Added retain flag for publishing

Adafruit_MQTT.cpp

@@ -293,13 +293,13 @@ bool Adafruit_MQTT::disconnect() {
 }
 
 
-bool Adafruit_MQTT::publish(const char *topic, const char *data, uint8_t qos) {
-    return publish(topic, (uint8_t*)(data), strlen(data), qos);
+bool Adafruit_MQTT::publish(const char *topic, const char *data, uint8_t qos, uint8_t retain) {
+    return publish(topic, (uint8_t*)(data), strlen(data), qos, retain);
 }
 
-bool Adafruit_MQTT::publish(const char *topic, uint8_t *data, uint16_t bLen, uint8_t qos) {
+bool Adafruit_MQTT::publish(const char *topic, uint8_t *data, uint16_t bLen, uint8_t qos, uint8_t retain) {
   // Construct and send publish packet.
-  uint16_t len = publishPacket(buffer, topic, data, bLen, qos);
+  uint16_t len = publishPacket(buffer, topic, data, bLen, qos, retain);
   if (!sendPacket(buffer, len))
     return false;
 
@@ -437,7 +437,7 @@ void Adafruit_MQTT::processPackets(int16_t timeout) {
       else if (sub->callback_io != NULL) {
         // huh lets do the callback in io mode
         //Serial.print("*** calling io instance callback with : "); Serial.println((char *)sub->lastread);
-        ((sub->io_mqtt)->*(sub->callback_io))((char *)sub->lastread, sub->datalen);
+        ((sub->io_feed)->*(sub->callback_io))((char *)sub->lastread, sub->datalen);
       }
     }
 
@@ -634,7 +634,7 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
 
 // as per http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718040
 uint16_t Adafruit_MQTT::publishPacket(uint8_t *packet, const char *topic,
-                                     uint8_t *data, uint16_t bLen, uint8_t qos) {
+                                     uint8_t *data, uint16_t bLen, uint8_t qos, uint8_t retain) {
   uint8_t *p = packet;
   uint16_t len=0;
 
@@ -647,7 +647,7 @@ uint16_t Adafruit_MQTT::publishPacket(uint8_t *packet, const char *topic,
   len += bLen; // payload length
 
   // Now you can start generating the packet!
-  p[0] = MQTT_CTRL_PUBLISH << 4 | qos << 1;
+  p[0] = MQTT_CTRL_PUBLISH << 4 | qos << 1 | (retain ? 1 : 0);
   p++;
 
   // fill in packet[1] last
@@ -770,37 +770,38 @@ uint8_t Adafruit_MQTT::disconnectPacket(uint8_t *packet) {
 // Adafruit_MQTT_Publish Definition ////////////////////////////////////////////
 
 Adafruit_MQTT_Publish::Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver,
-                                             const char *feed, uint8_t q) {
+                                             const char *feed, uint8_t q, uint8_t r) {
   mqtt = mqttserver;
   topic = feed;
   qos = q;
+  retain = r;
 }
 bool Adafruit_MQTT_Publish::publish(int32_t i) {
   char payload[12];
   ltoa(i, payload, 10);
-  return mqtt->publish(topic, payload, qos);
+  return mqtt->publish(topic, payload, qos, retain);
 }
 
 bool Adafruit_MQTT_Publish::publish(uint32_t i) {
   char payload[11];
   ultoa(i, payload, 10);
-  return mqtt->publish(topic, payload, qos);
+  return mqtt->publish(topic, payload, qos, retain);
 }
 
 bool Adafruit_MQTT_Publish::publish(double f, uint8_t precision) {
   char payload[41];  // Need to technically hold float max, 39 digits and minus sign.
   dtostrf(f, 0, precision, payload);
-  return mqtt->publish(topic, payload, qos);
+  return mqtt->publish(topic, payload, qos, retain);
 }
 
 bool Adafruit_MQTT_Publish::publish(const char *payload) {
-  return mqtt->publish(topic, payload, qos);
+  return mqtt->publish(topic, payload, qos, retain);
 }
 
 //publish buffer of arbitrary length
 bool Adafruit_MQTT_Publish::publish(uint8_t *payload, uint16_t bLen) {
 
-  return mqtt->publish(topic, payload, bLen, qos);
+  return mqtt->publish(topic, payload, bLen, qos, retain);
 }
 
