diff options
| -rw-r--r-- | host/lib/usrp/dboard_iface.cpp | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/host/lib/usrp/dboard_iface.cpp b/host/lib/usrp/dboard_iface.cpp index b2ff23ab9..4a3836151 100644 --- a/host/lib/usrp/dboard_iface.cpp +++ b/host/lib/usrp/dboard_iface.cpp @@ -13,11 +13,20 @@ using namespace uhd::usrp; void dboard_iface::sleep(const boost::chrono::nanoseconds& time) { - // nanosleep is not really accurate in userland and it is also not very - // cross-platform. So just sleep for the minimum amount of time in us. - if (time < boost::chrono::microseconds(1)) { - std::this_thread::sleep_for(std::chrono::microseconds(1)); + // This sleep function is intended to create a delay on the + // device. If a command time is set, just increment that time. + // If not, the best we can do is just do a sleep on the host. + // FIXME: Create a delay in the FPGA on the device. + auto cmd_time = get_command_time(); + if (cmd_time.get_real_secs() != 0.0) { + set_command_time(cmd_time + uhd::time_spec_t(time.count())); } else { - std::this_thread::sleep_for(std::chrono::microseconds(time.count())); + // nanosleep is not really accurate in userland and it is also not very + // cross-platform. So just sleep for the minimum amount of time in us. + if (time < boost::chrono::microseconds(1)) { + std::this_thread::sleep_for(std::chrono::microseconds(1)); + } else { + std::this_thread::sleep_for(std::chrono::microseconds(time.count())); + } } } |