use 'digital' for feed name in both digital examples

Author: toddtreece

examples/adafruitio_06_digital_in/adafruitio_06_digital_in.ino

@@ -26,8 +26,8 @@
 bool current = false;
 bool last = false;
 
-// set up the 'button' feed
-AdafruitIO_Feed *button = io.feed("button");
+// set up the 'digital' feed
+AdafruitIO_Feed *digital = io.feed("digital");
 
 void setup() {
 
@@ -76,10 +76,10 @@ void loop() {
   if(current == last)
     return;
 
-  // save the current state to the button feed
+  // save the current state to the 'digital' feed on adafruit io
   Serial.print("sending button -> ");
   Serial.println(current);
-  button->save(current);
+  digital->save(current);
 
   // store last button state
   last = current;

examples/adafruitio_07_digital_out/adafruitio_07_digital_out.ino

@@ -22,8 +22,8 @@
 // digital pin 5
 #define LED_PIN 5
 
-// set up the 'led' feed
-AdafruitIO_Feed *led = io.feed("led");
+// set up the 'digital' feed
+AdafruitIO_Feed *digital = io.feed("digital");
 
 void setup() {
 
@@ -40,6 +40,12 @@ void setup() {
   Serial.print("Connecting to Adafruit IO");
   io.connect();
 
+  // set up a message handler for the 'digital' feed.
+  // the handleMessage function (defined below)
+  // will be called whenever a message is
+  // received from adafruit io.
+  digital->onMessage(handleMessage);
+
   // wait for a connection
   while(io.status() < AIO_CONNECTED) {
     Serial.print(".");
@@ -60,8 +66,21 @@ void loop() {
   // io.adafruit.com, and processes any incoming data.
   io.run();
 
+}
+
+// this function is called whenever an 'digital' feed message
+// is received from Adafruit IO. it was attached to
+// the 'digital' feed in the setup() function above.
+void handleMessage(AdafruitIO_Data *data) {
+
+  Serial.print("received <- ");
+
+  if(data->toPinLevel() == HIGH)
+    Serial.println("HIGH");
+  else
+    Serial.println("LOW");
+
   // write the current state to the led
-  digitalWrite(LED_PIN, led->data->toPinLevel());
+  digitalWrite(LED_PIN, data->toPinLevel());
 
 }
-