 
@@ -816,7 +817,7 @@ Adafruit_MQTT_Subscribe::Adafruit_MQTT_Subscribe(Adafruit_MQTT *mqttserver,
   callback_buffer = 0;
   callback_double = 0;
   callback_io = 0;
-  io_mqtt = 0;
+  io_feed = 0;
 }
 
 void Adafruit_MQTT_Subscribe::setCallback(SubscribeCallbackUInt32Type cb) {
@@ -831,9 +832,9 @@ void Adafruit_MQTT_Subscribe::setCallback(SubscribeCallbackBufferType cb) {
   callback_buffer = cb;
 }
 
-void Adafruit_MQTT_Subscribe::setCallback(AdafruitIO_MQTT *io, SubscribeCallbackIOType cb) {
+void Adafruit_MQTT_Subscribe::setCallback(AdafruitIO_Feed *f, SubscribeCallbackIOType cb) {
   callback_io = cb;
-  io_mqtt= io;
+  io_feed = f;
 }
 
 void Adafruit_MQTT_Subscribe::removeCallback(void) {
@@ -841,5 +842,5 @@ void Adafruit_MQTT_Subscribe::removeCallback(void) {
   callback_buffer = 0;
   callback_double = 0;
   callback_io = 0;
-  io_mqtt = 0;
+  io_feed = 0;
 }

Adafruit_MQTT.h

@@ -30,8 +30,8 @@
 #endif
 
 #define ADAFRUIT_MQTT_VERSION_MAJOR 0
-#define ADAFRUIT_MQTT_VERSION_MINOR 17
-#define ADAFRUIT_MQTT_VERSION_PATCH 0
+#define ADAFRUIT_MQTT_VERSION_MINOR 16
+#define ADAFRUIT_MQTT_VERSION_PATCH 2
 
 // Uncomment/comment to turn on/off debug output messages.
 //#define MQTT_DEBUG
@@ -116,7 +116,7 @@
   #define SUBSCRIPTIONDATALEN 100
 #endif
 
-class AdafruitIO_MQTT;   // forward decl
+class AdafruitIO_Feed;  // forward decl
 
 //Function pointer that returns an int
 typedef void (*SubscribeCallbackUInt32Type)(uint32_t);
@@ -125,7 +125,7 @@ typedef void (*SubscribeCallbackDoubleType)(double);
 // returns a chunk of raw data
 typedef void (*SubscribeCallbackBufferType)(char *str, uint16_t len);
 // returns an io data wrapper instance
-typedef void (AdafruitIO_MQTT::*SubscribeCallbackIOType)(char *str, uint16_t len);
+typedef void (AdafruitIO_Feed::*SubscribeCallbackIOType)(char *str, uint16_t len);
 
 extern void printBuffer(uint8_t *buffer, uint16_t len);
 
@@ -178,8 +178,8 @@ class Adafruit_MQTT {
 
   // Publish a message to a topic using the specified QoS level.  Returns true
   // if the message was published, false otherwise.
-  bool publish(const char *topic, const char *payload, uint8_t qos = 0);
-  bool publish(const char *topic, uint8_t *payload, uint16_t bLen, uint8_t qos = 0);
+  bool publish(const char *topic, const char *payload, uint8_t qos = 0, uint8_t retrain = 0);
+  bool publish(const char *topic, uint8_t *payload, uint16_t bLen, uint8_t qos = 0, uint8_t retrain = 0);
 
   // Add a subscription to receive messages for a topic.  Returns true if the
   // subscription could be added or was already present, false otherwise.
@@ -244,7 +244,7 @@ class Adafruit_MQTT {
   // Functions to generate MQTT packets.
   uint8_t connectPacket(uint8_t *packet);
   uint8_t disconnectPacket(uint8_t *packet);
-  uint16_t publishPacket(uint8_t *packet, const char *topic, uint8_t *payload, uint16_t bLen, uint8_t qos);
+  uint16_t publishPacket(uint8_t *packet, const char *topic, uint8_t *payload, uint16_t bLen, uint8_t qos, uint8_t retain);
   uint8_t subscribePacket(uint8_t *packet, const char *topic, uint8_t qos);
   uint8_t unsubscribePacket(uint8_t *packet, const char *topic);
   uint8_t pingPacket(uint8_t *packet);
@@ -254,7 +254,7 @@ class Adafruit_MQTT {
 
