Umstellung der Abbremsung auf durchgängig float

lib/locomotive/locomotive.cpp

@@ -60,7 +60,7 @@ void Locomotive::Break()
 void Locomotive::setSpeed(byte Speed)
 {
     _currentSpeed = Speed;
-    _motor.setSpeed(_currentSpeed);
+    _motor.setSpeed( (int) (_currentSpeed+0.5));
 };
 
 void Locomotive::setDirection(MotorDirection dir)
@@ -76,7 +76,7 @@ void Locomotive::loop()
     currentMillis = millis();
     if (currentMillis - _millisStart >= _delay)  //test whether the period has elapsed
     {
-        byte newspeed;
+        float newspeed;
         newspeed = _currentSpeed + _currentAcc;
  /*       Serial.print("Locomotive.Loop: ");
         Serial.print(_currentSpeed);
@@ -109,7 +109,7 @@ void Locomotive::loop()
 
 byte Locomotive::currentSpeed()
 {
-    return _currentSpeed;
+    return ((byte) (_currentSpeed+0.5));
 };
 
 byte Locomotive::getDefaultSpeed()