uchar hh,uchar ll) //发送颜色数据为提高速度高8位低8位分别传递

{

LCD_RS_SET

LCD_CS_CLR

LCD_DataPortH=hh;

LCD_WR_CLR

LCD_WR_SET

LCD_DataPortH=ll;

LCD_WR_CLR

LCD_WR_SET

LCD_CS_SET

}

void Lcd_Write_Data(uint DH) //数据

{

LCD_RS_SET

LCD_CS_CLR

LCD_DataPortH=DH>>8;

LCD_WR_CLR

LCD_WR_SET

LCD_DataPortH=DH;

LCD_WR_CLR

LCD_WR_SET

LCD_CS_SET

}

void Lcd_Write_Com_Data( uint com1,uint dat1) //命令数据一起

{

Lcd_Write_Com(com1);

Lcd_Write_Data(dat1);

}

void Address_set(uint x1,uint y1,uint x2,uint y2)

{

Lcd_Write_Com_Data(0x0002,0x0000);

Lcd_Write_Com_Data(0x0003,x1);

Lcd_Write_Com_Data(0x0004,0x0000);

Lcd_Write_Com_Data(0x0005,x2);

Lcd_Write_Com_Data(0x0006,0x0000);

Lcd_Write_Com_Data(0x0007,y1);

Lcd_Write_Com_Data(0x0008,0x0000);

Lcd_Write_Com_Data(0x0009,y2);

Lcd_Write_Com (0x22);//LCD_WriteCMD(GRAMWR);

}

void TFT_init(void)

{

LCD_RESET_SET

delayms(5);

LCD_RESET_CLR

delayms(10);

LCD_RESET_SET

LCD_CS_SET

LCD_RD_SET

LCD_WR_SET

delayms(20);

Lcd_Write_Com_Data(0x0026,0x0084); //PT=10,GON=0, DTE=0, D=0100

delayms(40);

Lcd_Write_Com_Data(0x0026,0x00B8); //PT=10,GON=1, DTE=1, D=1000

delayms(40);

Lcd_Write_Com_Data(0x0026,0x00BC); //PT=10,GON=1, DTE=1, D=1100

delayms(20); //新增加的延时080421

// Lcd_Write_Com_Data(0x0001,0x0000); // PTL='1' Enter Partail mode

//Driving ability Setting

Lcd_Write_Com_Data(0x0060,0x0000); //PTBA[15:8]

Lcd_Write_Com_Data(0x0061,0x0006); //PTBA[7:0]

Lcd_Write_Com_Data(0x0062,0x0000); //STBA[15:8]

Lcd_Write_Com_Data(0x0063,0x00C8); //STBA[7:0]

delayms(20); //新增加的延时 080421

//Gamma Setting

Lcd_Write_Com_Data(0x0073,0x0070); //

Lcd_Write_Com_Data(0x0040,0x0000); //

Lcd_Write_Com_Data(0x0041,0x0040); //

Lcd_Write_Com_Data(0x0042,0x0045); //

Lcd_Write_Com_Data(0x0043,0x0001); //

Lcd_Write_Com_Data(0x0044,0x0060); //

Lcd_Write_Com_Data(0x0045,0x0005); //

Lcd_Write_Com_Data(0x0046,0x000C); //

Lcd_Write_Com_Data(0x0047,0x00D1); //

Lcd_Write_Com_Data(0x0048,0x0005); //

Lcd_Write_Com_Data(0x0050,0x0075); //

Lcd_Write_Com_Data(0x0051,0x0001); //

Lcd_Write_Com_Data(0x0052,0x0067); //

Lcd_Write_Com_Data(0x0053,0x0014); //

Lcd_Write_Com_Data(0x0054,0x00F2); //

Lcd_Write_Com_Data(0x0055,0x0007); //

Lcd_Write_Com_Data(0x0056,0x0003); //

Lcd_Write_Com_Data(0x0057,0x0049); //

delayms(20); //新增加的延时 080421

//Power Setting

Lcd_Write_Com_Data(0x001F,0x0003); //VRH=4.65V VREG1（GAMMA） 00~1E080421

Lcd_Write_Com_Data(0x0020,0x0000); //BT (VGH~15V,VGL~-12V,DDVDH~5V)

Lcd_Write_Com_Data(0x0024,0x0024); //VCOMH(VCOM High voltage3.2V) 0024/12 080421 11~40

Lcd_Write_Com_Data(0x0025,0x0034); //VCOML(VCOM Low voltage -1.2V) 0034/4A 080421 29~3F

//****VCOM offset**///

Lcd_Write_Com_Data(0x0023,0x002F); //VMF(no offset)

delayms(20); //新增加的延时080421 10~39

//##################################################################

// Power Supply Setting

Lcd_Write_Com_Data(0x0018,0x0044); //I/P_RADJ,N/P_RADJ Noraml mode 60Hz

Lcd_Write_Com_Data(0x0021,0x0001); //OSC_EN='1' start osc

Lcd_Write_Com_Data(0x0001,0x0000); //SLP='0' out sleep

Lcd_Write_Com_Data(0x001C,0x0003); //AP=011

Lcd_Write_Com_Data(0x0019,0x0006); // VOMG=1,PON=1, DK=0,

delayms(20); //新增加的延时080421

//##################################################################

// Display ON Setting

Lcd_Write_Com_Data(0x0026,0x0084); //PT=10,GON=0, DTE=0, D=0100

delayms(40);

Lcd_Write_Com_Data(0x0026,0x00B8); //PT=10,GON=1, DTE=1, D=1000

delayms(40);

Lcd_Write_Com_Data(0x0026,0x00BC); //PT=10,GON=1, DTE=1, D=1100

delayms(20); //新增加的延时080421

//SET GRAM AREA

Lcd_Write_Com_Data(0x0002,0x0000);

Lcd_Write_Com_Data(0x0003,0x0000);

Lcd_Write_Com_Data(0x0004,0x0000);

Lcd_Write_Com_Data(0x0005,0x00AF);

Lcd_Write_Com_Data(0x0006,0x0000);

Lcd_Write_Com_Data(0x0007,0x0000);

Lcd_Write_Com_Data(0x0008,0x0000);

Lcd_Write_Com_Data(0x0009,0x00DB);

delayms(20); //新增加的延时080421

Lcd_Write_Com_Data(0x0016,0x0008);//MV MX MY ML SET0028横屏显示（此时Lcd_Write_Com_Data(0x0005,0x00DB);Lcd_Write_Com_Data(0x0009,0x00AF);）

Lcd_Write_Com_Data(0x0017,0x0005);//COLMOD Control Register (R17h)

Lcd_Write_Com (0x0021);//LCD_WriteCMD(GRAMWR)

Lcd_Write_Com(0x0022);

}

void Pant(uint color)

{

uint i,j;

Address_set(0,0,175,219);

for(i=0;i<220;i++)

{

for (j=0;j<176;j++)

{

Lcd_Write_Data(color);

}

}

}

void main()

{

WDTCTL=WDTPW+WDTHOLD;//关看门狗

BCSCTL1 = CALBC1_8MHZ; // Set DCO

DCOCTL = CALDCO_8MHZ;

// BCSCTL2=SELM_3;//选择时钟源为MCLK

P1SEL&=0x00;//P1为I/O模式

P1DIR|=0xff;//选择P1为输出端

P2DIR|=0xff;//P2为输出端

P1OUT = 0x00;

P2OUT = 0x00;

TFT_init(); //tft初始化

while(1)

{

Pant(0xf800); //红色

Pant(0X07E0); //绿色

Pant(0x001f); //蓝色

Pant(0xffff); //清屏

}

}