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Diffstat (limited to 'gr-uhd/include/gr_uhd_usrp_sink.h')
-rw-r--r--gr-uhd/include/gr_uhd_usrp_sink.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/gr-uhd/include/gr_uhd_usrp_sink.h b/gr-uhd/include/gr_uhd_usrp_sink.h
index d6cbe2fdc..ff4856f9b 100644
--- a/gr-uhd/include/gr_uhd_usrp_sink.h
+++ b/gr-uhd/include/gr_uhd_usrp_sink.h
@@ -118,6 +118,19 @@ class GR_UHD_API uhd_usrp_sink : virtual public gr_sync_block{
public:
/*!
+ * Set the start time for outgoing samples.
+ * To control when samples are transmitted,
+ * set this value before starting the flow graph.
+ * The value is cleared after each run.
+ * When not specified, the start time will be:
+ * - Immediately for the one channel case
+ * - in the near future for multi-channel
+ *
+ * \param time the absolute time for transmission to begin
+ */
+ virtual void set_start_time(const uhd::time_spec_t &time) = 0;
+
+ /*!
* Set the frontend specification.
* \param spec the subdev spec markup string
* \param mboard the motherboard index 0 to M-1