uhd: Add ability to get and set command time through dboard_iface.

This creates a wb_iface child class called timed_wb_iface, which
adds support for timed commands.

1 files changed, 11 insertions, 1 deletions

diff --git a/host/lib/usrp/dboard_iface.cpp b/host/lib/usrp/dboard_iface.cpp
index 6be50130a..092e005f0 100644
--- a/host/lib/usrp/dboard_iface.cpp
+++ b/host/lib/usrp/dboard_iface.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2013 Ettus Research LLC
+// Copyright 2010-2013,2015 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -81,3 +81,13 @@ void dboard_iface::set_gpio_out(
 boost::uint16_t dboard_iface::get_gpio_out(unit_t unit){
     return _impl->gpio_out_shadow[unit];
 }
+
+void dboard_iface::set_command_time(const uhd::time_spec_t&)
+{
+    throw uhd::not_implemented_error("timed command feature not implemented on this hardware");
+}
+
+uhd::time_spec_t dboard_iface::get_command_time()
+{
+    return uhd::time_spec_t(0.0);
+}