Changes for 20 MHz RRU (dual-thread mode)

targets/ARCH/COMMON/common_lib.h

@@ -247,8 +247,8 @@ typedef struct {
 
 
 typedef struct {
-  //! Tx buffer for if device
-  void *tx;
+  //! Tx buffer for if device, keep one per subframe now to allow multithreading
+  void *tx[10];
   //! Tx buffer (PRACH) for if device
   void *tx_prach;
   //! Rx buffer for if device

targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp

@@ -759,7 +759,10 @@ extern "C" {
 
   // create tx & rx streamer
   uhd::stream_args_t stream_args_rx("sc16", "sc16");
-  //stream_args_rx.args["spp"] = str(boost::format("%d") % 2048);//(openair0_cfg[0].rx_num_channels*openair0_cfg[0].samples_per_packet));
+  int samples=openair0_cfg[0].sample_rate;
+  samples/=24000;
+  //  stream_args_rx.args["spp"] = str(boost::format("%d") % samples);
+
   for (i = 0; i<openair0_cfg[0].rx_num_channels; i++)
     stream_args_rx.channels.push_back(i);
   s->rx_stream = s->usrp->get_rx_stream(stream_args_rx);