enable Firmata to compile for Intel boards

Author: soundanalogous

Boards.h

@@ -250,8 +250,8 @@ writePort(port, value, bitmask):  Write an 8 bit port.
 #define TOTAL_PINS              25 // 14 digital + 6 analog + 2 i2c + 3 spi
 #define TOTAL_PORTS             3  // set when TOTAL_PINS > num digitial I/O pins
 #define VERSION_BLINK_PIN       LED_BUILTIN
-#define PIN_SERIAL1_RX          0
-#define PIN_SERIAL1_TX          1
+//#define PIN_SERIAL1_RX          0 // already defined in zero core variant.h
+//#define PIN_SERIAL1_TX          1 // already defined in zero core variant.h
 #define IS_PIN_DIGITAL(p)       ((p) >= 0 && (p) <= 19)
 #define IS_PIN_ANALOG(p)        ((p) >= 14 && (p) < 14 + TOTAL_ANALOG_PINS)
 #define IS_PIN_PWM(p)           digitalPinHasPWM(p)
@@ -391,7 +391,7 @@ writePort(port, value, bitmask):  Write an 8 bit port.
 #define PIN_TO_SERVO(p)         (p)
 
 
-// Intel Galileo Board
+// Intel Galileo Board (gen 1 and 2) and Intel Edison
 #elif defined(ARDUINO_LINUX)
 #define TOTAL_ANALOG_PINS       6
 #define TOTAL_PINS              20 // 14 digital + 6 analog

utility/EthernetClientStream.cpp

@@ -68,12 +68,16 @@ EthernetClientStream::write(uint8_t c)
 void
 EthernetClientStream::maintain(IPAddress localip)
 {
+// temporary hack to Firmata to compile for Intel Galileo
+// the issue is documented here: https://github.com/firmata/arduino/issues/218
+#if !defined(ARDUINO_LINUX)
   if (this->localip!=localip)
     {
       this->localip = localip;
       if (connected)
         stop();
     }
+#endif
 }
 
 void