diff options
Diffstat (limited to 'src/displayapp/screens/StopWatch.h')
-rw-r--r-- | src/displayapp/screens/StopWatch.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/displayapp/screens/StopWatch.h b/src/displayapp/screens/StopWatch.h new file mode 100644 index 00000000..f9dd5c76 --- /dev/null +++ b/src/displayapp/screens/StopWatch.h @@ -0,0 +1,86 @@ +#pragma once + +#include "Screen.h" +#include "components/datetime/DateTimeController.h" +#include "../LittleVgl.h" + +#include "FreeRTOS.h" +#include "portmacro_cmsis.h" + +#include <array> + +namespace Pinetime::Applications::Screens { + + enum class States { Init, Running, Halted }; + + enum class Events { Play, Pause, Stop }; + + struct TimeSeparated_t { + int mins; + int secs; + int msecs; + }; + + // A simple buffer to hold the latest two laps + template <int N> struct LapTextBuffer_t { + LapTextBuffer_t() : buffer {}, currentSize {}, capacity {N}, head {-1} { + } + + void addLaps(const TimeSeparated_t& timeVal) { + head++; + head %= capacity; + buffer[head] = timeVal; + + if (currentSize < capacity) { + currentSize++; + } + } + + void clearBuffer() { + buffer = {}; + currentSize = 0; + head = -1; + } + + TimeSeparated_t* operator[](std::size_t idx) { + // Sanity check for out-of-bounds + if (idx >= 0 && idx < capacity) { + if (idx < currentSize) { + // This transformation is to ensure that head is always pointing to index 0. + const auto transformed_idx = (head - idx) % capacity; + return (&buffer[transformed_idx]); + } + } + return nullptr; + } + + private: + std::array<TimeSeparated_t, N> buffer; + uint8_t currentSize; + uint8_t capacity; + int8_t head; + }; + + class StopWatch : public Screen { + public: + StopWatch(DisplayApp* app); + ~StopWatch() override; + bool Refresh() override; + bool OnButtonPushed() override; + void playPauseBtnEventHandler(lv_event_t event); + void stopLapBtnEventHandler(lv_event_t event); + + private: + bool running; + States currentState; + Events currentEvent; + TickType_t startTime; + TickType_t oldTimeElapsed; + TimeSeparated_t currentTimeSeparated; // Holds Mins, Secs, millisecs + LapTextBuffer_t<2> lapBuffer; + int lapNr; + bool lapPressed; + lv_obj_t *time, *msecTime, *btnPlayPause, *btnStopLap, *txtPlayPause, *txtStopLap; + lv_obj_t *lapOneText, *lapTwoText; + }; +} |