PP7W.h

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#ifndef LCD_ADAPTER_PP7W_H
#define LCD_ADAPTER_PP7W_H

#include "LCD.h"
#include "Driver/HD44780.h"
#include "GPIO.h"

namespace LCD {
template<BOARD::pin_t D0_PIN,
         BOARD::pin_t D1_PIN,
         BOARD::pin_t D2_PIN,
         BOARD::pin_t D3_PIN,
         BOARD::pin_t RS_PIN,
         BOARD::pin_t EN_PIN,
         BOARD::pin_t BT_PIN>
class PP7W : public HD44780::Adapter {
public:
  PP7W() :
    HD44780::Adapter()
  {
    m_d0.output();
    m_d1.output();
    m_d2.output();
    m_d3.output();
    m_rs.output();
    m_en.output();
    m_bt.output();
    m_bt.high();
  }

  virtual void write4b(uint8_t data)
  {
    m_d0.write(data & 0x01);
    m_d1.write(data & 0x02);
    m_d2.write(data & 0x04);
    m_d3.write(data & 0x08);
    m_en.toggle();
    m_en.toggle();
  }

  virtual void write8b(uint8_t data)
  {
    m_d0.write(data & 0x10);
    m_d1.write(data & 0x20);
    m_d2.write(data & 0x40);
    m_d3.write(data & 0x80);
    m_en.toggle();
    m_en.toggle();
    m_d0.write(data & 0x01);
    m_d1.write(data & 0x02);
    m_d2.write(data & 0x04);
    m_d3.write(data & 0x08);
    m_en.toggle();
    m_en.toggle();
    delayMicroseconds(SHORT_EXEC_TIME);
  }

  virtual void set_mode(uint8_t flag)
  {
    m_rs.write(flag);
  }

  virtual void set_backlight(uint8_t flag)
  {
    m_bt.write(flag);
  }

protected:
  static const uint16_t SHORT_EXEC_TIME = 32;

  GPIO<D0_PIN> m_d0;            
  GPIO<D1_PIN> m_d1;            
  GPIO<D2_PIN> m_d2;            
  GPIO<D3_PIN> m_d3;            
  GPIO<RS_PIN> m_rs;            
  GPIO<EN_PIN> m_en;            
  GPIO<BT_PIN> m_bt;            
};
};
#endif