linux-kernel - Re: Regarding USB-to-serial device driver

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Message-Id: <20101004042924.M50398@admin-gateway.ncra.tifr.res.in>
Date:	Mon, 4 Oct 2010 10:03:40 +0530
From:	"Raju Rameshwar Uprade" <rajsingh@...a.tifr.res.in>
To:	Greg KH <gregkh@...e.de>,
	Raju Rameshwar Uprade <rajsingh@...a.tifr.res.in>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: Regarding USB-to-serial device driver

Hi Greg,

> > Is it possible to control RTS line from user space.
> 
> Yes.

It's  possible to control RTS line for standard UART serial port like ttyS0 and ttyS1
from userspace.

But for USB-to-serial port like ttyUSB0, the program is not able to control RTS line
from userspace.

I have attached the userspace program for enable/disable of RTS line.

Thanks-

Raj

View attachment "Test.c" of type "text/x-csrc" (1628 bytes)