Différences

Ci-dessous, les différences entre deux révisions de la page.

--- wiki:projet:bnair:jourdfbdnal_de_bord [2016/03/20 16:47]
gnounu créée
+++ wiki:projet:bnair:jourdfbdnal_de_bord [2020/10/05 14:39] (Version actuelle)
@@ Ligne 1: / Ligne 1: @@
-====Programation====
+==== Programation ====
-Capteur de particules
-{{ :wiki:projet:bnair:1125px-pm25_uno.png |}}
+Capteur de particules {{  :wiki:projet:bnair:1125px-pm25_uno.png  }}
 Lecture des valeurs du capteur de particules
+<code>
+#include <OneWire.h>
+    //Temperature chip i/o
+OneWire ds(Thermometer);
+void setup(){
+    //initialise the pin
+serial.begin(9600);
+    //thermometer
+byte Thermometer = 2;
+pinMode(Thermometer, INPUT);
+float ThermometerValue = 0;
+float ThermometerValueEnable = 22.0;
+float ThermometerValueDesable = 20.0;
+    //NOX sensor
+byte NOXSensor = A1;
+pinMode(NOXSensor, INPUT);
+int NOXSensorValue = 0;
+int NOXSensorValueSumm = 0;
+float NOXSensorValueAverage = 0;
+float NOXSensorValueTreshold = 400;
-<code>
+    //COV sensor
+byte COVSensor = A2;
+pinMode(COVSensor, INPUT);
+int COVSensorValue = 0;
+int COVSensorValueSumm = 0;
+float COVSensorValueAverage =0;
+float COVSensorValueTreshold = 400;
+/*
+PM sensor
+PMSensorValue
+PMSensorValueSumm
+PMSensorValueAverage
+PMSensorValueTreshold
+  */
+    //peletier
+byte Peletier = 13;
+pinMode(Peletier, OUTPUT);
+boolean PeletierStatus = 0;
+    //Bottom Fan
+byte BotFan = 12;
+pinMode(BotFan, OUTPUT);
+boolean BotFanStatus = 0;
+    //Top Fan
+byte TopFan = 10;
+pinMode(TopFan, OUTPUT);
+boolean TopFanStatus = 0;
+    // brumisateur
+byte Atomizer = 11;
+pinMode(Atomizer, OUTPUT);
+boolean AtomizerStatus = 0;
+int SensorTimer = 0;
+int ThermometherTimer = 0;
+int AtomizerTimer = 0;
+int AtomizerTimeOn = 900000;// 15 minutes
+int AtomizerTimeOff = 1800000;// 30 minutes
+byte CompteurValue = 0;
-#include <Arduino.h>
-#define LENG 32
-char buf[LENG];
-int PM01Value=0;          //define PM1.0 value of the air detector module
-int PM2_5Value=0;         //define PM2.5 value of the air detector module
-int PM10Value=0;         //define PM10 value of the air detector module
-void setup()
-{
-  Serial.begin(9600);
 }
-void loop()
+void loop(){
-{
-  if(Serial.available())
+//Record every second COVSensor, NOXSensor, PMSensor. Do the summ over 1 minute.
-  {
+if (SensorTimer-millis()>= 1000) {
-    Serial.readBytes(buf,LENG);
+    COVSensorValue = analogRead(COVSensor);
-    if(buf[0] == 0x42 && buf[1] == 0x4d){
+    NOXSensorValue = analogRead(NOXSensor);
-      if(checkValue(buf,LENG)){
+    //Ici je mettrais la reception du PMSensor
-        PM01Value=transmitPM01(buf); //count PM1.0 value of the air detector module
+    if (CompteurValue <= 60){
-        PM2_5Value=transmitPM2_5(buf);//count PM2.5 value of the air detector module
+        COVSensorValueSumm += COVSensorValue;
-        PM10Value=transmitPM10(buf); //count PM10 value of the air detector module
+        NOXSensorValueSumm += NOXSensorValue;
-      }
+        //Ici PMSensorValueSumm
-    }
+        if (CompteurValue>= 60){
-  }
+            COVSensorValueAverage = COVSensorValueSumm / CompteurValue;
-  static unsigned long OledTimer=millis();
+            NOXSensorValueAverage = NOXSensorValueSumm / CompteurValue;
-    if (millis() - OledTimer >=1000)
+            // ici je mettrais la valeur PMSensorValueAverage
-    {
+            CompteurValue = 0;
-      OledTimer=millis();
+            }
+        else {
-      Serial.print("PM1.0: ");  //send PM1.0 data to bluetooth
+            CompteurValue++
-      Serial.print(PM01Value);
+            }
-      Serial.println("  ug/m3");
+        }
+    SensorTimer = millis();
-      Serial.print("PM2.5: ");  //send PM1.0 data to bluetooth
+    // test line
-      Serial.print(PM2_5Value);
+    serial.print('NOX Value is' + NOXSensorValueAverage);
-      Serial.println("  ug/m3");
+    serial.print('COV Value is' + COVSensorValueAverage);
