Userpace serial port

Greg KH greg at
Wed Jun 10 23:52:07 EDT 2015

On Wed, Jun 10, 2015 at 02:39:35PM +0200, Ricardo Ribalda Delgado wrote:
> Hello
> I have a serial port accesible via Ehtercat.
> Ethercat is a fancy way of accessing i/o devices via ethernet. You can
> read/write registers with close to real-time restrictions.
> Nowadays there is a kernel land implementation of ethercat master, but
> it is not merged (and it is definately not an easy job). And a
> software implementation

Why not attempt to merge it?

> My hope is that there is something like uinput, but for serial
> devices,i.e. I make a userland program that looks like a normal serial
> device to the other applications.

A serial device that does what exactly?  What's wrong with the "normal"
serial userspace api the kernel provides?


greg k-h

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