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Julien Cabillot
40
arduino/mqttfastledmenu.example.h
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40
arduino/mqttfastledmenu.example.h
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#define SERIAL_SPEED 115200
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// LED
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#define LED_NUM 300
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#define LED_PIN 5 // = D1
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#define LED_CHIPSET WS2812B
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#define LED_COLOR_ORDER GRB
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#define LED_BRIGHTNESS_DEFAULT 96
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#define LED_SPEED_DEFAULT 120
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#define LED_COLOR_DEFAULT CRGB::Red
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#define LED_EFFECT_CYLON "cylon"
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#define LED_EFFECT_FULLRED "full"
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#define LED_EFFECT_ERROR "error"
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// WIFI
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#define WIFI_SSID "XXX"
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#define WIFI_PASSWORD "XXX"
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// MQTT
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#define MQTT_SERVER "XXX"
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#define MQTT_PORT 1883
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#define MQTT_USER "XXX"
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#define MQTT_PASS "XXX"
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#define MQTT_LED_STATE "strip1/switch"
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#define MQTT_LED_COMMAND "strip1/status"
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#define MQTT_LED_EFFECT_COMMAND "strip1/effect/switch"
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#define MQTT_LED_EFFECT_STATE "strip1/effect/status"
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#define MQTT_LED_BRIGHTNESS_COMMAND "strip1/brightness/switch"
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#define MQTT_LED_BRIGHTNESS_STATE "strip1/brightness/status"
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#define MQTT_LED_SPEED_COMMAND "strip1/speed/switch"
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#define MQTT_LED_SPEED_STATE "strip1/speed/status"
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#define MQTT_LED_COLOR_COMMAND "strip1/color/switch"
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#define MQTT_LED_COLOR_STATE "strip1/color/status"
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// FastLED
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// TODO : essayer, devrait limiter le flikering
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//#define FASTLED_ALLOW_INTERRUPTS 0
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#define FASTLED_ESP8266_NODEMCU_PIN_ORDER
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208
arduino/mqttfastledmenu.ino
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208
arduino/mqttfastledmenu.ino
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#include "mqttfastledmenu.h"
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#include <FastLED.h>
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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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// LED
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int brightness = LED_BRIGHTNESS_DEFAULT;
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int color = LED_COLOR_DEFAULT;
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int speed = LED_SPEED_DEFAULT;
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CRGB leds[LED_NUM];
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String ledEffect = LED_EFFECT_CYLON;
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boolean ledState = false;
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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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{
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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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client.subscribe(MQTT_LED_COMMAND);
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client.subscribe(MQTT_LED_EFFECT_COMMAND);
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client.subscribe(MQTT_LED_BRIGHTNESS_COMMAND);
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client.subscribe(MQTT_LED_SPEED_COMMAND);
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client.subscribe(MQTT_LED_COLOR_COMMAND);
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// LED
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LEDS.addLeds<LED_CHIPSET,LED_PIN, LED_COLOR_ORDER>(leds, LED_NUM).setCorrection(TypicalSMD5050);
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ledBlackAll();
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FastLED.setBrightness(brightness);
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}
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// WIFI
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void setupWifi()
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{
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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();
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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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{
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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.println("OK");
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client.subscribe(MQTT_LED_COMMAND);
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client.subscribe(MQTT_LED_EFFECT_COMMAND);
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client.subscribe(MQTT_LED_BRIGHTNESS_COMMAND);
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client.subscribe(MQTT_LED_SPEED_COMMAND);
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client.subscribe(MQTT_LED_COLOR_COMMAND);
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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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// Déclenche les actions à la réception d'un message
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void callbackMQTT(char* topic, byte* payload, unsigned int length)
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{
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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 (stopic == MQTT_LED_COMMAND) {
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if (msgString == "ON") {
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ledState = true;
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client.publish(MQTT_LED_STATE, message_buff, true);
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} else {
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ledState = false;
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client.publish(MQTT_LED_STATE, message_buff, true);
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}
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} else if (stopic == MQTT_LED_EFFECT_COMMAND) {
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// Si on ne repasse pas tout à noir, cela peut faire des effets surprenants
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ledBlackAll();
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ledEffect = msgString;
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// TODO : a vraiment tester
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client.publish(MQTT_LED_EFFECT_STATE, message_buff, true);
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} else if (stopic == MQTT_LED_BRIGHTNESS_COMMAND) {
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brightness = msgString.toInt();
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FastLED.setBrightness(brightness);
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client.publish(MQTT_LED_BRIGHTNESS_STATE, message_buff, true);
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} else if (stopic == MQTT_LED_COLOR_COMMAND) {
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// Sample : 134,168,255
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color = CRGB(
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msgString.substring(0,3).toInt(),
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msgString.substring(4,7).toInt(),
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msgString.substring(8,11).toInt()
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);
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client.publish(MQTT_LED_COLOR_STATE, message_buff, true);
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} else if (stopic == MQTT_LED_SPEED_COMMAND) {
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speed = msgString.toInt();
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client.publish(MQTT_LED_SPEED_STATE, message_buff, true);
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}
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}
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// LED
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void ledBlackAll()
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{
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FastLED.clear();
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FastLED.show();
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}
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void ledCylon()
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{
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// Effet cylon : on allume une led, on attends, on eteinds, on passe à la suivante
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for(int i = 0; i < LED_NUM; i++) {
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EVERY_N_SECONDS(1) {
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client.loop();
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if (ledEffect != LED_EFFECT_CYLON) {
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return;
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}
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}
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leds[i] = color;
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FastLED.delay(1000 / speed);
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leds[i] = CRGB::Black;
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FastLED.delay(1000 / speed);
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}
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for(int i = LED_NUM - 1; i > 0; i--) {
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EVERY_N_SECONDS(1) {
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client.loop();
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if (ledEffect != LED_EFFECT_CYLON) {
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return;
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}
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}
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leds[i] = color;
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FastLED.delay(1000 / speed);
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leds[i] = CRGB::Black;
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FastLED.show();
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}
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FastLED.delay(1000 / speed);
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}
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void ledError()
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{
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for(int i = 0; i < LED_NUM; i++) {
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if ((i % 2) == 0) {
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leds[i] = CRGB::Black;
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} else {
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leds[i] = color;
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}
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}
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FastLED.delay(1000 / speed);
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}
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void ledFullColor()
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{
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fill_solid(leds, LED_NUM, color);
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FastLED.delay(1000 / speed);
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}
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void loop() {
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// MQTT
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testConnectMQTT();
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client.loop();
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// LED
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if (!ledState) {
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FastLED.delay(1000);
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} else {
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if (ledEffect == LED_EFFECT_CYLON) {
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ledCylon();
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} else if (ledEffect == LED_EFFECT_FULLRED) {
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ledFullColor();
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} else {
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ledError();
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}
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}
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}
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