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The STM32F4 page did not say anything about the Ethernet MAC. - Describe the time counter of the MAC and the options that enable the timestamping of received packets, the pulse-per-second output and the use of the counter as a high-resolution RTC. - Describe the /dev/ptp0 clock that the driver registers: the operations it offers, the numbering, and that the timestamps of the received packets are values of the MAC counter and not of CLOCK_REALTIME, so they have to be compared with /dev/ptp0. - Show how to start ptpd with them and a configuration that enables everything above. - Say that the driver does not timestamp transmitted packets. Signed-off-by: Daniel P. Carvalho <danieloak@gmail.com> Assisted-by: Claude:claude-sonnet-5 |
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