mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
/*
|
|
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2017 Furrtek
|
|
* Copyright (C) 2024 Mark Thompson
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "proc_sonde.hpp"
|
|
|
|
#include "dsp_fir_taps.hpp"
|
|
|
|
#include "event_m4.hpp"
|
|
|
|
#include "audio_dma.hpp"
|
|
|
|
SondeProcessor::SondeProcessor() {
|
|
decim_0.configure(taps_11k0_decim_0.taps);
|
|
decim_1.configure(taps_11k0_decim_1.taps);
|
|
|
|
baseband_thread.start();
|
|
}
|
|
|
|
void SondeProcessor::execute(const buffer_c8_t& buffer) {
|
|
/* 2.4576MHz, 2048 samples */
|
|
|
|
const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
|
|
const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);
|
|
const auto decimator_out = decim_1_out;
|
|
|
|
/* 38.4kHz, 32 samples */
|
|
feed_channel_stats(decimator_out);
|
|
|
|
for (size_t i = 0; i < decimator_out.count; i++) {
|
|
if (mf.execute_once(decimator_out.p[i])) {
|
|
clock_recovery_fsk_9600(mf.get_output());
|
|
clock_recovery_fsk_4800(mf.get_output());
|
|
}
|
|
}
|
|
}
|
|
|
|
void SondeProcessor::on_message(const Message* const msg) {
|
|
switch (msg->id) {
|
|
case Message::ID::RequestSignal:
|
|
on_signal_message(*reinterpret_cast<const RequestSignalMessage*>(msg));
|
|
break;
|
|
|
|
case Message::ID::AudioBeep:
|
|
on_beep_message(*reinterpret_cast<const AudioBeepMessage*>(msg));
|
|
break;
|
|
|
|
case Message::ID::PitchRSSIConfigure:
|
|
on_pitch_rssi_config(*reinterpret_cast<const PitchRSSIConfigureMessage*>(msg));
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SondeProcessor::on_signal_message(const RequestSignalMessage& message) {
|
|
if (message.signal == RequestSignalMessage::Signal::RSSIBeepRequest) {
|
|
float rssi_ratio = (float)last_rssi / RSSI_CEILING;
|
|
uint32_t beep_duration = 0;
|
|
|
|
if (rssi_ratio <= PROPORTIONAL_BEEP_THRES) {
|
|
beep_duration = BEEP_MIN_DURATION;
|
|
} else if (rssi_ratio < 1) {
|
|
beep_duration = rssi_ratio * BEEP_DURATION_RANGE + BEEP_MIN_DURATION;
|
|
} else {
|
|
beep_duration = BEEP_DURATION_RANGE + BEEP_MIN_DURATION;
|
|
}
|
|
|
|
audio::dma::beep_start(beep_freq, DEFAULT_AUDIO_SAMPLE_RATE, beep_duration);
|
|
}
|
|
}
|
|
|
|
void SondeProcessor::on_beep_message(const AudioBeepMessage& message) {
|
|
audio::dma::beep_start(message.freq, message.sample_rate, message.duration_ms);
|
|
}
|
|
|
|
void SondeProcessor::on_pitch_rssi_config(const PitchRSSIConfigureMessage& message) {
|
|
pitch_rssi_enabled = message.enabled;
|
|
|
|
beep_freq = message.rssi * RSSI_PITCH_WEIGHT + BEEP_BASE_FREQ;
|
|
last_rssi = message.rssi;
|
|
}
|
|
|
|
int main() {
|
|
audio::dma::init_audio_out();
|
|
|
|
EventDispatcher event_dispatcher{std::make_unique<SondeProcessor>()};
|
|
event_dispatcher.run();
|
|
|
|
return 0;
|
|
}
|