uhd/host/lib/time_spec.cpp
Josh Blum 8e9a846438 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...
2010-03-10 14:47:03 -08:00

40 lines
1.4 KiB
C++

//
// 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 <http://www.gnu.org/licenses/>.
//
#include <uhd/time_spec.hpp>
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;
}