mayhem-firmware/firmware/application/event_m0.hpp

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/*
* Copyright (C) 2015 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.
*/
#ifndef __EVENT_M0_H__
#define __EVENT_M0_H__
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#include "event.hpp"
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#include "ui_widget.hpp"
#include "ui_painter.hpp"
#include "portapack.hpp"
#include "portapack_shared_memory.hpp"
#include "message.hpp"
#include "touch.hpp"
#include "ch.h"
#include <cstdint>
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constexpr auto EVT_MASK_SWITCHES = EVENT_MASK(3);
constexpr auto EVT_MASK_ENCODER = EVENT_MASK(4);
constexpr auto EVT_MASK_TOUCH = EVENT_MASK(5);
class EventDispatcher {
public:
EventDispatcher(
ui::Widget* const top_widget,
ui::Context& context
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);
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void run();
void request_stop();
void set_display_sleep(const bool sleep);
static inline void check_fifo_isr() {
if( !shared_memory.application_queue.is_empty() ) {
events_flag_isr(EVT_MASK_APPLICATION);
}
}
static inline void event_isr_rtc_tick() {
events_flag_isr(EVT_MASK_RTC_TICK);
}
static inline void event_isr_lcd_frame_sync() {
events_flag_isr(EVT_MASK_LCD_FRAME_SYNC);
}
static inline void events_flag(const eventmask_t events) {
if( thread_event_loop ) {
chEvtSignal(thread_event_loop, events);
}
}
static inline void events_flag_isr(const eventmask_t events) {
if( thread_event_loop ) {
chEvtSignalI(thread_event_loop, events);
}
}
template<typename T>
static void send_message(T& message) {
shared_memory.app_local_queue.push(message);
events_flag_isr(EVT_MASK_LOCAL);
}
private:
static constexpr auto EVT_MASK_RTC_TICK = EVENT_MASK(0);
static constexpr auto EVT_MASK_LCD_FRAME_SYNC = EVENT_MASK(1);
static constexpr auto EVT_MASK_APPLICATION = EVENT_MASK(6);
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static constexpr auto EVT_MASK_LOCAL = EVENT_MASK(7);
static Thread* thread_event_loop;
touch::Manager touch_manager;
ui::Widget* const top_widget;
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ui::Painter painter;
ui::Context& context;
uint32_t encoder_last = 0;
bool is_running = true;
bool sd_card_present = false;
bool display_sleep = false;
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eventmask_t wait();
void dispatch(const eventmask_t events);
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void handle_application_queue();
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void handle_local_queue();
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void handle_rtc_tick();
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static ui::Widget* touch_widget(ui::Widget* const w, ui::TouchEvent event);
ui::Widget* captured_widget { nullptr };
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void on_touch_event(ui::TouchEvent event);
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void handle_lcd_frame_sync();
void handle_switches();
void handle_encoder();
void handle_touch();
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bool event_bubble_key(const ui::KeyEvent event);
void event_bubble_encoder(const ui::EncoderEvent event);
void init_message_queues();
};
class MessageHandlerRegistration {
public:
MessageHandlerRegistration(
const Message::ID message_id,
std::function<void(Message* const p)>&& callback
);
~MessageHandlerRegistration();
private:
const Message::ID message_id;
};
#endif/*__EVENT_M0_H__*/