mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-04 23:45:26 +00:00
469 lines
13 KiB
C++
469 lines
13 KiB
C++
/*
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* Copyright (C) 2015 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 "event_m0.hpp"
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#include "portapack.hpp"
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#include "portapack_persistent_memory.hpp"
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#include "debug.hpp"
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#include "sd_card.hpp"
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#include "rtc_time.hpp"
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#include "message.hpp"
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#include "message_queue.hpp"
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#include "irq_controls.hpp"
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#include "buffer_exchange.hpp"
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#include "ch.h"
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#include "lpc43xx_cpp.hpp"
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using namespace lpc43xx;
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#include <array>
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#include "ui_navigation.hpp"
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static int delayed_error = 0;
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extern "C" {
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CH_IRQ_HANDLER(M4Core_IRQHandler) {
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CH_IRQ_PROLOGUE();
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chSysLockFromIsr();
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BufferExchange::handle_isr();
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EventDispatcher::check_fifo_isr();
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chSysUnlockFromIsr();
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creg::m4txevent::clear();
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CH_IRQ_EPILOGUE();
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}
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}
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class MessageHandlerMap {
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public:
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using MessageHandler = std::function<void(Message* const p)>;
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void register_handler(const Message::ID id, MessageHandler&& handler) {
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if (map_[toUType(id)] != nullptr) {
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chDbgPanic("MsgDblReg");
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}
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map_[toUType(id)] = std::move(handler);
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}
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void unregister_handler(const Message::ID id) {
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map_[toUType(id)] = nullptr;
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}
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void send(Message* const message) {
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if (message->id < Message::ID::MAX) {
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auto& fn = map_[toUType(message->id)];
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if (fn) {
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fn(message);
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}
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}
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}
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private:
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using MapType = std::array<MessageHandler, toUType(Message::ID::MAX)>;
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MapType map_{};
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};
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static MessageHandlerMap message_map;
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Thread* EventDispatcher::thread_event_loop = nullptr;
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bool EventDispatcher::is_running = false;
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bool EventDispatcher::display_sleep = false;
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EventDispatcher::EventDispatcher(
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ui::Widget* const top_widget,
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ui::Context& context)
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: top_widget{top_widget},
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painter{},
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context(context) {
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init_message_queues();
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thread_event_loop = chThdSelf();
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is_running = true;
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touch_manager.on_event = [this](const ui::TouchEvent event) {
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this->on_touch_event(event);
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};
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}
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void EventDispatcher::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 EventDispatcher::request_stop() {
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is_running = false;
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}
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void EventDispatcher::set_display_sleep(const bool sleep) {
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// TODO: Distribute display sleep message more broadly, shut down data generation
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// on baseband side, since all that data is being discarded during sleep.
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if (sleep) {
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portapack::backlight()->off();
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portapack::display.sleep();
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} else {
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portapack::display.wake();
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// Don't turn on backlight here.
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// Let frame sync handler turn on backlight after repaint.
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}
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EventDispatcher::display_sleep = sleep;
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};
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eventmask_t EventDispatcher::wait() {
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return chEvtWaitAny(ALL_EVENTS);
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}
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void EventDispatcher::dispatch(const eventmask_t events) {
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if (shared_memory.m4_panic_msg[0] != 0) {
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if (shared_memory.bb_data.data[0] == 0)
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draw_guru_meditation(CORTEX_M4, shared_memory.m4_panic_msg);
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else
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draw_guru_meditation(
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CORTEX_M4,
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shared_memory.m4_panic_msg,
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(struct extctx*)&shared_memory.bb_data.data[8],
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*(uint32_t*)&shared_memory.bb_data.data[4]);
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}
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handle_shell();
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if (events & EVT_MASK_APPLICATION) {
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handle_application_queue();
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}
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if (events & EVT_MASK_LOCAL) {
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handle_local_queue();
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}
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if (events & EVT_MASK_RTC_TICK) {
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// delay error message by 2 seconds to wait for LCD being ready
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if (portapack::init_error != nullptr && ++delayed_error > 1)
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draw_guru_meditation(CORTEX_M4, portapack::init_error);
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handle_rtc_tick();
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}
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handle_usb_transfer();
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handle_usb();
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if (events & EVT_MASK_SWITCHES) {
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handle_switches();
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}
