256 lines
7.9 KiB
C++
256 lines
7.9 KiB
C++
* This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details. */
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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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#include <bsec.h>
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#include <Wire.h>
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#include <Ticker.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_LEDBackpack.h>
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#include <Adafruit_NeoPixel.h>
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String matrixausgabe_text = " "; // Ausgabetext als globale Variable
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volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
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IPAddress myOwnIP; // ownIP for mDNS
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//-------------- definition mqtt-object ueber WiFi
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WiFiClient espClient;
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PubSubClient mqttclient(espClient);
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//--------- list of mqtt callback functions
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#define MAX_MQTT_SUB 10 // maximal 10 subscriptions erlaubt
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typedef void (*mqtthandle) (byte*,unsigned int);
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typedef struct { // Typdeklaration Callback
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String topic; // mqtt-topic
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mqtthandle fun; // callback function
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}
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subscribe_type;
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subscribe_type mqtt_sub[MAX_MQTT_SUB];
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int mqtt_sub_count=0;
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String MQTT_Rx_Payload = "" ;
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//--------- mqtt callback function
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void mqttcallback(char* to, byte* pay, unsigned int len) {
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String topic = String(to);
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String payload = String((char*)pay);
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MQTT_Rx_Payload=payload.substring(0,len);
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Serial.println("\ncallback topic:" + topic + ", payload:" + MQTT_Rx_Payload);
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for (int i=0;i<mqtt_sub_count;i++) { // durchsuche alle subscriptions, bis topic passt
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if (topic==mqtt_sub[i].topic)
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mqtt_sub[i].fun(pay,len); // Aufruf der richtigen callback-Funktion
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}
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}
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//------------ reconnect mqtt-client
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void mqttreconnect() { // Loop until we're reconnected
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if (!mqttclient.connected()) {
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while (!mqttclient.connected()) {
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Serial.print("Attempting MQTT connection...");
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if (mqttclient.connect("MyConsumer" , "user", "passwort" )) {
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Serial.println("connected");
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for (int i=0;i<mqtt_sub_count;i++) { // subscribe topic
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mqttclient.subscribe(mqtt_sub[i].topic.c_str());
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Serial.println("\nsubscribe");
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Serial.print(mqtt_sub[i].topic);
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}
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}
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else {
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Serial.print("failed, rc=");
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Serial.print(mqttclient.state());
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Serial.println(" try again in 5 seconds");
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delay(5000);
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}
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}
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}
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else {
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mqttclient.loop();
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}
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}
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int MQTT = 0 ;
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void mqtt_callback_topic_Octopus_Temperatur(byte* pay, unsigned int len){ // ---------- my callbackfunction mqtt
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String payload = String((char*)pay); // payload als String interpretieren
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MQTT_Rx_Payload=payload.substring(0,len); // mit Länge von len Zeichen
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Serial.println("\n in callback payload:" + MQTT_Rx_Payload +"len:"+String(len));
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MQTT = MQTT_Rx_Payload.toFloat() ;
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Serial.print("Value:"+String(MQTT_Rx_Payload));
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Serial.println();
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if (( ( MQTT ) == ( 1000 ) ))
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{
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}
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else
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{
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}
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}
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int TEMP = 0 ;
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/*
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Bosch BSEC Lib, https://github.com/BoschSensortec/BSEC-Arduino-library
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The BSEC software is only available for download or use after accepting the software license agreement.
