Merge branch 'feature/adding_attached_method' into develop

Author: dadul96

keywords.txt

@@ -18,6 +18,7 @@ write	KEYWORD2
 writeMicroseconds	KEYWORD2
 read	KEYWORD2
 readMicroseconds	KEYWORD2
+attached	KEYWORD2
 
 #######################################
 # Constants (LITERAL1)

src/Servo_Hardware_PWM.cpp

@@ -458,4 +458,8 @@ int Servo::readMicroseconds() {
 
 	return this->pulseWidth;
 }
+
+bool Servo::attached() {
+	return pinActive[this->servoIndex] == BOOL_TRUE;
+}
 #endif

src/Servo_Hardware_PWM.h

@@ -78,6 +78,7 @@ class Servo
 	void writeMicroseconds(int value);							//write pulse width in microseconds
 	int read();													//returns the current write angle in degrees
 	int readMicroseconds();										//returns the current write angle in microseconds
+	bool attached();											//returns true if this servo is attached, otherwise false 
 
 private:
 	uint8_t servoIndex;											//number of attached Servos