2015-07-06 22:43:52 +02:00
|
|
|
/***************************************************
|
2015-06-11 00:38:34 +02:00
|
|
|
Adafruit MQTT Library FONA Example
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
Designed specifically to work with the Adafruit FONA
|
2015-06-11 00:38:34 +02:00
|
|
|
----> http://www.adafruit.com/products/1946
|
|
|
|
----> http://www.adafruit.com/products/1963
|
|
|
|
----> http://www.adafruit.com/products/2468
|
|
|
|
----> http://www.adafruit.com/products/2542
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
These cellular modules use TTL Serial to communicate, 2 pins are
|
2015-06-11 00:38:34 +02:00
|
|
|
required to interface.
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
Adafruit invests time and resources providing this open source code,
|
|
|
|
please support Adafruit and open-source hardware by purchasing
|
2015-06-11 00:38:34 +02:00
|
|
|
products from Adafruit!
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
Written by Limor Fried/Ladyada for Adafruit Industries.
|
2015-06-11 00:38:34 +02:00
|
|
|
MIT license, all text above must be included in any redistribution
|
|
|
|
****************************************************/
|
2015-06-10 06:22:36 +02:00
|
|
|
#include <Adafruit_SleepyDog.h>
|
|
|
|
#include <SoftwareSerial.h>
|
|
|
|
#include "Adafruit_FONA.h"
|
|
|
|
#include "Adafruit_MQTT.h"
|
|
|
|
#include "Adafruit_MQTT_FONA.h"
|
|
|
|
|
|
|
|
/*************************** FONA Pins ***********************************/
|
|
|
|
|
|
|
|
#define FONA_RX 2
|
|
|
|
#define FONA_TX 3
|
|
|
|
#define FONA_RST 4
|
|
|
|
SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
|
|
|
|
|
|
|
|
Adafruit_FONA fona = Adafruit_FONA(FONA_RST);
|
|
|
|
|
|
|
|
/************************* WiFi Access Point *********************************/
|
|
|
|
|
|
|
|
// Optionally configure a GPRS APN, username, and password.
|
|
|
|
// You might need to do this to access your network's GPRS/data
|
|
|
|
// network. Contact your provider for the exact APN, username,
|
|
|
|
// and password values. Username and password are optional and
|
|
|
|
// can be removed, but APN is required.
|
|
|
|
#define FONA_APN ""
|
|
|
|
#define FONA_USERNAME ""
|
|
|
|
#define FONA_PASSWORD ""
|
|
|
|
|
|
|
|
/************************* Adafruit.io Setup *********************************/
|
|
|
|
|
|
|
|
#define AIO_SERVER "io.adafruit.com"
|
|
|
|
#define AIO_SERVERPORT 1883
|
|
|
|
#define AIO_USERNAME "...your AIO username (see https://accounts.adafruit.com)..."
|
2015-07-06 22:43:52 +02:00
|
|
|
#define AIO_KEY "...your AIO key..."
|
2015-06-10 06:22:36 +02:00
|
|
|
|
|
|
|
/************ 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;
|
2015-07-06 22:43:52 +02:00
|
|
|
// 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).
|
2015-09-08 18:15:21 +02:00
|
|
|
const char MQTT_CLIENTID[] PROGMEM = __TIME__ AIO_USERNAME;
|
2015-06-10 06:22:36 +02:00
|
|
|
const char MQTT_USERNAME[] PROGMEM = AIO_USERNAME;
|
|
|
|
const char MQTT_PASSWORD[] PROGMEM = AIO_KEY;
|
|
|
|
|
|
|
|
// Setup the FONA MQTT class by passing in the FONA class and MQTT server and login details.
|
|
|
|
Adafruit_MQTT_FONA mqtt(&fona, MQTT_SERVER, AIO_SERVERPORT, MQTT_CLIENTID, MQTT_USERNAME, MQTT_PASSWORD);
|
|
|
|
|
|
|
|
// You don't need to change anything below this line!
|
|
|
|
#define halt(s) { Serial.println(F( s )); while(1); }
|
|
|
|
|
|
|
|
// FONAconnect is a helper function that sets up the FONA and connects to
|
|
|
|
// the GPRS network. See the fonahelper.cpp tab above for the source!
|
|
|
|
boolean FONAconnect(const __FlashStringHelper *apn, const __FlashStringHelper *username, const __FlashStringHelper *password);
|
|
|
|
|
|
|
|
/****************************** Feeds ***************************************/
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
// Setup a feed called 'photocell' for publishing.
|
2015-06-10 06:22:36 +02:00
|
|
|
// 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);
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
// Setup a feed called 'onoff' for subscribing to changes.
