Add support for RX/TX/ERR leds to RPi

MySensors.h

@@ -82,6 +82,11 @@
 	#define pgm_read_dword(x) (*x)
 	#define pgm_read_byte_near(x) (*x)
 	#include "core/MyHwLinuxGeneric.cpp"
+	// Ugly hack
+	#ifdef LINUX_ARCH_RASPBERRYPI
+		#undef hwDigitalWrite
+		#define hwDigitalWrite(__pin, __value) (digitalWrite(__pin, __value))
+	#endif
 #endif
 
 // LEDS

examples_linux/mysGateway.cpp

@@ -50,6 +50,17 @@
 //#define MY_MQTT_USER "username"
 //#define MY_MQTT_PASSWORD "password"
 
+// Flash leds on rx/tx/err
+//#define MY_LEDS_BLINKING_FEATURE
+// Inverse the blinking feature
+//#define MY_WITH_LEDS_BLINKING_INVERSE
+// Set blinking period
+//#define MY_DEFAULT_LED_BLINK_PERIOD 300
+
+// Led pins used if blinking feature is enabled above
+#define MY_DEFAULT_ERR_LED_PIN 12  // Error led pin
+#define MY_DEFAULT_RX_LED_PIN  16  // Receive led pin
+#define MY_DEFAULT_TX_LED_PIN  18  // the PCB, on board 
 
 #include <MySensors.h>