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新人求教：LCD12864和LCD1602的区别 本人想用12864做显示但不知道它和1602在编程上的区别，有什么需要注意

Simone 发布于 2023-11-24 23:55:13 560 阅读

1602是指的16字符2行的那种吧。如果是，搭敏亮其点阵是这样的结构。其IC带有字库。想显示字符，只需要输入对应字的地址。

而12864的点阵是连续的。一般不带有字库。想写一个圆点，都要自己想好要写那些位置。屏上每个点都对应字IC内部RAM中一个BIT. 黑白的程序已经很久没有用了。不知道拿卖240*320彩屏的对LZ有帮助没有。区别是彩屏一个像素点需要16BIT数据（或者18，或者24）.

//---------------------------------------------------------------------------

#include "reg51.h"

typedef bit uint1;

typedef unsigned char uint8, uchar, UCHAR;

typedef unsigned int uint16, uint, UINT;

typedef unsigned long uint32, ulong, ULONG;

//---------------------------------------------------------------------------

sbit A0=P3^2;

sbit _RES=P3^0;

sbit _WR=P3^1;

sbit _LE=P3^6;

sbit _CS=P3^3;

//---------------------------------------------------------------------------

void Delay10ms(UINT t);

void W_COM(UCHAR dat);

void 知宽W_DATA1(UCHAR dat);

void W_DATA2(UCHAR dat1, UCHAR dat2);

void Init(void);

void ILI9320_HSD24_Initial(void);

void LCD_CtrlWrite_ILI9320(UINT com, UINT dat);

void Edge(void);

void Test(void);

void Clear(void);

void Full(void);

void Red(void);

void Green(void);

void Blue(void);

void RGBMix(void);

void Bar(void);

void Show(UINT sx, UINT ex, UINT sy, UINT ey, UINT dat);

void SetShowArea(UINT sx, UINT ex, UINT sy, UINT ey);

//void ShowPic(UCHAR* ppic, UCHAR size, UCHAR ystart, UCHAR xstart);

//---------------------------------------------------------------------------

void main(void)

{

 _LE = 0;

 _CS = 0;

 ILI9320_HSD24_Initial();

 while(1)

 {

  Full();

  Delay10ms(400);

  Clear();

  Delay10ms(400);

  Red();

  Delay10ms(400);

  Green();

  Delay10ms(400);

  Blue();

  Delay10ms(400);

  /*RGBMix();

  Delay10ms(400);

  Bar();

  Delay10ms(400);*/

 }

}

//---------------------------------------------------------------------------

void Delay10ms(UINT t)

{

 UCHAR i;

 while( t > 0 )

 {

  t--;

  for ( i = 0; i < 255; i++ )

   ;

 }

}

//---------------------------------------------------------------------------

void W_COM(UCHAR dat)

{

 A0 = 0;

 _LE = 1;

 P1 = 0x00;

 _LE = 0;

 P1 = dat;

 _WR = 0;

 _WR = 1;

}

//---------------------------------------------------------------------------

void W_DATA1(UCHAR dat)

{

 A0 = 1;

 P1 = dat;

 _WR = 0;

 _WR = 1;

}

//---------------------------------------------------------------------------

void W_DATA2(UCHAR dat1, UCHAR dat2)

{

 A0 = 1;

 _LE = 1;

 P1 = dat1;

 _LE = 0;

 P1 = dat2;

 _WR = 0;

 _WR = 1;

}

//---------------------------------------------------------------------------

void Init(void)

{

 _RES = 1;

 Delay10ms(100);

 _RES = 0;

 Delay10ms(100);

 _RES = 1;

 /*W_COM(0xE5);

 W_DATA2(0x80, 0x00);*/

 W_COM(0x00);

 W_DATA2(0x00, 0x01);

 Delay10ms(10);

 W_COM(0x01);

 W_DATA2(0x01, 0x00);

 W_COM(0x02);

 W_DATA2(0x07, 0x00);

 W_COM(0x03);

 W_DATA2(0x10, 0x30);

 //W_DATA2(0x0030);

 W_COM(0x04);

 W_DATA2(0x00, 0x00);