|
2015-06-10 06:22:36 +02:00
|
|
|
const char ONOFF_FEED[] PROGMEM = AIO_USERNAME "/feeds/onoff";
|
|
|
|
Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, ONOFF_FEED);
|
|
|
|
|
|
|
|
/*************************** Sketch Code ************************************/
|
|
|
|
|
|
|
|
// How many transmission failures in a row we're willing to be ok with before reset
|
|
|
|
uint8_t txfailures = 0;
|
|
|
|
#define MAXTXFAILURES 3
|
|
|
|
|
|
|
|
void setup() {
|
|
|
|
while (!Serial);
|
|
|
|
|
|
|
|
Serial.begin(115200);
|
|
|
|
|
|
|
|
Serial.println(F("Adafruit FONA MQTT demo"));
|
|
|
|
|
|
|
|
|
|
|
|
mqtt.subscribe(&onoffbutton);
|
|
|
|
|
|
|
|
// Initialise the FONA module
|
|
|
|
while (! FONAconnect(F(FONA_APN), F(FONA_USERNAME), F(FONA_PASSWORD))) {
|
|
|
|
halt("Retrying FONA");
|
|
|
|
}
|
|
|
|
|
|
|
|
Serial.println(F("Connected to Cellular!"));
|
|
|
|
|
|
|
|
Watchdog.reset();
|
|
|
|
delay(3000); // wait a few seconds to stabilize connection
|
|
|
|
Watchdog.reset();
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t x=0;
|
|
|
|
|
|
|
|
void loop() {
|
|
|
|
// Make sure to reset watchdog every loop iteration!
|
|
|
|
Watchdog.reset();
|
|
|
|
|
|
|
|
// check if we're still connected
|
|
|
|
if (!fona.TCPconnected() || (txfailures >= MAXTXFAILURES)) {
|
|
|
|
Serial.println(F("Connecting to MQTT..."));
|
|
|
|
int8_t ret, retries = 5;
|
|
|
|
while (retries && (ret = mqtt.connect()) != 0) {
|
2015-07-02 13:01:05 +02:00
|
|
|
Serial.println(mqtt.connectErrorString(ret));
|
2015-06-10 06:22:36 +02:00
|
|
|
Serial.println(F("Retrying MQTT connection"));
|
|
|
|
retries--;
|
|
|
|
if (retries == 0) halt("Resetting system");
|
2015-07-06 22:43:52 +02:00
|
|
|
delay(5000);
|
2015-06-10 06:22:36 +02:00
|
|
|
}
|
|
|
|
Serial.println(F("MQTT Connected!"));
|
2015-07-06 22:43:52 +02:00
|
|
|
txfailures = 0;
|
2015-06-10 06:22:36 +02:00
|
|
|
}
|
|
|
|
|
2015-07-06 22:43:52 +02:00
|
|
|
|
2015-06-10 06:22:36 +02:00
|
|
|
// Try to ping the MQTT server
|
|
|
|
/*
|
|
|
|
if (! mqtt.ping(3) ) {
|
|
|
|
// MQTT pings failed, lets reconnect
|
|
|
|
Serial.println("Ping fail!");
|
|
|
|
}
|
|
|
|
*/
|
2015-07-06 22:43:52 +02:00
|
|
|
|
2015-06-10 06:22:36 +02:00
|
|
|
|
|
|
|
// this is our 'wait for incoming subscription packets' busy subloop
|
|
|
|
Adafruit_MQTT_Subscribe *subscription;
|
2015-07-02 13:43:10 +02:00
|
|
|
while ((subscription = mqtt.readSubscription(5000))) {
|
2015-06-10 06:22:36 +02:00
|
|
|
if (subscription == &onoffbutton) {
|
2015-07-06 22:43:52 +02:00
|
|
|
Serial.print(F("Got: "));
|
2015-06-10 06:22:36 +02:00
|
|
|
Serial.println((char *)onoffbutton.lastread);
|
|
|
|
}
|
|
|
|
}
|
2015-07-06 22:43:52 +02:00
|
|
|
|
2015-06-10 06:22:36 +02:00
|
|
|
// Now we can publish stuff!
|
2015-07-06 22:43:52 +02:00
|
|
|
Serial.print(F("\nSending photocell val "));
|
2015-06-10 06:22:36 +02:00
|
|
|
Serial.print(x);
|
|
|
|
Serial.print("...");
|
|
|
|
if (! photocell.publish(x++)) {
|
|
|
|
Serial.println(F("Failed"));
|
|
|
|
txfailures++;
|
|
|
|
} else {
|
|
|
|
Serial.println(F("OK!"));
|
|
|
|
txfailures = 0;
|
|
|
|
}
|
|
|
|
}
|