Merge pull request #115 from brentru/fix-groups

Fix ESP32 Groups Crash

Author: brentru

examples/adafruitio_11_group_pub/adafruitio_11_group_pub.ino

@@ -37,6 +37,9 @@ void setup() {
   Serial.print("Connecting to Adafruit IO");
   io.connect();
 
+  group->onMessage("count-1", one);
+  group->onMessage("count-2", two);
+
   // wait for a connection
   while(io.status() < AIO_CONNECTED) {
     Serial.print(".");
@@ -74,3 +77,17 @@ void loop() {
   // wait four seconds (1000 milliseconds == 1 second)
   delay(4000);
 }
+
+// this function is called whenever a 'counter-1' message
+// is received from Adafruit IO. it was attached to
+// the counter-1 feed in the setup() function above.
+void one(AdafruitIO_Data *data) {
+  // do nothing!
+}
+
+// this function is called whenever a 'counter-2' message
+// is received from Adafruit IO. it was attached to
+// the counter-2 feed in the setup() function above.
+void two(AdafruitIO_Data *data) {
+  // do nothing!
+}

examples/adafruitio_12_group_sub/adafruitio_12_group_sub.ino

@@ -34,8 +34,8 @@ void setup() {
   Serial.print("Connecting to Adafruit IO");
   io.connect();
 
-  group->onMessage("example.count-1", one);
-  group->onMessage("example.count-2", two);
+  group->onMessage("count-1", one);
+  group->onMessage("count-2", two);
 
   // wait for a connection
   while(io.status() < AIO_CONNECTED) {

library.properties

@@ -1,5 +1,5 @@
 name=Adafruit IO Arduino
-version=3.4.0
+version=3.5.0
 author=Adafruit
 maintainer=Adafruit <adafruitio@adafruit.com>
 sentence=Arduino library to access Adafruit IO.

src/AdafruitIO_Definitions.h

@@ -17,7 +17,7 @@
 #define ADAFRUITIO_DEFINITIONS_H_
 
 #define ADAFRUITIO_VERSION_MAJOR 3 ///< Adafruit IO Arduino Major Semvar
-#define ADAFRUITIO_VERSION_MINOR 2 ///< Adafruit IO Arduino Minor Semvar
+#define ADAFRUITIO_VERSION_MINOR 5 ///< Adafruit IO Arduino Minor Semvar
 #define ADAFRUITIO_VERSION_PATCH 0 ///< Adafruit IO Arduino Patch Semvar
 
 // forward declaration

src/AdafruitIO_Group.h

@@ -76,10 +76,10 @@ class AdafruitIO_Group : public AdafruitIO_MQTT {
   Adafruit_MQTT_Publish *_get_pub; /*!< MQTT publish to _get_topic. */
 
   AdafruitIO *_io; /*!< An instance of AdafruitIO. */
-  AdafruitIOGroupCallback
-      *_groupCallback; /*!< An instance of AdafruitIOGroupCallback */
+  AdafruitIOGroupCallback *_groupCallback =
+      NULL; /*!< An instance of AdafruitIOGroupCallback */
 
   double _lat, _lon, _ele; /*!< latitude, longitude, elevation metadata. */
 };
 
-#endif // ADAFRUITIO_GROUP_H
+#endif // ADAFRUITIO_GROUP_H