 class Adafruit_MQTT_Publish {
  public:
-  Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver, const char *feed, uint8_t qos = 0);
+  Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver, const char *feed, uint8_t qos = 0, uint8_t retain = 0);
 
   bool publish(const char *s);
   bool publish(double f, uint8_t precision=2);  // Precision controls the minimum number of digits after decimal.
@@ -268,6 +268,7 @@ private:
   Adafruit_MQTT *mqtt;
   const char *topic;
   uint8_t qos;
+  uint8_t retain;
 };
 
 class Adafruit_MQTT_Subscribe {
@@ -277,7 +278,7 @@ class Adafruit_MQTT_Subscribe {
   void setCallback(SubscribeCallbackUInt32Type callb);
   void setCallback(SubscribeCallbackDoubleType callb);
   void setCallback(SubscribeCallbackBufferType callb);
-  void setCallback(AdafruitIO_MQTT *io, SubscribeCallbackIOType callb);
+  void setCallback(AdafruitIO_Feed *io, SubscribeCallbackIOType callb);
   void removeCallback(void);
 
   const char *topic;
@@ -293,7 +294,7 @@ class Adafruit_MQTT_Subscribe {
   SubscribeCallbackBufferType callback_buffer;
   SubscribeCallbackIOType     callback_io;
 
-  AdafruitIO_MQTT *io_mqtt;
+  AdafruitIO_Feed *io_feed;
 
  private:
   Adafruit_MQTT *mqtt;

Adafruit_MQTT_CC3000.h

@@ -0,0 +1,152 @@
+// The MIT License (MIT)
+//
+// Copyright (c) 2015 Adafruit Industries
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+#ifndef _ADAFRUIT_MQTT_CC3000_H_
+#define _ADAFRUIT_MQTT_CC3000_H_
+
+#include <Adafruit_SleepyDog.h>
+#include <Adafruit_CC3000.h>
+#include "Adafruit_MQTT.h"
+
+
+// delay in ms between calls of available()
+#define MQTT_CC3000_INTERAVAILDELAY 10
+
+
+// CC3000-specific version of the Adafruit_MQTT class.
+// Note that this is defined as a header-only class to prevent issues with using
+// the library on non-CC3000 platforms (since Arduino will include all .cpp files
+// in the compilation of the library).
+class Adafruit_MQTT_CC3000 : public Adafruit_MQTT {
+ public:
+  Adafruit_MQTT_CC3000(Adafruit_CC3000 *cc3k, const char *server, uint16_t port,
+                       const char *cid, const char *user, const char *pass):
+    Adafruit_MQTT(server, port, cid, user, pass),
+    cc3000(cc3k)
+  {}
+
+  Adafruit_MQTT_CC3000(Adafruit_CC3000 *cc3k, const char *server, uint16_t port,
+                       const char *user = "", const char *pass = ""):
+    Adafruit_MQTT(server, port, user, pass),
+    cc3000(cc3k)
+  {}
+
+  bool connectServer() {
+    uint32_t ip = 0;
+
+    Watchdog.reset();
+
+    // look up IP address
+    if (serverip == 0) {
+      // Try looking up the website's IP address using CC3K's built in getHostByName
+      strcpy_P((char *)buffer, servername);
+      Serial.print((char *)buffer); Serial.print(F(" -> "));
+      uint8_t dnsretries = 5;
+
+      Watchdog.reset();
+      while (ip == 0) {
+        if (! cc3000->getHostByName((char *)buffer, &ip)) {
+          Serial.println(F("Couldn't resolve!"));
+          dnsretries--;
+          Watchdog.reset();
+        }
+        //Serial.println("OK"); Serial.println(ip, HEX);
+        if (!dnsretries) return false;
+        delay(500);
+      }
+
+      serverip = ip;
+      cc3000->printIPdotsRev(serverip);
+      Serial.println();
+    }
+
+    Watchdog.reset();
+
+    // connect to server
+    DEBUG_PRINTLN(F("Connecting to TCP"));
+    mqttclient = cc3000->connectTCP(serverip, portnum);
+
+    return mqttclient.connected();
+  }
+
+  bool disconnectServer() {
+    if (connected()) {
+      return (mqttclient.close() == 0);
+    }
+    else {
+      return true;
+    }
+  }
+
+  bool connected() {
+    return mqttclient.connected();
+  }
+
+  uint16_t readPacket(uint8_t *buffer, uint16_t maxlen, int16_t timeout) {
+    /* Read data until either the connection is closed, or the idle timeout is reached. */
+    uint16_t len = 0;
+    int16_t t = timeout;
+
+    while (mqttclient.connected() && (timeout >= 0)) {
+      //DEBUG_PRINT('.');
+      while (mqttclient.available()) {
+        //DEBUG_PRINT('!');
+        char c = mqttclient.read();
+        timeout = t;  // reset the timeout
+        buffer[len] = c;
+        //DEBUG_PRINTLN((uint8_t)c, HEX);
+        len++;
+        if (len == maxlen) {  // we read all we want, bail
+          DEBUG_PRINT(F("Read packet:\t"));
+          DEBUG_PRINTBUFFER(buffer, len);
+          return len;
+        }
+      }
+      Watchdog.reset();
+      timeout -= MQTT_CC3000_INTERAVAILDELAY;
+      delay(MQTT_CC3000_INTERAVAILDELAY);
+    }
+    return len;
+  }
+
+  bool sendPacket(uint8_t *buffer, uint16_t len) {
+    if (mqttclient.connected()) {
+      uint16_t ret = mqttclient.write(buffer, (size_t)len);
+      DEBUG_PRINT(F("sendPacket returned: ")); DEBUG_PRINTLN(ret);
+      if (ret != len) {
+        DEBUG_PRINTLN("Failed to send complete packet.")
+        return false;
+      }
+    } else {
+      DEBUG_PRINTLN(F("Connection failed!"));
+      return false;
+    }
+    return true;
+  }
+
+ private:
+  uint32_t serverip;
+  Adafruit_CC3000 *cc3000;
+  Adafruit_CC3000_Client mqttclient;
+};
+
+
+#endif

