Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next

lib/include/srslte/phy/utils/ringbuffer.h

@@ -28,6 +28,8 @@ SRSLTE_API void srslte_ringbuffer_reset(srslte_ringbuffer_t *q);
 
 SRSLTE_API int  srslte_ringbuffer_status(srslte_ringbuffer_t *q);
 
+SRSLTE_API int srslte_ringbuffer_space(srslte_ringbuffer_t *q);
+
 SRSLTE_API int  srslte_ringbuffer_write(srslte_ringbuffer_t *q,
                                        void *ptr,
                                        int nof_bytes);

lib/src/phy/utils/ringbuffer.c

@@ -13,10 +13,9 @@ int srslte_ringbuffer_init(srslte_ringbuffer_t *q, int capacity)
   }
   q->active     = true;
   q->capacity   = capacity;
-  srslte_ringbuffer_reset(q);
-  
   pthread_mutex_init(&q->mutex, NULL); 
   pthread_cond_init(&q->cvar, NULL);
+  srslte_ringbuffer_reset(q);
 
   return 0; 
 }
@@ -48,6 +47,11 @@ int srslte_ringbuffer_status(srslte_ringbuffer_t *q)
   return q->count;
 }
 
+int srslte_ringbuffer_space(srslte_ringbuffer_t *q)
+{
+  return q->capacity - q->count;
+}
+
 int srslte_ringbuffer_write(srslte_ringbuffer_t *q, void *p, int nof_bytes)
 {
   uint8_t *ptr = (uint8_t*) p;

srsue/hdr/phy/phch_worker.h

@@ -63,8 +63,16 @@ public:
   void write_trace(std::string filename);
   
   int read_ce_abs(float *ce_abs, uint32_t tx_antenna, uint32_t rx_antenna);
-  uint32_t get_cell_nof_ports() {return cell.nof_ports;};
-  uint32_t get_rx_nof_antennas() {return ue_dl.nof_rx_antennas;};
+  uint32_t get_cell_nof_ports() {
+    if (cell_initiated) {
+      return cell.nof_ports;
+    } else {
+      return 1;
+    }
+  };
+  uint32_t get_rx_nof_antennas() {
+    return ue_dl.nof_rx_antennas;
+  };
   int read_pdsch_d(cf_t *pdsch_d);
   void start_plot();
 

srsue/src/upper/rrc.cc

@@ -156,7 +156,7 @@ rrc_state_t rrc::get_state() {
 }
 
 bool rrc::is_connected() {
-  return (RRC_STATE_CONNECTED >= state && state < RRC_STATE_LEAVE_CONNECTED);
+  return (state >= RRC_STATE_CONNECTED && state < RRC_STATE_LEAVE_CONNECTED);
 }
 
 bool rrc::have_drb() {