mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 19:54:39 +00:00
153 lines
4.0 KiB
C++
153 lines
4.0 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "baseband_thread.hpp"
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#include "dsp_types.hpp"
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#include "baseband.hpp"
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#include "baseband_stats_collector.hpp"
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#include "baseband_sgpio.hpp"
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#include "baseband_dma.hpp"
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#include "proc_playaudio.hpp"
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#include "proc_audiotx.hpp"
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#include "proc_xylos.hpp"
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#include "proc_epar.hpp"
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#include "proc_fsk_lcr.hpp"
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#include "proc_rds.hpp"
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#include "proc_jammer.hpp"
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#include "rssi.hpp"
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#include "i2s.hpp"
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#include "portapack_shared_memory.hpp"
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#include <array>
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static baseband::SGPIO baseband_sgpio;
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WORKING_AREA(baseband_thread_wa, 4096);
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Thread* BasebandThread::start(const tprio_t priority) {
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return chThdCreateStatic(baseband_thread_wa, sizeof(baseband_thread_wa),
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priority, ThreadBase::fn,
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this
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);
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}
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void BasebandThread::set_configuration(const BasebandConfiguration& new_configuration) {
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if( new_configuration.mode != baseband_configuration.mode ) {
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disable();
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// TODO: Timing problem around disabling DMA and nulling and deleting old processor
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auto old_p = baseband_processor;
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baseband_processor = nullptr;
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delete old_p;
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baseband_processor = create_processor(new_configuration.mode);
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enable();
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}
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baseband_configuration = new_configuration;
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}
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void BasebandThread::on_message(const Message* const message) {
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if( message->id == Message::ID::BasebandConfiguration ) {
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set_configuration(reinterpret_cast<const BasebandConfigurationMessage*>(message)->configuration);
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} else {
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if( baseband_processor ) {
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baseband_processor->on_message(message);
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}
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}
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}
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void BasebandThread::run() {
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baseband_sgpio.init();
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baseband::dma::init();
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const auto baseband_buffer = std::make_unique<std::array<baseband::sample_t, 8192>>();
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baseband::dma::configure(
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baseband_buffer->data(),
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baseband::Direction::Transmit
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);
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//baseband::dma::allocate(4, 2048);
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BasebandStatsCollector stats {
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chSysGetIdleThread(),
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thread_main,
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thread_rssi,
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chThdSelf()
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};
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while(true) {
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// TODO: Place correct sampling rate into buffer returned here:
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const auto buffer_tmp = baseband::dma::wait_for_tx_buffer();
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if( buffer_tmp ) {
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buffer_c8_t buffer {
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buffer_tmp.p, buffer_tmp.count, baseband_configuration.sampling_rate
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};
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if( baseband_processor ) {
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baseband_processor->execute(buffer);
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}
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stats.process(buffer,
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[](const BasebandStatistics& statistics) {
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const BasebandStatisticsMessage message { statistics };
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shared_memory.application_queue.push(message);
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}
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);
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}
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}
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}
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BasebandProcessor* BasebandThread::create_processor(const int32_t mode) {
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switch(mode) {
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case 0: return new PlayAudioProcessor();
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case 1: return new AudioTXProcessor();
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case 2: return new XylosProcessor();
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case 3: return new LCRFSKProcessor();
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case 4: return new EPARProcessor();
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case 5: return new RDSProcessor();
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case 6: return new JammerProcessor();
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default: return nullptr;
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}
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}
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void BasebandThread::disable() {
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if( baseband_processor ) {
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i2s::i2s0::tx_mute();
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baseband::dma::disable();
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baseband_sgpio.streaming_disable();
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rf::rssi::stop();
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}
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}
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void BasebandThread::enable() {
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if( baseband_processor ) {
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baseband_sgpio.configure(baseband::Direction::Transmit);
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baseband::dma::enable(baseband::Direction::Transmit);
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baseband_sgpio.streaming_enable();
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}
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}
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