 

 W_COM(0x08);

 W_DATA2(0x02, 0x02);

 W_COM(0x09);

 W_DATA2(0x00, 0x00);

 W_COM(0x0A);

 W_DATA2(0x00, 0x00);

 W_COM(0x0C);

 W_DATA2(0x00, 0x00);

 W_COM(0x0D);

 W_DATA2(0x00, 0x00);

 W_COM(0x0F);

 W_DATA2(0x00, 0x00);

 

 W_COM(0x10);

 W_DATA2(0x00, 0x00);

 W_COM(0x11);

 W_DATA2(0x00, 0x07);

 W_COM(0x12);

 W_DATA2(0x00, 0x00);

 W_COM(0x13);

 W_DATA2(0x00, 0x00);

 Delay10ms(100);

 

 W_COM(0x10);

 W_DATA2(0x17, 0xB0);

 W_COM(0x11);

 W_DATA2(0x00, 0x37);

 Delay10ms(100);

 

 W_COM(0x12);

 W_DATA2(0x01, 0x3A);

 Delay10ms(100);

 

 W_COM(0x13);

 W_DATA2(0x16, 0x00);

 W_COM(0x29);

 W_DATA2(0x00, 0x0C);

 Delay10ms(100);

 

 W_COM(0x20);

 W_DATA2(0x00, 0x00);

 W_COM(0x21);

 W_DATA2(0x00, 0x00);

 

 W_COM(0x30);

 W_DATA2(0x05, 0x04);

 W_COM(0x31);

 W_DATA2(0x07, 0x03);

 W_COM(0x32);

 W_DATA2(0x07, 0x02);

 W_COM(0x35);

 W_DATA2(0x01, 0x01);

 W_COM(0x36);

 W_DATA2(0x0A, 0x1F);

 W_COM(0x37);

 W_DATA2(0x05, 0x04);

 W_COM(0x38);

 W_DATA2(0x00, 0x03);

 W_COM(0x39);

 W_DATA2(0x07, 0x06);

 W_COM(0x3C);

 W_DATA2(0x07, 0x07);

 W_COM(0x3D);

 W_DATA2(0x09, 0x1F);

 

 W_COM(0x50);

 W_DATA2(0x00, 0x00);

 W_COM(0x51);

 W_DATA2(0x00, 0xEF);

 W_COM(0x52);

 W_DATA2(0x00, 0x00);

 W_COM(0x53);

 W_DATA2(0x01, 0x3F);

 

 W_COM(0x60);

 W_DATA2(0x27, 0x00);

 W_COM(0x61);

 W_DATA2(0x00, 0x01);

 W_COM(0x6A);

 W_DATA2(0x00, 0x00);

 

 W_COM(0x80);

 W_DATA2(0x00, 0x00);

 W_COM(0x81);

 W_DATA2(0x00, 0x00);

 W_COM(0x82);

 W_DATA2(0x00, 0x00);

 W_COM(0x83);

 W_DATA2(0x00, 0x00);

 W_COM(0x84);

 W_DATA2(0x00, 0x00);

 W_COM(0x85);

 W_DATA2(0x00, 0x00);

 

 W_COM(0x90);

 W_DATA2(0x00, 0x10);

 W_COM(0x92);

 W_DATA2(0x00, 0x00);

 W_COM(0x93);

 W_DATA2(0x00, 0x03);

 W_COM(0x95);

 W_DATA2(0x01, 0x10);

 W_COM(0x97);

 W_DATA2(0x00, 0x00);

 W_COM(0x98);

 W_DATA2(0x00, 0x00);

 

 W_COM(0x07);

 W_DATA2(0x01, 0x73);

}

//---------------------------------------------------------------------------

void SetShowArea(UINT sx, UINT ex, UINT sy, UINT ey)

{

 W_COM(0x50);

 W_DATA2(0, sx);

 W_COM(0x51);

 W_DATA2(0, ex);

 W_COM(0x52);

 W_DATA2(sy/256, sy%256);

 W_COM(0x53);

 W_DATA2(ey/256, ey%256);

