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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64
examples/mqtt_cc3k/mqtt_cc3k.ino
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@ -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!");
}