mayhem-firmware/firmware/baseband/main.cpp

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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ch.h"
#include "lpc43xx_cpp.hpp"
#include "portapack_shared_memory.hpp"
#include "portapack_dma.hpp"
#include "gpdma.hpp"
#include "event_m4.hpp"
#include "touch_dma.hpp"
#include "baseband_thread.hpp"
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#include "rssi_thread.hpp"
#include "baseband_processor.hpp"
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#include "message_queue.hpp"
#include "utility.hpp"
#include "debug.hpp"
#include "audio.hpp"
#include "audio_dma.hpp"
#include "gcc.hpp"
#include <cstdint>
#include <cstddef>
#include <array>
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();
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/* 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 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));
touch::dma::init();
touch::dma::allocate();
touch::dma::enable();
}
static void halt() {
port_disable();
while(true) {
port_wait_for_interrupt();
}
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}
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static void shutdown() {
// TODO: Is this complete?
nvicDisableVector(DMA_IRQn);
chSysDisable();
systick_stop();
ShutdownMessage shutdown_message;
shared_memory.application_queue.push(shutdown_message);
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halt();
}
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int main(void) {
init();
/* TODO: Ensure DMAs are configured to point at first LLI in chain. */
EventDispatcher event_dispatcher;
event_dispatcher.run();
shutdown();
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return 0;
}