x300: Fix for BUG #655: X300: Device Time Not Getting Set from GPSDO

- Moved setting of tick rate before setting of PPS time

1 files changed, 6 insertions, 8 deletions

diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp
index a879ae02d..eab5cfef2 100644
--- a/host/lib/usrp/x300/x300_impl.cpp
+++ b/host/lib/usrp/x300/x300_impl.cpp
@@ -755,6 +755,12 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr)
     _tree->create<bool>(mb_path / "clock_source" / "output")
         .subscribe(boost::bind(&x300_clock_ctrl::set_ref_out, mb.clock, _1));
 
+    //initialize tick rate (must be done before setting time)
+    _tree->access<double>(mb_path / "tick_rate")
+        .subscribe(boost::bind(&x300_impl::set_tick_rate, this, boost::ref(mb), _1))
+        .subscribe(boost::bind(&x300_impl::update_tick_rate, this, boost::ref(mb), _1))
+        .set(mb.clock->get_master_clock_rate());
+
     ////////////////////////////////////////////////////////////////////
     // initialize clock and time sources
     ////////////////////////////////////////////////////////////////////
@@ -790,14 +796,6 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr)
         .publish(boost::bind(&x300_impl::get_ref_locked, this, mb.zpu_ctrl));
 
     ////////////////////////////////////////////////////////////////////
-    // create clock properties
-    ////////////////////////////////////////////////////////////////////
-    _tree->access<double>(mb_path / "tick_rate")
-        .subscribe(boost::bind(&x300_impl::set_tick_rate, this, boost::ref(mb), _1))
-        .subscribe(boost::bind(&x300_impl::update_tick_rate, this, boost::ref(mb), _1))
-        .set(mb.clock->get_master_clock_rate());
-
-    ////////////////////////////////////////////////////////////////////
     // do some post-init tasks
     ////////////////////////////////////////////////////////////////////
     subdev_spec_t rx_fe_spec, tx_fe_spec;