mayhem-firmware/firmware/baseband-tx/rssi_thread.cpp

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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* 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 "rssi_thread.hpp"
#include "rssi.hpp"
#include "rssi_dma.hpp"
#include "rssi_stats_collector.hpp"
#include "message.hpp"
#include "portapack_shared_memory.hpp"
WORKING_AREA(rssi_thread_wa, 128);
Thread* RSSIThread::start(const tprio_t priority) {
return chThdCreateStatic(rssi_thread_wa, sizeof(rssi_thread_wa),
priority, ThreadBase::fn,
this
);
}
void RSSIThread::run() {
rf::rssi::init();
rf::rssi::dma::allocate(4, 400);
RSSIStatisticsCollector stats;
while(true) {
// TODO: Place correct sampling rate into buffer returned here:
const auto buffer_tmp = rf::rssi::dma::wait_for_buffer();
const rf::rssi::buffer_t buffer {
buffer_tmp.p, buffer_tmp.count, sampling_rate
};
stats.process(
buffer,
[](const RSSIStatistics& statistics) {
const RSSIStatisticsMessage message { statistics };
shared_memory.application_queue.push(message);
}
);
}
rf::rssi::dma::free();
}