Now caches the reading pipe 0 and re-sets it when starting to listen.

RF24.cpp

@@ -313,6 +313,9 @@ void RF24::startListening(void)
 {
   write_register(CONFIG, _BV(EN_CRC) | _BV(PWR_UP) | _BV(PRIM_RX));
   write_register(STATUS, _BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
+  
+  // Restore the pipe0 adddress
+  write_register(RX_ADDR_P0, reinterpret_cast<uint8_t*>(&pipe0_reading_address), 5);
 
   // Flush buffers
   flush_rx();
@@ -495,6 +498,12 @@ void RF24::openReadingPipe(uint8_t child, uint64_t value)
   const uint8_t child_pipe_enable[] = { 
     ERX_P0, ERX_P1, ERX_P2, ERX_P3, ERX_P4, ERX_P5 };
 
+  // If this is pipe 0, cache the address.  This is needed because
+  // openWritingPipe() will overwrite the pipe 0 address, so
+  // startListening() will have to restore it.
+  if (child == 0)
+    pipe0_reading_address = value;
+
   if (child < 5)
   {
     // For pipes 2-5, only write the LSB

RF24.h

@@ -23,6 +23,7 @@ private:
   uint8_t payload_size; /**< Fixed size of payloads */
   boolean ack_payload_available; /**< Whether there is an ack payload waiting */
   uint8_t ack_payload_length; /**< Dynamic size of pending ack payload. Note: not used. */
+  uint64_t pipe0_reading_address; /**< Last address set on pipe 0 for reading. */
 
 protected:  
   /**