mayhem-firmware/firmware/baseband/main.cpp

211 lines
4.3 KiB
C++
Raw Normal View History

2015-07-17 17:55:54 +00:00
/*
* 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 "test.h"
#include "lpc43xx_cpp.hpp"
#include "portapack_shared_memory.hpp"
#include "portapack_dma.hpp"
#include "gpdma.hpp"
#include "event_m4.hpp"
#include "irq_ipc_m4.hpp"
2015-07-17 17:55:54 +00:00
#include "touch_dma.hpp"
#include "baseband_thread.hpp"
2015-12-11 00:03:22 +00:00
#include "rssi_thread.hpp"
#include "baseband_processor.hpp"
2015-07-17 17:55:54 +00:00
#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();
2015-07-17 17:55:54 +00:00
/* 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;
2015-07-17 17:55:54 +00:00
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();
}
2015-08-21 03:40:46 +00:00
static void shutdown() {
// TODO: Is this complete?
nvicDisableVector(DMA_IRQn);
m0apptxevent_interrupt_disable();
chSysDisable();
systick_stop();
ShutdownMessage shutdown_message;
shared_memory.application_queue.push(shutdown_message);
2015-08-21 03:40:46 +00:00
}
static void halt() {
port_disable();
while(true) {
port_wait_for_interrupt();
}
}
2015-07-17 17:55:54 +00:00
class EventDispatcher {
public:
MessageHandlerMap& message_handlers() {
return message_map;
}
void run() {
message_map.register_handler(Message::ID::BasebandConfiguration,
[](const Message* const p) {
auto message = reinterpret_cast<const BasebandConfigurationMessage*>(p);
baseband_thread.set_configuration(message->configuration);
}
);
message_map.register_handler(Message::ID::Shutdown,
[this](const Message* const) {
this->request_stop();
}
);
baseband_thread.thread_main = chThdSelf();
baseband_thread.thread_rssi = rssi_thread.start(NORMALPRIO + 10);
baseband_thread.start(NORMALPRIO + 20);
while(is_running) {
const auto events = wait();
dispatch(events);
}
}
void request_stop() {
is_running = false;
}
private:
MessageHandlerMap message_map;
bool is_running = true;
2015-07-17 17:55:54 +00:00
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() {
2015-08-27 21:35:17 +00:00
std::array<uint8_t, Message::MAX_SIZE> message_buffer;
while(Message* const message = shared_memory.baseband_queue.pop(message_buffer)) {
2015-08-27 21:35:17 +00:00
message_map.send(message);
2015-07-17 17:55:54 +00:00
}
}
void handle_spectrum() {
if( baseband_thread.baseband_processor ) {
baseband_thread.baseband_processor->update_spectrum();
2015-07-17 17:55:54 +00:00
}
}
};
int main(void) {
init();
events_initialize(chThdSelf());
m0apptxevent_interrupt_enable();
/* TODO: Ensure DMAs are configured to point at first LLI in chain. */
touch::dma::allocate();
touch::dma::enable();
EventDispatcher event_dispatcher;
event_dispatcher.run();
shutdown();
halt();
2015-07-17 17:55:54 +00:00
return 0;
}