#ifndef _ARDUINO_ILI9806_H_
 #define _ARDUINO_ILI9806_H_
 
 #include <Arduino.h>
 #include <Print.h>
 #include "../Arduino_GFX.h"
 #include "../Arduino_TFT.h"
 
 #define ILI9806_TFTWIDTH 480  ///< ILI9806 max TFT width
 #define ILI9806_TFTHEIGHT 854 ///< ILI9806 max TFT height
 
 #define ILI9806_RST_DELAY 120    ///< delay ms wait for reset finish
 #define ILI9806_SLPIN_DELAY 120  ///< delay ms wait for sleep in finish
 #define ILI9806_SLPOUT_DELAY 120 ///< delay ms wait for sleep out finish
 
 #define ILI9806_NOP 0x00     ///< No-op register
 #define ILI9806_SWRESET 0x01 ///< Software reset register
 #define ILI9806_RDDID 0x04   ///< Read display identification information
 #define ILI9806_RDDST 0x09   ///< Read Display Status
 
 #define ILI9806_SLPIN 0x10  ///< Enter Sleep Mode
 #define ILI9806_SLPOUT 0x11 ///< Sleep Out
 #define ILI9806_PTLON 0x12  ///< Partial Mode ON
 #define ILI9806_NORON 0x13  ///< Normal Display Mode ON
 
 #define ILI9806_RDMODE 0x0A     ///< Read Display Power Mode
 #define ILI9806_RDMADCTL 0x0B   ///< Read Display MADCTL
 #define ILI9806_RDPIXFMT 0x0C   ///< Read Display Pixel Format
 #define ILI9806_RDIMGFMT 0x0D   ///< Read Display Image Format
 #define ILI9806_RDSELFDIAG 0x0F ///< Read Display Self-Diagnostic Result
 
 #define ILI9806_INVOFF 0x20   ///< Display Inversion OFF
 #define ILI9806_INVON 0x21    ///< Display Inversion ON
 #define ILI9806_GAMMASET 0x26 ///< Gamma Set
 #define ILI9806_DISPOFF 0x28  ///< Display OFF
 #define ILI9806_DISPON 0x29   ///< Display ON
 
 #define ILI9806_CASET 0x2A ///< Column Address Set
 #define ILI9806_PASET 0x2B ///< Page Address Set
 #define ILI9806_RAMWR 0x2C ///< Memory Write
 #define ILI9806_RAMRD 0x2E ///< Memory Read
 
 #define ILI9806_PTLAR 0x30    ///< Partial Area
 #define ILI9806_VSCRDEF 0x33  ///< Vertical Scrolling Definition
 #define ILI9806_MADCTL 0x36   ///< Memory Access Control
 #define ILI9806_VSCRSADD 0x37 ///< Vertical Scrolling Start Address
 #define ILI9806_PIXFMT 0x3A   ///< COLMOD: Pixel Format Set
 
 #define ILI9806_FRMCTR1 0xB1 ///< Frame Rate Control (In Normal Mode/Full Colors)
 #define ILI9806_FRMCTR2 0xB2 ///< Frame Rate Control (In Idle Mode/8 colors)
 #define ILI9806_FRMCTR3 0xB3 ///< Frame Rate control (In Partial Mode/Full Colors)
 #define ILI9806_INVCTR 0xB4  ///< Display Inversion Control
 #define ILI9806_DFUNCTR 0xB6 ///< Display Function Control
 
 #define ILI9806_PWCTR1 0xC0 ///< Power Control 1
 #define ILI9806_PWCTR2 0xC1 ///< Power Control 2
 #define ILI9806_PWCTR3 0xC2 ///< Power Control 3
 #define ILI9806_PWCTR4 0xC3 ///< Power Control 4
 #define ILI9806_PWCTR5 0xC4 ///< Power Control 5
 #define ILI9806_VMCTR1 0xC5 ///< VCOM Control 1
 #define ILI9806_VMCTR2 0xC7 ///< VCOM Control 2
 
 #define ILI9806_RDID1 0xDA ///< Read ID 1
 #define ILI9806_RDID2 0xDB ///< Read ID 2
 #define ILI9806_RDID3 0xDC ///< Read ID 3
 #define ILI9806_RDID4 0xDD ///< Read ID 4
 
 #define ILI9806_GMCTRP1 0xE0 ///< Positive Gamma Correction
 #define ILI9806_GMCTRN1 0xE1 ///< Negative Gamma Correction
 #define ILI9806_PWCTR6 0xFC
 
 #define ILI9806_MADCTL_MY 0x80  ///< Bottom to top
 #define ILI9806_MADCTL_MX 0x40  ///< Right to left
 #define ILI9806_MADCTL_MV 0x20  ///< Reverse Mode
 #define ILI9806_MADCTL_ML 0x10  ///< LCD refresh Bottom to top
 #define ILI9806_MADCTL_RGB 0x00 ///< Red-Green-Blue pixel order
 #define ILI9806_MADCTL_BGR 0x08 ///< Blue-Green-Red pixel order
 #define ILI9806_MADCTL_MH 0x04  ///< LCD refresh right to left
 
 static const uint8_t ili9806_init_operations[] = {
     BEGIN_WRITE,
     WRITE_COMMAND_8, 0xFF, // EXTC Command Set enable register
     WRITE_BYTES, 3, 0xFF, 0x98, 0x06,
 
