mirror of
https://github.com/1technophile/OpenMQTTGateway.git
synced 2026-03-06 23:38:51 +01:00
d8dba15a81
* factoring of the publishing function * integration of json publishing to MQTT * receiving and transcode json messages from mqtt * replace the TRACE runtime condition by a buildtime one so as to decrease program size * remove retainFlag parameter not necessary for the moment * Increase the scope of tests for arduino mega and esp32 * Update arduinojson library to 5.13.3 * add macros to choose between simple or json publishing or both * differentiate build test for ATmega2560 * correct wrong sprintf definition * change IDE version for continuous integration * let default warning level in arduino ide * correct pins for ESP32 * reorganize user_config
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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OpenMQTTGateway Addon - ESP8266 or Arduino program for home automation
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Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal and a MQTT broker
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Send and receiving command by MQTT
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DHT reading Addon
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Copyright: (c)Florian ROBERT
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Contributors:
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- prahjister
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- 1technophile
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This file is part of OpenMQTTGateway.
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OpenMQTTGateway is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenMQTTGateway 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef ZsensorDHT
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#include <DHT.h>
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#include <DHT_U.h>
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DHT dht(DHT_RECEIVER_PIN,DHT_SENSOR_TYPE);
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//Time used to wait for an interval before resending temp and hum
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unsigned long timedht = 0;
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void MeasureTempAndHum(){
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if (millis() > (timedht + TimeBetweenReadingDHT)) {//retriving value of temperature and humidity of the box from DHT every xUL
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timedht = millis();
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static float persistedh;
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static float persistedt;
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float h = dht.readHumidity();
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// Read temperature as Celsius (the default)
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float t = dht.readTemperature();
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// Check if any reads failed and exit early (to try again).
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if (isnan(h) || isnan(t)) {
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trc(F("Failed to read from DHT sensor!"));
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}else{
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trc(F("Creating DHT buffer"));
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StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
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JsonObject& DHTdata = jsonBuffer.createObject();
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if(h != persistedh || dht_always){
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DHTdata.set("hum", (float)h);
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}else{
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trc(F("Same hum don't send it"));
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}
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if(t != persistedt || dht_always){
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DHTdata.set("temp", (float)t);
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}else{
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trc(F("Same temp don't send it"));
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}
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if(DHTdata.size()>0) pub(DHTTOPIC,DHTdata);
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}
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persistedh = h;
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persistedt = t;
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}
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}
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#endif
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