Hi, Dan! Dan Malek wrote: > Before you start, just make sure such a thing is really a performance > enhancement. Yes, the DMA does run in parallel with the core, but often > the overhead of the set up and clean up interrupt is more code and time > that if you just copied the data in a loop. If possible, integrate the DMA > processing into other driver work, clean up a previous DMA the next time > the driver needs to use it, not with a separate completion handler.
Well... thanks. But the CPU is intended to do image processing while data comes in. And currently, when I access (memcopy) the SRAM on my Local Bus via UPM I cannot get it to generate bursts yet, so I hope the DMA will speed up those things, too. Greets, Clemens Koller _______________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Str. 45/1 81379 Muenchen Germany http://www.anagramm.de Phone: +49-89-741518-50 Fax: +49-89-741518-19