     WRITE_C8_D8, 0xBA, 0x60, // SPI Interface Setting
 
     WRITE_COMMAND_8, 0xBC, // GIP 1
     WRITE_BYTES, 21,
     0x01, 0x10, 0x00, 0x00, 0x01,
     0x01, 0x0B, 0x11, 0x32, 0x10,
     0x00, 0x00, 0x01, 0x01, 0x01,
     0x01, 0x50, 0x52, 0x01, 0x00,
     0x40,
 
     WRITE_COMMAND_8, 0xBD, // GIP 2
     WRITE_BYTES, 8,
     0x01, 0x23, 0x45, 0x67, 0x01,
     0x23, 0x45, 0x67,
 
     WRITE_COMMAND_8, 0xBE, // GIP 3
     WRITE_BYTES, 9,
     0x00, 0x21, 0xAB, 0x60, 0x22,
     0x22, 0x22, 0x22, 0x22,
 
     WRITE_C8_D8, 0xC7, 0x30, // VCOM Control
 
     WRITE_COMMAND_8, 0xED, // EN_volt_reg
     WRITE_BYTES, 3, 0x7F, 0x0F, 0x00,
 
     WRITE_COMMAND_8, 0xC0,            // Power Control 1
     WRITE_BYTES, 3, 0x03, 0x0B, 0x0C, // 0A VGH VGL
 
     WRITE_COMMAND_8, 0xFD, // External Power Selection Set
     WRITE_BYTES, 2, 0x0A, 0x00,
 
     WRITE_C8_D8, 0xFC, 0x08, // LVGL
 
     WRITE_COMMAND_8, 0xDF, // Engineering Setting
     WRITE_BYTES, 6,
     0x00, 0x00, 0x00, 0x00, 0x00,
     0x20,
 
     WRITE_C8_D8, 0xF3, 0x74, // DVDD Voltage Setting
 
     WRITE_COMMAND_8, 0xB4, // Display Inversion Control
     WRITE_BYTES, 3, 0x00, 0x00, 0x00,
 
     WRITE_COMMAND_8, 0xB5, // Blanking Porch Control
     WRITE_BYTES, 2, 0x08, 0x15,
 
     WRITE_C8_D8, 0xF7, 0x81, // 480x854
 
     WRITE_COMMAND_8, 0xB1, // Frame Rate Control
     WRITE_BYTES, 3, 0x00, 0x13, 0x13,
 
     WRITE_COMMAND_8, 0xF2, // Panel Timing Control
     WRITE_BYTES, 4, 0x80, 0x04, 0x40, 0x28,
 
     WRITE_COMMAND_8, 0xC1, // Power Control 2
     WRITE_BYTES, 3,
     0x17,
     0x71, // VGMP
     0x71, // VGMN
 
     WRITE_COMMAND_8, 0xE0, // P_Gamma
     WRITE_BYTES, 16,
     0x00, // P1
     0x13, // P2
     0x1A, // P3
     0x0C, // P4
     0x0E, // P5
     0x0B, // P6
     0x07, // P7
     0x05, // P8
     0x05, // P9
     0x0A, // P10
     0x0F, // P11
     0x0F, // P12
     0x0E, // P13
     0x1C, // P14
     0x16, // P15
     0x00, // P16
 
     WRITE_COMMAND_8, 0xE1, // N_Gamma
     WRITE_BYTES, 16,
     0x00, // P1
     0x13, // P2
     0x1A, // P3
     0x0C, // P4
     0x0E, // P5
     0x0B, // P6
     0x07, // P7
     0x05, // P8
     0x05, // P9
     0x0A, // P10
     0x0F, // P11
     0x0F, // P12
     0x0E, // P13
     0x1C, // P14
     0x16, // P15
     0x00, // P16
 
     WRITE_C8_D8, 0x3A, 0x55, // 55-16BIT,66-18BIT,77-24BIT
 
     WRITE_COMMAND_8, 0x11,
     END_WRITE,
 
     DELAY, ILI9806_SLPOUT_DELAY,
 
     BEGIN_WRITE,
     WRITE_COMMAND_8, 0x29,
     END_WRITE,
 
     DELAY, 25,
 
     BEGIN_WRITE,
     WRITE_COMMAND_8, 0x2C,
     END_WRITE};
 
 class Arduino_ILI9806 : public Arduino_TFT
 {
 public:
   Arduino_ILI9806(Arduino_DataBus *bus, int8_t rst = GFX_NOT_DEFINED, uint8_t r = 0, bool ips = false);
 
   bool begin(int32_t speed = GFX_NOT_DEFINED) override;
 
   void setRotation(uint8_t r) override;
 
   void writeAddrWindow(int16_t x, int16_t y, uint16_t w, uint16_t h) override;
 
   void invertDisplay(bool) override;
   void displayOn() override;
   void displayOff() override;
 
 protected:
   void tftInit() override;
 
 private:
 };
 
 #endif

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