mirror of
https://github.com/eried/portapack-mayhem.git
synced 2025-08-07 14:12:31 -04:00
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
/*
|
|
* Copyright (C) 2025 Brumi, HTotoo
|
|
*
|
|
* 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_NOAAAPTRX_H__
|
|
#define __PROC_NOAAAPTRX_H__
|
|
|
|
#include "baseband_processor.hpp"
|
|
#include "baseband_thread.hpp"
|
|
#include "rssi_thread.hpp"
|
|
|
|
#include "dsp_decimate.hpp"
|
|
#include "dsp_demodulate.hpp"
|
|
#include "dsp_iir.hpp"
|
|
#include "audio_compressor.hpp"
|
|
|
|
#include "audio_output.hpp"
|
|
#include "spectrum_collector.hpp"
|
|
|
|
#include <cstdint>
|
|
|
|
class NoaaAptRx : public BasebandProcessor {
|
|
public:
|
|
void execute(const buffer_c8_t& buffer) override;
|
|
void on_message(const Message* const message) override;
|
|
|
|
private:
|
|
void update_params();
|
|
// todo rethink
|
|
|
|
uint32_t samples_per_pixel = 0;
|
|
|
|
// to exactly match the pixel / samples.
|
|
double pxRem = 0; // if has remainder, it'll store it
|
|
double pxRoll = 0; // summs remainders, so won't misalign
|
|
|
|
uint32_t cnt = 0; // signal counter
|
|
uint16_t sync_cnt = 0;
|
|
uint16_t syncnot_cnt = 0;
|
|
|
|
static constexpr size_t baseband_fs = 3072000;
|
|
static constexpr auto spectrum_rate_hz = 50.0f;
|
|
|
|
std::array<complex16_t, 512> dst{};
|
|
const buffer_c16_t dst_buffer{
|
|
dst.data(),
|
|
dst.size()};
|
|
// work_audio_buffer and dst_buffer use the same data pointer
|
|
const buffer_s16_t work_audio_buffer{
|
|
(int16_t*)dst.data(),
|
|
sizeof(dst) / sizeof(int16_t)};
|
|
|
|
std::array<complex16_t, 64> complex_audio{};
|
|
const buffer_c16_t complex_audio_buffer{
|
|
complex_audio.data(),
|
|
complex_audio.size()};
|
|
|
|
dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0{};
|
|
// dsp::decimate::FIRC16xR16x16Decim2 decim_1{}; //original condition , before adding wfmam
|
|
|
|
// decim_1 will handle different types of FIR filters depending on selection.
|
|
dsp::decimate::FIRC16xR16x32Decim8 decim_1{};
|
|
|
|
// dsp::decimate::FIRC16xR16x32Decim8 decim_1{}; // For FMAM
|
|
|
|
int32_t channel_filter_low_f = 0;
|
|
int32_t channel_filter_high_f = 0;
|
|
int32_t channel_filter_transition = 0;
|
|
|
|
dsp::demodulate::FM demod{};
|
|
dsp::decimate::DecimateBy2CIC4Real audio_dec_1{};
|
|
dsp::decimate::DecimateBy2CIC4Real audio_dec_2{};
|
|
dsp::decimate::FIR64AndDecimateBy2Real audio_filter{};
|
|
|
|
AudioOutput audio_output{};
|
|
|
|
// For fs=96kHz FFT streaming
|
|
BlockDecimator<complex16_t, 256> audio_spectrum_decimator{1};
|
|
std::array<std::complex<float>, 256> audio_spectrum{};
|
|
uint32_t audio_spectrum_timer{0};
|
|
enum AudioSpectrumState {
|
|
IDLE = 0,
|
|
FEED,
|
|
FFT
|
|
};
|
|
AudioSpectrumState audio_spectrum_state{IDLE};
|
|
AudioSpectrum spectrum{};
|
|
uint32_t fft_step{0};
|
|
|
|
// SpectrumCollector channel_spectrum{};
|
|
// size_t spectrum_interval_samples = 0;
|
|
// size_t spectrum_samples = 0;
|
|
|
|
bool configured{false};
|
|
|
|
void configure(const NoaaAptRxConfigureMessage& message);
|
|
void capture_config(const CaptureConfigMessage& message);
|
|
|
|
NoaaAptRxStatusDataMessage status_message{0};
|
|
NoaaAptRxImageDataMessage image_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_NOAAAPTRX_H__*/
|