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ESP8266_TEMP_SLEEP/ESP8266_TEMP_SLEEP.ino

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+/**
+   An example showing how to put ESP8266 into Deep-sleep mode
+*/
+
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+//#include <Losant.h>
+
+// WiFi credentials.
+const char* WIFI_SSID = "Livebox-37cc";
+const char* WIFI_PASS = "8A6060920A8A86896F770F2C47";
+
+WiFiClientSecure wifiClient;
+
+void connect() {
+
+  // Connect to Wifi.
+  Serial.println();
+  Serial.println();
+  Serial.print("Connecting to ");
+  Serial.println(WIFI_SSID);
+
+  WiFi.begin(WIFI_SSID, WIFI_PASS);
+
+  // WiFi fix: https://github.com/esp8266/Arduino/issues/2186
+  WiFi.persistent(false);
+  WiFi.mode(WIFI_OFF);
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(WIFI_SSID, WIFI_PASS);
+
+  unsigned long wifiConnectStart = millis();
+
+  while (WiFi.status() != WL_CONNECTED) {
+    // Check to see if
+    if (WiFi.status() == WL_CONNECT_FAILED) {
+      Serial.println("Failed to connect to WiFi. Please verify credentials: ");
+      delay(10000);
+    }
+
+    delay(500);
+    Serial.println("...");
+    // Only try for 5 seconds.
+    if (millis() - wifiConnectStart > 15000) {
+      Serial.println("Failed to connect to WiFi");
+      return;
+    }
+  }
+
+  Serial.println("");
+  Serial.println("WiFi connected");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+
+  Serial.println();
+  Serial.print("Connecting to Losant...");
+
+  Serial.print("Authenticating Device...");
+  HTTPClient http;
+  http.begin("http://api.losant.com/auth/device");
+  http.addHeader("Content-Type", "application/json");
+  http.addHeader("Accept", "application/json");
+
+  /* Create JSON payload to sent to Losant
+       {
+         "deviceId": "575ecf887ae143cd83dc4aa2",
+         "key": "this_would_be_the_key",
+         "secret": "this_would_be_the_secret"
+       }
+  */
+
+  String buffer;
+  int httpCode = http.POST(buffer);
+
+  if (httpCode > 0) {
+    if (httpCode == HTTP_CODE_OK) {
+      Serial.println("This device is authorized!");
+    } else {
+      Serial.println("Failed to authorize device to Losant.");
+      if (httpCode == 400) {
+        Serial.println("Validation error: The device ID, access key, or access secret is not in the proper format.");
+      } else if (httpCode == 401) {
+        Serial.println("Invalid credentials to Losant: Please double-check the device ID, access key, and access secret.");
+      } else {
+        Serial.println("Unknown response from API");
+      }
+      return;
+    }
+  } else {
+    Serial.println("Failed to connect to Losant API.");
+    return;
+  }
+
+  http.end();
+
+  Serial.println("Connected!");
+  Serial.println("This device is now ready for use!");
+}
+
+void setup() {
+  Serial.begin(9600);
+  Serial.setTimeout(2000);
+
+  // Wait for serial to initialize.
+  while (!Serial) { }
+
+  Serial.println("Device Started");
+  Serial.println("-------------------------------------");
+  Serial.println("Running Deep Sleep Firmware!");
+  Serial.println("-------------------------------------");
+
+  connect();
+
+  int temp = analogRead(A0);
+
+  double degreesC = (((temp / 1024.0) * 3.2) - 0.5) * 100.0;
+  double degreesF = degreesC * 1.8 + 32;
+
+  Serial.println();
+  Serial.print("Temperature C: ");
+  Serial.println(degreesC);
+  Serial.print("Temperature F: ");
+  Serial.println(degreesF);
+  Serial.println();
+  Serial.println("Going into deep sleep for 20 seconds");
+  ESP.deepSleep(20e6); // 20e6 is 20 microseconds
+}
+
+void loop() {
+}