Improved Bluetooth sketches and docs

Arduino/Bluetooth.ino

@@ -0,0 +1,66 @@
+#include <bluefruit.h>
+
+unit8_t uvindexvalue = 0x0;
+#define UUID16_SVC_ENVIRONMENTAL_SENSING 0x181A
+#define UUID16_CHR_UV_INDEX 0x2A76
+
+BLEService enviromental_sensing_service = BLEService(UUID16_SVC_ENVIRONMENTAL_SENSING);
+BLECharacteristic uv_index_characteristic = BLECharacteristic(UUID16_CHR_UV_INDEX);
+
+void setup()
+{
+    Serial.beginn(115200);
+    delay(500);
+    Serial.println("Start!");
+
+    Bluefruit.begin();
+    Bluefruit.setName("Palm");
+
+    setupESService();
+    startAvd();
+}
+
+void loop()
+{
+    uvindexvalue = random(0, 11);
+
+    Serial.print("UV Index: ");
+    Serial.println(uvindexvalue);
+
+    if (uv_index_characteristic.indicate(&uvindexvalue, sizeof(uvindexvalue)))
+    {
+        Serial.print("Updated UV Index: ");
+        Serial.println(uvindexvalue);
+    }
+    else
+    {
+        Serial.print("UV Index Indicate not set");
+    }
+
+    delay(1000);
+
+}
+
+void startAvd(void)
+{
+    Bluefruit.Advertising.addService(environmental_sensing_service);
+    
+    Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
+    Bluefruit.Advertising.addTxPower();
+    Bluefruit.Advertising.addName();
+    Bluefruit.Advertising.restartOnDisconnect(true);
+    Bluefruit.Advertising.setInterval(32, 244);
+    Bluefruit.Advertising.setFastTimeout(30);
+    Bluefruit.Advertising.start(0);
+}
+
+void setupESService(void) {
+    environmental_sensing_service.begin();
+
+    uv_index_characteristic.setProperties(CHR_PROPS_INDICATE);
+    uv_index_characteristic.setPermission(SECMODE_OPEN, SECMODE_NO_ACCESS);
+    uv_index_characteristic.setFixedLen(1);
+    uv_index_characteristic.begin();
+
+    uv_index_characteristic.write(&uvindexvalue, sizeof(uvindexvalue));    
+}