portapack-mayhem/firmware/application/event_m0.cpp

458 lines
12 KiB
C++

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