Updating to rev. 27 of Firmata.

libraries/Firmata/examples/I2CFirmata/I2CFirmata.pde

@@ -196,10 +196,7 @@ void setup()
     pinMode(i, OUTPUT);
   }
 
-  /* I2C data is not reliable at higher baud rates, you'll need to change the
-   baud rate on the host computer as well.  To get a firmware running with
-   minimal effort, you can try using the default baud rate (115200) */
-  Firmata.begin(38400);  
+  Firmata.begin(57600);  
   Wire.begin();
 }
 

libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde

@@ -99,7 +99,8 @@ void setPinModeCallback(byte pin, int mode) {
   }
   
   if(pin > 1) { // ignore RxTx (pins 0 and 1)
-    reportAnalogCallback(pin - 14, mode == ANALOG ? 1 : 0); // turn on/off reporting
+    if(pin > 13) 
+      reportAnalogCallback(pin - 14, mode == ANALOG ? 1 : 0); // turn on/off reporting
     switch(mode) {
     case ANALOG:
       digitalWrite(pin, LOW); // disable internal pull-ups and fall thru to 'case INPUT:'