ERM1602_5.hh

Go to the documentation of this file.

#ifndef COSA_ERM1602_5_HH
#define COSA_ERM1602_5_HH

#include <HD44780.h>
#include "Cosa/OutputPin.hh"

class ERM1602_5 : public HD44780::IO {
public:
#if !defined(BOARD_ATTINY)
  ERM1602_5(Board::DigitalPin sda = Board::D7,
            Board::DigitalPin scl = Board::D6,
            Board::DigitalPin en = Board::D5,
            Board::DigitalPin bt = Board::D4);
#else
  ERM1602_5(Board::DigitalPin sda = Board::D1,
            Board::DigitalPin scl = Board::D2,
            Board::DigitalPin en = Board::D3,
            Board::DigitalPin bt = Board::D4);
#endif

  virtual bool setup();

  virtual void write4b(uint8_t data);

  virtual void write8b(uint8_t data);

  virtual void write8n(const void* buf, size_t size);

  virtual void set_mode(uint8_t flag);

  virtual void set_backlight(uint8_t flag);

protected:
  static const uint16_t SHORT_EXEC_TIME = 20;

  OutputPin m_sda;       
  OutputPin m_scl;       
  OutputPin m_en;        
  OutputPin m_bt;        
  uint8_t m_rs;          
  uint8_t m_dirty;       

  void flush();
};

#endif