portapack-mayhem/firmware/baseband/proc_subghzd.hpp

77 lines
2.7 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.
*/
/*
Creator: @htotoo
*/
#ifndef __PROC_WEATHER_H__
#define __PROC_WEATHER_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"
#include "message.hpp"
#include "dsp_decimate.hpp"
#include "fprotos/weatherprotos.hpp"
#include "fprotos/subghzdprotos.hpp"
class WeatherProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const message) override;
private:
static constexpr size_t baseband_fs = 4'000'000; // it works, I think we need to write that master clock in the baseband_threat , even later we decimate it.
static constexpr uint32_t nsPerDecSamp = 1'000'000'000 / baseband_fs * 8; // 10 exp9/baseband_fs * 8
/* Array Buffer aux. used in decim0 and decim1 IQ c16 signed data ; (decim0 defines the max length of the array) */
std::array<complex16_t, 512> dst{}; // decim0 /4 , 2048/4 = 512 complex I,Q
const buffer_c16_t dst_buffer{
dst.data(),
dst.size()};
/* Decimates */
dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0{};
dsp::decimate::FIRC16xR16x16Decim2 decim_1{};
uint32_t currentDuration = 0;
uint32_t threshold = 0x0630; // will overwrite after the first iteration
bool currentHiLow = false;
bool configured{false};
uint8_t modulation = 255; // 0 AM, 1 FM 255 = Not set
uint8_t protoMode = 255; // 0 weather, 1 subghzd, 255 = Not set
// for threshold
uint32_t cnt = 0;
uint32_t tm = 0;
FProtoListGeneral* protoList = NULL; // holds all the protocols we can parse
void configure(const SubGhzFPRxConfigureMessage& message);
/* NB: Threads should be the last members in the class definition. */
BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Receive};
RSSIThread rssi_thread{};
};
#endif /*__PROC_WEATHER_H__*/