mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-20 23:17:42 +00:00
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2016 Furrtek
|
|
* Copyright (C) 2020 Shao
|
|
*
|
|
* 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_am_tv.hpp"
|
|
|
|
#include "portapack_shared_memory.hpp"
|
|
#include "dsp_fft.hpp"
|
|
#include "event_m4.hpp"
|
|
|
|
#include <cstdint>
|
|
|
|
void WidebandFMAudio::execute(const buffer_c8_t& buffer) {
|
|
if( !configured ) {
|
|
return;
|
|
}
|
|
|
|
std::fill(spectrum.begin(), spectrum.end(), 0);
|
|
|
|
for(size_t i=0; i<spectrum.size(); i++) {
|
|
spectrum[i] += buffer.p[i];
|
|
}
|
|
|
|
const buffer_c16_t buffer_c16 {spectrum.data(),spectrum.size(),buffer.sampling_rate};
|
|
channel_spectrum.feed(buffer_c16);
|
|
|
|
int8_t re ;
|
|
//int8_t im;
|
|
//int8_t mag;
|
|
|
|
for (size_t i = 0; i < 128; i++)
|
|
{
|
|
re = buffer.p[i].real();
|
|
//im = buffer.p[i].imag();
|
|
//mag = __builtin_sqrtf((re * re) + (im * im)) ;
|
|
const unsigned int v = re + 127.0f; //timescope
|
|
audio_spectrum.db[i] = std::max(0U, std::min(255U, v));
|
|
}
|
|
AudioSpectrumMessage message { &audio_spectrum };
|
|
shared_memory.application_queue.push(message);
|
|
}
|
|
|
|
void WidebandFMAudio::on_message(const Message* const message) {
|
|
switch(message->id) {
|
|
case Message::ID::UpdateSpectrum:
|
|
case Message::ID::SpectrumStreamingConfig:
|
|
channel_spectrum.on_message(message);
|
|
break;
|
|
|
|
case Message::ID::WFMConfigure:
|
|
configure(*reinterpret_cast<const WFMConfigureMessage*>(message));
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void WidebandFMAudio::configure(const WFMConfigureMessage& message) {
|
|
(void)message; // avoid warning
|
|
configured = true;
|
|
}
|
|
|
|
|
|
int main() {
|
|
EventDispatcher event_dispatcher { std::make_unique<WidebandFMAudio>() };
|
|
event_dispatcher.run();
|
|
return 0;
|
|
}
|