added a new method acquireAndWait to make easy to use the lib and a example that use it

examples/idDHT11_Lib_example_Simple/idDHT11_Lib_example_Simple.ino

@@ -0,0 +1,84 @@
+/*
+  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, as difference to the other, make use of the new method acquireAndWait()
+ */
+
+#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();
+
+// 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("---------------");
+}
+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);
+}
+

idDHT11.cpp

@@ -56,6 +56,12 @@ int idDHT11::acquire() {
 	} else
 		return IDDHTLIB_ERROR_ACQUIRING;
 }
+int idDHT11::acquireAndWait() {
+	acquire();
+	while(acquiring())
+		;
+	return getStatus();
+}
 void idDHT11::isrCallback() {
 	int newUs = micros();
 	int delta = (newUs-us);
@@ -170,4 +176,4 @@ double idDHT11::getDewPointSlow() {
 	double T = log(VP/0.61078);   // temp var
 	return (241.88 * T) / (17.558-T);
 }
-// EOF
+// EOF

idDHT11.h

@@ -45,6 +45,7 @@ public:
     void init(int pin, int intNumber,void (*isrCallback_wrapper)());
 	void isrCallback();
 	int acquire();
+	int acquireAndWait();
 	float getCelsius();
 	float getFahrenheit();
 	float getKelvin();