misc_utils/trx_burst_if: get rid of clock interface

Clock indications are only required for BTS operation, while MS
can obtain current frame number from the messages on DATA interface.

2 files changed, 1 insertions, 25 deletions

diff --git a/lib/misc_utils/trx_burst_if_impl.cc b/lib/misc_utils/trx_burst_if_impl.cc
index 432ad2f..6d63edf 100644
--- a/lib/misc_utils/trx_burst_if_impl.cc
+++ b/lib/misc_utils/trx_burst_if_impl.cc
@@ -75,16 +75,12 @@ namespace gr {
           boost::bind(&trx_burst_if_impl::handle_dl_burst, this, _1));
 
         // Prepare port numbers
-        std::string clck_src_port = boost::lexical_cast<std::string> (base_port + 0);
-        std::string clck_dst_port = boost::lexical_cast<std::string> (base_port + 100);
         std::string data_src_port = boost::lexical_cast<std::string> (base_port + 2);
         std::string data_dst_port = boost::lexical_cast<std::string> (base_port + 102);
 
-        // Init DATA & CLCK interfaces
+        // Init DATA interface
         d_data_sock = new udp_socket(remote_addr,
           data_src_port, data_dst_port, DATA_IF_MTU);
-        d_clck_sock = new udp_socket(remote_addr,
-          clck_src_port, clck_dst_port, DATA_IF_MTU);
 
         // Bind DATA interface handler
         d_data_sock->udp_rx_handler = boost::bind(
@@ -101,7 +97,6 @@ namespace gr {
     {
         // Release all UDP sockets and free memory
         delete d_data_sock;
-        delete d_clck_sock;
     }
 
     /*
@@ -138,19 +133,6 @@ namespace gr {
     }
 
     /*
-     * Create an UDP payload with clock indication
-     */
-    void
-    trx_burst_if_impl::clck_ind_send(uint32_t frame_nr)
-    {
-      char buf[20];
-      size_t n;
-
-      n = snprintf(buf, 20, "IND CLOCK %u", frame_nr);
-      d_clck_sock->udp_send((uint8_t *) buf, n + 1);
-    }
-
-    /*
      * Create an UDP payload with burst bits
      * and some channel data.
      */
@@ -169,10 +151,6 @@ namespace gr {
       // Extract frame number
       uint32_t frame_nr = be32toh(header->frame_number);
 
-      // HACK: send clock indications every 51-th frame
-      if (frame_nr % 51 == 0)
-        clck_ind_send(frame_nr);
-
       // Pack frame number
       buf[1] = (frame_nr >> 24) & 0xff;
       buf[2] = (frame_nr >> 16) & 0xff;
diff --git a/lib/misc_utils/trx_burst_if_impl.h b/lib/misc_utils/trx_burst_if_impl.h
index 23d2264..fd5a42d 100644
--- a/lib/misc_utils/trx_burst_if_impl.h
+++ b/lib/misc_utils/trx_burst_if_impl.h
@@ -35,11 +35,9 @@ namespace gr {
     {
      private:
       udp_socket *d_data_sock;
-      udp_socket *d_clck_sock;
       int d_ts_filter_tn;
 
       bool detect_rach(uint8_t *burst);
-      void clck_ind_send(uint32_t frame_nr);
       void burst_pack(pmt::pmt_t msg, uint8_t *buf);
 
      public: