HD44780_Port4b.cpp

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#include "Cosa/Board.hh"
#if !defined(BOARD_ATTINYX5)
#include "HD44780.hh"

bool
HD44780::Port4b::setup()
{
  return (false);
}

void
HD44780::Port4b::write4b(uint8_t data)
{
  synchronized {
    m_d0._set(data & 0x01);
    m_d1._set(data & 0x02);
    m_d2._set(data & 0x04);
    m_d3._set(data & 0x08);
    m_en._toggle();
    m_en._toggle();
  }
}

void
HD44780::Port4b::write8b(uint8_t data)
{
  synchronized {
    m_d0._set(data & 0x10);
    m_d1._set(data & 0x20);
    m_d2._set(data & 0x40);
    m_d3._set(data & 0x80);
    m_en._toggle();
    m_en._toggle();
    m_d0._set(data & 0x01);
    m_d1._set(data & 0x02);
    m_d2._set(data & 0x04);
    m_d3._set(data & 0x08);
    m_en._toggle();
    m_en._toggle();
  }
  DELAY(SHORT_EXEC_TIME);
}

void
HD44780::Port4b::set_mode(uint8_t flag)
{
  m_rs.write(flag);
}

void
HD44780::Port4b::set_backlight(uint8_t flag)
{
  m_bt.write(flag);
}
#endif