arduino/Adafruit_MQTT_Library
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Merge connected branch, bump to version 0.9.3

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This commit is contained in:
Tony DiCola
2015-07-14 15:54:04 -07:00
parent 9b92bb379c 643c906aa6
commit 23f919adc3
8 changed files with 125 additions and 70 deletions
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5
Adafruit_MQTT.h
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@@ -66,7 +66,7 @@
#define MQTT_CONN_KEEPALIVE 300
// Largest full packet we're able to send.
// Need to be able to store at least ~90 chars for a connect packet with full
// Need to be able to store at least ~90 chars for a connect packet with full
// 23 char client ID.
#define MAXBUFFERSIZE (125)
@@ -111,6 +111,9 @@ class Adafruit_MQTT {
// otherwise.
virtual bool disconnect() = 0; // Subclasses need to fill this in!
// Return true if connected to the MQTT server, otherwise false.
virtual bool connected() = 0; // Subclasses need to fill this in!
// 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, char *payload, uint8_t qos);

25
Adafruit_MQTT_CC3000.h
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@@ -28,7 +28,7 @@
// delay in ms between calls of available()
#define MQTT_CC3000_INTERAVAILDELAY 10
#define MQTT_CC3000_INTERAVAILDELAY 10
// CC3000-specific version of the Adafruit_MQTT class.
@@ -37,7 +37,7 @@
// 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,
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)
@@ -66,9 +66,9 @@ class Adafruit_MQTT_CC3000 : public Adafruit_MQTT {
if (!dnsretries) return false;
delay(500);
}
serverip = ip;
cc3000->printIPdotsRev(serverip);
cc3000->printIPdotsRev(serverip);
Serial.println();
}
@@ -77,15 +77,24 @@ class Adafruit_MQTT_CC3000 : public Adafruit_MQTT {
// connect to server
DEBUG_PRINTLN(F("Connecting to TCP"));
mqttclient = cc3000->connectTCP(serverip, portnum);
return mqttclient.connected();
}
bool disconnect() {
return (mqttclient.close() == 0);
if (connected()) {
return (mqttclient.close() == 0);
}
else {
return true;
}
}
uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout,
bool connected() {
return mqttclient.connected();
}
uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout,
bool checkForValidPubPacket = false) {
/* Read data until either the connection is closed, or the idle timeout is reached. */
uint16_t len = 0;
@@ -137,7 +146,7 @@ class Adafruit_MQTT_CC3000 : public Adafruit_MQTT {
}
return true;
}
private:
uint32_t serverip;
Adafruit_CC3000 *cc3000;

16
Adafruit_MQTT_Client.cpp
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@@ -34,13 +34,21 @@ bool Adafruit_MQTT_Client::connectServer() {
}
bool Adafruit_MQTT_Client::disconnect() {
// Stop connection and return success (stop has no indication of failure).
client->stop();
return true;
// Stop connection if connected and return success (stop has no indication of
// failure).
if (client->connected()) {
client->stop();
}
return true;
}
bool Adafruit_MQTT_Client::connected() {
// Return true if connected, false if not connected.
return client->connected();
}
uint16_t Adafruit_MQTT_Client::readPacket(uint8_t *buffer, uint8_t maxlen,
int16_t timeout,
int16_t timeout,
bool checkForValidPubPacket) {
/* Read data until either the connection is closed, or the idle timeout is reached. */
uint16_t len = 0;

7
Adafruit_MQTT_Client.h
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@@ -27,7 +27,7 @@
// How long to delay waiting for new data to be available in readPacket.
#define MQTT_CLIENT_READINTERVAL_MS 10
#define MQTT_CLIENT_READINTERVAL_MS 10
// MQTT client implementation for a generic Arduino Client interface. Can work
@@ -44,10 +44,11 @@ class Adafruit_MQTT_Client : public Adafruit_MQTT {
bool connectServer();
bool disconnect();
uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout,
bool connected();
uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout,
bool checkForValidPubPacket = false);
bool sendPacket(uint8_t *buffer, uint8_t len);
private:
Client* client;
};

21
Adafruit_MQTT_FONA.h
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@@ -35,7 +35,7 @@
// in the compilation of the library).
class Adafruit_MQTT_FONA : public Adafruit_MQTT {
public:
Adafruit_MQTT_FONA(Adafruit_FONA *f, const char *server, uint16_t port,
Adafruit_MQTT_FONA(Adafruit_FONA *f, const char *server, uint16_t port,
const char *cid, const char *user, const char *pass):
Adafruit_MQTT(server, port, cid, user, pass),
fona(f)
@@ -55,7 +55,12 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
return fona->TCPclose();
}
uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout,
bool connected() {
// Return true if connected, false if not connected.
return fona->TCPconnected();
}
uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout,
bool checkForValidPubPacket = false) {
uint8_t *buffp = buffer;
DEBUG_PRINTLN(F("Reading a packet.."));
@@ -72,7 +77,7 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
DEBUG_PRINT('.');
while (avail = fona->TCPavailable()) {
DEBUG_PRINT('!');
if (len + avail > maxlen) {
avail = maxlen - len;
if (avail == 0) return len;
@@ -80,7 +85,7 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
// try to read the data into the end of the pointer
if (! fona->TCPread(buffp, avail)) return len;
// read it! advance pointer
buffp += avail;
len += avail;
@@ -103,14 +108,14 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
return len;
}
}
}
Watchdog.reset();
timeout -= MQTT_FONA_INTERAVAILDELAY;
timeout -= MQTT_FONA_QUERYDELAY; // this is how long it takes to query the FONA for avail()
delay(MQTT_FONA_INTERAVAILDELAY);
}
return len;
}
@@ -127,9 +132,9 @@ class Adafruit_MQTT_FONA : public Adafruit_MQTT {
DEBUG_PRINTLN(F("Connection failed!"));
return false;
}
return true;
return true;
}
private:
uint32_t serverip;
Adafruit_FONA *fona;

