mirror of
https://github.com/eried/portapack-mayhem.git
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1004 lines
28 KiB
C++
Executable File
1004 lines
28 KiB
C++
Executable File
/*
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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 "ch.h"
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#include "test.h"
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#include "lpc43xx_cpp.hpp"
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#include "portapack_shared_memory.hpp"
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#include "portapack_dma.hpp"
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#include "gpdma.hpp"
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#include "baseband.hpp"
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#include "baseband_dma.hpp"
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#include "event_m4.hpp"
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#include "irq_ipc_m4.hpp"
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#include "rssi.hpp"
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#include "rssi_dma.hpp"
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#include "touch_dma.hpp"
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#include "dsp_decimate.hpp"
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#include "dsp_demodulate.hpp"
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#include "dsp_fir_taps.hpp"
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#include "dsp_iir.hpp"
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#include "dsp_iir_config.hpp"
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#include "dsp_squelch.hpp"
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#include "baseband_stats_collector.hpp"
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#include "rssi_stats_collector.hpp"
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#include "channel_decimator.hpp"
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#include "baseband_processor.hpp"
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#include "proc_am_audio.hpp"
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#include "proc_nfm_audio.hpp"
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#include "proc_wfm_audio.hpp"
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#include "proc_ais.hpp"
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#include "proc_wideband_spectrum.hpp"
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#include "proc_tpms.hpp"
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#include "clock_recovery.hpp"
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#include "packet_builder.hpp"
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#include "message_queue.hpp"
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#include "utility.hpp"
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#include "debug.hpp"
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#include "audio.hpp"
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#include "audio_dma.hpp"
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#include "gcc.hpp"
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#include <cstdint>
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#include <cstddef>
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#include <array>
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#include <string>
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#include <bitset>
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#include <math.h>
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class ThreadBase {
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public:
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constexpr ThreadBase(
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const char* const name
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) : name { name }
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{
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}
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static msg_t fn(void* arg) {
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auto obj = static_cast<ThreadBase*>(arg);
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chRegSetThreadName(obj->name);
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obj->run();
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return 0;
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}
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virtual void run() = 0;
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private:
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const char* const name;
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};
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class BasebandThread : public ThreadBase {
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public:
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BasebandThread(
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) : ThreadBase { "baseband" }
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{
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}
