GC9D01_TFT_LCD_RDL.hpp

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#pragma once
 
// Section Libraries
#include <cstdint>
#include <cstdbool>
#include <cstring>
#include <lgpio.h>
#include "color16_graphics_RDL.hpp"
 
class GC9D01_TFT : public color16_graphics
{
 
public:
 
    GC9D01_TFT();
    ~GC9D01_TFT(){};
 
    //  Enums
    enum class PowerState_e : uint8_t{
        NormalIdleOff,      
        NormalIdleOn,       
        PartialIdleOff,     
        PartialIdleOn,      
        SleepNormalIdleOff, 
        SleepNormalIdleOn,  
        SleepPartialIdleOff,
        SleepPartialIdleOn  
    };
    enum class Resolution_e : uint8_t
    {
        RGB160x160_DualGate,  
        RGB120x160_DualGate,  
        RGB80x160_SingleGate, 
        RGB60x160_SingleGate, 
        RGB50x160_SingleGate, 
        RGB40x160_SingleGate  
    };
 
    display_rotate_e displayRotate = Degrees_0; 
    // Functions
    // From graphics virtual
    virtual void setAddrWindow(uint16_t, uint16_t, uint16_t, uint16_t) override;
    //Setup related
    void TFTSetupGPIO(int8_t, int8_t, int8_t, int8_t, int8_t); //SW SPI
    void TFTSetupGPIO(int8_t, int8_t); // HW SPI
    void TFTInitScreenSize(uint16_t w = 160, uint16_t h = 160, 
        Resolution_e r = Resolution_e::RGB160x160_DualGate);
    void TFTInitOffsets(uint16_t XLstart = 0, uint16_t YLstart = 0, uint16_t XPstart= 0, uint16_t YPstart = 0);
    rdlib::Return_Codes_e TFTInitSPI(uint16_t CommDelay, int gpioDev ); // SW SPI
    rdlib::Return_Codes_e TFTInitSPI(int device, int channel, int speed, int flags, int gpioDev); // HW SPI
    rdlib::Return_Codes_e  TFTPowerDown(void);
    uint16_t HighFreqDelayGet(void);
    void HighFreqDelaySet(uint16_t);
    rdlib::Return_Codes_e TFTResetPin(void);
 
    // Screen related
    void TFTsetRotation(display_rotate_e r);
    void TFTchangeInvertMode(bool m);
    void TFTsetPowerMode(PowerState_e m);
    void TFTenableDisplay(bool m);
    void TFTsetBrightness(uint8_t level);
    void TFTsetScrollArea(uint16_t topFixed, uint16_t scrollArea, uint16_t bottomFixed);
    void TFTsetScrollStart(uint16_t vsp);
    void TFTScrollModeLeave(void);
 
private:
 
    rdlib::Return_Codes_e TFTDataCommandPin(void);
    rdlib::Return_Codes_e TFTClock_Data_ChipSelect_Pins(void);
    void TFTSetupResetPin(int8_t rst);
    rdlib::Return_Codes_e TFTGC9D01Initialize(void);
    void TFTinitByResolution(void);
    void DualGatecmdInitSequence(void); // default
    void DualGatecmdInitSequence120x160(void);
    void SingleGatecmdInitSequence40x160(void);
    void SingleGatecmdInitSequence50x160(void);
    void SingleGatecmdInitSequence60x160(void);
    void SingleGatecmdInitSequence80x160(void);
 
    // Display
    PowerState_e _currentPowerState = PowerState_e::NormalIdleOff; 
    Resolution_e  _currentResolution = Resolution_e::RGB160x160_DualGate ; 
    bool _displayOn = false; 
    const uint16_t _sleepDelay = 120; 
    // Screen
    uint16_t _widthStartTFT =  160; 
    uint16_t _heightStartTFT = 160; 
    // Screen Offsets
    uint16_t _GC9D01_X_Portrait  = 0;  
    uint16_t _GC9D01_Y_Portrait  = 0;  
    uint16_t _GC9D01_X_Landscape = 0;  
    uint16_t _GC9D01_Y_Landscape = 0;  
    uint16_t _GC9D01_X_Offset    = 0;  
    uint16_t _GC9D01_Y_Offset    = 0;  
    // SPI related
    int _spiDev = 0;       
    int _spiChan = 0;     
    int _spiBaud = 50000; 
    int _spiFlags = 0;    
    bool _resetPinOn = true; 
    // GC9D01 registers + Commands
    struct MADCTL_FLAGS_t
    {
        static constexpr uint8_t MY = 0x80; 
        static constexpr uint8_t MX = 0x40; 
        static constexpr uint8_t MV = 0x20; 
        static constexpr uint8_t ML = 0x10; 
        static constexpr uint8_t RGB = 0x00; 
        static constexpr uint8_t BGR = 0x08; 
        static constexpr uint8_t MH = 0x04; 
    };
 
