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[Horizon] how to sync. timestamp? #79

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opened 2020-08-05 03:46:07 +02:00 by Grandit · 4 comments
Grandit commented 2020-08-05 03:46:07 +02:00 (Migrated from github.com)
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Hello, I have two questions:

  1. Livox Viewer:
    -- Can Livox Viewer support IEEE1588-2008 timestamp sync. when connects to Horizon? If so, how to set it?
  2. sample code：
    -- How to use IEEE1588 to sync. timestamp?
    -- And just send&receive ptp packet(sync，follow_up, delay_req,delay_resp) following with the IEEE1588 protocol? Is there anything should pay attention to?
Hello, I have two questions: 1. Livox Viewer: -- Can Livox Viewer support IEEE1588-2008 timestamp sync. when connects to Horizon? If so, how to set it? 2. sample code： -- How to use IEEE1588 to sync. timestamp? -- And just send&receive ptp packet(sync，follow_up, delay_req,delay_resp) following with the IEEE1588 protocol? Is there anything should pay attention to?
Livox-SDK commented 2020-08-07 05:14:16 +02:00 (Migrated from github.com)
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Hi @Grandit，
Timestamp Synchronization might help you.

Hi @Grandit， [Timestamp Synchronization](https://github.com/Livox-SDK/Livox-SDK/wiki/Timestamp-Synchronization) might help you.
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Grandit commented 2020-08-07 11:06:52 +02:00 (Migrated from github.com)
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Thanks for your answer!
It means that I can't sync. the timestamp by PTP protocol unless my eth. hardware support PTP hardware clock?
And my eth. hardware infomation as follows:
eth0

Thanks for your answer! It means that I _can't sync._ the timestamp by PTP protocol **unless** my eth. hardware support PTP hardware clock? _And my eth. hardware infomation as follows:_ ![eth0](https://user-images.githubusercontent.com/33994070/89629392-53dcd500-d8d0-11ea-87ad-30a32bda0cdd.PNG)
Grandit commented 2020-08-11 10:37:19 +02:00 (Migrated from github.com)
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Hi，
I have tested the PPS timestamp sync. type, but I couldn't find the expection that "the rising edge of PPS will reset the timestamp to zero".
And any other procedure did I miss?
Please help~ thx!

Hi， I have tested the PPS timestamp sync. type, but I **couldn't** find the expection that "**_the rising edge of PPS will reset the timestamp to zero_**". And any other procedure did I miss? Please help~ thx!
smallzhao commented 2020-10-11 05:15:15 +02:00 (Migrated from github.com)
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I also encountered the same problem. My network card does not support hard clocks. Can we support soft clocks?

I also encountered the same problem. My network card does not support hard clocks. Can we support soft clocks?
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Reference: mmr/Livox-SDK#79
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