File evabScreenLCD_I2C.h

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#pragma once

#include <evabScreen.h>
#include <Wire.h>

namespace evab
{

  class ScreenLCD_I2C : public Screen
  {
  public:
    ScreenLCD_I2C(uint8_t aAddress, uint8_t aCols, uint8_t aRows, uint8_t aBacklightPin);

    void SetBacklight(uint8_t aState);

    Coor Size() override { return {mCols, mRows}; }

    unsigned short Serialize(const Coor &aPos, const Coor &aSize, bool isFocused);

    void Deserialize(unsigned short aSerialized, Coor &aPos, Coor &aSize, bool &isFocused);

    void DrawSymbol(Coor aPosition, Coor aSize, char aCharcode, unsigned char aColor) override;

  private:
    void clearDisplay();

    void sendByte(uint8_t aData, bool aIsCommand);

    void sendNibble(uint8_t aData, bool aIsCommand);

    void setCursor(uint8_t aCol, uint8_t aRow);

    uint8_t mAddress;       
    uint8_t mCols;          
    uint8_t mRows;          
    uint8_t mBacklightPin;  
    uint8_t mBacklightMask; 
  };

}