Adafruit_MQTT_Client.cpp

@@ -81,7 +81,7 @@ bool Adafruit_MQTT_Client::sendPacket(uint8_t *buffer, uint16_t len) {
     if (client->connected()) {
       // send 250 bytes at most at a time, can adjust this later based on Client
 
-      uint16_t sendlen = len > 250 ? 250 : len;
+      uint16_t sendlen = min(len, 250);
       //Serial.print("Sending: "); Serial.println(sendlen);
       ret = client->write(buffer, sendlen);
       DEBUG_PRINT(F("Client sendPacket returned: ")); DEBUG_PRINTLN(ret);

README.md

@@ -1,7 +1,7 @@
 # Adafruit MQTT Library [![Build Status](https://travis-ci.org/adafruit/Adafruit_MQTT_Library.svg?branch=master)](https://travis-ci.org/adafruit/Adafruit_MQTT_Library)
 
 Arduino library for MQTT support, including access to Adafruit IO.  Works with
-the Adafruit FONA, Arduino Yun, ESP8266 Arduino platforms, and anything that supports
+the Adafruit CC3000, FONA, Arduino Yun, ESP8266 Arduino platforms, and anything that supports
 Arduino's Client interface (like Ethernet shield).
 
 See included examples for how to use the library to access an MQTT service to
@@ -11,7 +11,10 @@ spec but is intended to support enough for QoS 0 and 1 publishing.
 Depends on the following other libraries depending on the target platform:
 
    - [Adafruit SleepyDog](https://github.com/adafruit/Adafruit_SleepyDog), watchdog
-   library used by FONA code for reliability.
+   library used by FONA and CC3000 code for reliability.
+
+   - [Adafruit CC3000](https://github.com/adafruit/Adafruit_CC3000_Library), required
+   for the CC3000 hardware.
 
