From: Greg KH <gregkh@suse.de>
To: Raju Rameshwar Uprade <rajsingh@ncra.tifr.res.in>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: Regarding USB-to-Serial device driver
Date: Tue, 14 Sep 2010 06:19:25 -0700 [thread overview]
Message-ID: <20100914131925.GC375@suse.de> (raw)
In-Reply-To: <20100914060649.M96376@admin-gateway.ncra.tifr.res.in>
On Tue, Sep 14, 2010 at 11:41:42AM +0530, Raju Rameshwar Uprade wrote:
>
> > usb to serial devices are known for sending data in "chunks", that's the
> > way the devices work (cheap, tiny, 8bit microcontrollers in the device)
> > and they break things up like this all the time.
> >
>
> Greg,
> I am able to send data bytes properly.One problem, I am currently facing is to
> enable Address parity and Data parity.
>
> For Address parity we have to give a mark parity ( 0x04 ).
> For Data parity we have to give a space parity ( 0x05 ).
> I don't know how I can enable parity in pl2303.c.
Enable it like you would for any other serial port from userspace using
the proper termios bits.
good luck,
greg k-h
next prev parent reply other threads:[~2010-09-14 13:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-13 9:17 Regarding USB-to-Serial device driver Raju Rameshwar Uprade
2010-09-13 13:56 ` Alan Stern
2010-09-13 15:48 ` Greg KH
2010-09-14 6:11 ` Raju Rameshwar Uprade
2010-09-14 13:19 ` Greg KH [this message]
2010-09-22 5:32 ` Regarding USB-to-serial " Raju Rameshwar Uprade
2010-09-22 14:56 ` Greg KH
2010-09-23 10:15 ` Raju Rameshwar Uprade
2010-09-23 14:02 ` Greg KH
2010-09-28 9:21 ` Raju Rameshwar Uprade
2010-09-28 11:30 ` Greg KH
2010-09-28 11:56 ` Raju Rameshwar Uprade
2010-09-28 12:07 ` Greg KH
2010-10-04 4:33 ` Raju Rameshwar Uprade
2010-10-05 11:03 ` pl2303_ttyUSB0 userspace application not able to control RTS line Raju Rameshwar Uprade
2010-10-05 13:33 ` Greg KH
2010-10-06 4:14 ` Raju Rameshwar Uprade
2010-10-06 4:30 ` Greg Oliver
2010-10-06 5:01 ` Raju Rameshwar Uprade
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