mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 20:18:13 +00:00
107c212d88
Paved road for talking Xylos RX and logger Added test button for Xylos TX Fixed jammer crashing after loading second time
613 lines
15 KiB
C++
Executable File
613 lines
15 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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* 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 "touch_dma.hpp"
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#include "modules.h"
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#include "dsp_decimate.hpp"
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#include "dsp_demodulate.hpp"
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#include "dsp_fft.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 "channel_decimator.hpp"
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#include "baseband_processor.hpp"
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#include "proc_fsk_lcr.hpp"
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#include "proc_jammer.hpp"
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#include "proc_xylos.hpp"
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#include "proc_playaudio.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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static baseband::Direction direction = baseband::Direction::Receive;
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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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Thread* thread_main { nullptr };
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BasebandProcessor* baseband_processor { nullptr };
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BasebandConfiguration baseband_configuration;
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private:
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WORKING_AREA(wa, 2048);
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void run() override {
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while(true) {
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if (direction == baseband::Direction::Transmit) {
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const auto buffer_tmp = baseband::dma::wait_for_tx_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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} else {
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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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}
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}
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}
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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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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++;
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sample_count = 0;
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}
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sample = sample_buffer[out_sample_index];
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sample_buffer[out_sample_index] = 0;
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out_sample_index++;
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if (out_sample_index >= SAMPLE_BUFFER_SIZE) out_sample_index = 0;
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//AM @ 228k/4=57kHz
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switch (mphase) {
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case 0:
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case 2: sample = 0; break;
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case 1: break;
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case 3: sample = -sample; break;
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}
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mphase++;
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if (mphase >= 4) mphase = 0;
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sample_count++;
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} else {
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s++;
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}
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//FM
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frq = (sample>>16) * 386760;
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phase = (phase + frq);
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sphase = phase + (256<<16);
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//re = sintab[(sphase & 0x03FF0000)>>16];
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//im = sintab[(phase & 0x03FF0000)>>16];
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buffer.p[i] = {(int8_t)re,(int8_t)im};
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}
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}
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private:
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int8_t re, im;
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uint8_t mphase, s;
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uint32_t bit_pos;
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int32_t sample_buffer[SAMPLE_BUFFER_SIZE] = {0};
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int32_t val;
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uint8_t prev_output = 0;
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uint8_t cur_output = 0;
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uint8_t cur_bit = 0;
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int sample_count = SAMPLES_PER_BIT;
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int in_sample_index = 0;
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int32_t sample;
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int out_sample_index = SAMPLE_BUFFER_SIZE-1;
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uint32_t phase, sphase;
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int32_t sig, frq, frq_im, rdsc;
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int32_t k;
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};
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class ToneProcessor : 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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aphase += 353205; // DEBUG
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//sample = sintab[(aphase & 0x03FF0000)>>16];
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} else {
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s++;
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}
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//sample = sintab[(aphase & 0x03FF0000)>>16];
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//FM
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frq = sample * 500; // DEBUG
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phase = (phase + frq);
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sphase = phase + (256<<16);
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//re = sintab[(sphase & 0x03FF0000)>>16];
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//im = sintab[(phase & 0x03FF0000)>>16];
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buffer.p[i] = {(int8_t)re,(int8_t)im};
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}
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}
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private:
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int8_t re, im;
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uint8_t s;
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uint32_t sample_count;
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uint32_t aphase, phase, sphase;
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int32_t sample, sig, frq;
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};
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extern "C" {
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void __late_init(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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/* After this call, scheduler, systick, heap, etc. are available. */
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/* By doing chSysInit() here, it runs before C++ constructors, which may
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* require the heap.
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*/
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chSysInit();
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}
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}
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static BasebandThread baseband_thread;
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static void init() {
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i2s::i2s0::configure(
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audio::i2s0_config_tx,
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audio::i2s0_config_rx,
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audio::i2s0_config_dma
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);
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audio::dma::init();
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audio::dma::configure();
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audio::dma::enable();
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i2s::i2s0::tx_start();
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i2s::i2s0::rx_start();
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LPC_CREG->DMAMUX = portapack::gpdma_mux;
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gpdma::controller.enable();
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nvicEnableVector(DMA_IRQn, CORTEX_PRIORITY_MASK(LPC_DMA_IRQ_PRIORITY));
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baseband::dma::init();
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touch::dma::init();
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const auto thread_main = chThdSelf();
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baseband_thread.thread_main = thread_main;
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baseband_thread.start(NORMALPRIO + 20);
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}
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static void shutdown() {
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// TODO: Is this complete?
