arduino/Adafruit_MQTT_Library
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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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37
examples/mqtt_cc3k/mqtt_cc3k.ino
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@ -1,14 +1,14 @@
/***************************************************
/***************************************************
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
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>
@ -30,7 +30,7 @@
#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,
#define WLAN_SECURITY WLAN_SEC_WPA2 // Can be: WLAN_SEC_UNSEC, WLAN_SEC_WEP,
// WLAN_SEC_WPA or WLAN_SEC_WPA2
/************************* Adafruit.io Setup *********************************/
@ -38,7 +38,7 @@
#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!) ******************/
@ -48,7 +48,10 @@ Adafruit_CC3000 cc3000 = Adafruit_CC3000(ADAFRUIT_CC3000_CS, ADAFRUIT_CC3000_IRQ
// 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;
@ -64,12 +67,12 @@ boolean CC3000connect(const char* wlan_ssid, const char* wlan_pass, uint8_t wlan
/****************************** 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);
@ -84,7 +87,7 @@ void setup() {
// Initialise the CC3000 module
Serial.print(F("\nInit the CC3000..."));
if (!cc3000.begin())
if (!cc3000.begin())
halt("Failed");
mqtt.subscribe(&onoffbutton);
@ -107,17 +110,17 @@ void setup() {
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"));
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);
delay(5000);
}
//////////////////////////////
Serial.println(F("MQTT Connected!"));
Serial.println(F("MQTT Connected!"));
}
uint32_t x=0;
@ -125,7 +128,7 @@ uint32_t x=0;
void loop() {
// Make sure to reset watchdog every loop iteration!
Watchdog.reset();
// Try to ping the MQTT server
/*
if (! mqtt.ping(3) ) {
@ -140,13 +143,13 @@ void loop() {
Adafruit_MQTT_Subscribe *subscription;
while (subscription = mqtt.readSubscription(1000)) {
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++)) {