64
examples/mqtt_cc3k/mqtt_cc3k.ino
View File

@@ -94,33 +94,8 @@ void setup() {
while (! CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY)) {
Serial.println(F("Retrying WiFi"));
while(1);
delay(1000);
}
Serial.println(F("Connected to WiFi!"));
//////////////////////////////
Serial.println(F("Connecting to MQTT..."));
int8_t ret;
while ((ret = mqtt.connect()) != 0) {
switch (ret) {
case 1: Serial.println(F("Wrong protocol")); break;
case 2: Serial.println(F("ID rejected")); break;
case 3: Serial.println(F("Server unavail")); break;
case 4: Serial.println(F("Bad user/pass")); break;
case 5: Serial.println(F("Not authed")); break;
case 6: Serial.println(F("Failed to subscribe")); break;
default: {
Serial.println(F("Connection failed"));
CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY); // y0w, lets connect to wifi again
return; // restart the loop
}
}
Serial.println(F("Retrying MQTT connection"));
delay(5000);
}
//////////////////////////////
Serial.println(F("MQTT Connected!"));
}
uint32_t x=0;
@@ -129,6 +104,11 @@ 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();
// Try to ping the MQTT server
/*
if (! mqtt.ping(3) ) {
@@ -158,3 +138,35 @@ void loop() {
Serial.println(F("OK!"));
}
}
// 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
switch (ret) {
case 1: Serial.println("Wrong protocol"); break;
case 2: Serial.println("ID rejected"); break;
case 3: Serial.println("Server unavailable"); break;
case 4: Serial.println("Bad user/password"); break;
case 5: Serial.println("Not authenticated"); break;
case 6: Serial.println("Failed to subscribe"); break;
default:
Serial.println(F("Connection failed"));
CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY); // y0w, lets connect to wifi again
break;
}
Serial.println("Retrying MQTT connection in 5 seconds...");
mqtt.disconnect();
delay(5000); // wait 5 seconds
}
Serial.println("MQTT Connected!");
}

55
examples/mqtt_esp8266/mqtt_esp8266.ino
View File

@@ -84,30 +84,16 @@ void setup() {
// Setup MQTT subscription for onoff feed.
mqtt.subscribe(&onoffbutton);
// Connect to MQTT server.
Serial.println(F("Connecting to MQTT..."));
int8_t ret;
while ((ret = mqtt.connect()) != 0) {
switch (ret) {
case 1: Serial.println(F("Wrong protocol")); break;
case 2: Serial.println(F("ID rejected")); break;
case 3: Serial.println(F("Server unavail")); break;
case 4: Serial.println(F("Bad user/pass")); break;
case 5: Serial.println(F("Not authed")); break;
case 6: Serial.println(F("Failed to subscribe")); break;
default: Serial.println(F("Couldn't connect to MQTT server")); break;
}
Serial.println(F("Retrying MQTT connection"));
mqtt.disconnect();
delay(5000);
}
Serial.println(F("MQTT Connected!"));
}
uint32_t x=0;
void loop() {
// 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();
// Try to ping the MQTT server
/*
if (! mqtt.ping(3) ) {
@@ -137,3 +123,34 @@ void loop() {
delay(1000);
}
// 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
switch (ret) {
case 1: Serial.println("Wrong protocol"); break;
case 2: Serial.println("ID rejected"); break;
case 3: Serial.println("Server unavailable"); break;
case 4: Serial.println("Bad user/password"); break;
case 5: Serial.println("Not authenticated"); break;
case 6: Serial.println("Failed to subscribe"); break;
default: Serial.print("Couldn't connect to server, code: ");
Serial.println(ret);
break;
}
Serial.println("Retrying MQTT connection in 5 seconds...");
mqtt.disconnect();
delay(5000); // wait 5 seconds
}
Serial.println("MQTT Connected!");
}

2
library.properties
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@@ -1,5 +1,5 @@
name=Adafruit MQTT Library
version=0.9.1
version=0.9.2
author=Adafruit
maintainer=Adafruit <info@adafruit.com>
sentence=MQTT library that supports the CC3000, FONA, ESP8266, and generic Arduino Client hardware.