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nvicDisableVector(DMA_IRQn);
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m0apptxevent_interrupt_disable();
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chSysDisable();
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systick_stop();
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}
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static void halt() {
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port_disable();
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while(true) {
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port_wait_for_interrupt();
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}
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}
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class EventDispatcher {
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public:
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MessageHandlerMap& message_handlers() {
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return message_map;
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}
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void run() {
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while(is_running) {
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const auto events = wait();
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dispatch(events);
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}
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}
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void request_stop() {
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is_running = false;
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}
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private:
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MessageHandlerMap message_map;
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bool is_running = true;
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eventmask_t wait() {
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return chEvtWaitAny(ALL_EVENTS);
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}
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void dispatch(const eventmask_t events) {
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if( events & EVT_MASK_BASEBAND ) {
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handle_baseband_queue();
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}
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if( events & EVT_MASK_SPECTRUM ) {
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handle_spectrum();
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}
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}
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void handle_baseband_queue() {
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std::array<uint8_t, Message::MAX_SIZE> message_buffer;
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while(Message* const message = shared_memory.baseband_queue.pop(message_buffer)) {
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message_map.send(message);
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}
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}
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void handle_spectrum() {
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if( baseband_thread.baseband_processor ) {
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baseband_thread.baseband_processor->update_spectrum();
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}
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}
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};
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const auto baseband_buffer =
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new std::array<baseband::sample_t, 8192>();
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char ram_loop[32];
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typedef int (*fn_ptr)(void);
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fn_ptr loop_ptr;
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void ram_loop_fn(void) {
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while(1) {}
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}
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void wait_for_switch(void) {
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memcpy(&ram_loop[0], reinterpret_cast<char*>(&ram_loop_fn), 32);
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loop_ptr = reinterpret_cast<fn_ptr>(&ram_loop[0]);
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ReadyForSwitchMessage message;
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shared_memory.application_queue.push(message);
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(*loop_ptr)();
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}
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int main(void) {
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init();
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events_initialize(chThdSelf());
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m0apptxevent_interrupt_enable();
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EventDispatcher event_dispatcher;
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auto& message_handlers = event_dispatcher.message_handlers();
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message_handlers.register_handler(Message::ID::ModuleID,
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[](Message* p) {
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ModuleIDMessage reply;
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auto message = static_cast<ModuleIDMessage*>(p);
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if (message->query == true) { // Shouldn't be needed
|
|
memcpy(reply.md5_signature, (const void *)(0x10087FF0), 16);
|
|
reply.query = false;
|
|
shared_memory.application_queue.push(reply);
|
|
}
|
|
}
|
|
);
|
|
|
|
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();
|
|
}
|
|
|
|
// 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 TX_RDS:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_thread.baseband_processor = new RDSProcessor();
|
|
break;
|
|
|
|
case TX_LCR:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_thread.baseband_processor = new LCRFSKProcessor();
|
|
break;
|
|
|
|
case TX_TONE:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_thread.baseband_processor = new ToneProcessor();
|
|
break;
|
|
|
|
case TX_JAMMER:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_thread.baseband_processor = new JammerProcessor();
|
|
break;
|
|
|
|
case TX_XYLOS:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_thread.baseband_processor = new XylosProcessor();
|
|
break;
|
|
|
|
case PLAY_AUDIO:
|
|
direction = baseband::Direction::Transmit;
|
|
baseband_thread.baseband_processor = new PlayAudioProcessor();
|
|
message_handlers.register_handler(Message::ID::FIFOData,
|
|
[](Message* p) {
|
|
auto message = static_cast<FIFODataMessage*>(p);
|
|
baseband_thread.baseband_processor->fill_buffer(message->data);
|
|
}
|
|
);
|
|
break;
|
|
|
|
case SWITCH:
|
|
wait_for_switch();
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if( baseband_thread.baseband_processor )
|
|
baseband::dma::enable(direction);
|
|
}
|
|
|
|
baseband::dma::configure(
|
|
baseband_buffer->data(),
|
|
direction
|
|
);
|
|
|
|
baseband_thread.baseband_configuration = message->configuration;
|
|
}
|
|
);
|
|
|
|
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. */
|
|
|
|
touch::dma::allocate();
|
|
touch::dma::enable();
|
|
|
|
baseband::dma::configure(
|
|
baseband_buffer->data(),
|
|
direction
|
|
);
|
|
|
|
//baseband::dma::allocate(4, 2048);
|
|
|
|
event_dispatcher.run();
|
|
|
|
shutdown();
|
|
|
|
ShutdownMessage shutdown_message;
|
|
shared_memory.application_queue.push(shutdown_message);
|
|
|
|
halt();
|
|
|
|
return 0;
|
|
}
|