mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-20 23:17:42 +00:00
104 lines
2.6 KiB
C++
104 lines
2.6 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_sgpio.hpp"
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#include "baseband_dma.hpp"
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#include "rssi.hpp"
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#include "i2s.hpp"
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using namespace lpc43xx;
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#include "portapack_shared_memory.hpp"
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#include "utility.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::thread = nullptr;
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BasebandThread::BasebandThread(
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uint32_t sampling_rate,
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BasebandProcessor* const baseband_processor,
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const tprio_t priority,
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baseband::Direction direction
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) : baseband_processor { baseband_processor },
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_direction { direction },
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sampling_rate { sampling_rate }
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{
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thread = 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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BasebandThread::~BasebandThread() {
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chThdTerminate(thread);
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chThdWait(thread);
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thread = nullptr;
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}
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void BasebandThread::set_sampling_rate(uint32_t new_sampling_rate) {
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sampling_rate = new_sampling_rate;
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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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direction()
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);
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//baseband::dma::allocate(4, 2048);
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baseband_sgpio.configure(direction());
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baseband::dma::enable(direction());
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baseband_sgpio.streaming_enable();
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while( !chThdShouldTerminate() ) {
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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_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, 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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}
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}
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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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}
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