Max Regan
573504547c
This is implemented by connecting the DTR pin of the serial device to the BTN_UP pin of the watch. Also, make it possible to flash different applications with the Makefile. Resolves #4
137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
/*
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* Copyright (C) 2019 Max Regan
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "ScreenManager.h"
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#include "ButtonManager.h"
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// TODO: Basically all of the error checking
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using BSP::Schedule::Task;
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using BSP::Schedule::NextTime;
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using BSP::ReturnCode;
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using BSP::ButtonManager;
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using Button = ButtonManager::Button;
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using ButtonState = ButtonManager::ButtonState;
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ScreenManager::ScreenManager(BSP::Schedule::TaskScheduler &scheduler,
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BSP::DisplayDriver &display,
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ButtonManager &buttons)
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: m_scheduler(scheduler)
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, m_screen_stack{nullptr}
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, m_screen_stack_depth(0)
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, m_root_initialized(false)
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, m_display(display)
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, m_buttons(buttons)
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{
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}
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ReturnCode ScreenManager::init()
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{
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m_buttons.set_callback(
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Button::UP,
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[this](ButtonState state) {
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if (state == ButtonState::PRESSED) {
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current_screen()->notify_up_button();
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}});
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m_buttons.set_callback(
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Button::MID,
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[this](ButtonState state) {
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if (state == ButtonState::PRESSED) {
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return current_screen()->notify_middle_button();
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}});
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m_buttons.set_callback(
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Button::DOWN,
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[this](ButtonState state) {
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if (state == ButtonState::PRESSED) {
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current_screen()->notify_down_button();
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}});
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m_display.clear();
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return ReturnCode::OK;
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}
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NextTime ScreenManager::execute()
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{
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return current_screen()->execute();
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}
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ReturnCode ScreenManager::set_root_screen(Screen &screen)
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{
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m_screen_stack[0] = &screen;
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if (!m_root_initialized) {
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m_screen_stack_depth = 1;
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current_screen()->enable();
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m_scheduler.add_task(*this, NextTime::asap());
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m_root_initialized = true;
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}
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return ReturnCode::OK;
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}
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ReturnCode ScreenManager::push_screen(Screen &screen)
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{
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if (m_screen_stack_depth == MAX_SCREEN_STACK) {
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return ReturnCode::FAIL;
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}
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// TODO: "Lock" changes during this operation. Don't allow
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// disable/enable to push/pop.
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current_screen()->disable();
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m_screen_stack[m_screen_stack_depth] = &screen;
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m_screen_stack_depth++;
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current_screen()->enable();
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m_scheduler.add_task(*this, NextTime::asap());
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return ReturnCode::OK;
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}
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ReturnCode ScreenManager::pop_screen() {
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if (m_screen_stack_depth == 1) {
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return ReturnCode::FAIL;
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}
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current_screen()->disable();
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m_screen_stack_depth--;
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m_screen_stack[m_screen_stack_depth] = nullptr;
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current_screen()->enable();
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m_scheduler.add_task(*this, NextTime::asap());
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return ReturnCode::OK;
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}
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ReturnCode ScreenManager::set_screen(Screen &screen) {
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if (m_screen_stack_depth == 1) {
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return ReturnCode::FAIL;
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}
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current_screen()->disable();
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m_screen_stack[m_screen_stack_depth - 1] = &screen;
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current_screen()->enable();
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m_scheduler.add_task(*this, NextTime::asap());
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return ReturnCode::OK;
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}
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