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/*
Board
int.0 int.1 int.2 int.3 int.4 int.5
Uno,
Ethernet 2 3
Mega2560 2
ZX
3 21 20 19 18
Leonardo 3 2 0 1
Due
(any pin, more info http://arduino.cc/en/Reference/AttachInterrupt)
This
example, as difference to the other, make use of the new method acquireAndWait()
*/
// use digital pin 2 to connect DHT-11 data pin
#include <idDHT11.h>
int idDHT11pin = 2; //Digital pin for
comunications
int idDHT11intNumber = 0; //interrupt number
(must be the one that use the previus defined pin (see table above)
//declaration
void dht11_wrapper(); // must be declared before
the lib initialization
// Lib instantiate
idDHT11
DHT11(idDHT11pin,idDHT11intNumber,dht11_wrapper);
void setup()
{
Serial.begin(9600);
Serial.println("idDHT11 Example program");
Serial.print("LIB version: ");
Serial.println(IDDHT11LIB_VERSION);
Serial.println("---------------");
}
// This wrapper is in charge of calling
// mus be defined like this for the lib work
void dht11_wrapper() {
DHT11.isrCallback();
}
void loop()
{
Serial.print("\nRetrieving information from sensor: ");
Serial.print("Read sensor: ");
//delay(100);
int
result = DHT11.acquireAndWait();
switch
(result)
{
case
IDDHTLIB_OK:
Serial.println("OK");
break;
case
IDDHTLIB_ERROR_CHECKSUM:
Serial.println("Error\n\r\tChecksum
error");
break;
case
IDDHTLIB_ERROR_TIMEOUT:
Serial.println("Error\n\r\tTime out error");
break;
case
IDDHTLIB_ERROR_ACQUIRING:
Serial.println("Error\n\r\tAcquiring");
break;
case
IDDHTLIB_ERROR_DELTA:
Serial.println("Error\n\r\tDelta time to small");
break;
case
IDDHTLIB_ERROR_NOTSTARTED:
Serial.println("Error\n\r\tNot started");
break;
default:
Serial.println("Unknown error");
break;
}
Serial.print("Humidity (%): ");
Serial.println(DHT11.getHumidity(), 2);
Serial.print("Temperature (oC): ");
Serial.println(DHT11.getCelsius(), 2);
Serial.print("Temperature (oF): ");
Serial.println(DHT11.getFahrenheit(), 2);
Serial.print("Temperature (K): ");
Serial.println(DHT11.getKelvin(),
2);
Serial.print("Dew Point (oC): ");
Serial.println(DHT11.getDewPoint());
Serial.print("Dew Point Slow (oC): ");
Serial.println(DHT11.getDewPointSlow());
delay(2000);
}
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