}

//---------------------------------------------------------------------------

void Clear(void)

{

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0x0000);

}

//---------------------------------------------------------------------------

void Full(void)

{

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0xFFFF);

}

//---------------------------------------------------------------------------

void Red(void)

{

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0xF800);

}

//---------------------------------------------------------------------------

void Green(void)

{

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0x07E0);

}

//---------------------------------------------------------------------------

void Blue(void)

{

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0x001F);

}

//---------------------------------------------------------------------------

void RGBMix(void)

{

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0xFFE0);

 Delay10ms(400);

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0x07FF); 

 Delay10ms(400);

 Show(0x0000, 0x00EF, 0x0000, 0x013F, 0xF81F);  

 Delay10ms(400);

 

 Clear();

/*

 Show(0x00, 0x3F, 0x00, 0x34, 0xFF, 0xE0);  

 Show(0x00, 0x3F, 0x35, 0x6A, 0x07, 0xFF);  

 Show(0x00, 0x3F, 0x6B, 0x9F, 0xF8, 0x1F);   

 Show(0x40, 0x7F, 0x00, 0x34, 0xF8, 0x00);  

 Show(0x40, 0x7F, 0x35, 0x6A, 0x07, 0xE0);  

 Show(0x40, 0x7F, 0x6B, 0x9F, 0x00, 0x1F);*/

}

//---------------------------------------------------------------------------

void Bar(void)

{

 Clear();

 /*

 Show(0x1F, 0x5F, 0x1A, 0x35, 0xF8, 0x00);  

 Show(0x1F, 0x5F, 0x50, 0x6B, 0x07, 0xE0);  

 Show(0x1F, 0x5F, 0x86, 0x9F, 0x00, 0x1F); */

}

//---------------------------------------------------------------------------

void Show(UINT sx, UINT ex, UINT sy, UINT ey, UINT dat)

{

 UINT x, y, i, j;

 SetShowArea(sx, ex, sy, ey);

 

 x = ex - sx;

 y = ey - sy;

 

 W_COM(0x22);

 for ( i = 0; i <= y; i++ )

  for ( j = 0; j <= x; j++ )

   W_DATA2(dat/256, dat%256);

}

//---------------------------------------------------------------------------

void ILI9320_HSD24_Initial(void)

{

// VCI=2.8V

//************* Reset LCD Driver ****************//

_RES = 1;

Delay10ms(1); // Delay 1ms

_RES = 0;

Delay10ms(10); // Delay 10ms // This delay time is necessary

_RES = 1;

Delay10ms(50); // Delay 50 ms

//************* Start Initial Sequence **********//

LCD_CtrlWrite_ILI9320(0x00E5, 0x8000); // Set the internal vcore voltage

LCD_CtrlWrite_ILI9320(0x0000, 0x0001); // Start internal OSC.

LCD_CtrlWrite_ILI9320(0x0001, 0x0100); // set SS and SM bit

LCD_CtrlWrite_ILI9320(0x0002, 0x0700); // set 1 line inversion

LCD_CtrlWrite_ILI9320(0x0003, 0x1030); // set GRAM write direction and BGR=1.

LCD_CtrlWrite_ILI9320(0x0004, 0x0000); // Resize register

LCD_CtrlWrite_ILI9320(0x0008, 0x0202); // set the back porch and front porch

LCD_CtrlWrite_ILI9320(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0]

LCD_CtrlWrite_ILI9320(0x000A, 0x0000); // FMARK function

LCD_CtrlWrite_ILI9320(0x000C, 0x0000); // RGB interface setting

LCD_CtrlWrite_ILI9320(0x000D, 0x0000); // Frame marker Position

LCD_CtrlWrite_ILI9320(0x000F, 0x0000); // RGB interface polarity

//*************Power On sequence ****************//

LCD_CtrlWrite_ILI9320(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB

LCD_CtrlWrite_ILI9320(0x0011, 0x0000); // DC1[2:0], DC0[2:0], VC[2:0]

