Restore closeReadingPipe

Restore closeReadingPipe to be compatible with mysensors

RF24.cpp

@@ -862,6 +862,13 @@ void RF24::openReadingPipe(uint8_t child, uint64_t address)
 
 /****************************************************************************/
 
+void RF24::closeReadingPipe( uint8_t pipe )
+{
+  write_register(EN_RXADDR,read_register(EN_RXADDR) & ~_BV(pgm_read_byte(&child_pipe_enable[pipe])));
+}
+
+/****************************************************************************/
+
 void RF24::toggle_features(void)
 {
 

RF24.h

@@ -208,6 +208,13 @@ public:
    */
   void openReadingPipe(uint8_t number, uint64_t address);
 
+  /**
+   * Close a pipe after it has been previously opened.
+   * Can be safely called without having previously opened a pipe.
+   * @param pipe Which pipe # to close, 0-5.
+   */
+  void closeReadingPipe( uint8_t pipe ) ;
+
   /**@}*/
   /**
    * @name Advanced Operation