    - [Adafruit FONA](https://github.com/adafruit/Adafruit_FONA_Library), required for
    the FONA hardware.

examples/adafruitio_secure_esp8266/adafruitio_secure_esp8266.ino

@@ -40,9 +40,8 @@ WiFiClientSecure client;
 // Setup the MQTT client class by passing in the WiFi client and MQTT server and login details.
 Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
 
-// io.adafruit.com SHA1 fingerprint. Current fingerprint can be verified via: 
-//   echo | openssl s_client -connect io.adafruit.com:443 |& openssl x509 -fingerprint -noout
-#define AIO_SSL_FINGERPRINT "77 00 54 2D DA E7 D8 03 27 31 23 99 EB 27 DB CB A5 4C 57 18"
+// io.adafruit.com SHA1 fingerprint
+const char* fingerprint = "26 96 1C 2A 51 07 FD 15 80 96 93 AE F7 32 CE B9 0D 01 55 C4";
 
 /****************************** Feeds ***************************************/
 

examples/mqtt_cc3k/cc3000helper.cpp

@@ -0,0 +1,131 @@
+#include <Adafruit_SleepyDog.h>
+#include <Adafruit_CC3000.h>
+#include <ccspi.h>
+#include <SPI.h>
+
+//#define STATICIP
+
+#define halt(s) { Serial.println(F( s )); while(1);  }
+
+uint16_t checkFirmwareVersion(void);
+bool displayConnectionDetails(void);
+
+extern Adafruit_CC3000 cc3000;
+
+boolean CC3000connect(const char* wlan_ssid, const char* wlan_pass, uint8_t wlan_security) {
+  Watchdog.reset();
+    
+  // Check for compatible firmware
+  if (checkFirmwareVersion() < 0x113)   halt("Wrong firmware version!");
+  
+  // Delete any old connection data on the module
+  Serial.println(F("\nDeleting old connection profiles"));
+  if (!cc3000.deleteProfiles())     halt("Failed!");
+
+#ifdef STATICIP
+  Serial.println(F("Setting static IP"));
+  uint32_t ipAddress = cc3000.IP2U32(10, 0, 1, 19);
+  uint32_t netMask = cc3000.IP2U32(255, 255, 255, 0);
+  uint32_t defaultGateway = cc3000.IP2U32(10, 0, 1, 1);
+  uint32_t dns = cc3000.IP2U32(8, 8, 4, 4);
+  
+  if (!cc3000.setStaticIPAddress(ipAddress, netMask, defaultGateway, dns)) {
+    Serial.println(F("Failed to set static IP!"));
+    while(1);
+  }
+#endif
+
+  // Attempt to connect to an access point
+  Serial.print(F("\nAttempting to connect to ")); 
+  Serial.print(wlan_ssid); Serial.print(F("..."));
+
+  Watchdog.disable();
+  // try 3 times
+  if (!cc3000.connectToAP(wlan_ssid, wlan_pass, wlan_security, 3)) {
+    return false;
+  }
+  
+  Watchdog.enable(8000);
+  Serial.println(F("Connected!"));
+
+uint8_t retries;
+#ifndef STATICIP  
+  /* Wait for DHCP to complete */
+  Serial.println(F("Requesting DHCP"));
+  retries = 10;
+  while (!cc3000.checkDHCP())
+  {
+    Watchdog.reset();
+    delay(1000);
+    retries--;
+    if (!retries) return false;
+  }  
+#endif
+  /* Display the IP address DNS, Gateway, etc.  */
+  retries = 10;
+  while (! displayConnectionDetails()) {
+    Watchdog.reset();
+    delay(1000);
+    retries--;
+    if (!retries) return false;
+  }
+  
+  Watchdog.reset();
+
+  return true;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief  Tries to read the CC3000's internal firmware patch ID
+*/
+/**************************************************************************/
+uint16_t checkFirmwareVersion(void)
+{
+  uint8_t major, minor;
+  uint16_t version;
+  
+  if(!cc3000.getFirmwareVersion(&major, &minor))
+  {
+    Serial.println(F("Unable to retrieve the firmware version!\r\n"));
+    version = 0;
+  }
+  else
+  {
+    Serial.print(F("Firmware V. : "));
+    Serial.print(major); Serial.print(F(".")); Serial.println(minor);
+    version = major; version <<= 8; version |= minor;
+  }
+  return version;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief  Tries to read the IP address and other connection details
+*/
+/**************************************************************************/
+bool displayConnectionDetails(void)
+{
+  uint32_t ipAddress, netmask, gateway, dhcpserv, dnsserv;
+  
+  if(!cc3000.getIPAddress(&ipAddress, &netmask, &gateway, &dhcpserv, &dnsserv))
+  {
+    Serial.println(F("Unable to retrieve the IP Address!\r\n"));
+    return false;
+  }
+  else
+  {
+    Serial.print(F("\nIP Addr: ")); cc3000.printIPdotsRev(ipAddress);
+    Serial.print(F("\nNetmask: ")); cc3000.printIPdotsRev(netmask);
+    Serial.print(F("\nGateway: ")); cc3000.printIPdotsRev(gateway);
+    Serial.print(F("\nDHCPsrv: ")); cc3000.printIPdotsRev(dhcpserv);
+    Serial.print(F("\nDNSserv: ")); cc3000.printIPdotsRev(dnsserv);
+    Serial.println();
+    return true;
+  }
+}
+
+
+

