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#pragma once
#include <FreeRTOS.h>
#include <optional>
#include <timers.h>
#include "utility/CircularBuffer.h"
namespace Pinetime {
namespace System {
class SystemTask;
}
namespace Controllers {
enum class StopWatchStates { Cleared, Running, Paused };
struct LapInfo {
int number = 0; // Used to label the lap
TickType_t timeSinceStart = 0; // Excluding pauses
};
class StopWatchController {
public:
StopWatchController();
// StopWatch functionality and data
void Start();
void Pause();
void Clear();
TickType_t GetElapsedTime();
// Lap functionality
/// Only the latest histSize laps are stored
void AddLapToHistory();
/// Returns maxLapNumber
int GetMaxLapNumber();
/// Indexes into lap history, with 0 being the latest lap.
std::optional<LapInfo> GetLapFromHistory(int index);
bool IsRunning();
bool IsCleared();
bool IsPaused();
private:
// Current state of stopwatch
StopWatchStates currentState = StopWatchStates::Cleared;
// Start time of current duration
TickType_t startTime;
// How much time was elapsed before current duration
TickType_t timeElapsedPreviously;
// Maximum number of stored laps
static constexpr int histSize = 2;
// Lap storage
Utility::CircularBuffer<LapInfo, histSize> history;
// Highest lap number; may exceed histSize
int maxLapNumber;
};
}
}
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