nokia5110.hpp

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#pragma once
 
// libraries 
#include <cstdint>
#include <cstdbool>
#include <cstdio>
#include "hardware/spi.h"
#include "pico/stdlib.h"
#include "display_graphics.hpp"
 
class NOKIA_5110 : public displaylib_graphics
{
 
public:
 
    NOKIA_5110(int16_t width, int16_t height);
    ~NOKIA_5110(){};
    
    virtual void drawPixel(int16_t x, int16_t y, uint8_t color) override;
 
    DisplayRet::Ret_Codes_e LCDSPISetup(spi_inst_t *spi, uint32_t spiBaudRate, int8_t cd, int8_t rst, int8_t cs, int8_t sclk, int8_t din);
    void LCDInit(bool Inverse, uint8_t Contrast,uint8_t Bias);
    DisplayRet::Ret_Codes_e LCDSetBufferPtr(uint8_t width, uint8_t height, std::span<uint8_t> buffer);
    
    DisplayRet::Ret_Codes_e LCDupdate(void);
    DisplayRet::Ret_Codes_e LCDclearBuffer(void);
    void LCDBuffer(std::span<uint8_t> data);
 
    void LCDenableSleep(void);
    void LCDdisableSleep(void);
    bool LCDIsSleeping(void);
 
    void LCDSPIoff(void);
    void LCDPowerDown(void);
 
    void LCDSetContrast(uint8_t con);
    void LCDfillScreen(uint8_t fill = 0xFF);
    void LCDinvertDisplay(bool inv);
    void LCDgotoXY(uint8_t x, uint8_t y);
    void LCDfillBlock(uint8_t FillData = 0xFF , uint8_t RowBlockNum = 0);
 
private:
 
    void LCDWriteData(uint8_t data);
    void LCDWriteCommand(uint8_t command);
 
    // 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
    int8_t _display_CS;       
    int8_t _display_CD;       
    int8_t _display_RST;      
    int8_t _display_SCLK;     
    int8_t _display_DIN;      
    spi_inst_t *_spiInterface; 
    // Display
    uint8_t  _contrast;     
    uint8_t  _bias;         
    bool _inverse = false;  
    bool _sleep;            
// Screen related
    int16_t _LCD_WIDTH = 84;                  
    int16_t _LCD_HEIGHT = 48;                 
    int8_t _LCD_PAGE_NUM = (_LCD_HEIGHT / 8); 
    int16_t _LCD_Display_size =  (_LCD_WIDTH * _LCD_PAGE_NUM); 
    std::span<uint8_t> _LCDbuffer;           
}; //end of class