examples/mqtt_cc3k/mqtt_cc3k.ino

@@ -0,0 +1,147 @@
+/***************************************************
+  Adafruit MQTT Library CC3000 Example
+
+  Designed specifically to work with the Adafruit WiFi products:
+  ----> https://www.adafruit.com/products/1469
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+#include <Adafruit_SleepyDog.h>
+#include <Adafruit_CC3000.h>
+#include <SPI.h>
+#include "utility/debug.h"
+#include "Adafruit_MQTT.h"
+#include "Adafruit_MQTT_CC3000.h"
+
+/*************************** CC3000 Pins ***********************************/
+
+#define ADAFRUIT_CC3000_IRQ   3  // MUST be an interrupt pin!
+#define ADAFRUIT_CC3000_VBAT  5  // VBAT & CS can be any digital pins.
+#define ADAFRUIT_CC3000_CS    10
+// Use hardware SPI for the remaining pins
+// On an UNO, SCK = 13, MISO = 12, and MOSI = 11
+
+/************************* WiFi Access Point *********************************/
+
+#define WLAN_SSID       "...your SSID..."  // can't be longer than 32 characters!
+#define WLAN_PASS       "...your password..."
+#define WLAN_SECURITY   WLAN_SEC_WPA2  // Can be: WLAN_SEC_UNSEC, WLAN_SEC_WEP,
+                                       //         WLAN_SEC_WPA or WLAN_SEC_WPA2
+
+/************************* Adafruit.io Setup *********************************/
+
+#define AIO_SERVER      "io.adafruit.com"
+#define AIO_SERVERPORT  1883
+#define AIO_USERNAME    "...your AIO username (see https://accounts.adafruit.com)..."
+#define AIO_KEY         "...your AIO key..."
+
+/************ Global State (you don't need to change this!) ******************/
+
+// Setup the main CC3000 class, just like a normal CC3000 sketch.
+Adafruit_CC3000 cc3000 = Adafruit_CC3000(ADAFRUIT_CC3000_CS, ADAFRUIT_CC3000_IRQ, ADAFRUIT_CC3000_VBAT);
+
+// Setup the CC3000 MQTT class by passing in the CC3000 class and MQTT server and login details.
+Adafruit_MQTT_CC3000 mqtt(&cc3000, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
+
+// You don't need to change anything below this line!
+#define halt(s) { Serial.println(F( s )); while(1);  }
+
+// CC3000connect is a helper function that sets up the CC3000 and connects to
+// the WiFi network. See the cc3000helper.cpp tab above for the source!
+boolean CC3000connect(const char* wlan_ssid, const char* wlan_pass, uint8_t wlan_security);
+
+/****************************** Feeds ***************************************/
+
+// Setup a feed called 'photocell' for publishing.
+// Notice MQTT paths for AIO follow the form: <username>/feeds/<feedname>
+Adafruit_MQTT_Publish photocell = Adafruit_MQTT_Publish(&mqtt, AIO_USERNAME "/feeds/photocell");
+
+// Setup a feed called 'onoff' for subscribing to changes.
+Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/onoff");
+
+/*************************** Sketch Code ************************************/
+
+void setup() {
+  Serial.begin(115200);
+
+  Serial.println(F("Adafruit MQTT demo"));
+
+  Serial.print(F("Free RAM: ")); Serial.println(getFreeRam(), DEC);
+
+  // Initialise the CC3000 module
+  Serial.print(F("\nInit the CC3000..."));
+  if (!cc3000.begin())
+      halt("Failed");
+
+  mqtt.subscribe(&onoffbutton);
+
+  while (! CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY)) {
+    Serial.println(F("Retrying WiFi"));
+    delay(1000);
+  }
+}
+
+uint32_t x=0;
+
+void loop() {
+  // Make sure to reset watchdog every loop iteration!
+  Watchdog.reset();
+
+  // Ensure the connection to the MQTT server is alive (this will make the first
+  // connection and automatically reconnect when disconnected).  See the MQTT_connect
+  // function definition further below.
+  MQTT_connect();
+
+  // this is our 'wait for incoming subscription packets' busy subloop
+  Adafruit_MQTT_Subscribe *subscription;
+  while ((subscription = mqtt.readSubscription(1000))) {
+    if (subscription == &onoffbutton) {
+      Serial.print(F("Got: "));
+      Serial.println((char *)onoffbutton.lastread);
+    }
+  }
+
+  // Now we can publish stuff!
+  Serial.print(F("\nSending photocell val "));
+  Serial.print(x);
+  Serial.print("...");
+  if (! photocell.publish(x++)) {
+    Serial.println(F("Failed"));
+  } else {
+    Serial.println(F("OK!"));
+  }
+
+  // ping the server to keep the mqtt connection alive
+  if(! mqtt.ping()) {
+    Serial.println(F("MQTT Ping failed."));
+  }
+
+}
+
+// Function to connect and reconnect as necessary to the MQTT server.
+// Should be called in the loop function and it will take care if connecting.
+void MQTT_connect() {
+  int8_t ret;
+
+  // Stop if already connected.
+  if (mqtt.connected()) {
+    return;
+  }
+
+  Serial.print("Connecting to MQTT... ");
+
+  while ((ret = mqtt.connect()) != 0) { // connect will return 0 for connected
+       Serial.println(mqtt.connectErrorString(ret));
+       if (ret < 0)
+            CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY);  // y0w, lets connect to wifi again
+       Serial.println("Retrying MQTT connection in 5 seconds...");
+       mqtt.disconnect();
+       delay(5000);  // wait 5 seconds
+  }
+  Serial.println("MQTT Connected!");
+}

