mayhem-firmware/firmware/application/main.cpp
2015-08-14 21:58:54 -07:00

260 lines
5.9 KiB
C++
Executable File

/*
* 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 "portapack.hpp"
#include "portapack_shared_memory.hpp"
#include "cpld_update.hpp"
#include "message_queue.hpp"
#include "ui.hpp"
#include "ui_widget.hpp"
#include "ui_painter.hpp"
#include "ui_navigation.hpp"
#include "irq_ipc.hpp"
#include "irq_lcd_frame.hpp"
#include "irq_controls.hpp"
#include "irq_rtc.hpp"
#include "event.hpp"
#include "m4_startup.hpp"
#include "spi_image.hpp"
#include "debug.hpp"
#include "led.hpp"
#include "gcc.hpp"
#include <string.h>
class EventDispatcher {
public:
EventDispatcher(
ui::Widget* const top_widget,
ui::Painter& painter,
ui::Context& context
) : top_widget { top_widget },
painter(painter),
context(context)
{
touch_manager.on_event = [this](const ui::TouchEvent event) {
this->on_touch_event(event);
};
}
eventmask_t wait() {
return chEvtWaitAny(ALL_EVENTS);
}
void dispatch(const eventmask_t events) {
if( events & EVT_MASK_APPLICATION ) {
handle_application_queue();
}
if( events & EVT_MASK_RTC_TICK ) {
handle_rtc_tick();
}
if( events & EVT_MASK_LCD_FRAME_SYNC ) {
handle_lcd_frame_sync();
}
if( events & EVT_MASK_SD_CARD_PRESENT ) {
handle_sd_card_detect();
}
if( events & EVT_MASK_SWITCHES ) {
handle_switches();
}
if( events & EVT_MASK_ENCODER ) {
handle_encoder();
}
if( events & EVT_MASK_TOUCH ) {
handle_touch();
}
}
private:
touch::Manager touch_manager;
ui::Widget* const top_widget;
ui::Painter& painter;
ui::Context& context;
uint32_t encoder_last = 0;
void handle_application_queue() {
while( !shared_memory.application_queue.is_empty() ) {
auto message = shared_memory.application_queue.pop();
context.message_map.send(message);
message->state = Message::State::Free;
}
}
void handle_rtc_tick() {
}
static ui::Widget* 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;
}
ui::Widget* captured_widget { nullptr };
void 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);
}
}
void handle_lcd_frame_sync() {
painter.paint_widget_tree(top_widget);
}
void handle_sd_card_detect() {
}
void handle_switches() {
const auto switches_state = get_switches_state();
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) ) {
context.focus_manager.update(top_widget, event);
}
}
}
}
void handle_encoder() {
const uint32_t encoder_now = get_encoder_position();
const int32_t delta = static_cast<int32_t>(encoder_now - encoder_last);
encoder_last = encoder_now;
const auto event = static_cast<ui::EncoderEvent>(delta);
event_bubble_encoder(event);
}
void handle_touch() {
touch_manager.feed(get_touch_frame());
}
bool 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 event_bubble_encoder(const ui::EncoderEvent event) {
auto target = context.focus_manager.focus_widget();
while( (target != nullptr) && !target->on_encoder(event) ) {
target = target->parent();
}
}
};
int main(void) {
portapack::init();
if( !cpld_update_if_necessary() ) {
chSysHalt();
}
init_message_queues();
portapack::io.init();
portapack::display.init();
sdcStart(&SDCD1, nullptr);
rtc_interrupt_enable();
controls_init();
lcd_frame_sync_configure();
events_initialize(chThdSelf());
ui::Context context;
ui::SystemView system_view {
context,
portapack::display.screen_rect()
};
ui::Painter painter;
EventDispatcher event_dispatcher { &system_view, painter, context };
m4txevent_interrupt_enable();
m4_init(portapack::spi_flash::baseband, portapack::spi_flash::m4_text_ram_base);
while(true) {
const auto events = event_dispatcher.wait();
event_dispatcher.dispatch(events);
}
return 0;
}