Wolfgang Grandegger wrote: >>>> I see that you typical use a sample point at 75%. >>>> CANopen has a "Recommended location of sample point" at 87.5%. (CiA 301). >>> I don't have access to the standard, but [1] lists a sample point of 75% >>> for 1000 kbit/s and 80% for 800 kbit/s. All slower bitrates have the >>> 87.5% sample point.
>>> [1] www.can-cia.org/fileadmin/cia/files/icc/9/koppe.pdf >> It's from 2003 >> I hope the list will accept small pictures. >> From CiA301 Version 4.1, 11. April 2007 > > Grrr, our current settings are based on the following mail: > > https://lists.berlios.de/pipermail/socketcan-core/2008-May/001231.html > > For backward compatibility, I'm not sure if I want to modify them silently? I just checked with the "can-calc-bit-timing". The current algorithm find the same bit timing parameters for all can cores, no matter if we're using the older or the newer CIA recommendations. Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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