STM32F429驱动gt911电容屏（5寸）

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楼主

白鹭hu|

楼主 | 2018-7-5 19:04 | 只看该作者回帖奖励

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电容屏, STM32F429, GT911, 电容触摸屏, 触摸

请教！！！用的gt911电容触摸屏（5寸），分辨率800*480，读出的x轴坐标范围为260到800，y轴坐标范围为100到480。为什么XY坐标不是从0开始？？可能出现的问题在哪？？下面贴出我的配置表：

const u8 GT911_CFG_TBL[]=
{
  0x68,0x20,0x03,0xe0,0x01,0x05,0x3D,0x00,0x01,0x48,
  0x28,0x0D,0x50,0x32,0x03,0x05,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x18,0x1A,0x1E,0x14,0x8A,0x2A,0x0C,
  0x30,0x38,0x31,0x0D,0x00,0x00,0x02,0xB9,0x03,0x2D,
  0x00,0x00,0x00,0x00,0x00,0x03,0x64,0x32,0x00,0x00,
  0x00,0x1D,0x41,0x94,0xC5,0x02,0x07,0x00,0x00,0x04,
  0xA5,0x1F,0x00,0x94,0x25,0x00,0x88,0x2B,0x00,0x7D,
  0x33,0x00,0x74,0x3C,0x00,0x74,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x18,0x16,0x14,0x12,0x10,0x0E,0x0C,0x0A,
  0x08,0x06,0x04,0x02,0xFF,0xFF,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x24,0x22,0x21,0x20,0x1F,0x1E,0x1D,0x1C,
  0x18,0x16,0x13,0x12,0x10,0x0F,0x0A,0x08,0x06,0x04,
  0x02,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,

};

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