91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
// Copyright 2022 Haute école d'ingénierie et d'architecture de Fribourg
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
/****************************************************************************
|
|
* @file speedometer_device.hpp
|
|
* @author Serge Ayer <serge.ayer@hefr.ch>
|
|
*
|
|
* @brief WheelCounterDevice header file (static scheduling)
|
|
*
|
|
* @date 2023-08-20
|
|
* @version 1.0.0
|
|
***************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include "constants.hpp"
|
|
#include "mbed.h"
|
|
|
|
namespace bike_computer {
|
|
|
|
class Speedometer {
|
|
public:
|
|
explicit Speedometer(Timer& timer); // NOLINT(runtime/references)
|
|
|
|
// method used for setting the current pedal rotation time
|
|
void setCurrentRotationTime(const std::chrono::milliseconds& currentRotationTime);
|
|
|
|
// method used for setting/getting the current gear
|
|
void setGearSize(uint8_t gearSize);
|
|
|
|
// method called for getting the current speed (expressed in km / h)
|
|
float getCurrentSpeed() const;
|
|
|
|
// method called for getting the current traveled distance (expressed in km)
|
|
float getDistance();
|
|
|
|
// method called for resetting the traveled distance
|
|
void reset();
|
|
|
|
// methods used for tests only
|
|
#if defined(MBED_TEST_MODE)
|
|
uint8_t getGearSize() const;
|
|
float getWheelCircumference() const;
|
|
float getTraySize() const;
|
|
std::chrono::milliseconds getCurrentPedalRotationTime() const;
|
|
void setOnResetCallback(mbed::Callback<void()> cb);
|
|
#endif // defined(MBED_TEST_MODE)
|
|
|
|
private:
|
|
// private methods
|
|
void computeSpeed();
|
|
void computeDistance();
|
|
|
|
// definition of task period time
|
|
static constexpr std::chrono::milliseconds kTaskPeriod = 400ms;
|
|
// definition of task execution time
|
|
static constexpr std::chrono::microseconds kTaskRunTime = 200000us;
|
|
|
|
// constants related to speed computation
|
|
static constexpr float kWheelCircumference = 2.1f;
|
|
static constexpr uint8_t kTraySize = 50;
|
|
std::chrono::microseconds _lastTime = std::chrono::microseconds::zero();
|
|
std::chrono::milliseconds _pedalRotationTime = kInitialPedalRotationTime;
|
|
|
|
// data members
|
|
Timer& _timer;
|
|
LowPowerTicker _ticker;
|
|
float _currentSpeed = 0.0f;
|
|
Mutex _totalDistanceMutex;
|
|
float _totalDistance = 0.0f;
|
|
uint8_t _gearSize = 1;
|
|
|
|
Thread _thread;
|
|
|
|
#if defined(MBED_TEST_MODE)
|
|
mbed::Callback<void()> _cb;
|
|
#endif
|
|
};
|
|
|
|
} // namespace bike_computer
|