add support for signals

split main into more files

train.cpp

@@ -1,7 +1,9 @@
 #include "train.h"
 #include <stdlib.h>
+#include <avr/interrupt.h>
 
-Train::Train(const uint8_t address, uint8_t functionmask):  Item(address), _functionmask(functionmask)
+Train::Train(const uint8_t address, uint8_t functionmask, uint8_t quirks):
+Item(address), _functionmask(functionmask), _quirks(quirks)
 {
 }
 
@@ -71,15 +73,48 @@ uint16_t Train::packetAddFunction(const uint8_t function)
 	return packet;
 }
 
-void Train::setSpeed(uint8_t speed)
+void Train::setSpeed(int8_t speed)
 {
-	_speed = speed;
-	sendData();
+	bool direction = _direction;
+
+	if(_quirks & (1 << 1))
+		speed = 0-speed;
+
+	if(speed < 0)
+		_direction = true;
+	else if(speed > 0)
+		_direction = false;
+	
+	_speed = abs(speed);
+	
+	if((_quirks & 1) && direction != _direction)
+	{
+		cli();
+		for(uint8_t i = 0; i < 2; ++i)
+		{
+			sendRaw(0x28c);
+			_delay_ms(4);
+		}
+		if(!_direction)
+		{
+			for(uint8_t i = 0; i < 2; ++i)
+			{
+				sendRaw(0x224);
+				_delay_ms(4);
+			}
+		}
+		sei();
+	}
+	else
+	{
+		sendData();
+	}
 }
 
-uint8_t Train::getSpeed()
+int8_t Train::getSpeed()
 {
-	return _speed;
+	int8_t speed = _direction ? 0-_speed : _speed; 
+	return _quirks & (1 << 1) ? 0-speed : speed;
 }
 
 void Train::stop()
@@ -144,3 +179,13 @@ void Train::sendFunction(const uint8_t function, bool enable)
 	_function = (_function & ~(1 << function)) | (enable << function);
 	sendData();
 }
+
+uint8_t Train::getQuirks()
+{
+	return _quirks;
+}
+
+void Train::setQuirks(uint8_t quirks)
+{
+	_quirks = quirks;
+}