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Thread* start(const tprio_t priority) {
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return chThdCreateStatic(wa, sizeof(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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<<<<<<< HEAD
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void fill_audio_buffer(const buffer_s16_t audio) {
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auto audio_buffer = audio::dma::tx_empty_buffer();
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for(size_t i=0; i<audio_buffer.count; i++) {
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audio_buffer.p[i].left = audio_buffer.p[i].right = audio.p[i];
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}
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i2s::i2s0::tx_unmute();
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feed_audio_stats(audio);
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}
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=======
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Thread* thread_main { nullptr };
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Thread* thread_rssi { nullptr };
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BasebandProcessor* baseband_processor { nullptr };
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BasebandConfiguration baseband_configuration;
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>>>>>>> upstream/master
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private:
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WORKING_AREA(wa, 2048);
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void run() override {
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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_rx_buffer();
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const 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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class RSSIThread : public ThreadBase {
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public:
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RSSIThread(
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) : ThreadBase { "rssi" }
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{
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}
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Thread* start(const tprio_t priority) {
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return chThdCreateStatic(wa, sizeof(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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uint32_t sampling_rate { 400000 };
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private:
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WORKING_AREA(wa, 128);
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void run() override {
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RSSIStatisticsCollector stats;
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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 = rf::rssi::dma::wait_for_buffer();
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const rf::rssi::buffer_t buffer {
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buffer_tmp.p, buffer_tmp.count, sampling_rate
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};
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stats.process(
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buffer,
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[](const RSSIStatistics statistics) {
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const RSSIStatisticsMessage 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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<<<<<<< HEAD
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static const int8_t sintab[1024] = {
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0, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 15, 16, 16, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 25, 26, 26, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36, 37, 38, 38, 39, 40, 41, 41, 42, 43, 44, 44, 45, 46, 46, 47, 48, 49, 49, 50, 51, 51, 52, 53, 54, 54, 55, 56, 56, 57, 58, 58, 59, 60, 61, 61, 62, 63, 63, 64, 65, 65, 66, 67, 67, 68, 69, 69, 70, 71, 71, 72, 72, 73, 74, 74, 75, 76, 76, 77, 78, 78, 79, 79, 80, 81, 81, 82, 82, 83, 84, 84, 85, 85, 86, 86, 87, 88, 88, 89, 89, 90, 90, 91, 91, 92, 93, 93, 94, 94, 95, 95, 96, 96, 97, 97, 98, 98, 99, 99, 100, 100, 101, 101, 102, 102, 102, 103, 103, 104, 104, 105, 105, 106, 106, 106, 107, 107, 108, 108, 109, 109, 109, 110, 110, 111, 111, 111, 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 116, 116, 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120, 120, 120, 120, 121, 121, 121, 121, 122, 122, 122, 122, 122, 123, 123, 123, 123, 123, 124, 124, 124, 124, 124, 124, 125, 125, 125, 125, 125, 125, 125, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
