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added example to use 2 sensors

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niesteszeck 2014-03-24 09:34:43 -03:00
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commit bce1922a60
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examples/idDHT11_Lib_2sensors_example/idDHT11_Lib_2sensors_example.ino Normal file
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/*
Board int.0 int.1 int.2 int.3 int.4 int.5
Uno, Ethernet 2 3
Mega2560 2 3 21 20 19 18
Leonardo 3 2 0 1
Due (any pin, more info http://arduino.cc/en/Reference/AttachInterrupt)
This example use 2 sensors at the same time
*/
#include <idDHT11.h>
int idDHT11pinA = 2; //Digital pin for comunications
int idDHT11intNumberA = 0; //interrupt number (must be the one that use the previus defined pin (see table above)
int idDHT11pinB = 3; //Digital pin for comunications
int idDHT11intNumberB = 1; //interrupt number (must be the one that use the previus defined pin (see table above)
//declaration
void dht11_wrapperA(); // must be declared before the lib initialization
//declaration
void dht11_wrapperB(); // must be declared before the lib initialization
// Lib instantiate
idDHT11 DHT11A(idDHT11pinA, idDHT11intNumberA, dht11_wrapperA);
idDHT11 DHT11B(idDHT11pinB, idDHT11intNumberB, dht11_wrapperB);
void setup()
{
Serial.begin(115200);
Serial.println("idDHT11 Example program for two sensors");
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_wrapperA() {
DHT11A.isrCallback();
}
// This wrapper is in charge of calling
// mus be defined like this for the lib work
void dht11_wrapperB() {
DHT11B.isrCallback();
}
void loop()
{
Serial.print("\nRetrieving information from sensor A: ");
Serial.print("Read sensor: ");
DHT11A.acquire();
// instruct the second sensor to acquire, it takes some time, and as the lib
// is interrrupt driven, we gain some time
DHT11B.acquire();
while (DHT11A.acquiring()) // check if first sensor has ended acquiring
;
int result = DHT11A.getStatus();
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(DHT11A.getHumidity(), 2);
Serial.print("Temperature (oC): ");
Serial.println(DHT11A.getCelsius(), 2);
Serial.print("Temperature (oF): ");
Serial.println(DHT11A.getFahrenheit(), 2);
Serial.print("Temperature (K): ");
Serial.println(DHT11A.getKelvin(), 2);
Serial.print("Dew Point (oC): ");
Serial.println(DHT11A.getDewPoint());
Serial.print("Dew Point Slow (oC): ");
Serial.println(DHT11A.getDewPointSlow());
Serial.print("\nRetrieving information from sensor B: ");
Serial.print("Read sensor: ");
while (DHT11B.acquiring()) // check if second sensor has ended acquiring
;
result = DHT11B.getStatus();
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(DHT11B.getHumidity(), 2);
Serial.print("Temperature (oC): ");
Serial.println(DHT11B.getCelsius(), 2);
Serial.print("Temperature (oF): ");
Serial.println(DHT11B.getFahrenheit(), 2);
Serial.print("Temperature (K): ");
Serial.println(DHT11B.getKelvin(), 2);
Serial.print("Dew Point (oC): ");
Serial.println(DHT11B.getDewPoint());
Serial.print("Dew Point Slow (oC): ");
Serial.println(DHT11B.getDewPointSlow());
delay(2000);
}