mirror of
https://github.com/mysensors/MySensors.git
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106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
/*
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* The MySensors Arduino library handles the wireless radio link and protocol
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* between your home built sensors/actuators and HA controller of choice.
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* The sensors forms a self healing radio network with optional repeaters. Each
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* repeater and gateway builds a routing tables in EEPROM which keeps track of the
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* network topology allowing messages to be routed to nodes.
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*
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* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
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* Copyright (C) 2013-2026 Sensnology AB
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* Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors
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*
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* Documentation: http://www.mysensors.org
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* Support Forum: http://forum.mysensors.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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*******************************
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*
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* REVISION HISTORY
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* Version 1.0 - epierre
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* Converted to 1.4 by Henrik Ekblad
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*
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* DESCRIPTION
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* Arduino Dust Sensort
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*
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* connect the sensor as follows :
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*
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* VCC >>> 5V
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* A >>> A0
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* GND >>> GND
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*
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* Based on: http://www.dfrobot.com/wiki/index.php/Sharp_GP2Y1010AU
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* Authors: Cyrille Médard de Chardon (serialC), Christophe Trefois (Trefex)
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*
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* http://www.mysensors.org/build/dust
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*
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*/
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// Enable debug prints
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#define MY_DEBUG
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// Enable and select radio type attached
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#define MY_RADIO_RF24
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//#define MY_RADIO_NRF5_ESB
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//#define MY_RADIO_RFM69
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//#define MY_RADIO_RFM95
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//#define MY_PJON
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#include <MySensors.h>
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#define CHILD_ID_DUST 0
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#define DUST_SENSOR_ANALOG_PIN 1
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uint32_t SLEEP_TIME = 30*1000; // Sleep time between reads (in milliseconds)
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//VARIABLES
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int val = 0; // variable to store the value coming from the sensor
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float valDUST =0.0;
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float lastDUST =0.0;
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int samplingTime = 280;
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int deltaTime = 40;
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int sleepTime = 9680;
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float calcVoltage = 0;
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float dustDensity = 0;
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MyMessage dustMsg(CHILD_ID_DUST, V_LEVEL);
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void presentation()
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{
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// Send the sketch version information to the gateway and Controller
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sendSketchInfo("Dust Sensor", "1.1");
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// Register all sensors to gateway (they will be created as child devices)
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present(CHILD_ID_DUST, S_DUST);
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}
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void loop()
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{
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uint16_t voMeasured = analogRead(DUST_SENSOR_ANALOG_PIN);// Get DUST value
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// 0 - 5V mapped to 0 - 1023 integer values
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// recover voltage
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calcVoltage = voMeasured * (5.0 / 1024.0);
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// linear equation taken from http://www.howmuchsnow.com/arduino/airquality/
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// Chris Nafis (c) 2012
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dustDensity = (0.17 * calcVoltage - 0.1)*1000;
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Serial.print("Raw Signal Value (0-1023): ");
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Serial.print(voMeasured);
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Serial.print(" - Voltage: ");
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Serial.print(calcVoltage);
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Serial.print(" - Dust Density: ");
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Serial.println(dustDensity); // unit: ug/m3
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if (ceil(dustDensity) != lastDUST) {
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send(dustMsg.set((int16_t)ceil(dustDensity)));
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lastDUST = ceil(dustDensity);
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}
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sleep(SLEEP_TIME);
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}
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