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127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 125, 125, 125, 125, 125, 125, 125, 124, 124, 124, 124, 124, 124, 123, 123, 123, 123, 123, 122, 122, 122, 122, 122, 121, 121, 121, 121, 120, 120, 120, 120, 119, 119, 119, 118, 118, 118, 118, 117, 117, 117, 116, 116, 116, 115, 115, 115, 114, 114, 114, 113, 113, 113, 112, 112, 112, 111, 111, 111, 110, 110, 109, 109, 109, 108, 108, 107, 107, 106, 106, 106, 105, 105, 104, 104, 103, 103, 102, 102, 102, 101, 101, 100, 100, 99, 99, 98, 98, 97, 97, 96, 96, 95, 95, 94, 94, 93, 93, 92, 91, 91, 90, 90, 89, 89, 88, 88, 87, 86, 86, 85, 85, 84, 84, 83, 82, 82, 81, 81, 80, 79, 79, 78, 78, 77, 76, 76, 75, 74, 74, 73, 72, 72, 71, 71, 70, 69, 69, 68, 67, 67, 66, 65, 65, 64, 63, 63, 62, 61, 61, 60, 59, 58, 58, 57, 56, 56, 55, 54, 54, 53, 52, 51, 51, 50, 49, 49, 48, 47, 46, 46, 45, 44, 44, 43, 42, 41, 41, 40, 39, 38, 38, 37, 36, 35, 35, 34, 33, 32, 32, 31, 30, 29, 29, 28, 27, 26, 26, 25, 24, 23, 22, 22, 21, 20, 19, 19, 18, 17, 16, 16, 15, 14, 13, 12, 12, 11, 10, 9, 9, 8, 7, 6, 5, 5, 4, 3, 2, 2, 1, 0, -1, -2, -2, -3, -4, -5, -5, -6, -7, -8, -9, -9, -10, -11, -12, -12, -13, -14, -15, -16, -16, -17, -18, -19, -19, -20, -21, -22, -22, -23, -24, -25, -26, -26, -27, -28, -29, -29, -30, -31,
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-32, -32, -33, -34, -35, -35, -36, -37, -38, -38, -39, -40, -41, -41, -42, -43, -44, -44, -45, -46, -46, -47, -48, -49, -49, -50, -51, -51, -52, -53, -54, -54, -55, -56, -56, -57, -58, -58, -59, -60, -61, -61, -62, -63, -63, -64, -65, -65, -66, -67, -67, -68, -69, -69, -70, -71, -71, -72, -72, -73, -74, -74, -75, -76, -76, -77, -78, -78, -79, -79, -80, -81, -81, -82, -82, -83, -84, -84, -85, -85, -86, -86, -87, -88, -88, -89, -89, -90, -90, -91, -91, -92, -93, -93, -94, -94, -95, -95, -96, -96, -97, -97, -98, -98, -99, -99, -100, -100, -101, -101, -102, -102, -102, -103, -103, -104, -104, -105, -105, -106, -106, -106, -107, -107, -108, -108, -109, -109, -109, -110, -110, -111, -111, -111, -112, -112, -112, -113, -113, -113, -114, -114, -114, -115, -115, -115, -116, -116, -116, -117, -117, -117, -118, -118, -118, -118, -119, -119, -119, -120, -120, -120, -120, -121, -121, -121, -121, -122, -122, -122, -122, -122, -123, -123, -123, -123, -123, -124, -124, -124, -124, -124, -124, -125, -125, -125, -125, -125, -125, -125, -126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127,
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-126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -125, -125, -125, -125, -125, -125, -125, -124, -124, -124, -124, -124, -124, -123, -123, -123, -123, -123, -122, -122, -122, -122, -122, -121, -121, -121, -121, -120, -120, -120, -120, -119, -119, -119, -118, -118, -118, -118, -117, -117, -117, -116, -116, -116, -115, -115, -115, -114, -114, -114, -113, -113, -113, -112, -112, -112, -111, -111, -111, -110, -110, -109, -109, -109, -108, -108, -107, -107, -106, -106, -106, -105, -105, -104, -104, -103, -103, -102, -102, -102, -101, -101, -100, -100, -99, -99, -98, -98, -97, -97, -96, -96, -95, -95, -94, -94, -93, -93, -92, -91, -91, -90, -90, -89, -89, -88, -88, -87, -86, -86, -85, -85, -84, -84, -83, -82, -82, -81, -81, -80, -79, -79, -78, -78, -77, -76, -76, -75, -74, -74, -73, -72, -72, -71, -71, -70, -69, -69, -68, -67, -67, -66, -65, -65, -64, -63, -63, -62, -61, -61, -60, -59, -58, -58, -57, -56, -56, -55, -54, -54, -53, -52, -51, -51, -50, -49, -49, -48, -47, -46, -46, -45, -44, -44, -43, -42, -41, -41, -40, -39, -38, -38, -37, -36, -35, -35, -34, -33, -32, -32, -31, -30, -29, -29, -28, -27, -26, -26, -25, -24, -23, -22, -22, -21, -20, -19, -19, -18, -17, -16, -16, -15, -14, -13, -12, -12, -11, -10, -9, -9, -8, -7, -6, -5, -5, -4, -3, -2, -2, -1
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};
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#define SAMPLES_PER_BIT 192
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#define FILTER_SIZE 576
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#define SAMPLE_BUFFER_SIZE SAMPLES_PER_BIT + FILTER_SIZE
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static int32_t waveform_biphase[] = {
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165,167,168,168,167,166,163,160,
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157,152,147,141,134,126,118,109,
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99,88,77,66,53,41,27,14,
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0,-14,-29,-44,-59,-74,-89,-105,
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-120,-135,-150,-165,-179,-193,-206,-218,
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-231,-242,-252,-262,-271,-279,-286,-291,
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-296,-299,-301,-302,-302,-300,-297,-292,
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-286,-278,-269,-259,-247,-233,-219,-202,
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-185,-166,-145,-124,-101,-77,-52,-26,
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0,27,56,85,114,144,175,205,
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236,266,296,326,356,384,412,439,
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465,490,513,535,555,574,590,604,
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616,626,633,637,639,638,633,626,
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616,602,586,565,542,515,485,451,
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414,373,329,282,232,178,121,62,
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0,-65,-132,-202,-274,-347,-423,-500,
