How do I synchronize PTP clocks between two Speedgoat target computers?

Can you give me an example for clock synchronization between two Speedgoat target computers using PTP?

Answer 1

[MathWorks Support Team]

For MATLAB R2026a and later:

PTP functionality is provided by the “ptp4l” command included with the 64-bit Linux-based real-time operating system (RTOS) which is used by Simulink Real-Time.

The following example shows how to sync PTP clocks on two Speedgoat machines:

Synchronize PTP Clocks on Two Target Computers (R2026a+)

For MATLAB R2020b through R2025b:

PTP functionality is provided by the “ptpd” command included with the 64-bit POSIX-compliant QNX® Neutrino® RTOS which is used by Simulink Real-Time. See the QNX documentation to learn more about the PTP daemon and flags: ptpd (qnx.com)

The following example shows how to sync PTP clocks on two Speedgoat machines:

Synchronize PTP Clocks on Two Target Computers (R2020b-R2025b)

The example files were added in R2023a, but the same commands should work in any release between R2020b and R2025b.

For MATLAB R2020a and earlier:

Refer to the PTP page in the Simulink Real-Time documentation below by executing the following command in MATLAB R2020a and earlier:

>> web(fullfile(docroot, 'xpc/precision-time-protocol.html'))