2015-07-17 17:55:54 +00:00
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/*
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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 "event_m4.hpp"
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2015-08-21 03:39:08 +00:00
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#include "irq_ipc_m4.hpp"
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2015-07-17 17:55:54 +00:00
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#include "touch_dma.hpp"
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2015-12-10 23:53:54 +00:00
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#include "baseband_thread.hpp"
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2015-12-11 00:03:22 +00:00
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#include "rssi_thread.hpp"
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2015-08-27 18:11:08 +00:00
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#include "baseband_processor.hpp"
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2015-08-27 16:49:14 +00:00
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2015-07-17 17:55:54 +00:00
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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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extern "C" {
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void __late_init(void) {
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2015-08-14 19:20:45 +00:00
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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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2015-07-17 17:55:54 +00:00
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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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2015-11-11 18:53:37 +00:00
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static BasebandThread baseband_thread;
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static RSSIThread rssi_thread;
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2015-11-11 18:02:06 +00:00
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2015-07-17 17:55:54 +00:00
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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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touch::dma::init();
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}
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2015-08-21 03:40:46 +00:00
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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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2015-12-11 01:19:18 +00:00
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ShutdownMessage shutdown_message;
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shared_memory.application_queue.push(shutdown_message);
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2015-08-21 03:40:46 +00:00
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}
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2015-09-01 20:49:09 +00:00
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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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2015-07-17 17:55:54 +00:00
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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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2015-08-21 00:56:19 +00:00
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void run() {
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2015-12-11 01:10:28 +00:00
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message_map.register_handler(Message::ID::BasebandConfiguration,
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[](const Message* const p) {
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auto message = reinterpret_cast<const BasebandConfigurationMessage*>(p);
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baseband_thread.set_configuration(message->configuration);
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}
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);
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message_map.register_handler(Message::ID::Shutdown,
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[this](const Message* const) {
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this->request_stop();
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}
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);
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baseband_thread.thread_main = chThdSelf();
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baseband_thread.thread_rssi = rssi_thread.start(NORMALPRIO + 10);
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baseband_thread.start(NORMALPRIO + 20);
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2015-08-21 00:56:19 +00:00
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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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2015-08-21 00:57:59 +00:00
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private:
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MessageHandlerMap message_map;
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bool is_running = true;
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2015-07-17 17:55:54 +00:00
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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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2015-08-27 21:35:17 +00:00
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std::array<uint8_t, Message::MAX_SIZE> message_buffer;
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2015-09-26 18:48:30 +00:00
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while(Message* const message = shared_memory.baseband_queue.pop(message_buffer)) {
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2015-08-27 21:35:17 +00:00
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message_map.send(message);
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2015-07-17 17:55:54 +00:00
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}
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}
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void handle_spectrum() {
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2015-11-11 18:53:37 +00:00
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if( baseband_thread.baseband_processor ) {
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baseband_thread.baseband_processor->update_spectrum();
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2015-07-17 17:55:54 +00:00
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}
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}
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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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/* TODO: Ensure DMAs are configured to point at first LLI in chain. */
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touch::dma::allocate();
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touch::dma::enable();
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2015-12-11 01:20:10 +00:00
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EventDispatcher event_dispatcher;
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2015-08-21 00:56:19 +00:00
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event_dispatcher.run();
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2015-08-21 01:03:49 +00:00
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shutdown();
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2015-09-01 20:49:09 +00:00
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halt();
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2015-07-17 17:55:54 +00:00
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return 0;
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}
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