LCD_CtrlWrite_ILI9320(0x0012, 0x0000); // VREG1OUT voltage

LCD_CtrlWrite_ILI9320(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude

Delay10ms(200); // Dis-charge capacitor power voltage

LCD_CtrlWrite_ILI9320(0x0010, 0x17B0); // SAP, BT[3:0], AP, DSTB, SLP, STB

LCD_CtrlWrite_ILI9320(0x0011, 0x0037); // DC1[2:0], DC0[2:0], VC[2:0]

Delay10ms(50); // Delay 50ms

LCD_CtrlWrite_ILI9320(0x0012, 0x013A); // VREG1OUT voltage

Delay10ms(50); // Delay 50ms

LCD_CtrlWrite_ILI9320(0x0013, 0x1C00); // VDV[4:0] for VCOM amplitude

LCD_CtrlWrite_ILI9320(0x0029, 0x000A); // VCM[4:0] for VCOMH

Delay10ms(50);

LCD_CtrlWrite_ILI9320(0x0020, 0x0000); // GRAM horizontal Address

LCD_CtrlWrite_ILI9320(0x0021, 0x0000); // GRAM Vertical Address

// ----------- Adjust the Gamma Curve ----------//

LCD_CtrlWrite_ILI9320(0x0030, 0x0007);

LCD_CtrlWrite_ILI9320(0x0031, 0x0203);

LCD_CtrlWrite_ILI9320(0x0032, 0x0001);

LCD_CtrlWrite_ILI9320(0x0035, 0x0007);

LCD_CtrlWrite_ILI9320(0x0036, 0x0407);

LCD_CtrlWrite_ILI9320(0x0037, 0x0607);

LCD_CtrlWrite_ILI9320(0x0038, 0x0106);

LCD_CtrlWrite_ILI9320(0x0039, 0x0007);

LCD_CtrlWrite_ILI9320(0x003C, 0x0007);

LCD_CtrlWrite_ILI9320(0x003D, 0x001E);

//------------------ Set GRAM area ---------------//

LCD_CtrlWrite_ILI9320(0x0050, 0x0000); // Horizontal GRAM Start Address

LCD_CtrlWrite_ILI9320(0x0051, 0x00EF); // Horizontal GRAM End Address

LCD_CtrlWrite_ILI9320(0x0052, 0x0000); // Vertical GRAM Start Address

LCD_CtrlWrite_ILI9320(0x0053, 0x013F); // Vertical GRAM Start Address

LCD_CtrlWrite_ILI9320(0x0060, 0x2700); // Gate Scan Line

LCD_CtrlWrite_ILI9320(0x0061, 0x0001); // NDL,VLE, REV

LCD_CtrlWrite_ILI9320(0x006A, 0x0000); // set scrolling line

//-------------- Partial Display Control ---------//

LCD_CtrlWrite_ILI9320(0x0080, 0x0000);

LCD_CtrlWrite_ILI9320(0x0081, 0x0000);

LCD_CtrlWrite_ILI9320(0x0082, 0x0000);

LCD_CtrlWrite_ILI9320(0x0083, 0x0000);

LCD_CtrlWrite_ILI9320(0x0084, 0x0000);

LCD_CtrlWrite_ILI9320(0x0085, 0x0000);

//-------------- Panel Control -------------------//

LCD_CtrlWrite_ILI9320(0x0090, 0x0010);

LCD_CtrlWrite_ILI9320(0x0092, 0x0000);

LCD_CtrlWrite_ILI9320(0x0093, 0x0003);

LCD_CtrlWrite_ILI9320(0x0095, 0x0110);

LCD_CtrlWrite_ILI9320(0x0097, 0x0000);

LCD_CtrlWrite_ILI9320(0x0098, 0x0000);

LCD_CtrlWrite_ILI9320(0x0007, 0x0173); // 262K color and display ON

}

//---------------------------------------------------------------------------

void LCD_CtrlWrite_ILI9320(UINT com, UINT dat)

{

 W_COM( com&0xFF );

 W_DATA2( dat>>8, dat&0xFF );

}

新人求教：LCD12864和LCD1602的区别 本人想用12864做显示但不知道它和1602在编程上的区别，有什么需要注意

标签:区别,LCD12864,LCD1602

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