From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: barebox@lists.infradead.org
Subject: Re: [RFC PATCH] commands: change Y-Modem implementation
Date: Sat, 27 Oct 2012 15:26:04 +0200 [thread overview]
Message-ID: <20121027132604.GA28904@game.jcrosoft.org> (raw)
In-Reply-To: <1351278011-26982-1-git-send-email-robert.jarzmik@free.fr>
On 21:00 Fri 26 Oct , Robert Jarzmik wrote:
> The current Y-Modem implementation has some limitations:
> - Y-Modem/G protocol is not supported
> - Multiple files (aka. batch) transfers are not supported
> - Transfer speed over fast lines (USB console) is slow
> - Code is not trivial to maintain (personnal opinion)
>
> This implementation tries to address all these points by
> introducing loady2 command.
>
> The effects are :
> - transfer speed for Y-Modem over USB jumps from 2kBytes/s
> to 180kBytes/s
> - transfer speed for Y-Modem/G jumps to 200kBytes/s
> - multiple file transfers are possible
>
> This command was tested on a USB console. Before going any
> further, I'd like barebox communauty opinion about :
> - is this code more maintainable that xyzModem.c ?
> - is some xyzModem.c functionality missing ?
> - can anybody test it on a slow UART line (even better if
> it is noisy) to check protocol corner cases ?
personnaly I use kermit so I need xmodem
did you try it?
Best Regards,
J.
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next prev parent reply other threads:[~2012-10-27 13:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-26 19:00 [RFC PATCH] commands: change Y-Modem implementation Robert Jarzmik
2012-10-27 5:49 ` Antony Pavlov
2012-10-27 9:15 ` Robert Jarzmik
2012-10-27 12:21 ` Sascha Hauer
2012-10-27 13:26 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-10-27 23:33 ` Robert Jarzmik
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