195 lines
8.4 KiB
C++
195 lines
8.4 KiB
C++
#ifndef __ili9341_H
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#define __ili9341_H
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#include <f4ll_cpp/strangeton.h>
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#include <f4ll_cpp/dmahelper.h>
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#include <inttypes.h>
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namespace f4ll_cpp {
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class Ili9341Fsmc : public Strangeton<Ili9341Fsmc>, private DmaHelper
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{
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public:
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struct PixelPair {
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uint8_t g0, r0, r1, b0, b1, g1;
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};
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Ili9341Fsmc(volatile uint16_t *reg, volatile uint16_t *ram,
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DMA_TypeDef *dma, uint32_t dmaStream,
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bool horizontal = true);
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void SetScrollMode(bool on);
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void FillRect(uint16_t color, bool async = true);
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void FillRect(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color, bool async = true);
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uint16_t Width() { return m_width; }
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uint16_t Height() { return m_height; }
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uint8_t ChrHeight() { return CHRHEIGHT; }
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uint8_t ChrWidth() { return CHRWIDTH; }
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void SetCursor(uint16_t x, uint16_t y, uint16_t fgColor, uint16_t bgColor);
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void SetCursor(uint16_t x, uint16_t y);
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void PrintChar(char c, uint16_t x, uint16_t y, uint16_t fgColor, uint16_t bgColor);
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void PrintChar(char c, bool transparent = false);
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void Print(char const *str, uint8_t len = 0, bool transparent = false);
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inline void WaitDmaIdle() { while(m_dmaEngineBusy); }
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void Test();
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static void HandleDmaIrq(Ili9341Fsmc *obj) { obj->HandleDmaIrq(); }
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private:
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inline void WriteCmd(uint16_t cmd) { *m_reg = cmd; }
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inline void WriteCmd(uint16_t cmd, uint16_t param) { *m_reg = cmd; *m_ram = param; }
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void WriteCmd(uint16_t cmd, std::initializer_list<const uint16_t> params);
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void WriteCmd_(uint16_t cmd, uint16_t cnt, ...);
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void SetRect(uint16_t x, uint16_t y, uint16_t width, uint16_t height);
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void WritePixels(void *src, uint32_t count, bool increment, bool async = true);
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void ReadGRam(PixelPair *dst, uint32_t count, bool async = true);
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void ReadPixels(uint16_t *dst, uint32_t count);
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void SetScrollOffset();
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volatile uint16_t * const m_reg;
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volatile uint16_t * const m_ram;
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void HandleDmaIrq();
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void SetupDmaSize(uint32_t size);
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uint16_t AdjustY(uint16_t y) { return (m_scrollOffset + y) % m_height; }
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void Delay(uint32_t ms);
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volatile bool m_dmaEngineBusy = false;
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uint32_t m_dmaRemainingPixels = 0;
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uint16_t m_dmaColor = 0;
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// initialized in the constructor
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uint16_t const m_width;
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uint16_t const m_height;
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uint16_t m_rectX;
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uint16_t m_rectY;
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uint16_t m_rectWidth;
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uint16_t m_rectHeight;
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bool m_scrollMode = false;
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uint16_t m_scrollOffset = 0;
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uint16_t m_xPos = 0;
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uint16_t m_yPos = 0;
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uint16_t m_fgColor = ILI9341_WHITE;
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uint16_t m_bgColor = ILI9341_BLACK;
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enum Commands {
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ILI9341_NOP = 0x00,
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ILI9341_RESET = 0x01,
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ILI9341_READ_DISPLAY_IDENTIFICATION_INFORMATION = 0x04,
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ILI9341_READ_DISPLAY_STATUS = 0x09,
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ILI9341_READ_DISPLAY_POWER_MODE = 0x0A,
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ILI9341_READ_DISPLAY_MADCTL = 0x0B,
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ILI9341_READ_DISPLAY_PIXEL_FORMAT = 0x0C,
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ILI9341_READ_DISPLAY_IMAGE_FORMAT = 0x0D,
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ILI9341_READ_DISPLAY_SIGNAL_MODE = 0x0E,
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ILI9341_READ_DISPLAY_SELF_DIAGNOSTIC_RESULT = 0x0F,
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ILI9341_ENTER_SLEEP_MODE = 0x10,
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ILI9341_SLEEP_OUT = 0x11,
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ILI9341_PARTIAL_MODE_ON = 0x12,
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ILI9341_NORMAL_DISPLAY_MODE_ON = 0x13,
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ILI9341_DISPLAY_INVERSION_OFF = 0x20,
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ILI9341_DISPLAY_INVERSION_ON = 0x21,
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ILI9341_GAMMA = 0x26,
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ILI9341_DISPLAY_OFF = 0x28,
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ILI9341_DISPLAY_ON = 0x29,
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ILI9341_COLUMN_ADDR = 0x2A,
