portapack-mayhem/firmware/baseband/audio_input.cpp

/*
 * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2016 Furrtek
 *
 * 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.
 */

#include "audio_input.hpp"

#include "portapack_shared_memory.hpp"

#include "audio_dma.hpp"

#include "message.hpp"

#include <cstdint>
#include <cstddef>
#include <array>

void AudioInput::read_audio_buffer(buffer_s16_t& audio) {
    auto audio_buffer = audio::dma::rx_empty_buffer();

    for (size_t i = 0; i < audio_buffer.count; i++)
        audio.p[i] = audio_buffer.p[i].right;
}