examples/mqtt_winc1500/mqtt_winc1500.ino

@@ -11,7 +11,8 @@
 #include <SPI.h>
 #include "Adafruit_MQTT.h"
 #include "Adafruit_MQTT_Client.h"
-#include <WiFi101.h>
+#include <Adafruit_WINC1500.h>
+
 
 /************************* WiFI Setup *****************************/
 #define WINC_CS   8
@@ -19,6 +20,8 @@
 #define WINC_RST  4
 #define WINC_EN   2     // or, tie EN to VCC
 
+Adafruit_WINC1500 WiFi(WINC_CS, WINC_IRQ, WINC_RST);
+
 char ssid[] = "yournetwork";     //  your network SSID (name)
 char pass[] = "yourpassword";    // your network password (use for WPA, or use as key for WEP)
 int keyIndex = 0;                // your network key Index number (needed only for WEP)
@@ -35,7 +38,7 @@ int status = WL_IDLE_STATUS;
 /************ Global State (you don't need to change this!) ******************/
 
 //Set up the wifi client
-WiFiClient client;
+Adafruit_WINC1500Client client;
 
 Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
 
@@ -57,7 +60,10 @@ Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAM
 
 
 void setup() {
-  WiFi.setPins(WINC_CS, WINC_IRQ, WINC_RST, WINC_EN);
+#ifdef WINC_EN
+  pinMode(WINC_EN, OUTPUT);
+  digitalWrite(WINC_EN, HIGH);
+#endif
 
   while (!Serial);
   Serial.begin(115200);

library.properties

@@ -1,8 +1,8 @@
 name=Adafruit MQTT Library
-version=0.20.1
+version=0.16.2
 author=Adafruit
 maintainer=Adafruit <info@adafruit.com>
-sentence=MQTT library that supports the FONA, ESP8266, Yun, and generic Arduino Client hardware.
+sentence=MQTT library that supports the CC3000, FONA, ESP8266, Yun, and generic Arduino Client hardware.
 paragraph=Simple MQTT library that supports the bare minimum to publish and subscribe to topics.
 category=Communication
 url=https://github.com/adafruit/Adafruit_MQTT_Library