ecrt_master_64bit_reference_clock_time_queue must be called at any point prior to calling ecrt_master_send.
ecrt_master_64bit_reference_clock_time must be called following some previous calls to ecrt_master_64bit_reference_clock_time_queue, ecrt_master_send, and ecrt_master_recv (in that order), and before calling ecrt_master_64bit_reference_clock_time_queue a second time. (It doesn’t have to be on the immediately subsequent cycle, but that usually makes the most sense.) Interleaved calls to other functions are irrelevant (apart from closing the master, of course). This should be fairly obvious, if you think about it. (And it’s documented.) As for how often to call them, that’s entirely up to how often you want the answer, either for internal diagnostics or to look at the datagram in the network trace. It is purely informational and does not affect slave clock synchronisation. If you’re not interested in the answer, then you don’t need to call it at all. From: Mohsen Alizadeh Noghani <m.aliza...@gmail.com> Sent: Thursday, 25 October 2018 20:28 To: etherlab-users@etherlab.org; Gavin Lambert <gavin.lamb...@tomra.com>; graeme.f...@touchcut.com Subject: Where, in the application cycle, should I call ecrt_master_64bit_reference_clock_time/queue? Hello everyone. I would like to know where should I call ecrt_master_64bit_reference_clock_time_queue() and ecrt_master_64bit_reference_clock_time() 1- with respect to each other (does it matter which one is called first?) 2- with respect the distributed clock function calls? i.e. ecrt_master_application_time() ecrt_master_sync_reference_clock() ecrt_master_sync_slave_clocks() 3- with respect to ecrt_domain_queue() and ecrt_master_send() Best, Mohsen
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