portapack-mayhem/firmware/baseband/proc_audiotx.hpp
furrtek 57c759627d Fixed mic tx not working the first time it was entered
Fixed SD card FAT wipe (buffer size too big)
Cleared some warnings from ADSB rx
Updated binary
2018-02-01 11:17:51 +00:00

70 lines
1.9 KiB
C++

/*
* Copyright (C) 2015 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.
*/
#ifndef __PROC_AUDIOTX_H__
#define __PROC_AUDIOTX_H__
#include "fifo.hpp"
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "tone_gen.hpp"
class AudioTXProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const msg) override;
private:
static constexpr size_t baseband_fs = 1536000U;
bool configured = false;
BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Transmit };
int8_t audio_fifo_data[2048] { };
FIFO<int8_t> audio_fifo = { audio_fifo_data, 11 }; // 43ms @ 48000Hz
ToneGen tone_gen { };
uint32_t fm_delta { 0 };
uint32_t divider { };
uint32_t as { 0 };
uint32_t phase { 0 }, sphase { 0 };
int8_t out_sample { };
int32_t sample { 0 }, delta { };
int8_t re { 0 }, im { 0 };
bool asked { false };
//int16_t audio_data[64];
/*const buffer_s16_t preview_audio_buffer {
audio_data,
sizeof(int16_t)*64
};*/
RequestSignalMessage sig_message { RequestSignalMessage::Signal::FillRequest };
};
#endif