On 28 April 2011 23:24, Peter C. Wallace <[email protected]> wrote: > Yes, you must send to receive with SPI so unless you want to duplicate the > sending (Looking at the 7I43 timing I would think not) you need to reverse the > normal order of read write (for SPI only). This means that the read data is > always from the last thread invocations write, that is the read data is one > thread time late. This is fine for the 7I65 as the SPI input data is not > motion related.
Ah, yes, I had forgotten that. Though I guess if somebody tried to use the analogue inputs to read tacho data to close a velocity loop they might have problems. -- atp "Torque wrenches are for the obedience of fools and the guidance of wise men" ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
