90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
#include "StopWatch.h"
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#include "Screen.h"
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#include "lvgl/lvgl.h"
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#include "projdefs.h"
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#include "FreeRTOSConfig.h"
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#include "task.h"
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#include <tuple>
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// Anonymous namespace for local functions
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namespace {
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std::tuple<int, int, int> convertTicksToTimeSegments(const TickType_t timeElapsed) {
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const int timeElapsedMillis = (static_cast<float>(timeElapsed) / static_cast<float>(configTICK_RATE_HZ)) * 1000;
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const int milliSecs = (timeElapsedMillis % 1000) / 10; // Get only the first two digits and ignore the last
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const int secs = (timeElapsedMillis / 1000) % 60;
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const int mins = (timeElapsedMillis / 1000) / 60;
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return std::make_tuple(mins, secs, milliSecs);
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}
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TickType_t calculateDelta(const TickType_t startTime, const TickType_t currentTime) {
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TickType_t delta = 0;
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// Take care of overflow
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if (startTime > currentTime) {
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delta = 0xffffffff - startTime;
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delta += (currentTime + 1);
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} else {
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delta = currentTime - startTime;
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}
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return delta;
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}
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}
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using namespace Pinetime::Applications::Screens;
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StopWatch::StopWatch(DisplayApp* app, const Pinetime::Controllers::DateTime& dateTime)
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: Screen(app), dateTime {dateTime}, running {true}, currentState {States::INIT}, currentEvent {Events::PLAY}, startTime {},
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timeElapsed {} {
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time = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_style_local_text_font(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_extrabold_compressed);
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lv_obj_align(time, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 0, 0);
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msecTime = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_style_local_text_font(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_bold_20);
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lv_obj_align(msecTime, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 115, 60);
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}
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StopWatch::~StopWatch() {
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lv_obj_clean(lv_scr_act());
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}
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bool StopWatch::Refresh() {
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switch (currentState) {
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// Init state when an user first opens the app
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// and when a stop/reset button is pressed
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case States::INIT: {
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// The initial default value
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lv_label_set_text(time, "00:00");
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lv_label_set_text(msecTime, "00");
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if (currentEvent == Events::PLAY) {
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startTime = xTaskGetTickCount();
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currentState = States::RUNNING;
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}
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break;
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}
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case States::RUNNING: {
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auto timeElapsed = calculateDelta(startTime, xTaskGetTickCount());
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auto timeSeparated = convertTicksToTimeSegments(timeElapsed);
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lv_label_set_text_fmt(time, "%02d:%02d", std::get<0>(timeSeparated), std::get<1>(timeSeparated));
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lv_label_set_text_fmt(msecTime, "%02d", std::get<2>(timeSeparated));
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break;
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}
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case States::HALTED: {
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break;
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}
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}
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return running;
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}
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bool StopWatch::OnButtonPushed() {
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running = false;
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return true;
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}
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bool StopWatch::OnTouchEvent(uint16_t x, uint16_t y) {
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return true;
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} |