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-578,-656,-736,-815,-894,-973,-1051,-1128,
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-1203,-1276,-1347,-1415,-1479,-1540,-1596,-1648,
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-1695,-1736,-1771,-1799,-1820,-1833,-1838,-1835,
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-1822,-1800,-1767,-1724,-1670,-1605,-1527,-1437,
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-1334,-1217,-1087,-943,-785,-611,-423,-219,
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0,235,487,755,1040,1341,1659,1994,
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2346,2715,3101,3504,3923,4359,4811,5280,
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5764,6264,6780,7310,7856,8415,8987,9573,
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10172,10782,11404,12036,12678,13329,13989,14656,
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15330,16009,16694,17382,18074,18767,19461,20155,
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20848,21539,22226,22909,23586,24256,24918,25571,
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26214,26845,27464,28068,28658,29231,29787,30325,
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30842,31339,31814,32266,32694,33097,33473,33823,
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34144,34437,34699,34931,35131,35299,35434,35535,
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35602,35634,35630,35591,35515,35402,35252,35065,
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34841,34579,34279,33941,33566,33153,32702,32214,
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31689,31128,30530,29897,29228,28525,27788,27017,
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26214,25379,24513,23617,22693,21740,20761,19755,
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18725,17672,16597,15501,14385,13251,12101,10935,
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9755,8563,7360,6148,4927,3701,2470,1235,
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0,-1235,-2470,-3701,-4927,-6148,-7360,-8563,
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-9755,-10935,-12101,-13251,-14385,-15501,-16597,-17672,
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-18725,-19755,-20761,-21740,-22693,-23617,-24513,-25379,
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-26214,-27017,-27788,-28525,-29228,-29897,-30530,-31128,
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-31689,-32214,-32702,-33153,-33566,-33941,-34279,-34579,
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-34841,-35065,-35252,-35402,-35515,-35591,-35630,-35634,
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-35602,-35535,-35434,-35299,-35131,-34931,-34699,-34437,
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-34144,-33823,-33473,-33097,-32694,-32266,-31814,-31339,
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-30842,-30325,-29787,-29231,-28658,-28068,-27464,-26845,
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-26214,-25571,-24918,-24256,-23586,-22909,-22226,-21539,
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-20848,-20155,-19461,-18767,-18074,-17382,-16694,-16009,
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-15330,-14656,-13989,-13329,-12678,-12036,-11404,-10782,
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-10172,-9573,-8987,-8415,-7856,-7310,-6780,-6264,
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-5764,-5280,-4811,-4359,-3923,-3504,-3101,-2715,
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-2346,-1994,-1659,-1341,-1040,-755,-487,-235,
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0,219,423,611,785,943,1087,1217,
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1334,1437,1527,1605,1670,1724,1767,1800,
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1822,1835,1838,1833,1820,1799,1771,1736,
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1695,1648,1596,1540,1479,1415,1347,1276,
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1203,1128,1051,973,894,815,736,656,
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578,500,423,347,274,202,132,65,
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0,-62,-121,-178,-232,-282,-329,-373,
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-414,-451,-485,-515,-542,-565,-586,-602,
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-616,-626,-633,-638,-639,-637,-633,-626,
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-616,-604,-590,-574,-555,-535,-513,-490,
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-465,-439,-412,-384,-356,-326,-296,-266,
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-236,-205,-175,-144,-114,-85,-56,-27,
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0,26,52,77,101,124,145,166,
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185,202,219,233,247,259,269,278,
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286,292,297,300,302,302,301,299,
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296,291,286,279,271,262,252,242,
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231,218,206,193,179,165,150,135,
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120,105,89,74,59,44,29,14,
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0,-14,-27,-41,-53,-66,-77,-88,
