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/**
 
 * DESCRIPTION
 * This sketch provides an example how to implement a humidity/temperature
 * sensor using DHT11/DHT-22 
 * http://www.mysensors.org/build/humidity
 */
 
// Enable debug prints
#define MY_DEBUG
#define MY_NODE_ID 2
// Enable and select radio type attached
#define MY_RADIO_NRF24
//#define MY_RADIO_RFM69

#include <SPI.h>
#include <MySensor.h>  
#include <DHT.h>  
#define VBAT_PER_BITS 0.003363075  // Calculated volts per bit from the used battery montoring voltage divider.   Internal_ref=1.1V, res=10bit=2^10-1=1023, Eg for 3V (2AA): Vin/Vb=R1/(R1+R2)=470e3/(1e6+470e3),  Vlim=Vb/Vin*1.1=3.44V, Volts per bit = Vlim/1023= 0.003363075
#define VMIN 1.9  // Battery monitor lower level. Vmin_radio=1.9V
#define VMAX 3.3  //  " " " high level. Vmin<Vmax<=3.44
int BATTERY_SENSE_PIN = A0;  // select the input pin for the battery sense point
#define CHILD_ID_HUM 0
#define CHILD_ID_TEMP 1
#define HUMIDITY_SENSOR_DIGITAL_PIN 3
unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds)

DHT dht;
float lastTemp;
float lastHum;
boolean metric = true; 
int batteryPcnt = 0;
int batLoop = 0;
int batArray[3];
MyMessage msgHum(CHILD_ID_HUM, V_HUM);
MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);

void setup()  
{ 
  // use the 1.1 V internal reference
  analogReference(INTERNAL);
  delay(500); // Allow time for radio if power used as reset <<<<<<<<<<<<<< Experimented with good result 
   
  
  dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN); 

  metric = getConfig().isMetric;
}

void presentation()  
{ 
  // Send the Sketch Version Information to the Gateway
  sendSketchInfo("A_CUISINE", "1.0");

  // Register all sensors to gw (they will be created as child devices)
  present(CHILD_ID_HUM, S_HUM);
  present(CHILD_ID_TEMP, S_TEMP);
}

void loop()      
{  
  int sensorValue = analogRead(BATTERY_SENSE_PIN);    // Battery monitoring reading
delay(1000);
  delay(dht.getMinimumSamplingPeriod());
 
  // Fetch temperatures from DHT sensor
  float temperature = dht.getTemperature();
  if (isnan(temperature)) {
      Serial.println("Failed reading temperature from DHT");
  } else if (temperature != lastTemp) {
    lastTemp = temperature;
    if (!metric) {
      temperature = dht.toFahrenheit(temperature);
    }
    send(msgTemp.set(temperature, 1));
    #ifdef MY_DEBUG
    Serial.print("Temp: ");
    Serial.println(temperature);
    #endif
  }
 delay(1000);
  
  // Fetch humidity from DHT sensor
  float humidity = dht.getHumidity();
  if (isnan(humidity)) {
      Serial.println("Failed reading humidity from DHT");
  } else if (humidity != lastHum) {
      lastHum = humidity;
      send(msgHum.set(humidity, 1));
      #ifdef MY_DEBUG
      Serial.print("Hum: ");
      Serial.println(humidity);
      #endif
  }
  delay(1000);
  
  float Vbat  = sensorValue * VBAT_PER_BITS;
   int batteryPcnt = static_cast<int>(((Vbat-VMIN)/(VMAX-VMIN))*100.);   
 Serial.print("Battery percent: "); Serial.print(batteryPcnt); Serial.println(" %");  
   batArray[batLoop] = batteryPcnt;
  
   if (batLoop > 2) {
     
     batteryPcnt = (batArray[0] + batArray[1] + batArray[2] + batArray[3]);
     batteryPcnt = batteryPcnt / 4;
    Serial.print("Battery percent (Avg (4):) "); Serial.print(batteryPcnt); Serial.println(" %");

       sendBatteryLevel(batteryPcnt);
       batLoop = 0;   
     }
     else 
     {
     batLoop = batLoop + 1;
     }
   
  sleep(SLEEP_TIME); //sleep a bit
}

Code : Tout sélectionner

0;255;3;0;9;Starting gateway (RNNGA-, 2.0.0-beta)
0;255;3;0;9;Radio init successful.
0;255;3;0;14;Gateway startup complete.
0;255;3;0;9;Init complete, id=0, parent=0, distance=0
0;255;3;0;9;read: 2-2-0 s=255,c=3,t=15,pt=0,l=2,sg=0:
0;255;3;0;9;send: 0-0-2-2 s=255,c=3,t=15,pt=0,l=2,sg=0,st=fail:
0;255;3;0;9;read: 2-2-0 s=255,c=0,t=17,pt=0,l=10,sg=0:2.0.0-beta
2;255;0;0;17;2.0.0-beta
0;255;3;0;9;read: 2-2-0 s=255,c=3,t=6,pt=1,l=1,sg=0:0
2;255;3;0;6;0
0;255;3;0;9;read: 2-2-0 s=255,c=3,t=11,pt=0,l=9,sg=0:A_CUISINE
2;255;3;0;11;A_CUISINE
0;255;3;0;9;read: 2-2-0 s=255,c=3,t=12,pt=0,l=3,sg=0:1.0
2;255;3;0;12;1.0
0;255;3;0;9;read: 2-2-0 s=0,c=0,t=7,pt=0,l=0,sg=0:
2;0;0;0;7;
0;255;3;0;9;read: 2-2-0 s=1,c=0,t=6,pt=0,l=0,sg=0:
2;1;0;0;6;