Add existing code: Power consumption test cases and Semaphore power scheduler skeleton

example/advanced/Power_Measurements/WLAN/WLAN.ino

@@ -0,0 +1,36 @@
+#include "Dezibot.h"
+#define DEBUG
+
+Dezibot dezibot = Dezibot();
+
+void setup() {
+  Serial.begin(112500);
+  while (!Serial) {
+    ; /* Wait for USB-CDC Serial init to complete. */
+  }
+  #ifdef DEBUG
+  dezibot.display.begin();
+  dezibot.display.println("Debug enabled.");
+  Serial.println("Debug enabled.");
+  #endif
+  dezibot.communication.begin();
+  dezibot.communication.setGroupNumber(1);
+  dezibot.communication.sendMessage("Repeated send power consumption test commencing");
+  #ifdef DEBUG
+  dezibot.display.println("Mesh set up");
+  /* Set up receive handler */
+  dezibot.communication.onReceive(handle_receive);
+  dezibot.display.println("Set up receive. Printing incoming messages:");
+  Serial.println("Sending broadcast messages to generate TX power consumption:");
+  #endif
+}
+
+void handle_receive(String &message) {
+  dezibot.display.println(message);
+}
+
+void loop() {
+    /* Continuously send to consume power on TX */
+    dezibot.communication.sendMessage("Power Test Message");
+
+}