uart_of.h

/* SPDX-License-Identifier: GPL-2.0-only OR License-Ref-kk-custom */
/*
 * Copyright (C) 2023 Kernkonzept GmbH.
 */
/*
 * (c) 2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 */
#pragma once
 
#include "uart_base.h"
#include <stdarg.h>
#include <string.h>
#include <l4/drivers/of.h>
 
namespace L4
{
  class Uart_of : public Uart, public L4_drivers::Of
  {
  private:
    ihandle_t  _serial;
 
  public:
    Uart_of() : Of(), _serial(0) {}
    explicit Uart_of(unsigned /*base_rate*/) : Of(), _serial(0) {}
    bool startup(Io_register_block const *) override;
    void shutdown() override;
    bool change_mode(Transfer_mode m, Baud_rate r) override;
    int get_char(bool blocking = true) const override;
    int char_avail() const override;
    int tx_avail() const;
    void out_char(char c) const;
    int write(char const *s, unsigned long count,
              bool blocking = true) const override;
  };
};