On Fri, 18 Feb 2011 01:36:16 +0100, Greg KH <greg@xxxxxxxxx> wrote:
On Fri, Feb 18, 2011 at 12:18:36AM +0100, Frode Tennebà wrote:
On Thu, 17 Feb 2011 14:28:36 +0100, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
wrote:
> There are standardised ioctls for RS485 mode and the like. So just add
> support for those and submit a patch. (TIOCGRS485/TIOCSRS485).
The functionality I was referring to was the software mode selection
supported by the Edgeport hard-/firmware as described in their ionmode.c
utility:
Do you have a pointer to the source code for this tool? That will tell
you how it is setting these modes for the device, right?
Sure. This link [1] contains the source code for the original driver as
well as the utility. The IOCTLs it is using is ION_SETMODE/ION_GETMODE.
-Frode
[1] ftp://ftp1.digi.com/support/beta/linux/edgeport/edgeport-0.5-1.gz
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