Added two function pointers to enable and disable power on the master interface.

Added a dummy implementation of these functions.

dynamixel_base/include/dynamixel_master.h

@@ -73,6 +73,16 @@ typedef struct
    *
    */
   void (*set_rx_mode)(void);
+  /**
+   * \brief
+   *
+   */
+  void (*enable_power)(void);
+  /**
+   * \brief
+   *
+   */
+  void (*disable_power)(void);
   /**
    * \brief
    *

dynamixel_base/src/dynamixel_master.c

@@ -141,6 +141,16 @@ void dummy_dyn_master_set_rx_mode(void)
 
 }
 
+void dummy_dyn_master_enable_power(void)
+{
+
+}
+
+void dummy_dyn_master_disable_power(void)
+{
+
+}
+
 unsigned char dyn_master_wait_transmission(TDynamixelMaster *master)
 {
   unsigned char error;
@@ -731,6 +741,8 @@ void dyn_master_init(TDynamixelMaster *master,TComm *dev,TDynVersion version)
   /* initialize the internal callbacks */
   master->set_tx_mode=dummy_dyn_master_set_tx_mode;
   master->set_rx_mode=dummy_dyn_master_set_rx_mode;
+  master->enable_power=dummy_dyn_master_enable_power;
+  master->disable_power=dummy_dyn_master_disable_power;
   /* initialize internal variables */
   master->packet_ready=0x00;
   master->received_bytes=0x00;