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/*if( events & EVT_MASK_LCD_FRAME_SYNC ) {
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blink_timer();
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}*/
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if (!EventDispatcher::display_sleep) {
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if (events & EVT_MASK_LCD_FRAME_SYNC) {
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handle_lcd_frame_sync();
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}
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if (events & EVT_MASK_ENCODER) {
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handle_encoder();
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}
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if (events & EVT_MASK_TOUCH) {
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handle_touch();
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}
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}
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}
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void EventDispatcher::handle_application_queue() {
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shared_memory.application_queue.handle([](Message* const message) {
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message_map.send(message);
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});
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}
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void EventDispatcher::handle_local_queue() {
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shared_memory.app_local_queue.handle([](Message* const message) {
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message_map.send(message);
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});
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}
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void EventDispatcher::handle_rtc_tick() {
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sd_card::poll_inserted();
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portapack::temperature_logger.second_tick();
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const auto backlight_timer = portapack::persistent_memory::config_backlight_timer();
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if (backlight_timer.timeout_enabled()) {
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if (portapack::bl_tick_counter == backlight_timer.timeout_seconds())
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set_display_sleep(true);
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else
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portapack::bl_tick_counter++;
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}
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rtc_time::on_tick_second();
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portapack::persistent_memory::cache::persist();
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}
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void EventDispatcher::handle_usb() {
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portapack::usb_serial.dispatch();
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}
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void EventDispatcher::handle_usb_transfer() {
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portapack::usb_serial.dispatch_transfer();
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}
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void EventDispatcher::handle_shell() {
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if (waiting_for_shellmode) {
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waiting_for_shellmode = false;
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shellmode_active = true;
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while (shellmode_active) {
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chThdSleepMilliseconds(5);
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}
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}
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if (injected_touch_event != nullptr) {
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on_touch_event(*injected_touch_event);
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injected_touch_event = nullptr;
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}
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if (injected_keyboard_event != nullptr) {
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on_keyboard_event(*injected_keyboard_event);
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injected_keyboard_event = nullptr;
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}
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}
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ui::Widget* EventDispatcher::touch_widget(ui::Widget* const w, ui::TouchEvent event) {
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if (!w->hidden()) {
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// To achieve reverse depth ordering (last object drawn is
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// considered "top"), descend first.
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for (const auto child : w->children()) {
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const auto touched_widget = touch_widget(child, event);
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if (touched_widget) {
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return touched_widget;
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}
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}
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const auto r = w->screen_rect();
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if (r.contains(event.point)) {
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if (w->on_touch(event)) {
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// This widget responded. Return it up the call stack.
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return w;
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}
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}
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}
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return nullptr;
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}
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void EventDispatcher::emulateTouch(ui::TouchEvent event) {
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injected_touch_event = &event;
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while (injected_touch_event != nullptr) {
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chThdSleepMilliseconds(5);
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}
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injected_touch_event = nullptr; // to clean event_mo.cpp, compile warning error : "storing the address of local variable 'event' in 'this_4(D)->injected_touch_event' [-Wdangling-pointer=]"
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}
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void EventDispatcher::emulateKeyboard(ui::KeyboardEvent event) {
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injected_keyboard_event = &event;
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while (injected_keyboard_event != nullptr) {
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chThdSleepMilliseconds(5);
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}
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injected_keyboard_event = nullptr; // to clean event_mo.cpp, compile warning error : "storing the address of local variable 'event' in 'this_4(D)->injected_keyboard_event' [-Wdangling-pointer=]"
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}
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void EventDispatcher::on_keyboard_event(ui::KeyboardEvent event) {
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// send the key to focused widget, or parent if not accepts it
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auto target = context.focus_manager().focus_widget();
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while ((target != nullptr) && !target->on_keyboard(event)) {
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target = target->parent();
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}
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}
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void EventDispatcher::on_touch_event(ui::TouchEvent event) {
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/* TODO: Capture widget receiving the Start event, send Move and
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* End events to the same widget.
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*/
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/* Capture Start widget.
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* If touch is over Start widget at Move event, then the widget
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* should be highlighted. If the touch is not over the Start
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* widget at Move event, widget should un-highlight.
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* If touch is over Start widget at End event, then the widget
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* action should occur.
