Loop function added, generic timer added, message buffer increased (you never know)

Software/src/devboard/utils/timer.cpp

@@ -0,0 +1,12 @@
+#include "timer.h"
+
+MyTimer::MyTimer(unsigned long interval) : interval(interval), previousMillis(0) {}
+
+bool MyTimer::elapsed() {
+  unsigned long currentMillis = millis();
+  if (currentMillis - previousMillis >= interval) {
+    previousMillis = currentMillis;
+    return true;
+  }
+  return false;
+}

Software/src/devboard/utils/timer.h

@@ -0,0 +1,16 @@
+#ifndef __MYTIMER_H__
+#define __MYTIMER_H__
+
+#include <Arduino.h>
+
+class MyTimer {
+public:
+  MyTimer(unsigned long interval);
+  bool elapsed();
+
+private:
+  unsigned long interval;
+  unsigned long previousMillis;
+};
+
+#endif  // __MYTIMER_H__