ST7789_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 ST7789_TFT : public color16_graphics
{
 
public:
 
    ST7789_TFT();
    ~ST7789_TFT(){};
 
    //  Enum
 
    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(uint8_t xOffset, uint8_t yOffset, uint16_t w, uint16_t h);
    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
 
    // SPI related
    uint16_t HighFreqDelayGet(void);
    void HighFreqDelaySet(uint16_t);
    rdlib::Return_Codes_e  TFTPowerDown(void);
    // Screen related
    void TFTsetRotation(display_rotate_e r);
    void TFTchangeInvertMode(bool m);
    void TFTpartialDisplay(bool m);
    void TFTenableDisplay(bool m);
    void TFTidleDisplay(bool m);
    void TFTsleepDisplay(bool m);
    void TFTNormalMode(void);
    void TFTsetScrollDefinition(uint16_t th, uint16_t tb, bool sd);
    void TFTVerticalScroll(uint16_t vsp);
    rdlib::Return_Codes_e TFTResetPin(void);
    void TFTsoftwareReset(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 TFTST7789Initialize(void);
    void cmd89(void);
    void AdjustWidthHeight(void);
 
    // Screen
    uint8_t _colstart = 0;          
    uint8_t _rowstart = 0;          
    uint8_t _colstart2 = 0;         
    uint8_t _rowstart2 = 0;         
    uint16_t _widthStartTFT = 240;  
    uint16_t _heightStartTFT = 320; 
    // SPI related
    int _spiDev = 0;       
    int _spiChan = 0;     
    int _spiBaud = 50000; 
    int _spiFlags = 0;    
    bool _resetPinOn = true; 
    // ST7789 registers + Commands
 
    // ST7789 general purpose
    static constexpr uint8_t ST7789_NOP     = 0x00; 
    static constexpr uint8_t ST7789_SWRESET = 0x01; 
    // ST7789 Modes
    static constexpr uint8_t ST7789_SLPIN    = 0x10; 
    static constexpr uint8_t ST7789_SLPOUT   = 0x11; 
    static constexpr uint8_t ST7789_PTLON    = 0x12; 
    static constexpr uint8_t ST7789_NORON    = 0x13; 
    static constexpr uint8_t ST7789_INVOFF   = 0x20; 
    static constexpr uint8_t ST7789_INVON    = 0x21; 
    static constexpr uint8_t ST7789_DISPOFF  = 0x28; 
    static constexpr uint8_t ST7789_DISPON   = 0x29; 
    static constexpr uint8_t ST7789_IDLE_ON  = 0x39; 
    static constexpr uint8_t ST7789_IDLE_OFF = 0x38; 
    // ST7789 Addressing
    static constexpr uint8_t ST7789_CASET    = 0x2A; 
    static constexpr uint8_t ST7789_RASET    = 0x2B; 
    static constexpr uint8_t ST7789_RAMWR    = 0x2C; 
    static constexpr uint8_t ST7789_RAMRD    = 0x2E; 
    static constexpr uint8_t ST7789_PTLAR    = 0x30; 
    static constexpr uint8_t ST7789_VSCRDEF  = 0x33; 
    static constexpr uint8_t ST7789_SRLBTT   = 0x28; 
    static constexpr uint8_t ST7789_SRLTTB   = 0x30; 
    static constexpr uint8_t ST7789_COLMOD   = 0x3A; 
    static constexpr uint8_t ST7789_MADCTL   = 0x36; 
    static constexpr uint8_t ST7789_VSCRSADD = 0x37; 
    // Frame Rate Control
    static constexpr uint8_t ST7789_FRMCTR1 = 0xB1; 
    static constexpr uint8_t ST7789_FRMCTR2 = 0xB2; 
    static constexpr uint8_t ST7789_FRMCTR3 = 0xB3; 
    static constexpr uint8_t ST7789_INVCTR  = 0xB4; 
    static constexpr uint8_t ST7789_DISSET5 = 0xB6; 
    static constexpr uint8_t ST7789_RDID1   = 0xDA; 
    static constexpr uint8_t ST7789_RDID2   = 0xDB; 
    static constexpr uint8_t ST7789_RDID3   = 0xDC; 
    static constexpr uint8_t ST7789_RDID4   = 0xDD; 
    // ST7789 color control
    static constexpr uint8_t ST7789_GMCTRP1 = 0xE0; 
    static constexpr uint8_t ST7789_GMCTRN1 = 0xE1; 
    // Memory Access Data Control  Register
    static constexpr uint8_t ST7789_MADCTL_MY  = 0x80; 
    static constexpr uint8_t ST7789_MADCTL_MX  = 0x40; 
    static constexpr uint8_t ST7789_MADCTL_MV  = 0x20; 
    static constexpr uint8_t ST7789_MADCTL_ML  = 0x10; 
    static constexpr uint8_t ST7789_MADCTL_RGB = 0x00; 
    static constexpr uint8_t ST7789_MADCTL_BGR = 0x08; 
    static constexpr uint8_t ST7789_MADCTL_MH  = 0x04; 
}; //end of ST7789_TFT  class
 
// ********************** EOF *********************