Switch to use noInterrupts and interrupts function. make read() public. This resolves pull #15.

Author: tdicola

DHT.cpp

@@ -119,7 +119,7 @@ boolean DHT::read(void) {
   pinMode(_pin, OUTPUT);
   digitalWrite(_pin, LOW);
   delay(20);
-  cli();
+  noInterrupts();
   digitalWrite(_pin, HIGH);
   delayMicroseconds(40);
   pinMode(_pin, INPUT);
@@ -149,7 +149,7 @@ boolean DHT::read(void) {
 
   }
 
-  sei();
+  interrupts();
 
   /*
   Serial.println(j, DEC);

DHT.h

@@ -24,7 +24,6 @@ class DHT {
  private:
   uint8_t data[6];
   uint8_t _pin, _type, _count;
-  boolean read(void);
   unsigned long _lastreadtime;
   boolean firstreading;
 
@@ -35,6 +34,7 @@ class DHT {
   float convertCtoF(float);
   float computeHeatIndex(float tempFahrenheit, float percentHumidity);
   float readHumidity(void);
+  boolean read(void);
 
 };
 #endif