On 22/11/2023 04:37, Patryk Chamuczyński wrote:
Hi
I am writing a simple app that relays received samples with some delay.
What I do is I start reading from the rx stream in a continuous mode:
stream_cmd=uhd.types.StreamCMD(uhd.types.StreamMode.start_cont)
stream_cmd.stream_now =True
self.rx_streamer.issue_stream_cmd(stream_cmd)
if(metadata.has_time_spec):
timespec=metadata.time_spec
and then in another thread I restamp each sample and send it to a tx
stream:
tx_metadata=uhd.types.TXMetadata()
tx_metadata.has_time_spec =True
tx_metadata.start_of_burst =False
tx_metadata.end_of_burst =False
delay_spec=uhd.types.TimeSpec(self.delay_s)
fortimespec, buffer, real_lengthinqueue:
tx_timespec=timespec+delay_spec
tx_metadata.time_spec =tx_timespec
sent=self.tx_streamer.send(buffer, tx_metadata, real_length)
Is it a right approach in general? My problem is that the receiver
reports many CRC errors, so something must happen on the way. Is it
possible that the tx stream is not continuous and thus some samples
are misinterpreted?
Patryk
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