87 lines
2 KiB
C++
87 lines
2 KiB
C++
#pragma once
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#include "Screen.h"
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#include "components/datetime/DateTimeController.h"
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#include "../LittleVgl.h"
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#include "FreeRTOS.h"
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#include "portmacro_cmsis.h"
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#include <array>
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namespace Pinetime::Applications::Screens {
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enum class States { Init, Running, Halted };
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enum class Events { Play, Pause, Stop };
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struct TimeSeparated_t {
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int mins;
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int secs;
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int hundredths;
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};
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// A simple buffer to hold the latest two laps
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template <int N> struct LapTextBuffer_t {
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LapTextBuffer_t() : buffer {}, currentSize {}, capacity {N}, head {-1} {
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}
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void addLaps(const TimeSeparated_t& timeVal) {
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head++;
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head %= capacity;
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buffer[head] = timeVal;
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if (currentSize < capacity) {
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currentSize++;
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}
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}
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void clearBuffer() {
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buffer = {};
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currentSize = 0;
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head = -1;
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}
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TimeSeparated_t* operator[](std::size_t idx) {
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// Sanity check for out-of-bounds
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if (idx >= 0 && idx < capacity) {
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if (idx < currentSize) {
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// This transformation is to ensure that head is always pointing to index 0.
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const auto transformed_idx = (head - idx) % capacity;
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return (&buffer[transformed_idx]);
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}
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}
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return nullptr;
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}
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private:
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std::array<TimeSeparated_t, N> buffer;
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uint8_t currentSize;
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uint8_t capacity;
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int8_t head;
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};
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class StopWatch : public Screen {
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public:
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StopWatch(DisplayApp* app);
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~StopWatch() override;
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bool Refresh() override;
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void playPauseBtnEventHandler(lv_event_t event);
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void stopLapBtnEventHandler(lv_event_t event);
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private:
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bool running;
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States currentState;
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Events currentEvent;
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TickType_t startTime;
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TickType_t oldTimeElapsed;
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TimeSeparated_t currentTimeSeparated; // Holds Mins, Secs, millisecs
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LapTextBuffer_t<2> lapBuffer;
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int lapNr;
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bool lapPressed;
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lv_obj_t *time, *msecTime, *btnPlayPause, *btnStopLap, *txtPlayPause, *txtStopLap;
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lv_obj_t *lapOneText, *lapTwoText;
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};
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}
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