[Commit-gnuradio] [gnuradio] 01/07: uhd: add command handler to add a time tag

[git]

This is an automated email from the git hooks/post-receive script.

jcorgan pushed a commit to branch master
in repository gnuradio.

commit f19ccc8159ee9e17eb22990dfb5834c8e6a99509
Author: Nathan West <address@hidden>
Date:   Mon May 2 18:02:18 2016 -0400

    uhd: add command handler to add a time tag
---
 gr-uhd/lib/usrp_source_impl.cc | 9 +++++++++
 gr-uhd/lib/usrp_source_impl.h  | 1 +
 2 files changed, 10 insertions(+)

diff --git a/gr-uhd/lib/usrp_source_impl.cc b/gr-uhd/lib/usrp_source_impl.cc
index 7ad2280..0a09ed3 100644
--- a/gr-uhd/lib/usrp_source_impl.cc
+++ b/gr-uhd/lib/usrp_source_impl.cc
@@ -31,6 +31,8 @@
 namespace gr {
   namespace uhd {
 
+    const pmt::pmt_t CMD_TAG_KEY = pmt::mp("tag");
+
     usrp_source::sptr
     usrp_source::make(const ::uhd::device_addr_t &device_addr,
                       const ::uhd::io_type_t &io_type,
@@ -80,6 +82,7 @@ namespace gr {
 #ifdef GR_UHD_USE_STREAM_API
       _samps_per_packet = 1;
 #endif
+      register_msg_cmd_handler(CMD_TAG_KEY, 
boost::bind(&usrp_source_impl::_cmd_handler_tag, this, _1));
     }
 
     usrp_source_impl::~usrp_source_impl()
@@ -359,6 +362,12 @@ namespace gr {
     }
 
     void
+    usrp_source_impl::_cmd_handler_tag(const pmt::pmt_t &tag)
+    {
+      _tag_now = true;
+    }
+
+    void
     usrp_source_impl::set_start_time(const ::uhd::time_spec_t &time)
     {
       _start_time = time;
diff --git a/gr-uhd/lib/usrp_source_impl.h b/gr-uhd/lib/usrp_source_impl.h
index b43df4d..78a8341 100644
--- a/gr-uhd/lib/usrp_source_impl.h
+++ b/gr-uhd/lib/usrp_source_impl.h
@@ -112,6 +112,7 @@ namespace gr {
     private:
       //! Like set_center_freq(), but uses _curr_freq and _curr_lo_offset
       ::uhd::tune_result_t _set_center_freq_from_internals(size_t chan);
+      void _cmd_handler_tag(const pmt::pmt_t &tag);
 
 #ifdef GR_UHD_USE_STREAM_API
       ::uhd::rx_streamer::sptr _rx_stream;