portapack-mayhem/firmware/baseband/proc_audiotx.hpp

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/*
* 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"
class AudioTXProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const msg) override;
private:
bool configured = false;
BasebandThread baseband_thread { 1536000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
int8_t audio_fifo_data[2048] { };
FIFO<int8_t> audio_fifo = { audio_fifo_data, 11 }; // 43ms @ 48000Hz
uint32_t fm_delta { 0 };
uint32_t divider { };
uint32_t as { 0 };
bool ctcss_enabled { false };
uint32_t ctcss_phase_inc { };
uint32_t ctcss_phase { 0 }, phase { 0 }, sphase { 0 };
int8_t out_sample { };
int32_t ctcss_sample { 0 }, sample { 0 }, sample_mixed { }, 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