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ILI9341_PAGE_ADDR = 0x2B,
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ILI9341_GRAM = 0x2C,
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ILI9341_COLOR_SET = 0x2D,
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ILI9341_MEMORY_READ = 0x2E,
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ILI9341_PARTIAL_AREA = 0x30,
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ILI9341_VERTICAL_SCROLLING_DEFINITION = 0x33,
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ILI9341_TEARING_EFFECT_LINE_OFF = 0x34,
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ILI9341_TEARING_EFFECT_LINE_ON = 0x35,
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ILI9341_MAC = 0x36,
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ILI9341_VERTICAL_SCROLLING_START_ADDRESS = 0x37,
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ILI9341_IDLE_MODE_OFF = 0x38,
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ILI9341_IDLE_MODE_ON = 0x39,
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ILI9341_PIXEL_FORMAT = 0x3A,
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ILI9341_WMC = 0x3C,
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ILI9341_RMC = 0x3E,
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ILI9341_SET_TEAR_SCANLINE = 0x44,
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ILI9341_WDB = 0x51,
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ILI9341_READ_DISPLAY_BRIGHTNESS = 0x52,
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ILI9341_WCD = 0x53,
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ILI9341_READ_CTRL_DISPLAY = 0x54,
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ILI9341_WCABC = 0x55,
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ILI9341_RCABC = 0x56,
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ILI9341_WCABCMB = 0x5E,
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ILI9341_RCABCMB = 0x5F,
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ILI9341_RGB_INTERFACE = 0xB0,
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ILI9341_FRC = 0xB1,
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ILI9341_FRAME_CTRL_NM = 0xB2,
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ILI9341_FRAME_CTRL_IM = 0xB3,
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ILI9341_FRAME_CTRL_PM = 0xB4,
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ILI9341_BPC = 0xB5,
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ILI9341_DFC = 0xB6,
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ILI9341_ENTRY_MODE_SET = 0xB7,
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ILI9341_BACKLIGHT_CONTROL_1 = 0xB8,
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ILI9341_BACKLIGHT_CONTROL_2 = 0xB9,
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ILI9341_BACKLIGHT_CONTROL_3 = 0xBA,
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ILI9341_BACKLIGHT_CONTROL_4 = 0xBB,
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ILI9341_BACKLIGHT_CONTROL_5 = 0xBC,
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ILI9341_BACKLIGHT_CONTROL_6 = 0xBD,
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ILI9341_BACKLIGHT_CONTROL_7 = 0xBE,
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ILI9341_BACKLIGHT_CONTROL_8 = 0xBF,
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ILI9341_POWER1 = 0xC0,
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ILI9341_POWER2 = 0xC1,
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ILI9341_VCOM1 = 0xC5,
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ILI9341_VCOM2 = 0xC7,
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ILI9341_POWERA = 0xCB,
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ILI9341_POWERB = 0xCF,
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ILI9341_READ_ID1 = 0xDA,
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ILI9341_READ_ID2 = 0xDB,
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ILI9341_READ_ID3 = 0xDC,
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ILI9341_READ_ID4 = 0xD3,
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ILI9341_PGAMMA = 0xE0,
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ILI9341_NGAMMA = 0xE1,
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ILI9341_DTCA = 0xE8,
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ILI9341_DTCB = 0xEA,
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ILI9341_POWER_SEQ = 0xED,
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ILI9341_3GAMMA_EN = 0xF2,
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ILI9341_INTERFACE = 0xF6,
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ILI9341_PRC = 0xF7,
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};
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static const uint8_t CHRHEIGHT = 8; // SHOULD BE 8
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static const uint8_t CHRWIDTH = 6;
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static const uint8_t CHRCOUNT = 96;
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static const uint8_t m_font[CHRCOUNT][CHRWIDTH];
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uint16_t m_fontBkgBuffer[CHRHEIGHT][CHRWIDTH];
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public:
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enum Colors {
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ILI9341_BLACK = 0x0000, /* 0, 0, 0 */
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ILI9341_NAVY = 0x000F, /* 0, 0, 128 */
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ILI9341_DARKGREEN = 0x03E0, /* 0, 128, 0 */
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ILI9341_DARKCYAN = 0x03EF, /* 0, 128, 128 */
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ILI9341_MAROON = 0x7800, /* 128, 0, 0 */
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ILI9341_PURPLE = 0x780F, /* 128, 0, 128 */
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ILI9341_OLIVE = 0x7BE0, /* 128, 128, 0 */
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ILI9341_LIGHTGREY = 0xC618, /* 192, 192, 192 */
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ILI9341_DARKGREY = 0x7BEF, /* 128, 128, 128 */
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ILI9341_BLUE = 0x001F, /* 0, 0, 255 */
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ILI9341_GREEN = 0x07E0, /* 0, 255, 0 */
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ILI9341_CYAN = 0x07FF, /* 0, 255, 255 */
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ILI9341_RED = 0xF800, /* 255, 0, 0 */
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ILI9341_MAGENTA = 0xF81F, /* 255, 0, 255 */
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ILI9341_YELLOW = 0xFFE0, /* 255, 255, 0 */
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ILI9341_WHITE = 0xFFFF, /* 255, 255, 255 */
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ILI9341_ORANGE = 0xFD20, /* 255, 165, 0 */
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ILI9341_GREENYELLOW = 0xAFE5, /* 173, 255, 47 */
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ILI9341_PINK = 0xF81F,
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};
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};
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} // f4ll_cpp
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#endif
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