adding ESP8266 DeepSleep Example

Author: brentru

examples/adafruitio_18_device_info/config.h

@@ -2,8 +2,8 @@
 
 // visit io.adafruit.com if you need to create an account,
 // or if you need your Adafruit IO key.
-#define IO_USERNAME    "your_username"
-#define IO_KEY         "your_key"
+#define IO_USERNAME    "AIO_USERNAME"
+#define IO_KEY         "AIO_KEY"
 
 /******************************* WIFI **************************************/
 

examples/adafruitio_19_deepsleep/adafruitio_19_deepsleep.ino

@@ -0,0 +1,71 @@
+// Adafruit IO DeepSleep Example (HUZZAH8266)
+//
+// Adafruit invests time and resources providing this open source code.
+// Please support Adafruit and open source hardware by purchasing
+// products from Adafruit!
+//
+// Written by Brent Rubell for Adafruit Industries
+// Copyright (c) 2018 Adafruit Industries
+// Licensed under the MIT license.
+//
+// All text above must be included in any redistribution.
+
+/************************** Configuration ***********************************/
+
+// edit the config.h tab and enter your Adafruit IO credentials
+// and any additional configuration needed for WiFi, cellular,
+// or ethernet clients.
+#include "config.h"
+
+/************************ Example Starts Here *******************************/
+#define DEEPSLEEP_DURATION 20e4
+
+void setup() {
+  // start the serial connection
+  Serial.begin(115200);
+
+  // wait for serial monitor to open
+  while (!Serial);
+  Serial.println("Adafruit IO + DeepSleep");
+  
+  // connect to the Adafruit IO Library 
+  connectAIO();
+
+  // set up and write to deepsleep feed
+  feedWrite();
+
+  // let's go back to sleep for DEEPSLEEP_DURATION seconds...
+  Serial.println("sleeping...");
+  // Put the Huzzah into deepsleep for DEEPSLEEP_DURATION
+  // NOTE: Make sure Pin 16 is connected to 
+  ESP.deepSleep(DEEPSLEEP_DURATION);
+}
+
+// NOOP
+void loop() {
+}
+
+
+void feedWrite(){
+   // set up `deepsleep` feed
+  AdafruitIO_Feed *deepsleep = io.feed("deepsleep");
+  Serial.println("sending value to feed 'deepsleep");
+  // send data to deepsleep feed
+  deepsleep->save(1);
+  // write data to AIO
+  io.run();
+}
+void connectAIO() {
+  Serial.println("Connecting to Adafruit IO...");
+  io.connect();
+
+  // wait for a connection
+  while (io.status() < AIO_CONNECTED) {
+    Serial.print(".");
+    delay(500);
+  }
+
+  // we are connected
+  Serial.println();
+  Serial.println(io.statusText());
+}

examples/adafruitio_19_deepsleep/config.h

@@ -0,0 +1,43 @@
+/************************ Adafruit IO Config *******************************/
+
+// visit io.adafruit.com if you need to create an account,
+// or if you need your Adafruit IO key.
+#define IO_USERNAME    "your_username"
+#define IO_KEY         "your_key"
+
+/******************************* WIFI **************************************/
+
+// the AdafruitIO_WiFi client will work with the following boards:
+//   - HUZZAH ESP8266 Breakout -> https://www.adafruit.com/products/2471
+//   - Feather HUZZAH ESP8266 -> https://www.adafruit.com/products/2821
+//   - Feather M0 WiFi -> https://www.adafruit.com/products/3010
+//   - Feather WICED -> https://www.adafruit.com/products/3056
+
+#define WIFI_SSID       "your_ssid"
+#define WIFI_PASS       "your_pass"
+
+// comment out the following two lines if you are using fona or ethernet
+#include "AdafruitIO_WiFi.h"
+AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS);
+
+
+/******************************* FONA **************************************/
+
+// the AdafruitIO_FONA client will work with the following boards:
+//   - Feather 32u4 FONA -> https://www.adafruit.com/product/3027
+
+// uncomment the following two lines for 32u4 FONA,
+// and comment out the AdafruitIO_WiFi client in the WIFI section
+// #include "AdafruitIO_FONA.h"
+// AdafruitIO_FONA io(IO_USERNAME, IO_KEY);
+
+
+/**************************** ETHERNET ************************************/
+
+// the AdafruitIO_Ethernet client will work with the following boards:
+//   - Ethernet FeatherWing -> https://www.adafruit.com/products/3201
+
+// uncomment the following two lines for ethernet,
+// and comment out the AdafruitIO_WiFi client in the WIFI section
+// #include "AdafruitIO_Ethernet.h"
+// AdafruitIO_Ethernet io(IO_USERNAME, IO_KEY);