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标题: 小白一个，请教如何基于rk3288平台 添加mipi接口4lane lcd驱动 [打印本页]
作者: nds_shenzhen    时间: 2017-6-13 20:40
标题: 小白一个，请教如何基于rk3288平台 添加mipi接口4lane lcd驱动
如题，公司需要添加个lcd屏幕驱动，打算让我点亮，我现在有点不知道怎么入手。
供应商只给了简单的初始化代码。规格书 时序都没有。请问，我该如何入手。麻烦请教
TFT7201280-48-E(4.99D)v1.0.pdf (795.48 KB, 下载次数: 7)





  3. #if  1

  5.                    /**********initial code**********/
  6.                 // Set EXTC
  7.                 {0x39, 0, 0, 0, 0, 4,{0xB9,0xFF,0x83,0x94}},

  9.                 // Set Power  VSPR=VSNR=5.0  VGH=16V,VGL=-10V
  10.                 {0x39, 0, 0, 0, 0, 11,{0xB1,0x48,0x14,0x74,0x09,0x33,0x54,0x71,0x31,0x57,0x2F}},

  12.                 // Set MIPI
  13.                 {0x39, 0, 0, 0, 0, 7,{0xBA,0x63,0x03,0x68,0x6B,0xB2,0xC0}},

  15.                 // Set Display
  16.                 {0x39, 0, 0, 0, 0, 7,{0xB2,0x00,0x80,0x64,0x06,0x0E,0x2F}},

  18.                 // Set CYC
  19.                 {0x39, 0, 0, 0, 0, 22,{0xB4,0x01,0x78,0x01,0x78,0x01,0x78,0x01,0x0C,0x86,0x35,0x00,0x3F,0x1C,0x78,0x1C,0x78,0x1C,0x78,0x01,0x0C,0x86}},

  21.                 //Modified By GRG For Line Imagesticking
  22.                 {0x39, 0, 0, 0, 0, 22,{0xB4,0x01,0x70,0x01,0x70,0x01,0x70,0x01,0x05,0x86,0x35,0x00,0x3F,0x1C,0x70,0x01,0x70,0x01,0x70,0x01,0x05,0x86}},

  24.                 // Set D3H
  25.                 {0x39, 0, 0, 0, 0, 34,{0xD3,0x00,0x00,0x00,0x00,0x08,0x08,0x10,0x10,0x32,0x10,0x03,0x00,0x03,0x32,0x15,0x07,0x05,0x07,0x32,0x10,0x08,0x00,0x00,0x17,0x01,0x07,0x07,0x17,0x05,0x05,0x17,0x06,0x40}},

  27.                 // Set GIP
  28.                 {0x39, 0, 0, 0, 0, 45,{0xD5,0x18,0x18,0x18,0x18,0x26,0x27,0x24,0x25,0x06,0x07,0x04,0x05,0x02,0x03,0x00,0x01,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x20,0x21,0x22,0x23,0x18,0x18,0x18,0x18}},

  30.                 // Set GIP
  31.                 {0x39, 0, 0, 0, 0, 45,{0xD6,0x18,0x18,0x18,0x18,0x21,0x20,0x23,0x22,0x01,0x00,0x03,0x02,0x05,0x04,0x07,0x06,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x27,0x26,0x25,0x24,0x18,0x18,0x18,0x18}},

  33.                 // Set Gamma
  34.                 {0x39, 0, 0, 0, 0, 59,{0xE0,0x00,0x05,0x0B,0x11,0x12,0x16,0x19,0x17,0x30,0x40,0x50,0x4F,0x58,0x69,0x6F,0x71,0x7F,0x82,0x7E,0x8D,0x9E,0x4F,0x4F,0x53,0x58,0x5D,0x67,0x74,0x7F,0x00,0x05,0x0B,0x11,0x12,0x16,0x19,0x17,0x30,0x40,0x50,0x4F,0x58,0x69,0x6F,0x71,0x7F,0x82,0x7E,0x8D,0x9E,0x4F,0x4F,0x53,0x58,0x5D,0x67,0x74,0x7F}},

  36.                 // Set Panel
  37.                 {0x15, 0, 0, 0, 0, 2,{0xCC,0x0b}},

  39.                 // Set C0H
  40.                 {0x39, 0, 0, 0, 0, 3,{0xC0,0x1F,0x73}},

  42.                 // Set VCOM
  43.                 {0x39, 0, 0, 0, 0, 3,{0xB6,0x43,0x43}},

  45.                 // Set D4h
  46.                 {0x15, 0, 0, 0, 0, 2,{0xD4,0x02}},

  48.                 // Set BDH
  49.                 {0x15, 0, 0, 0, 0, 2,{0xBD,0x01}},

  51.                 {0x15, 0, 0, 0, 0, 2,{0x36,0x00}},

  53.                 // Set GAS
  54.                 {0x15, 0, 0, 0, 0, 2,{0xB1,0x00}},

  56.                 // Set BD
  57.                 {0x15, 0, 0, 0, 0, 2,{0xBD,0x00}},

  59.                 {0x15, 0, 0, 0, 0, 2,{0xC6,0xEF}},

  61.                 // Sleep Out
  62.                 {0x05, 0, 0, 0, 150, 1,{0x11}},

  64.                 // Display ON
  65.                 {0x05, 0, 0, 0, 50, 1,{0x29}},


  68. #endif



  72. ///////////////////////////////////////////////

  74. #define LCD_WIDTH           24           
  75. #define LCD_XSIZE           720         
  76. #define LCD_YSIZE           1280         

  78. #define VBPD                27
  79. #define VFPD                20
  80. #define VSPW                4
  81. #define HBPD                60
  82. #define HFPD                70
  83. #define HSPW                20
















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作者: nds_shenzhen    时间: 2017-6-13 20:41
麻烦知道的朋友 指点下 方向。



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