add arduino-0018-linux (32 bit)

arduino-0018-linux/examples/Communication/MultiSerialMega/MultiSerialMega.pde

@@ -0,0 +1,31 @@
+/*
+  Mega multple serial test
+ 
+ Receives from the main serial port, sends to the others. 
+ Receives from serial port 1, sends to the main serial (Serial 0).
+ 
+ This example works only on the Arduino Mega
+ 
+ The circuit: 
+ * Any serial device attached to Serial port 1
+ * Serial monitor open on Serial port 0:
+ 
+ created 30 Dec. 2008
+ by Tom Igoe
+ 
+ */
+
+
+void setup() {
+  // initialize both serial ports:
+  Serial.begin(9600);
+  Serial1.begin(9600);
+}
+
+void loop() {
+  // read from port 1, send to port 0:
+  if (Serial1.available()) {
+    int inByte = Serial1.read();
+    Serial.print(inByte, BYTE); 
+  }
+}