Got a simple program to say "Hello\n" every 2s, and then a simple lis…

…p file to read that out. Requires some weird `__cxa_pure_virtual` stuff so the avr-gcc compiler can deal with virtual methods used in the arduino base cpp files.

refs #1

serial-repeater/Makefile

@@ -0,0 +1,2 @@
+TARGET = serial-repeater
+include ../arduino.mk

serial-repeater/reader.lisp

@@ -0,0 +1,13 @@
+;;;; reader.lisp
+
+(defpackage #:serial-reader
+  (:use #:cl))
+
+(in-package #:serial-reader)
+
+(defun read-serial ()   
+  (with-open-file (s "/dev/ttyUSB0"
+		     :direction :io
+		     :if-exists :overwrite)
+    (read-line s)))
+

serial-repeater/serial-repeater.pde

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+// -*- mode: c -*-
+int ledPin = 13;
+int blinkMs = 2000;
+
+void setup(){
+  pinMode(ledPin, OUTPUT);
+  Serial.begin(9600);
+}
+
+void loop (){
+  digitalWrite(ledPin, HIGH);
+  Serial.println("Hello");
+  delay(blinkMs);
+  digitalWrite(ledPin, LOW);
+  delay(blinkMs);
+}
+
+extern "C" void __cxa_pure_virtual(void);
+void __cxa_pure_virtual(void) {}