mayhem-firmware/firmware/common/message_queue.hpp
2015-07-08 08:39:24 -07:00

52 lines
1.2 KiB
C++

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __MESSAGE_QUEUE_H__
#define __MESSAGE_QUEUE_H__
#include <cstdint>
#include "message.hpp"
#include "fifo.hpp"
class MessageQueue {
public:
bool push(Message* const message);
Message* pop();
size_t len() const {
return fifo.len();
}
bool is_empty() const {
return fifo.is_empty();
}
private:
FIFO<Message*, 8> fifo;
bool enqueue(Message* const message);
void signal();
};
#endif/*__MESSAGE_QUEUE_H__*/