From 6b720a9ea43be61e210f645615392a388a0dfdd0 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Mon, 21 Aug 2017 18:18:17 -0700
Subject: uhd: Parametrize recv timeout and single-packet option
usrp_source currently hard-codes timeout values. For high-performance
applications, it might be desirable to control the details of the call
to uhd::rx_streamer::recv(), which is now enabled.
Defaults are unchanged.
---
gr-uhd/lib/usrp_source_impl.cc | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
(limited to 'gr-uhd/lib/usrp_source_impl.cc')
diff --git a/gr-uhd/lib/usrp_source_impl.cc b/gr-uhd/lib/usrp_source_impl.cc
index 23b94c684f..e1fe14c5c5 100644
--- a/gr-uhd/lib/usrp_source_impl.cc
+++ b/gr-uhd/lib/usrp_source_impl.cc
@@ -71,6 +71,7 @@ namespace gr {
args_to_io_sig(stream_args)),
usrp_block_impl(device_addr, stream_args, ""),
_recv_timeout(0.1), // seconds
+ _recv_one_packet(true),
_tag_now(false),
_issue_stream_cmd_on_start(issue_stream_cmd_on_start)
{
@@ -489,6 +490,15 @@ namespace gr {
_tag_now = true;
}
+ void
+ usrp_source_impl::set_recv_timeout(
+ const double timeout,
+ const bool one_packet
+ ) {
+ _recv_timeout = timeout;
+ _recv_one_packet = one_packet;
+ }
+
bool
usrp_source_impl::start(void)
{
@@ -625,7 +635,7 @@ namespace gr {
noutput_items,
_metadata,
_recv_timeout,
- true /* one packet -> minimize latency */
+ _recv_one_packet
);
#else
size_t num_samps = _dev->get_device()->recv
--
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