153 lines
5.3 KiB
C++
153 lines
5.3 KiB
C++
#include <Adafruit_SleepyDog.h>
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#include <Adafruit_CC3000.h>
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#include <SPI.h>
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#include "utility/debug.h"
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#include "Adafruit_MQTT.h"
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#include "Adafruit_MQTT_CC3000.h"
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/*************************** CC3000 Pins ***********************************/
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#define ADAFRUIT_CC3000_IRQ 3 // MUST be an interrupt pin!
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#define ADAFRUIT_CC3000_VBAT 5 // VBAT & CS can be any digital pins.
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#define ADAFRUIT_CC3000_CS 10
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// Use hardware SPI for the remaining pins
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// On an UNO, SCK = 13, MISO = 12, and MOSI = 11
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// Alternate config:
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//#define ADAFRUIT_CC3000_IRQ 2
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//#define ADAFRUIT_CC3000_VBAT 8
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//#define ADAFRUIT_CC3000_CS 10
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/************************* WiFi Access Point *********************************/
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#define WLAN_SSID "...your SSID..." // can't be longer than 32 characters!
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#define WLAN_PASS "...your password..."
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#define WLAN_SECURITY WLAN_SEC_WPA2 // Can be: WLAN_SEC_UNSEC, WLAN_SEC_WEP,
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// WLAN_SEC_WPA or WLAN_SEC_WPA2
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/************************* Adafruit.io Setup *********************************/
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#define AIO_SERVER "io.adafruit.com"
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#define AIO_SERVERPORT 1883
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#define AIO_USERNAME "...your AIO username (see https://accounts.adafruit.com)..."
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#define AIO_KEY "...your AIO key...";
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/* Debug server configuration (not normally used):
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#define AIO_SERVER "apt.adafruit.com"
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#define AIO_SERVERPORT 1883
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*/
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/************ Global State (you don't need to change this!) ******************/
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// Setup the main CC3000 class, just like a normal CC3000 sketch.
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Adafruit_CC3000 cc3000 = Adafruit_CC3000(ADAFRUIT_CC3000_CS, ADAFRUIT_CC3000_IRQ, ADAFRUIT_CC3000_VBAT);
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// Store the MQTT server, client ID, username, and password in flash memory.
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// This is required for using the Adafruit MQTT library.
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const char MQTT_SERVER[] PROGMEM = AIO_SERVER;
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const char MQTT_CLIENTID[] PROGMEM = AIO_KEY;
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const char MQTT_USERNAME[] PROGMEM = AIO_USERNAME;
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const char MQTT_PASSWORD[] PROGMEM = AIO_KEY;
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// Setup the CC3000 MQTT class by passing in the CC3000 class and MQTT server and login details.
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Adafruit_MQTT_CC3000 mqtt(&cc3000, MQTT_SERVER, AIO_SERVERPORT, MQTT_CLIENTID, MQTT_USERNAME, MQTT_PASSWORD);
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// You don't need to change anything below this line!
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#define halt(s) { Serial.println(F( s )); while(1); }
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// CC3000connect is a helper function that sets up the CC3000 and connects to
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// the WiFi network. See the cc3000helper.cpp tab above for the source!
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boolean CC3000connect(const char* wlan_ssid, const char* wlan_pass, uint8_t wlan_security);
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/****************************** Feeds ***************************************/
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// Setup a feed called 'photocell' for publishing.
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// Notice MQTT paths for AIO follow the form: <username>/feeds/<feedname>
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const char PHOTOCELL_FEED[] PROGMEM = AIO_USERNAME "/feeds/photocell";
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Adafruit_MQTT_Publish photocell = Adafruit_MQTT_Publish(&mqtt, PHOTOCELL_FEED);
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// Setup a feed called 'onoff' for subscribing to changes.
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const char ONOFF_FEED[] PROGMEM = AIO_USERNAME "/feeds/onoff";
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Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, ONOFF_FEED);
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/*************************** Sketch Code ************************************/
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void setup() {
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Serial.begin(115200);
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Serial.println(F("Adafruit MQTT demo"));
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Serial.print(F("Free RAM: ")); Serial.println(getFreeRam(), DEC);
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// Initialise the CC3000 module
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Serial.print(F("\nInit the CC3000..."));
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if (!cc3000.begin())
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halt("Failed");
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mqtt.subscribe(&onoffbutton);
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while (! CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY)) {
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Serial.println(F("Retrying WiFi"));
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while(1);
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}
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Serial.println(F("Connected to WiFi!"));
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//////////////////////////////
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Serial.println(F("Connecting to MQTT..."));
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int8_t ret;
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while ((ret = mqtt.connect()) != 0) {
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switch (ret) {
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case 1: Serial.println(F("Wrong protocol")); break;
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case 2: Serial.println(F("ID rejected")); break;
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case 3: Serial.println(F("Server unavail")); break;
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case 4: Serial.println(F("Bad user/pass")); break;
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case 5: Serial.println(F("Not authed")); break;
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case 6: Serial.println(F("Failed to subscribe")); break;
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default: {
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Serial.println(F("Connection failed"));
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CC3000connect(WLAN_SSID, WLAN_PASS, WLAN_SECURITY); // y0w, lets connect to wifi again
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return; // restart the loop
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}
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}
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Serial.println(F("Retrying MQTT connection"));
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delay(5000);
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}
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//////////////////////////////
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Serial.println(F("MQTT Connected!"));
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}
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uint32_t x=0;
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void loop() {
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// Make sure to reset watchdog every loop iteration!
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Watchdog.reset();
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// Try to ping the MQTT server
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/*
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if (! mqtt.ping(3) ) {
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// MQTT pings failed, lets reconnect
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Serial.println("Ping fail!");
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}
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*/
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// this is our 'wait for incoming subscription packets' busy subloop
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Adafruit_MQTT_Subscribe *subscription;
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while (subscription = mqtt.readSubscription(1000)) {
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if (subscription == &onoffbutton) {
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Serial.print(F("Got: "));
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Serial.println((char *)onoffbutton.lastread);
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}
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}
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// Now we can publish stuff!
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Serial.print(F("\nSending photocell val "));
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Serial.print(x);
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Serial.print("...");
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if (! photocell.publish(x++)) {
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Serial.println(F("Failed"));
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} else {
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Serial.println(F("OK!"));
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}
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}
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