87 lines
1.7 KiB
C++
87 lines
1.7 KiB
C++
#include <Arduino.h>
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#include "mqttled.h"
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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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// WIFI
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WiFiClient espClient;
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// MQTT
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char message_buff[100];
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PubSubClient client(espClient);
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void setup() {
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Serial.begin(SERIAL_SPEED);
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Serial.println("\nresetting");
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// WIFI
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setupWifi();
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// MQTT
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client.setServer(mqtt_server, mqtt_port);
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client.setCallback(callbackMQTT);
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testConnectMQTT();
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pinMode(LED_PIN, OUTPUT);
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}
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// WIFI
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void setupWifi() {
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Serial.print("Connexion a ");
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Serial.print(WIFI_SSID);
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WiFi.mode(WIFI_STA);
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println(" OK");
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Serial.print("IP : ");
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Serial.println(WiFi.localIP());
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}
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// MQTT
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void testConnectMQTT() {
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while (!client.connected()) {
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Serial.print("Connexion au serveur MQTT... ");
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if (client.connect("ESP8266Client", MQTT_USER, MQTT_PASS)) {
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Serial.print("OK\nSubscribe");
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client.subscribe("homeassistant/switch1");
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Serial.println(" OK");
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} else {
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Serial.print("KO, erreur : ");
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Serial.print(client.state());
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Serial.println(", on attend 5 secondes avant de recommencer");
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delay(5000);
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}
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}
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}
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void callbackMQTT(char* topic, byte* payload, unsigned int length) {
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String stopic = String(topic);
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unsigned int i = 0;
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for(i = 0; i < length; i++) {
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message_buff[i] = payload[i];
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}
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message_buff[i] = '\0';
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String msgString = String(message_buff);
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Serial.print("Received [" + stopic + "] : ");
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Serial.println(msgString);
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if (msgString == "ON") {
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digitalWrite(LED_PIN, HIGH);
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} else {
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digitalWrite(LED_PIN, LOW);
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}
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}
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void loop() {
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testConnectMQTT();
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client.loop();=
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}
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