    // GC9D01 registers + Commands
    static constexpr uint8_t GC9D01_SWRESET = 0x01; 
    static constexpr uint8_t GC9D01_RDDID = 0x04; 
    static constexpr uint8_t GC9D01_RDDST = 0x09; 
    static constexpr uint8_t GC9D01_SLPIN = 0x10; 
    static constexpr uint8_t GC9D01_SLPOUT = 0x11; 
    static constexpr uint8_t GC9D01_PTLON = 0x12; 
    static constexpr uint8_t GC9D01_NORON = 0x13; 
    static constexpr uint8_t GC9D01_DISPOFF = 0x28; 
    static constexpr uint8_t GC9D01_DISPON = 0x29; 
    static constexpr uint8_t GC9D01_IDLEOFF = 0x38; 
    static constexpr uint8_t GC9D01_IDLEON = 0x39; 
    static constexpr uint8_t GC9D01_INVOFF = 0x20; 
    static constexpr uint8_t GC9D01_INVON = 0x21; 
    static constexpr uint8_t GC9D01_CASET = 0x2A; 
    static constexpr uint8_t GC9D01_RASET = 0x2B; 
    static constexpr uint8_t GC9D01_RAMWR = 0x2C; 
    static constexpr uint8_t GC9D01_PTLAR = 0x30; 
    static constexpr uint8_t GC9D01_VSCRDEF = 0x33; 
    static constexpr uint8_t GC9D01_TEOFF = 0x34; 
    static constexpr uint8_t GC9D01_TEON = 0x35; 
    static constexpr uint8_t GC9D01_MADCTL = 0x36; 
    static constexpr uint8_t GC9D01_VSCRSADD = 0x37; 
    static constexpr uint8_t GC9D01_COLMOD = 0x3A; 
    static constexpr uint8_t GC9D01_CONTINUE = 0x3C; 
    static constexpr uint8_t GC9D01_TEARSET = 0x44; 
    static constexpr uint8_t GC9D01_GETLINE = 0x45; 
    static constexpr uint8_t GC9D01_SETBRIGHT = 0x51; 
    static constexpr uint8_t GC9D01_SETCTRL = 0x53; 
    static constexpr uint8_t GC9D01_RGB_CTRL = 0xB0; 
    static constexpr uint8_t GC9D01_TEWC = 0xB4; 
    static constexpr uint8_t GC9D01_BLANK_PORCH_CTRL = 0xB5; 
    static constexpr uint8_t GC9D01_FUNCTION_CTRL = 0xB6; 
    static constexpr uint8_t GC9D01_DUAL_SINGLE = 0xBF; 
    static constexpr uint8_t GC9D01_POWER_CTRL  = 0xC1; 
    static constexpr uint8_t GC9D01_VREG1A_CTRL = 0xC3; 
    static constexpr uint8_t GC9D01_VREG1B_CTRL = 0xC4; 
    static constexpr uint8_t GC9D01_VREG2A_CTRL = 0xC9; 
    static constexpr uint8_t GC9D01_RDID1 = 0xDA; 
    static constexpr uint8_t GC9D01_RDID2 = 0xDB; 
    static constexpr uint8_t GC9D01_RDID3 = 0xDC; 
    static constexpr uint8_t GC9D01_GAMMA1 = 0xF0; 
    static constexpr uint8_t GC9D01_GAMMA2 = 0xF1; 
    static constexpr uint8_t GC9D01_GAMMA3 = 0xF2; 
    static constexpr uint8_t GC9D01_GAMMA4 = 0xF3; 
    static constexpr uint8_t GC9D01_SPI2DATA    = 0xB1; 
    static constexpr uint8_t GC9D01_INVERSION   = 0xEC; 
    static constexpr uint8_t GC9D01_IFACE  = 0xF6; 
    static constexpr uint8_t GC9D01_INREGEN1 = 0xFE; 
    static constexpr uint8_t GC9D01_INREGEN2    = 0xEF; 
}; //end of GC9D01_TFT  class
 
// ********************** EOF *********************