NOKIA_5110_LCD_RDL.hpp

Go to the documentation of this file.

 
#pragma once
 
// libraries 
#include <cstdint>
#include <cstdbool>
#include <cstdio>
#include <lgpio.h>
#include "bicolor_graphics_RDL.hpp"
 
// Classes
 
class NOKIA_5110_RPI : public bicolor_graphics 
{
 
public:
 
    // SW SPI 
    NOKIA_5110_RPI(int16_t lcdwidth, int16_t lcdheight, uint8_t LCD_RST, uint8_t LCD_DC, uint8_t LCD_CE, int8_t LCD_DIN, int8_t LCD_CLK);
    //HW SPI 
    NOKIA_5110_RPI(int16_t lcdwidth, int16_t lcdheight, uint8_t LCD_RST, uint8_t LCD_DC);
    ~NOKIA_5110_RPI(){};
 
    // SW SPI 
    rdlib::Return_Codes_e LCDBegin(bool Inverse, uint8_t Contrast,uint8_t Bias, int gpioDev);
    // HW SPI
    rdlib::Return_Codes_e LCDBegin(bool Inverse, uint8_t Contrast,uint8_t Bias, int device, int channel, int speed, int flags, int gpioDev);
    void LCDenableSleep(void);
    void LCDdisableSleep(void);
    bool LCDIsSleeping(void);
    rdlib::Return_Codes_e LCDSPIoff(void);
    void LCDPowerDown(void);
    uint16_t LCDHighFreqDelayGet(void);
    void LCDHighFreqDelaySet(uint16_t);
    bool isHardwareSPI(void);
 
    rdlib::Return_Codes_e LCDSetBufferPtr(std::span<uint8_t> buffer);
    rdlib::Return_Codes_e LCDupdate(void);
    rdlib::Return_Codes_e LCDclearBuffer(uint8_t pattern = 0x00);
    void LCDfillScreen(uint8_t pattern = 0x00);
    virtual void drawPixel(int16_t x, int16_t y, uint8_t color) override;
 
    void LCDSetContrast(uint8_t con);
    void LCDinvertDisplay(bool inv);
 
private:
 
    void LCDBuffer(std::span<uint8_t> data);
    void LCDWriteData(uint8_t data);
    void LCDWriteCommand(uint8_t command);
    void LCDInit(void);
 
    // LCD Commands & registers list
    static constexpr uint8_t LCD_FUNCTIONSET           = 0x20; 
    static constexpr uint8_t LCD_POWERDOWN             = 0x04; 
    static constexpr uint8_t LCD_ENTRYMODE             = 0x02; 
    static constexpr uint8_t LCD_EXTENDEDINSTRUCTION   = 0x01; 
    static constexpr uint8_t LCD_DISPLAYCONTROL        = 0x08; 
    static constexpr uint8_t LCD_DISPLAYBLANK          = 0x00; 
    static constexpr uint8_t LCD_DISPLAYNORMAL         = 0x04; 
    static constexpr uint8_t LCD_DISPLAYALLON          = 0x01; 
    static constexpr uint8_t LCD_DISPLAYINVERTED       = 0x05; 
    static constexpr uint8_t LCD_SETYADDR =  0x40; 
    static constexpr uint8_t LCD_SETXADDR =  0x80; 
    static constexpr uint8_t LCD_SETTEMP   = 0x04; 
    static constexpr uint8_t LCD_CONTRAST  = 0xB0; 
    static constexpr uint8_t LCD_BIAS      = 0x13; 
    // SPI
    bool _LCDHardwareSPI = true;      
    uint16_t _LCDHighFreqDelay = 0;  
    int _spiHandle = 0; 
    int _spiDev = 0; 
    int _spiChan = 0; 
    int _spiBaud = 50000;   
    int _spiFlags = 0; 
    // GPIO
    int8_t _Display_DC;    
    int8_t _Display_RST;   
    int8_t _Display_CS;    
    int8_t _Display_SCLK;  
    int8_t _Display_SDATA; 
    int _DeviceNumGpioChip = 0; 
    int _GpioHandle = 0; 
    // Display
    uint8_t  _contrast;     
    uint8_t  _bias;         
    bool _inverse = false;  
    bool _sleep;            
    int16_t _LCD_HEIGHT = 48; 
    int16_t _LCD_WIDTH = 84; 
    uint16_t _LCD_Display_size = _LCD_WIDTH * (_LCD_HEIGHT/8);
    std::span<uint8_t> _LCDbuffer;  
}; //end of class