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Add date and time to client ID generation for more unique value.

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This commit is contained in:
Tony DiCola
2015-07-06 13:43:52 -07:00
parent 207bcd44dd
commit 9b92bb379c
4 changed files with 62 additions and 53 deletions
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39
examples/mqtt_fona/mqtt_fona.ino
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@ -1,20 +1,20 @@
/***************************************************
/***************************************************
Adafruit MQTT Library FONA Example
Designed specifically to work with the Adafruit FONA
Designed specifically to work with the Adafruit FONA
----> http://www.adafruit.com/products/1946
----> http://www.adafruit.com/products/1963
----> http://www.adafruit.com/products/2468
----> http://www.adafruit.com/products/2542
These cellular modules use TTL Serial to communicate, 2 pins are
These cellular modules use TTL Serial to communicate, 2 pins are
required to interface.
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
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.
Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution
****************************************************/
#include <Adafruit_SleepyDog.h>
@ -48,14 +48,17 @@ Adafruit_FONA fona = Adafruit_FONA(FONA_RST);
#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...";
#define AIO_KEY "...your AIO key..."
/************ Global State (you don't need to change this!) ******************/
// Store the MQTT server, client ID, username, and password in flash memory.
// This is required for using the Adafruit MQTT library.
const char MQTT_SERVER[] PROGMEM = AIO_SERVER;
const char MQTT_CLIENTID[] PROGMEM = AIO_KEY;
// Set a unique MQTT client ID using the AIO key + the date and time the sketch
// was compiled (so this should be unique across multiple devices for a user,
// alternatively you can manually set this to a GUID or other random value).
const char MQTT_CLIENTID[] PROGMEM = AIO_KEY __DATE__ __TIME__;
const char MQTT_USERNAME[] PROGMEM = AIO_USERNAME;
const char MQTT_PASSWORD[] PROGMEM = AIO_KEY;
@ -71,12 +74,12 @@ boolean FONAconnect(const __FlashStringHelper *apn, const __FlashStringHelper *u
/****************************** Feeds ***************************************/
// Setup a feed called 'photocell' for publishing.
// Setup a feed called 'photocell' for publishing.
// Notice MQTT paths for AIO follow the form: <username>/feeds/<feedname>
const char PHOTOCELL_FEED[] PROGMEM = AIO_USERNAME "/feeds/photocell";
Adafruit_MQTT_Publish photocell = Adafruit_MQTT_Publish(&mqtt, PHOTOCELL_FEED);
// Setup a feed called 'onoff' for subscribing to changes.
// Setup a feed called 'onoff' for subscribing to changes.
const char ONOFF_FEED[] PROGMEM = AIO_USERNAME "/feeds/onoff";
Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, ONOFF_FEED);
@ -127,20 +130,20 @@ void loop() {
case 5: Serial.println(F("Not authed")); break;
case 6: Serial.println(F("Failed to subscribe")); break;
default: {
Serial.println(F("Connection failed"));
Serial.println(F("Connection failed"));
break;
}
}
Serial.println(F("Retrying MQTT connection"));
retries--;
if (retries == 0) halt("Resetting system");
delay(5000);
delay(5000);
}
Serial.println(F("MQTT Connected!"));
txfailures = 0;
txfailures = 0;
}
// Try to ping the MQTT server
/*
if (! mqtt.ping(3) ) {
@ -148,19 +151,19 @@ void loop() {
Serial.println("Ping fail!");
}
*/
// this is our 'wait for incoming subscription packets' busy subloop
Adafruit_MQTT_Subscribe *subscription;
while (subscription = mqtt.readSubscription(5000)) {
if (subscription == &onoffbutton) {
Serial.print(F("Got: "));
Serial.print(F("Got: "));
Serial.println((char *)onoffbutton.lastread);
}
}
// Now we can publish stuff!
Serial.print(F("\nSending photocell val "));
Serial.print(F("\nSending photocell val "));
Serial.print(x);
Serial.print("...");
if (! photocell.publish(x++)) {