-      Serial.print("PM10:  ");  //send PM1.0 data to bluetooth
-      Serial.print(PM10Value);
-      Serial.println("  ug/m3");
     }
+//Check the temperature every two minutes
+if (ThermometherTimer-millis()>= 120000){
+    ThermometerValue = getTemp();
+    ThermometherTimer = millis()
+    }
+//Activate or deactivate the peletier depending on water's temperature
+if (ThermometerValue>= ThermometerValueEnable && PeletierStatus == 0){
+    digitalWrite(Peletier,1);
+    PeletierStatus = 1;
+    }
+if (ThermometerValue <= ThermometerValueDesable && PeletierStatus == 1){
+    digitalWrite(Peletier,0);
+    PeletierStatus = 0;
+    }
+/*
+//Activate or deactivate the BotFan depending on sensor value and peletier activation
+if ((PeletierStatus == 1 || COVSensorValueAverage>= COVSensorValueTreshold || NOXSensorValueAverage>= NOXSensorValueTreshold || TopFanStatus == 1) && BotFanStatus== 0){
+    digitalWrite(BotFan,1);
+    BotFanStatus = 1;
+    }
+if ((PeletierStatus == 0 && COVSensorValueAverage <COVSensorValueTreshold && NOXSensorValueAverage <NOXSensorValueTreshold && TopFanStatus == 0 && BotFanStatus == 1){
+    digitalWrite(BotFan,0);
+    BotFanStatus = 0;
+    }
+  */
+//Yet to be done, triger the TopFan depending on PM sensor value
+/*if (PMSensorValueAverage>= PMSensorValueTreshold && TopFanStatus == 0){
+    digitalWrite(TopFan,1);
+    TopFanStatus = 1;
+    }
+if (PMSensorValueAverage <PMSensorValueTreshold && TopFanStatus == 1){
+    digitalWrite(TopFan,0);
+    TopFanStatus = 0;
+    }
+  */
+//Activate or deactivate atomizer
+if (AtomizerStatus == 0 && AtomizerTimer-millis() == AtomizerTimeOff){
+    digitalWrite(Atomizer,1);
+    AtomizerStatus == 1;
+    AtomizerTimer = millis();
+    }
+if (AtomizerStatus == 1 && AtomizerTimer-millis() == AtomizerTimeOn){
+    digitalWrite(Atomizer,0);
+    AtomizerStatus == 0;
+    AtomizerTimer = millis();
+    }
 }
-char checkValue(char *thebuf, char leng)
-{
+//Not our code, function to get temperature
-  char receiveflag=0;
+float getTemp(){
-  int receiveSum=0;
+  //returns the temperature from one DS18S20 in DEG Celsius
-  char i=0;
+  byte data[12];
-  for(i=0;i<leng;i++)
+  byte addr[8];
-  {
-  receiveSum=receiveSum+thebuf[i];
+  if ( !ds.search(addr)) {
+      //no more sensors on chain, reset search
+      ds.reset_search();
+      return -1000;
   }
-  if(receiveSum==((thebuf[leng-2]<<8)+thebuf[leng-1]+thebuf[leng-2]+thebuf[leng-1]))  //check the serial data
+  if ( OneWire::crc8( addr, 7) != addr[7]) {
-  {
+      Serial.println("CRC is not valid!");
-    receiveSum=0;
+      return -1000;
-    receiveflag=1;
   }
-  return receiveflag;
-}
+  if ( addr[0] != 0x10 && addr[0] != 0x28) {
+      Serial.print("Device is not recognized");
-int transmitPM01(char *thebuf)
+      return -1000;
-{
-  int PM01Val;
-  PM01Val=((thebuf[4]<<8) + thebuf[5]); //count PM1.0 value of the air detector module
-  return PM01Val;
-}
-//transmit PM Value to PC
-int transmitPM2_5(char *thebuf)
-{
-  int PM2_5Val;
-  PM2_5Val=((thebuf[6]<<8) + thebuf[7]);//count PM2.5 value of the air detector module
-  return PM2_5Val;
   }
-//transmit PM Value to PC
-int transmitPM10(char *thebuf)
-{
-  int PM10Val;
-  PM10Val=((thebuf[8]<<8) + thebuf[9]); //count PM10 value of the air detector module
-  return PM10Val;
-}
+  ds.reset();
+  ds.select(addr);
+  ds.write(0x44,1); // start conversion, with parasite power on at the end
+  byte present = ds.reset();
+  ds.select(addr);
+  ds.write(0xBE); // Read Scratchpad
+  for (int i = 0; i <9; i++) { // we need 9 bytes
+    data[i] = ds.read();
+  }
+  ds.reset_search();
+  byte MSB = data[1];
+  byte LSB = data[0];
+  float tempRead = ((MSB <<8) | LSB); //using two's compliment
+  float TemperatureSum = tempRead / 16;
+  return TemperatureSum;
+}
 </code>
 [[http://www.dfrobot.com/wiki/index.php?title=PM2.5_laser_dust_sensor_SKU:SEN0177|Source]]

FablabSU

Outils pour utilisateurs

Outils du site

Différences

Outils de la page