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By using this library, you have agreed to the terms of the license agreement:
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https://ae-bst.resource.bosch.com/media/_tech/media/bsec/2017-07-17_ClickThrough_License_Terms_Environmentalib_SW_CLEAN.pdf */
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Bsec iaqSensor; // Create an object of the class Bsec
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Ticker Bsec_Ticker; // schedule cyclic update via Ticker
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// ------------------------ Helper functions Bosch Bsec - Lib
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void checkIaqSensorStatus(void)
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{
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String output;
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if (iaqSensor.status != BSEC_OK) {
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if (iaqSensor.status < BSEC_OK) {
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output = "BSEC error code : " + String(iaqSensor.status);
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for (;;) {
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Serial.println(output);
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delay(500);
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} // Halt in case of failure
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}
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else {
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output = "BSEC warning code : " + String(iaqSensor.status);
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Serial.println(output);
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}
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}
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if (iaqSensor.bme680Status != BME680_OK) {
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if (iaqSensor.bme680Status < BME680_OK) {
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output = "BME680 error code : " + String(iaqSensor.bme680Status);
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for (;;){
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Serial.println(output);
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delay(500);
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} // Halt in case of failure
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}
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else {
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output = "BME680 warning code : " + String(iaqSensor.bme680Status);
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Serial.println(output);
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}
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}
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}
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// Housekeeping: scheduled update using ticker-lib
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void iaqSensor_Housekeeping(){ // get new data
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iaqSensor.run();
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}
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int HUM = 0 ;
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int PRESS = 0 ;
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// Adafruit Feather 7 Segment https://learn.adafruit.com/adafruit-7-segment-led-featherwings/overview
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Adafruit_7segment matrix7Seg = Adafruit_7segment(); // 7Segment Feather
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(2,13,NEO_GRBW + NEO_KHZ800);
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void setup(){ // Einmalige Initialisierung
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Serial.begin(115200);
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//----------------------------------MQTT-Client
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mqttclient.setServer("broker.mqttdashboard.com", 1883);
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mqttclient.setCallback(mqttcallback);
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Serial.println();
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mqttclient.setCallback(mqttcallback);
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//--------- prepare mqtt subscription
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mqtt_sub_count++; // add new element
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if (mqtt_sub_count < MAX_MQTT_SUB) {
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mqtt_sub[mqtt_sub_count-1].topic = "Octopus/status";
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mqtt_sub[mqtt_sub_count-1].fun = mqtt_callback_topic_Octopus_Temperatur; //callback function
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}
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else Serial.println(" err max. mqtt subscription");
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Wire.begin(); // ---- Initialisiere den I2C-Bus
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iaqSensor.begin(BME680_I2C_ADDR_PRIMARY, Wire);
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String output = "\nBSEC library version " + String(iaqSensor.version.major) + "." + String(iaqSensor.version.minor) + "." + String(iaqSensor.version.major_bugfix) + "." + String(iaqSensor.version.minor_bugfix);
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Serial.println(output);
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checkIaqSensorStatus();
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bsec_virtual_sensor_t sensorList[10] = {
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BSEC_OUTPUT_RAW_TEMPERATURE,
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BSEC_OUTPUT_RAW_PRESSURE,
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BSEC_OUTPUT_RAW_HUMIDITY,
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BSEC_OUTPUT_RAW_GAS,
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BSEC_OUTPUT_IAQ,
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BSEC_OUTPUT_STATIC_IAQ,
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BSEC_OUTPUT_CO2_EQUIVALENT,
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BSEC_OUTPUT_BREATH_VOC_EQUIVALENT,
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BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_TEMPERATURE,
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BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_HUMIDITY,
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};
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iaqSensor.updateSubscription(sensorList, 10, BSEC_SAMPLE_RATE_LP);
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checkIaqSensorStatus();
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iaqSensor_Housekeeping();
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Bsec_Ticker.attach_ms(3000, iaqSensor_Housekeeping);
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if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
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matrix7Seg.begin(0x70); // ---- Initialisiere 7Segment Matrix
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matrix7Seg.clear(); //
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matrix7Seg.writeDisplay();
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pixels.begin();//-------------- Initialisierung Neopixel
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delay(1);
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pixels.show();
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pixels.setPixelColor(0,0,0,0,0); // alle aus
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pixels.setPixelColor(1,0,0,0,0);
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pixels.show(); // und anzeigen
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//------------ WLAN initialisieren
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WiFi.persistent(false);
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WiFi.mode(WIFI_STA);
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delay(100);
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Serial.print ("\nWLAN connect to:");
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Serial.print("WIFI");
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WiFi.begin("SSID-Wifi","Wifi-Password-XXX");
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while (WiFi.status() != WL_CONNECTED) { // Warte bis Verbindung steht
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delay(500);
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Serial.print(".");
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};
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Serial.println ("\nconnected, meine IP:"+ WiFi.localIP().toString());
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matrixausgabe_text = " Meine IP:" + WiFi.localIP().toString();
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myOwnIP = WiFi.localIP();
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matrixausgabe_index=0;
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mqttreconnect();
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}
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void loop() { // Kontinuierliche Wiederholung
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mqttclient.loop();// MQTT-Client bedienen
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TEMP = iaqSensor.temperature ;
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HUM = iaqSensor.humidity ;
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PRESS = (iaqSensor.pressure/100.) ;
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if (( ( MQTT ) == ( 1000 ) ))
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{
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matrix7Seg.print(TEMP);
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matrix7Seg.writeDigitNum(0,1,true);
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matrix7Seg.writeDisplay();
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}
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else
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{
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if (( ( MQTT ) == ( 1001 ) ))
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{
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matrix7Seg.print(HUM);
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matrix7Seg.writeDigitNum(0,2,true);
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matrix7Seg.writeDisplay();
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}
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else
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{
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if (( ( MQTT ) == ( 1002 ) ))
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{
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matrix7Seg.print(PRESS);
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matrix7Seg.writeDigitNum(0,3,true);
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matrix7Seg.writeDisplay();
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}
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}
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}
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pixels.setPixelColor(0,0,30,0,0);
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pixels.show();
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delay( 100 );
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pixels.setPixelColor(0,0,0,0,0);
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pixels.show();
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delay( 500 );
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}
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