portapack-mayhem/firmware/baseband/stream_input.hpp
2016-04-11 10:20:19 -07:00

60 lines
1.5 KiB
C++

/*
* Copyright (C) 2016 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 __STREAM_INPUT_H__
#define __STREAM_INPUT_H__
#include "portapack_shared_memory.hpp"
#include "fifo.hpp"
#include <cstdint>
#include <cstddef>
#include <memory>
class StreamInput {
public:
StreamInput(const size_t K) :
K { K },
data { std::make_unique<uint8_t[]>(1UL << K) },
fifo { data.get(), K }
{
// TODO: Send stream creation message.
shared_memory.FIFO_HACK = &fifo;
}
~StreamInput() {
// TODO: Send stream distruction message.
shared_memory.FIFO_HACK = nullptr;
}
size_t write(const void* const data, const size_t length) {
return fifo.in(reinterpret_cast<const uint8_t*>(data), length);
}
private:
const size_t K;
std::unique_ptr<uint8_t[]> data;
FIFO<uint8_t> fifo;
};
#endif/*__STREAM_INPUT_H__*/