ST7735_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 ST7735_TFT : public color16_graphics
{
 
public:
 
    ST7735_TFT();
    ~ST7735_TFT(){};
 
    //  Enums
 
    enum TFT_modes_e : uint8_t
    {
        TFT_Normal_mode = 0,  
        TFT_Partial_mode,  
        TFT_Idle_mode, 
        TFT_Sleep_mode, 
        TFT_Invert_mode, 
        TFT_Display_on_mode,  
        TFT_Display_off_mode 
    };
 
 
    enum TFT_PCBtype_e: uint8_t
    {
        TFT_ST7735R_Red = 0, 
        TFT_ST7735R_Green,   
        TFT_ST7735S_Black,   
        TFT_ST7735B,         
    };
 
    TFT_modes_e TFT_mode;                    
    display_rotate_e displayRotate = Degrees_0; 
    TFT_PCBtype_e TFT_PCBtype;               
    // 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 TFTInitPCBType(TFT_PCBtype_e pcbType, uint16_t CommDelay, int gpioDev); // SW SPI
    rdlib::Return_Codes_e TFTInitPCBType(TFT_PCBtype_e pcbType, 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);
    rdlib::Return_Codes_e TFTResetPin(void);
    // Screen related
    void TFTsetRotation(display_rotate_e r);
    void TFTchangeInvertMode(bool invertModeOn);
    void TFTchangeMode(TFT_modes_e m);
    void TFTsetScrollDefinition(uint8_t th, uint8_t tb, bool sd);
    void TFTVerticalScroll(uint8_t vsp);
 
private:
    rdlib::Return_Codes_e TFTST7735BInitialize(void);
    rdlib::Return_Codes_e TFTGreenTabInitialize(void);
    rdlib::Return_Codes_e TFTBlackTabInitialize(void);
    rdlib::Return_Codes_e TFTRedTabInitialize(void);
    rdlib::Return_Codes_e TFTSPIInit(void);
    rdlib::Return_Codes_e TFTDataCommandPin(void);
    rdlib::Return_Codes_e TFTClock_Data_ChipSelect_Pins(void);
    
    void Rcmd1(void);
    void Rcmd2red(void);
    void Rcmd3(void);
    void Bcmd(void);
    void Rcmd2green(void);
 
    //screen 
    uint8_t _colstart;        
    uint8_t _rowstart;        
    uint16_t _widthStartTFT; 
    uint16_t _heightStartTFT; 
    //SPI
    int _spiDev = 0;      
    int _spiChan = 0;     
    int _spiBaud = 50000; 
    int _spiFlags = 0;    
    // ST7735 registers + Commands
    // ST7735 general purpose
    static constexpr uint8_t ST7735_NOP    = 0x00 ; 
    static constexpr uint8_t ST7735_SWRESET= 0x01 ; 
    static constexpr uint8_t ST7735_RDDID  = 0x04 ; 
    static constexpr uint8_t ST7735_RDDST  = 0x09 ; 
    // ST7735 Modes
    static constexpr uint8_t ST7735_SLPIN  = 0x10 ; 
    static constexpr uint8_t ST7735_SLPOUT = 0x11 ; 
    static constexpr uint8_t ST7735_PTLON  = 0x12 ; 
    static constexpr uint8_t ST7735_NORON  = 0x13 ; 
    static constexpr uint8_t ST7735_INVOFF = 0x20 ; 
    static constexpr uint8_t ST7735_INVON  = 0x21 ; 
    static constexpr uint8_t ST7735_DISPOFF= 0x28 ; 
    static constexpr uint8_t ST7735_DISPON = 0x29 ; 
    static constexpr uint8_t ST7735_TFT_Idle_modeON= 0x39 ; 
    static constexpr uint8_t ST7735_TFT_Idle_modeOF = 0x38 ; 
    // ST7735 Addressing
    static constexpr uint8_t ST7735_CASET  = 0x2A ; 
    static constexpr uint8_t ST7735_RASET  = 0x2B ; 
    static constexpr uint8_t ST7735_RAMWR  = 0x2C ; 
    static constexpr uint8_t ST7735_RAMRD  = 0x2E ; 
    static constexpr uint8_t ST7735_PTLAR  = 0x30 ; 
    static constexpr uint8_t ST7735_VSCRDEF= 0x33 ; 
    static constexpr uint8_t ST7735_COLMOD = 0x3A ; 
    static constexpr uint8_t ST7735_MADCTL = 0x36 ; 
    static constexpr uint8_t ST7735_VSCRSADD= 0x37 ; 
    // Frame Rate Control
    static constexpr uint8_t ST7735_FRMCTR1= 0xB1 ; 
    static constexpr uint8_t ST7735_FRMCTR2= 0xB2 ; 
    static constexpr uint8_t ST7735_FRMCTR3= 0xB3 ; 
    static constexpr uint8_t ST7735_INVCTR = 0xB4 ; 
    static constexpr uint8_t ST7735_DISSET5= 0xB6 ; 
    // ST7735 Power_Control
    static constexpr uint8_t ST7735_PWCTR1 = 0xC0 ; 
    static constexpr uint8_t ST7735_PWCTR2 = 0xC1 ; 
    static constexpr uint8_t ST7735_PWCTR3 = 0xC2 ; 
    static constexpr uint8_t ST7735_PWCTR4 = 0xC3 ; 
    static constexpr uint8_t ST7735_PWCTR5 = 0xC4 ; 
    static constexpr uint8_t ST7735_PWCTR6 = 0xFC ; 
    static constexpr uint8_t ST7735_VMCTR1 = 0xC5 ; 
    static constexpr uint8_t ST7735_RDID1  = 0xDA ; 
    static constexpr uint8_t ST7735_RDID2  = 0xDB ; 
    static constexpr uint8_t ST7735_RDID3  = 0xDC ; 
    static constexpr uint8_t ST7735_RDID4  = 0xDD ; 
    // ST7735 color control
    static constexpr uint8_t ST7735_GMCTRP1= 0xE0 ; 
    static constexpr uint8_t ST7735_GMCTRN1= 0xE1 ; 
    // Memory Access Data Control  Register
    static constexpr uint8_t ST7735_MADCTL_MY= 0x80 ; 
    static constexpr uint8_t ST7735_MADCTL_MX= 0x40 ; 
    static constexpr uint8_t ST7735_MADCTL_MV= 0x20 ; 
    static constexpr uint8_t ST7735_MADCTL_ML= 0x10 ; 
    static constexpr uint8_t ST7735_MADCTL_RGB= 0x00 ; 
    static constexpr uint8_t ST7735_MADCTL_BGR= 0x08 ; 
    static constexpr uint8_t ST7735_MADCTL_MH= 0x04  ; 
}; //end of ST7735_TFT  class
 
// ********************** EOF *********************