Accidentally I've replied privately, sorry. Forwarding to ML...
---------- Forwarded message ----------
From: Antonino Ingargiola <[EMAIL PROTECTED]>
Date: May 4, 2007 11:29 AM
Subject: Re: [SOLVED] Serial buffer corruption [was Re: FTDI
usb-serial possible bug]
To: Oliver Neukum <[EMAIL PROTECTED]>
On 5/4/07, Oliver Neukum <[EMAIL PROTECTED]> wrote:
> Am Freitag, 4. Mai 2007 10:38 schrieb Antonino Ingargiola:
> > To solve the problem we must do a complete flush of all the buffer
> > chain. I do this flushing the input multiple times with a small pause
> > between them. In my case 10 flushes separated by a 10ms pause always
> > empties the whole buffer chain, so I get no corruption anymore. I'ts
> > not an elegant solution but it works (10 flushes are an overkill but I
> > want to be _really_ sure to read the correct data).
>
> How do you flush the buffers? Simply reading them out?
Nope. In python I use the flushInput() method of the serial object
defined by the pyserial library[0]. The method does just this system
call:
termios.tcflush(self.fd, TERMIOS.TCIFLUSH)
that I think is correct.
Cheers,
~ Antonio
[0]: http://pyserial.sourceforge.net/ (or python-serial debian package)
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