mayhem-firmware/firmware/baseband/proc_sstvtx.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_SSTV_TX_H__
#define __PROC_SSTV_TX_H__
#include "portapack_shared_memory.hpp"
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "sstv.hpp"
using namespace sstv;
class SSTVTXProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const p) override;
private:
// 1900 300ms
// 1200 10ms
// 1900 300ms
const std::pair<uint32_t, uint32_t> calibration_sequence[3] = {
{ SSTV_F2D(1900), SSTV_MS2S(300) },
{ SSTV_F2D(1200), SSTV_MS2S(10) },
{ SSTV_F2D(1900), SSTV_MS2S(300) }
};
enum state_t {
STATE_CALIBRATION = 0,
STATE_VIS,
STATE_START,
STATE_PIXELS
};
state_t state { };
bool configured { false };
BasebandThread baseband_thread { 3072000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
uint32_t vis_code_sequence[10] { };
sstv_scanline scanline_buffer[2] { };
uint8_t buffer_flip { 0 }, substep { 0 };
uint8_t vis_code { };
uint32_t pixel_duration { };
sstv_scanline * current_scanline { };
uint8_t pixel_luma { };
uint32_t fm_delta { 0 };
uint32_t tone_phase { 0 };
uint32_t tone_delta { 0 };
uint32_t pixel_index { 0 };
uint32_t sample_count { 0 };
uint32_t phase { 0 }, sphase { 0 };
int32_t tone_sample { 0 }, delta { 0 };
int8_t re { 0 }, im { 0 };
bool asked { false };
RequestSignalMessage sig_message { RequestSignalMessage::Signal::FillRequest };
};
#endif