add default packetread timeout of 100ms and allow overrides

Author: toddtreece

AdafruitIO.cpp

@@ -16,6 +16,7 @@ AdafruitIO::AdafruitIO(const char *user, const char *key)
   _throttle_topic = 0;
   _err_sub = 0;
   _throttle_sub = 0;
+  _packetread_timeout = 100;
 
   _init();
 }
@@ -29,6 +30,7 @@ AdafruitIO::AdafruitIO(const __FlashStringHelper *user, const __FlashStringHelpe
   _throttle_topic = 0;
   _err_sub = 0;
   _throttle_sub = 0;
+  _packetread_timeout = 100;
 
   _init();
 }
@@ -159,7 +161,10 @@ void AdafruitIO::run(uint16_t busywait_ms)
   // loop until we have a connection
   while(mqttStatus() != AIO_CONNECTED){}
 
-  _mqtt->processPackets(busywait_ms);
+  if(busywait_ms > 0)
+    _packetread_timeout = busywait_ms;
+
+  _mqtt->processPackets(_packetread_timeout);
 
   // ping to keep connection alive if needed
   if(millis() > (_last_ping + AIO_PING_INTERVAL)) {

AdafruitIO.h

@@ -33,7 +33,7 @@ class AdafruitIO {
 
     void connect();
 
-    void run(uint16_t busywait_ms = 100);
+    void run(uint16_t busywait_ms = 0);
 
     AdafruitIO_Feed* feed(const char *name);
     AdafruitIO_Feed* feed(const __FlashStringHelper *name);
@@ -50,8 +50,12 @@ class AdafruitIO {
     uint32_t _last_ping = 0;
 
     Adafruit_MQTT *_mqtt;
+
     const char *_host = "io.adafruit.com";
     uint16_t _port = 8883;
+
+    uint16_t _packetread_timeout;
+
     const char *_username;
     const char *_key;
 

AdafruitIO_FONA.cpp

@@ -14,13 +14,15 @@ AdafruitIO_FONA::AdafruitIO_FONA(const char *user, const char *key):AdafruitIO(u
   _serial = new SoftwareSerial(FONA_TX, FONA_RX);
   _fona = new Adafruit_FONA(FONA_RST);
   _mqtt = new Adafruit_MQTT_FONA(_fona, _host, _port);
+  _packetread_timeout = 1000;
 }
 
 AdafruitIO_FONA::AdafruitIO_FONA(const __FlashStringHelper *user, const __FlashStringHelper *key):AdafruitIO(user, key)
 {
   _serial = new SoftwareSerial(FONA_TX, FONA_RX);
   _fona = new Adafruit_FONA(FONA_RST);
   _mqtt = new Adafruit_MQTT_FONA(_fona, _host, _port);
+  _packetread_timeout = 1000;
 }
 
 void AdafruitIO_FONA::setAPN(FONAFlashStringPtr apn, FONAFlashStringPtr username=0, FONAFlashStringPtr password=0)