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-99,-109,-118,-126,-134,-141,-147,-152,
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-157,-160,-163,-166,-167,-168,-168,-167
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};
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/*
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class RDSProcessor : public BasebandProcessor {
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public:
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void execute(buffer_c8_t buffer) override {
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for (size_t i = 0; i<buffer.count; i++) {
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//Sample generation 2.28M/10=228kHz
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if(s >= 9) {
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s = 0;
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if(sample_count >= SAMPLES_PER_BIT) {
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cur_bit = (shared_memory.rdsdata[(bit_pos / 26) & 15]>>(25-(bit_pos % 26))) & 1;
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prev_output = cur_output;
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cur_output = prev_output ^ cur_bit;
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int32_t *src = waveform_biphase;
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int idx = in_sample_index;
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for(int j=0; j<FILTER_SIZE; j++) {
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val = (*src++);
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if (cur_output) val = -val;
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sample_buffer[idx++] += val;
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if (idx >= SAMPLE_BUFFER_SIZE) idx = 0;
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}
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in_sample_index += SAMPLES_PER_BIT;
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if (in_sample_index >= SAMPLE_BUFFER_SIZE) in_sample_index -= SAMPLE_BUFFER_SIZE;
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|
|
|
bit_pos++;
|
|
sample_count = 0;
|
|
}
|
|
|
|
sample = sample_buffer[out_sample_index];
|
|
sample_buffer[out_sample_index] = 0;
|
|
out_sample_index++;
|
|
if (out_sample_index >= SAMPLE_BUFFER_SIZE) out_sample_index = 0;
|
|
|
|
//AM @ 228k/4=57kHz
|
|
switch (mphase) {
|
|
case 0:
|
|
case 2: sample = 0; break;
|
|
case 1: break;
|
|
case 3: sample = -sample; break;
|
|
}
|
|
mphase++;
|
|
if (mphase >= 4) mphase = 0;
|
|
|
|
sample_count++;
|
|
} else {
|
|
s++;
|
|
}
|
|
|
|
//FM
|
|
frq = (sample>>16) * 386760;
|
|
|
|
phase = (phase + frq);
|
|
sphase = phase + (256<<16);
|
|
|
|
re = sintab[(sphase & 0x03FF0000)>>16];
|
|
im = sintab[(phase & 0x03FF0000)>>16];
|
|
|
|
buffer.p[i] = {(int8_t)re,(int8_t)im};
|
|
}
|
|
}
|
|
|
|
private:
|
|
int8_t re, im;
|
|
uint8_t mphase, s;
|
|
uint32_t bit_pos;
|
|
int32_t sample_buffer[SAMPLE_BUFFER_SIZE] = {0};
|
|
int32_t val;
|
|
uint8_t prev_output = 0;
|
|
uint8_t cur_output = 0;
|
|
uint8_t cur_bit = 0;
|
|
int sample_count = SAMPLES_PER_BIT;
|
|
int in_sample_index = 0;
|
|
int32_t sample;
|
|
int out_sample_index = SAMPLE_BUFFER_SIZE-1;
|
|
uint32_t phase, sphase;
|
|
int32_t sig, frq, frq_im, rdsc;
|
|
int32_t k;
|
|
};*/
|
|
|
|
class LCRFSKProcessor : public BasebandProcessor {
|
|
public:
|
|
void execute(buffer_c8_t buffer) override {
|
|
|
|
for (size_t i = 0; i<buffer.count; i++) {
|
|
|
|
//Sample generation 2.28M/10 = 228kHz
|
|
if (s >= 9) {
|
|
s = 0;
|
|
|
|
if (sample_count >= shared_memory.afsk_samples_per_bit) {
|
|
if (shared_memory.afsk_transmit_done == false)
|
|
cur_byte = shared_memory.lcrdata[byte_pos];
|
|
if (!cur_byte) {
|
|
if (shared_memory.afsk_repeat) {
|
|
shared_memory.afsk_repeat--;
|
|
bit_pos = 0;
|
|
byte_pos = 0;
|
|
cur_byte = shared_memory.lcrdata[0];
|
|
if( message.is_free() ) {
|
|
message.n = shared_memory.afsk_repeat;
|
|
shared_memory.application_queue.push(&message);
|
|
}
|
|
} else {
|
|
if( message.is_free() ) {
|
|
message.n = 0;
|
|
shared_memory.afsk_transmit_done = true;
|
|
shared_memory.application_queue.push(&message);
|
|
}
|
|
cur_byte = 0;
|
|
}
|
|
}
|
|
|
|
gbyte = 0;
|
|
gbyte = cur_byte << 1;
|
|
gbyte |= 1;
|
|
|
|
cur_bit = (gbyte >> (9-bit_pos)) & 1;
|
|
|
|
if (bit_pos == 9) {
|
|
bit_pos = 0;
|
|
byte_pos++;
|
|
} else {
|
|
bit_pos++;
|
|
}
|
|
|
|
//aphase = 0x2FFFFFF;
|
|
|
|
sample_count = 0;
|
|
} else {
|
|
sample_count++;
|
|
}
|
|
if (cur_bit)
|
|
aphase += shared_memory.afsk_phase_inc_mark; //(353205)
|
|
else
|
|
aphase += shared_memory.afsk_phase_inc_space; //(647542)
|
|
|
|
sample = sintab[(aphase & 0x03FF0000)>>16];
|
|
} else {
|
|
s++;
|
|
}
|
|
|
|
sample = sintab[(aphase & 0x03FF0000)>>16];
|
|
|
|
//FM
|
|
frq = sample * shared_memory.afsk_fmmod;
|
|
|
|
phase = (phase + frq);
|
|
sphase = phase + (256<<16);
|
|
|
|
re = sintab[(sphase & 0x03FF0000)>>16];
|
|
im = sintab[(phase & 0x03FF0000)>>16];
|
|
|
|
buffer.p[i] = {(int8_t)re,(int8_t)im};
|
|
}
|
|
}
|
|
|
|
private:
|
|
int8_t re, im;
|
|
uint8_t s;
|
|
uint8_t bit_pos, byte_pos = 0;
|
|
char cur_byte = 0;
|
|
uint16_t gbyte;
|
