On Tue, Oct 27, 2009 at 11:20:59, Viral Sachde wrote: > On Mon, Oct 26, 2009 at 6:22 PM, Digant <[email protected]> wrote: > > Hello everyone, > > > > I am using DM355 , MV4 lsp 1.2, I have got the EDMA working using APIs from > > dma.c.I can manually trigger EDMA and copy GPIO INDATA register to the > > memory buffer.I am also able to get normal interrupt triggered on that pin > > but I don't know somehow my EDMA triggering not working !! > > > > is there anything special I need to do in order to get it enable?? > > > > How can I access EDMA's register to check what is going on exactly ? > > You can open /dev/mem device, mmap particular page containing > interested register and than use directly that register via pointer > pointing to mapped page + offset.
devmem2 does all of this for you. http://free-electrons.com/pub/mirror/devmem2.c Thanks, Sekhar _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
