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Adafruit_MQTT_Library
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working fona example without progmem

This commit is contained in:
ladyada 2016-08-09 14:27:30 -04:00
parent 5f3a1e2322
commit f009049016
1 changed files with 16 additions and 22 deletions
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38
examples/mqtt_fona/mqtt_fona.ino
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@ -25,8 +25,9 @@
/*************************** FONA Pins ***********************************/
#define FONA_RX 2
#define FONA_TX 3
// Default pins for Feather 32u4 FONA
#define FONA_RX 9
#define FONA_TX 8
#define FONA_RST 4
SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
@ -52,14 +53,8 @@ Adafruit_FONA fona = Adafruit_FONA(FONA_RST);
/************ Global State (you don't need to change this!) ******************/
// Store the MQTT server, 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_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_USERNAME, MQTT_PASSWORD);
Adafruit_MQTT_FONA mqtt(&fona, 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); }
@ -72,11 +67,11 @@ boolean FONAconnect(const __FlashStringHelper *apn, const __FlashStringHelper *u
// 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";
const char PHOTOCELL_FEED[] = AIO_USERNAME "/feeds/photocell";
Adafruit_MQTT_Publish photocell = Adafruit_MQTT_Publish(&mqtt, PHOTOCELL_FEED);
// Setup a feed called 'onoff' for subscribing to changes.
const char ONOFF_FEED[] PROGMEM = AIO_USERNAME "/feeds/onoff";
const char ONOFF_FEED[] = AIO_USERNAME "/feeds/onoff";
Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, ONOFF_FEED);
/*************************** Sketch Code ************************************/
@ -124,17 +119,6 @@ void loop() {
// function definition further below.
MQTT_connect();
Watchdog.reset();
// 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.println((char *)onoffbutton.lastread);
}
}
Watchdog.reset();
// Now we can publish stuff!
Serial.print(F("\nSending photocell val "));
@ -148,6 +132,16 @@ void loop() {
txfailures = 0;
}
Watchdog.reset();
// 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.println((char *)onoffbutton.lastread);
}
}
// ping the server to keep the mqtt connection alive, only needed if we're not publishing
//if(! mqtt.ping()) {
// Serial.println(F("MQTT Ping failed."));