|
uint8_t cur_bit = 0;
|
|
uint32_t sample_count;
|
|
uint32_t aphase, phase, sphase;
|
|
int32_t sample, sig, frq;
|
|
TXDoneMessage message;
|
|
};
|
|
|
|
/*class ToneProcessor : public BasebandProcessor {
|
|
public:
|
|
void execute(buffer_c8_t buffer) override {
|
|
|
|
for (size_t i = 0; i<buffer.count; i++) {
|
|
|
|
//Sample generation 2.28M/10 = 228kHz
|
|
if (s >= 9) {
|
|
s = 0;
|
|
aphase += 353205; // DEBUG
|
|
sample = sintab[(aphase & 0x03FF0000)>>16];
|
|
} else {
|
|
s++;
|
|
}
|
|
|
|
sample = sintab[(aphase & 0x03FF0000)>>16];
|
|
|
|
//FM
|
|
frq = sample * 500; // DEBUG
|
|
|
|
phase = (phase + frq);
|
|
sphase = phase + (256<<16);
|
|
|
|
re = sintab[(sphase & 0x03FF0000)>>16];
|
|
im = sintab[(phase & 0x03FF0000)>>16];
|
|
|
|
buffer.p[i] = {(int8_t)re,(int8_t)im};
|
|
}
|
|
}
|
|
|
|
private:
|
|
int8_t re, im;
|
|
uint8_t s;
|
|
uint32_t sample_count;
|
|
uint32_t aphase, phase, sphase;
|
|
int32_t sample, sig, frq;
|
|
};*/
|
|
|
|
#define POLY_MASK_32 0xB4BCD35C
|
|
|
|
class JammerProcessor : public BasebandProcessor {
|
|
public:
|
|
void execute(buffer_c8_t buffer) override {
|
|
|
|
for (size_t i = 0; i<buffer.count; i++) {
|
|
|
|
/*if (s > 3000000) {
|
|
s = 0;
|
|
feedback = lfsr & 1;
|
|
lfsr >>= 1;
|
|
if (feedback == 1)
|
|
lfsr ^= POLY_MASK_32;
|
|
} else {
|
|
s++;
|
|
}
|
|
|
|
aphase += lfsr;*/
|
|
|
|
/*if (s >= 10) {
|
|
s = 0;
|
|
aphase += 353205; // DEBUG
|
|
} else {
|
|
s++;
|
|
}
|
|
|
|
sample = sintab[(aphase & 0x03FF0000)>>16];*/
|
|
|
|
// Duration timer
|
|
//
|
|
if (s >= 10000) { //shared_memory.jammer_ranges[ir].duration
|
|
s = 0;
|
|
for (;;) {
|
|
ir++;
|
|
if (ir > 15) ir = 0;
|
|
if (shared_memory.jammer_ranges[ir].active == true) break;
|
|
}
|
|
jammer_bw = shared_memory.jammer_ranges[ir].width;
|
|
|
|
if( message.is_free() ) {
|
|
message.freq = shared_memory.jammer_ranges[ir].center;
|
|
shared_memory.application_queue.push(&message);
|
|
}
|
|
} else {
|
|
s++;
|
|
}
|
|
|
|
// Ramp
|
|
/*if (r >= 10) {
|
|
if (sample < 128)
|
|
sample++;
|
|
else
|
|
sample = -127;
|
|
r = 0;
|
|
} else {
|
|
r++;
|
|
}*/
|
|
|
|
// Phase
|
|
if (r >= 70) {
|
|
aphase += ((aphase>>4) ^ 0x4573) << 14;
|
|
r = 0;
|
|
} else {
|
|
r++;
|
|
}
|
|
|
|
aphase += 35320;
|
|
sample = sintab[(aphase & 0x03FF0000)>>16];
|
|
|
|
//FM
|
|
frq = sample * jammer_bw; // Bandwidth
|
|
|
|
//65536 -> 0.6M
|
|
//131072 -> 1.2M
|
|
|
|
phase = (phase + frq);
|
|
sphase = phase + (256<<16);
|
|
|
|
re = sintab[(sphase & 0x03FF0000)>>16];
|
|
im = sintab[(phase & 0x03FF0000)>>16];
|
|
|
|
buffer.p[i] = {(int8_t)re,(int8_t)im};
|
|
}
|
|
}
|
|
|
|
private:
|
|
int32_t lfsr32 = 0xABCDE;
|
|
uint32_t s;
|
|
int8_t r, ir, re, im;
|
|
int64_t jammer_bw, jammer_center;
|
|
int feedback;
|
|
int32_t lfsr;
|
|
uint32_t sample_count;
|
|
uint32_t aphase, phase, sphase;
|
|
int32_t sample, frq;
|
|
RetuneMessage message;
|
|
};
|
|
|
|
static BasebandProcessor* baseband_processor { nullptr };
|
|
static BasebandConfiguration baseband_configuration;
|
|
|
|
static baseband::Direction direction = baseband::Direction::Transmit;
|
|
|
|
static WORKING_AREA(baseband_thread_wa, 8192);
|
|
|
|
static __attribute__((noreturn)) msg_t baseband_fn(void *arg) {
|
|
(void)arg;
|
|
chRegSetThreadName("baseband");
|
|
|
|
BasebandStatsCollector stats;
|
|
BasebandStatisticsMessage message;
|
|
|
|
while(true) {
|
|
if (direction == baseband::Direction::Transmit) {
|
|
const auto buffer_tmp = baseband::dma::wait_for_tx_buffer();
|
|
|
|
const buffer_c8_t buffer {
|
|
buffer_tmp.p, buffer_tmp.count, baseband_configuration.sampling_rate
|
|
};
|
|
|
|
if( baseband_processor ) {
|
|
baseband_processor->execute(buffer);
|
|
}
|
|
|
|
stats.process(buffer,
|
|
[&message](const BasebandStatistics statistics) {
|
|
if( message.is_free() ) {
|
|
message.statistics = statistics;
|
|
shared_memory.application_queue.push(&message);
|
|
}
|
|
}
|
|
);
|
|
} else {
|
|
const auto buffer_tmp = baseband::dma::wait_for_rx_buffer();
|
|
|
|
const buffer_c8_t buffer {
|
|
buffer_tmp.p, buffer_tmp.count, baseband_configuration.sampling_rate
|
|
};
|
|
|
|
if( baseband_processor ) {
|
|
baseband_processor->execute(buffer);
|
|
}
|
|
|
|
stats.process(buffer,
|
|
[&message](const BasebandStatistics statistics) {
|
|
if( message.is_free() ) {
|
|
message.statistics = statistics;
|
|
shared_memory.application_queue.push(&message);
|
|
}
|
|
}
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
static WORKING_AREA(rssi_thread_wa, 128);
|
|
static __attribute__((noreturn)) msg_t rssi_fn(void *arg) {
|
|
(void)arg;
|
|
chRegSetThreadName("rssi");
|
|
|
|
RSSIStatisticsCollector stats;
|
|
RSSIStatisticsMessage message;
|
|
|
|
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, 400000
|
|
};
|
|
|
|
stats.process(
|
|
buffer,
|
|
[&message](const RSSIStatistics statistics) {
|
|
if( message.is_free() ) {
|
|
message.statistics = statistics;
|
|
shared_memory.application_queue.push(&message);
|
|
}
|
|
}
|
|
);
|
|
}
|
|
}
|
|
|
|
=======
|
|
>>>>>>> upstream/master
|
|
extern "C" {
|
|
|
|
void __late_init(void) {
|
|
/*
|
|
* System initializations.
|
|
* - HAL initialization, this also initializes the configured device drivers
|
|
* and performs the board-specific initializations.
