From 72d917f70cdf8edbb11c0648b59bb9afeae64065 Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Wed, 21 Nov 2007 14:55:09 +0000
Subject: [PATCH] Fixing some warnings.

---
 libraries/Firmata/Firmata.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libraries/Firmata/Firmata.cpp b/libraries/Firmata/Firmata.cpp
index de58a41..feb3def 100644
--- a/libraries/Firmata/Firmata.cpp
+++ b/libraries/Firmata/Firmata.cpp
@@ -27,10 +27,14 @@ extern "C" {
   #include <inttypes.h>
   #include <stdlib.h>
 
+  // use the abs in WConstants.h, not the one in stdlib.h
+  #undef abs
+  
   // Wiring Core Includes
   #include "WConstants.h"
 }
 
+
 #include "Firmata.h"
 #include "EEPROM.h"
 #include "HardwareSerial.h"
@@ -66,6 +70,7 @@ void FirmataClass::systemReset(void)
 // output type of message that is next on the queue
 int FirmataClass::available(void)
 {
+	return -1;
 	// TODO output next available message type, or -1 if nothing
 }