ADD preparation for tests

common/speedometer.cpp

@@ -80,7 +80,6 @@ float Speedometer::getDistance() {
 }
 
 void Speedometer::reset() {
-    // TODO : done
     this->_totalDistanceMutex.lock();
     this->_totalDistance = 0.0f;
     this->_totalDistanceMutex.unlock();
@@ -96,6 +95,7 @@ float Speedometer::getTraySize() const { return kTraySize; }
 std::chrono::milliseconds Speedometer::getCurrentPedalRotationTime() const {
     return _pedalRotationTime;
 }
+void Speedometer::setOnResetCallback(mbed::Callback<void()> cb) { _cbOnReset = cb; }
 
 #endif  // defined(MBED_TEST_MODE)
 
@@ -107,7 +107,6 @@ void Speedometer::computeSpeed() {
     // = 6.99m If you ride at 80 pedal turns / min, you run a distance of 6.99 * 80 / min
     // ~= 560 m / min = 33.6 km/h
 
-    // TODO : done
     // Distance run with one pedal turn = tray size / rear gear size * circumference of
     // the wheel
     constexpr float ms_in_hour = static_cast<float>(3600 * 1000);
@@ -129,7 +128,6 @@ void Speedometer::computeDistance() {
     // ~= 560 m / min = 33.6 km/h. We then multiply the speed by the time for getting the
     // distance traveled.
 
-    // TODO : done
     Speedometer::computeSpeed();
     // compute distance