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*/
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if (event.type == ui::TouchEvent::Type::Start) {
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captured_widget = touch_widget(this->top_widget, event);
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}
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if (captured_widget) {
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captured_widget->on_touch(event);
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}
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}
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ui::Widget* EventDispatcher::getTopWidget() {
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return top_widget;
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}
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ui::Widget* EventDispatcher::getFocusedWidget() {
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return context.focus_manager().focus_widget();
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}
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void EventDispatcher::handle_lcd_frame_sync() {
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bool waiting_for_frame = this->waiting_for_frame;
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DisplayFrameSyncMessage message;
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message_map.send(&message);
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static_cast<ui::SystemView*>(top_widget)->paint_overlay();
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painter.paint_widget_tree(top_widget);
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portapack::backlight()->on();
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if (waiting_for_frame)
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this->waiting_for_frame = false;
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}
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void EventDispatcher::wait_finish_frame() {
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waiting_for_frame = true;
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while (waiting_for_frame) {
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chThdSleepMilliseconds(5);
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}
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}
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void EventDispatcher::enter_shell_working_mode() {
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waiting_for_shellmode = true;
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while (waiting_for_shellmode) {
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chThdSleepMilliseconds(5);
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}
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}
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void EventDispatcher::exit_shell_working_mode() {
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shellmode_active = false;
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}
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void EventDispatcher::handle_switches() {
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const auto switches_state = get_switches_state();
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portapack::bl_tick_counter = 0;
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if (switches_state.count() == 0) {
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// If all keys are released, we are no longer in a key event.
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in_key_event = false;
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}
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if (in_key_event) {
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if (switches_state[(size_t)ui::KeyEvent::Left] && switches_state[(size_t)ui::KeyEvent::Up]) {
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const auto event = static_cast<ui::KeyEvent>(ui::KeyEvent::Back);
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context.focus_manager().update(top_widget, event);
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}
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// If we're in a key event, return. We will ignore all additional key
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// presses until the first key is released. We also want to ignore events
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// where the last key held generates a key event when other pressed keys
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// are released.
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return;
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}
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if (EventDispatcher::display_sleep) {
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// Swallow event, wake up display.
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if (switches_state.any()) {
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set_display_sleep(false);
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}
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return;
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}
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for (size_t i = 0; i < switches_state.size(); i++) {
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// TODO: Ignore multiple keys at the same time?
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if (switches_state[i]) {
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const auto event = static_cast<ui::KeyEvent>(i);
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if (!event_bubble_key(event)) {
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if (switches_state[(size_t)ui::KeyEvent::Dfu]) {
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static_cast<ui::SystemView*>(top_widget)->toggle_overlay();
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} else {
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context.focus_manager().update(top_widget, event);
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}
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}
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in_key_event = true;
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}
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}
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}
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void EventDispatcher::handle_encoder() {
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portapack::bl_tick_counter = 0;
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if (EventDispatcher::display_sleep) {
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// Swallow event, wake up display.
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set_display_sleep(false);
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return;
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}
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const uint32_t encoder_now = get_encoder_position();
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const int32_t delta = static_cast<int32_t>(encoder_now - encoder_last);
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if (delta == 0)
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return;
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encoder_last = encoder_now;
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const auto event = static_cast<ui::EncoderEvent>(delta);
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event_bubble_encoder(event);
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}
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void EventDispatcher::handle_touch() {
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portapack::bl_tick_counter = 0;
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touch_manager.feed(get_touch_frame());
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}
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bool EventDispatcher::event_bubble_key(const ui::KeyEvent event) {
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auto target = context.focus_manager().focus_widget();
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while ((target != nullptr) && !target->on_key(event)) {
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target = target->parent();
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}
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/* Return true if event was consumed. */
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return (target != nullptr);
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}
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void EventDispatcher::event_bubble_encoder(const ui::EncoderEvent event) {
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auto target = context.focus_manager().focus_widget();
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while ((target != nullptr) && !target->on_encoder(event)) {
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target = target->parent();
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}
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}
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void EventDispatcher::init_message_queues() {
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new (&shared_memory) SharedMemory;
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}
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MessageHandlerRegistration::MessageHandlerRegistration(
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const Message::ID message_id,
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MessageHandlerMap::MessageHandler&& callback)
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: message_id{message_id} {
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message_map.register_handler(message_id, std::move(callback));
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}
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MessageHandlerRegistration::~MessageHandlerRegistration() {
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message_map.unregister_handler(message_id);
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}
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