|
|
* - Kernel initialization, the main() function becomes a thread and the
|
|
* RTOS is active.
|
|
*/
|
|
halInit();
|
|
|
|
/* After this call, scheduler, systick, heap, etc. are available. */
|
|
/* By doing chSysInit() here, it runs before C++ constructors, which may
|
|
* require the heap.
|
|
*/
|
|
chSysInit();
|
|
}
|
|
|
|
}
|
|
|
|
static BasebandThread baseband_thread;
|
|
static RSSIThread rssi_thread;
|
|
|
|
static void init() {
|
|
i2s::i2s0::configure(
|
|
audio::i2s0_config_tx,
|
|
audio::i2s0_config_rx,
|
|
audio::i2s0_config_dma
|
|
);
|
|
|
|
audio::dma::init();
|
|
audio::dma::configure();
|
|
audio::dma::enable();
|
|
|
|
i2s::i2s0::tx_start();
|
|
i2s::i2s0::rx_start();
|
|
|
|
LPC_CREG->DMAMUX = portapack::gpdma_mux;
|
|
gpdma::controller.enable();
|
|
nvicEnableVector(DMA_IRQn, CORTEX_PRIORITY_MASK(LPC_DMA_IRQ_PRIORITY));
|
|
|
|
baseband::dma::init();
|
|
|
|
rf::rssi::init();
|
|
touch::dma::init();
|
|
|
|
<<<<<<< HEAD
|
|
chThdCreateStatic(baseband_thread_wa, sizeof(baseband_thread_wa),
|
|
baseband_thread_priority, baseband_fn,
|
|
nullptr
|
|
);
|
|
|
|
chThdCreateStatic(rssi_thread_wa, sizeof(rssi_thread_wa),
|
|
rssi_thread_priority, rssi_fn,
|
|
nullptr
|
|
);
|
|
=======
|
|
const auto thread_main = chThdSelf();
|
|
|
|
const auto thread_rssi = rssi_thread.start(NORMALPRIO + 10);
|
|
|
|
baseband_thread.thread_main = thread_main;
|
|
baseband_thread.thread_rssi = thread_rssi;
|
|
|
|
baseband_thread.start(NORMALPRIO + 20);
|
|
}
|
|
|
|
static void shutdown() {
|
|
// TODO: Is this complete?
|
|
|
|
nvicDisableVector(DMA_IRQn);
|
|
|
|
m0apptxevent_interrupt_disable();
|
|
|
|
chSysDisable();
|
|
|
|
systick_stop();
|
|
}
|
|
|
|
static void halt() {
|
|
port_disable();
|
|
while(true) {
|
|
port_wait_for_interrupt();
|
|
}
|
|
>>>>>>> upstream/master
|
|
}
|
|
|
|
class EventDispatcher {
|
|
public:
|
|
MessageHandlerMap& message_handlers() {
|
|
return message_map;
|
|
}
|
|
|
|
void run() {
|
|
while(is_running) {
|
|
const auto events = wait();
|
|
dispatch(events);
|
|
}
|
|
}
|
|
|
|
void request_stop() {
|
|
is_running = false;
|
|
}
|
|
|
|
private:
|
|
MessageHandlerMap message_map;
|
|
|
|
bool is_running = true;
|
|
|
|
eventmask_t wait() {
|
|
return chEvtWaitAny(ALL_EVENTS);
|
|
}
|
|
|
|
void dispatch(const eventmask_t events) {
|
|
if( events & EVT_MASK_BASEBAND ) {
|
|
handle_baseband_queue();
|
|
}
|
|
|
|
if( events & EVT_MASK_SPECTRUM ) {
|
|
handle_spectrum();
|
|
}
|
|
}
|
|
|
|
void handle_baseband_queue() {
|
|
std::array<uint8_t, Message::MAX_SIZE> message_buffer;
|
|
while(Message* const message = shared_memory.baseband_queue.pop(message_buffer)) {
|
|
message_map.send(message);
|
|
}
|
|
}
|
|
|
|
void handle_spectrum() {
|
|
if( baseband_thread.baseband_processor ) {
|
|
baseband_thread.baseband_processor->update_spectrum();
|
|
}
|
|
}
|
|
};
|
|
|
|
<<<<<<< HEAD
|
|
static void m0apptxevent_interrupt_enable() {
|
|
nvicEnableVector(M0CORE_IRQn, CORTEX_PRIORITY_MASK(LPC43XX_M0APPTXEVENT_IRQ_PRIORITY));
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
CH_IRQ_HANDLER(MAPP_IRQHandler) {
|
|
CH_IRQ_PROLOGUE();
|
|
|
|
chSysLockFromIsr();
|
|
events_flag_isr(EVT_MASK_BASEBAND);
|
|
chSysUnlockFromIsr();
|
|
|
|
creg::m0apptxevent::clear();
|
|
|
|
CH_IRQ_EPILOGUE();
|
|
}
|
|
|
|
}
|
|
|
|
std::array<baseband::sample_t, 8192> baseband_buffer;
|
|
=======
|
|
static constexpr auto direction = baseband::Direction::Receive;
|
|
>>>>>>> upstream/master
|
|
|
|
int main(void) {
|
|
init();
|
|
|
|
events_initialize(chThdSelf());
|
|
m0apptxevent_interrupt_enable();
