BuonGiorno al forum,
Volevo chiedere se qualcuno mi sapesse aiutare con la programmazione di un arduino mkr wifi 1010,
il mio progetto consiste nel aggiungere il comando remoto al apertura dei portoni del papazzo in cui abito,
quindi ho acquistato un arduino MKR che offre la possibilita di sfruttare l'iot di arduino,
ho poi costruito con una basetta mille fori il cuircuito di comando di due relé, due perche ho voluto aggiungere anche
l'accensione della luce della scala,
dopo varie ricerche di progetti che mi dessero uno spunto per poter realizzare il mio di progetto, ne ho trovato uno molto simile a questo link: apriamo il portone con google assistant,
che ho modificato in questo modo:
#include <WiFiNINA.h>
#include <SPI.h>
#include <Adafruit_MQTT.h>
#include <Adafruit_MQTT_Client.h>
#define DOOR_PIN 5
/************************* WiFi Access Point *********************************/
#define WLAN_SSID ""
#define WLAN_PASS ""
/************************* Adafruit.io Setup *********************************/
#define AIO_SERVER "io.adafruit.com"
#define AIO_SERVERPORT 1883 // use 8883 for SSL
#define AIO_USERNAME ""
#define AIO_KEY ""
/************ Global State (you don't need to change this!) ******************/
// Create an ESP8266 WiFiClient class to connect to the MQTT server.
WiFiClient client;
// or... use WiFiFlientSecure for SSL
//WiFiClientSecure client;
// Setup the MQTT client class by passing in the WiFi client and MQTT server and login details.
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
/****************************** Feeds ***************************************/
// Setup a feed called 'open-door' for subscribing to changes.
Adafruit_MQTT_Subscribe openDoorFeed = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/open-door");
/*************************** Sketch Code ************************************/
// Bug workaround for Arduino 1.6.6, it seems to need a function declaration
// for some reason (only affects ESP8266, likely an arduino-builder bug).
//void MQTT_connect();
void setup() {
Serial.begin(115200);
delay(10);
Serial.println(F("Adafruit MQTT demo"));
//pin output
pinMode(DOOR_PIN, OUTPUT);
digitalWrite(DOOR_PIN, LOW);
// Connect to WiFi access point.
Serial.println(); Serial.println();
Serial.print("Connecting to ");
Serial.println(WLAN_SSID);
WiFi.begin(WLAN_SSID, WLAN_PASS);
for(int i=0;i<60;i++){
if(WiFi.status() != WL_CONNECTED){
delay(500);
Serial.print(".");
}
}
Serial.println();
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
// Setup MQTT subscription for onoff feed.
mqtt.subscribe(&openDoorFeed);
}
uint32_t x=0;
void loop() {
// 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();
// this is our 'wait for incoming subscription packets' busy subloop
// try to spend your time here
Adafruit_MQTT_Subscribe *subscription;
while ((subscription = mqtt.readSubscription(5000))) {
if (subscription == &openDoorFeed) {
Serial.print(F("Got: "));
Serial.println((char *)openDoorFeed.lastread);
openDoor();
}
}
// ping the server to keep the mqtt connection alive
// NOT required if you are publishing once every KEEPALIVE seconds
if(! mqtt.ping()) {
mqtt.disconnect();
}
}
void openDoor() {
digitalWrite(DOOR_PIN, HIGH);
delay(1000);
digitalWrite(DOOR_PIN, LOW);
}
// 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... ");
uint8_t retries = 3;
while ((ret = mqtt.connect()) != 0) { // connect will return 0 for connected
Serial.println(mqtt.connectErrorString(ret));
Serial.println("Retrying MQTT connection in 5 seconds...");
mqtt.disconnect();
delay(5000); // wait 5 seconds
retries--;
if (retries == 0) {
// basically die and wait for WDT to reset me
setup();
}
}
Serial.println("MQTT Connected!");
}
che ho modificato in modo che si riconnetta al wifi, cambi tra una connessione wifi ed un altra nel caso una non stia funzionando, verifica la connessione ad internet e si connetta tramite MQTT ad adafruit.io,
allego il codice..
ApriportoneRiconnessioneSwitchWIFI.ino (5.32 KB)