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From: | Alexander Levedahl |
Subject: | Re: [Discuss-gnuradio] Late Packet Arrivals |
Date: | Sun, 22 Nov 2015 14:44:51 -0500 |
Hi Alex,
what's your USRP type?
look for lines that are uspr->set_command_time, or where you have a uhd::tx_metadata_t and set a time_spec in that.
Also, timed commands imply that you set a sensible time on the USRP, so look for any place that calls "set_time_now", "set_time_next_pps" or "set_time_unknown_pps".
Which version of UHD are you currently using? Is your USRP equipped with a GPSDO?
Best regards,
Marcus
On 22.11.2015 19:56, Alexander Levedahl wrote:
AlexHello,I have an application that is spewing up 'L's indicating late packet arrival at the destination. How can I go about investigating this problem (e.g., how do I determine what the time of transmission is in the packet and the time it is received by the ettus box)?
I have not done much work in gnuradio before and am taking over an application from someone previous.
Thanks,
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