|
|
|
|
EventDispatcher event_dispatcher;
|
|
auto& message_handlers = event_dispatcher.message_handlers();
|
|
|
|
//const auto baseband_buffer = new std::array<baseband::sample_t, 8192>();
|
|
|
|
message_handlers.register_handler(Message::ID::BasebandConfiguration,
|
|
[&message_handlers](const Message* const p) {
|
|
auto message = reinterpret_cast<const BasebandConfigurationMessage*>(p);
|
|
if( message->configuration.mode != baseband_thread.baseband_configuration.mode ) {
|
|
|
|
if( baseband_thread.baseband_processor ) {
|
|
i2s::i2s0::tx_mute();
|
|
baseband::dma::disable();
|
|
rf::rssi::stop();
|
|
}
|
|
|
|
<<<<<<< HEAD
|
|
switch(message->configuration.mode) {
|
|
case 1:
|
|
direction = baseband::Direction::Receive;
|
|
baseband_processor = new NarrowbandAMAudio();
|
|
break;
|
|
|
|
case 2:
|
|
direction = baseband::Direction::Receive;
|
|
baseband_processor = new NarrowbandFMAudio();
|
|
break;
|
|
|
|
case 3:
|
|
direction = baseband::Direction::Receive;
|
|
baseband_processor = new WidebandFMAudio();
|
|
break;
|
|
|
|
case 4:
|
|
direction = baseband::Direction::Receive;
|
|
baseband_processor = new FSKProcessor(message_handlers);
|
|
break;
|
|
|
|
/*case 15:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_processor = new RDSProcessor();
|
|
break;*/
|
|
|
|
case 16:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_processor = new LCRFSKProcessor();
|
|
break;
|
|
|
|
/*case 17:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_processor = new ToneProcessor();
|
|
break;*/
|
|
|
|
case 18:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_processor = new JammerProcessor();
|
|
break;
|
|
=======
|
|
// TODO: Timing problem around disabling DMA and nulling and deleting old processor
|
|
auto old_p = baseband_thread.baseband_processor;
|
|
baseband_thread.baseband_processor = nullptr;
|
|
delete old_p;
|
|
|
|
switch(message->configuration.mode) {
|
|
case 0:
|
|
baseband_thread.baseband_processor = new NarrowbandAMAudio();
|
|
break;
|
|
|
|
case 1:
|
|
baseband_thread.baseband_processor = new NarrowbandFMAudio();
|
|
break;
|
|
|
|
case 2:
|
|
baseband_thread.baseband_processor = new WidebandFMAudio();
|
|
break;
|
|
>>>>>>> upstream/master
|
|
|
|
case 3:
|
|
baseband_thread.baseband_processor = new AISProcessor();
|
|
break;
|
|
|
|
case 4:
|
|
baseband_thread.baseband_processor = new WidebandSpectrum();
|
|
break;
|
|
|
|
case 5:
|
|
baseband_thread.baseband_processor = new TPMSProcessor();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if( baseband_thread.baseband_processor ) {
|
|
if( direction == baseband::Direction::Receive ) {
|
|
rf::rssi::start();
|
|
}
|
|
baseband::dma::enable(direction);
|
|
}
|
|
}
|
|
|
|
baseband_thread.baseband_configuration = message->configuration;
|
|
}
|
|
<<<<<<< HEAD
|
|
|
|
baseband::dma::configure(
|
|
baseband_buffer.data(),
|
|
direction
|
|
);
|
|
=======
|
|
);
|
|
>>>>>>> upstream/master
|
|
|
|
message_handlers.register_handler(Message::ID::Shutdown,
|
|
[&event_dispatcher](const Message* const) {
|
|
event_dispatcher.request_stop();
|
|
}
|
|
);
|
|
|
|
/* TODO: Ensure DMAs are configured to point at first LLI in chain. */
|
|
|
|
rf::rssi::dma::allocate(4, 400);
|
|
|
|
touch::dma::allocate();
|
|
touch::dma::enable();
|
|
|
|
baseband::dma::configure(
|
|
baseband_buffer.data(),
|
|
direction
|
|
);
|
|
//baseband::dma::allocate(4, 2048);d
|
|
|
|
event_dispatcher.run();
|
|
|
|
shutdown();
|
|
|
|
ShutdownMessage shutdown_message;
|
|
shared_memory.application_queue.push(shutdown_message);
|
|
|
|
halt();
|
|
|
|
return 0;
|
|
}
|