Hi James,This is wonderful! Thank you so much!
On Tuesday, 29 November, 2022 at 08:33:58 pm GMT-5, James Clark
<[email protected]> wrote:
I have been working on a guide to using PTP on the CM4:
https://github.com/jclark/rpi-cm4-ptp-guide
Fortunately, it is not necessary to recompile the kernel. You just need to
make sure you use the 20220830 version of the kernel. You can do this by adding
an apt pin. If you have already upgraded to a bad kernel, then you can download
and install a good version from the raspberry pi archive. Details here:
https://github.com/jclark/rpi-cm4-ptp-guide/blob/main/os.md
This has now been fixed in the raspberrypi stable kernel:
https://github.com/raspberrypi/linux/issues/5104#issuecomment-1304593383
so it should be in the next update.
James
On Wed, Nov 30, 2022 at 3:16 AM Maciek Machnikowski <[email protected]>
wrote:
On 28 Nov 2022, at 23:30, Nemo Crypto <[email protected]> wrote:
Hi All,
I found that Rasberry Pi CM4 has support for PTP timestamping. It has Gigabit
Ethernet PHY with IEEE 1588 support.If anyone is using the same and running
ptp4l on it, please respond. We can collaborate.
Thanks :)
Linuxptp runs on RPi CM4 with HW timestamping support and 1PPS in/out. See
details in this thread:
https://github.com/raspberrypi/linux/issues/4151#issuecomment-1214951075
Bear in mind that this support was disabled in mainstream kernel and needs
kernel recompilation to enable it.
RegardsMaciek
On Monday, 28 November, 2022 at 12:00:03 pm GMT-5, Nemo Crypto
<[email protected]> wrote:
Hi Experts,
I have experience developing/implementing the entire PTP stack (IEEE1588) in a
proprietary environment. So I am familiar with PTP, but I am new to linuxPTP
and would like to test/debug it on my own and looking for inputs to proceed the
right way.
Anyone here have tried using/running linuxptp in Rasberry Pi or Auduino? Or any
other leads or better way to proceed is highly appreciated.
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