Split init and config USRP device. It seems to have solved the stop/restart RAU without stopping the RRU

targets/ARCH/COMMON/common_lib.c

@@ -134,6 +134,9 @@ int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_param
   return ret; 	       
 }
 
+int openair0_check_device_loaded(){
+	return dlopen(OAI_RF_LIBNAME, RTLD_NOLOAD);
+}
 
 
 int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {

targets/ARCH/COMMON/common_lib.h

@@ -283,6 +283,10 @@ struct openair0_device_t {
   /* !brief ETH params set by application */
   eth_params_t *eth_params;
 
+  /* !brief Indicates if device already initialized */
+  int is_init;
+
+
   /*!brief Can be used by driver to hold internal structure*/
   void *priv;
 
@@ -293,6 +297,13 @@ struct openair0_device_t {
   */
   int (*trx_start_func)(openair0_device *device);
 
+ /*! \brief Called to configure the device
+      @param device pointer to the device structure specific to the RF hardware target  
+  */
+
+
+  int (*trx_config_func)(openair0_device* device, openair0_config_t *openair0_cfg);
+
   /*! \brief Called to send a request message between RAU-RRU on control port
       @param device pointer to the device structure specific to the RF hardware target
       @param msg pointer to the message structure passed between RAU-RRU