From 8e9a8464386db03a596e0b88d0714d22723d37d0 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 10 Mar 2010 14:47:03 -0800 Subject: Added simple device to handle wrapping general properties up into simple api. Added setting time capability to the usrp2 impl. Messing with props and time specs... --- host/lib/time_spec.cpp | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 host/lib/time_spec.cpp (limited to 'host/lib/time_spec.cpp') diff --git a/host/lib/time_spec.cpp b/host/lib/time_spec.cpp new file mode 100644 index 000000000..193441342 --- /dev/null +++ b/host/lib/time_spec.cpp @@ -0,0 +1,40 @@ +// +// Copyright 2010 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 +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . +// + +#include + +using namespace uhd; + +time_spec_t::time_spec_t(void){ + secs = ~0; + ticks = ~0; +} + +time_spec_t::time_spec_t(uint32_t new_secs, uint32_t new_ticks){ + secs = new_secs; + ticks = new_ticks; +} + +static const boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1)); +static double time_tick_rate(boost::posix_time::time_duration::ticks_per_second()); + +time_spec_t::time_spec_t(boost::posix_time::ptime time, double tick_rate){ + boost::posix_time::time_duration td = time - epoch; + secs = td.total_seconds(); + double time_ticks_per_device_ticks = time_tick_rate/tick_rate; + ticks = td.fractional_seconds()/time_ticks_per_device_ticks; +} -- cgit v1.2.3