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From: Andrew Lunn <andrew@lunn.ch>
To: Jim Seymour <ecosjim@cipher.com>
Cc: ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] AT91 Serial Receive: asserts when buffer fills up
Date: Thu, 31 May 2007 23:32:00 -0000	[thread overview]
Message-ID: <20070531231709.GC5944@lunn.ch> (raw)
In-Reply-To: <465F4A25.8070407@cipher.com>

On Thu, May 31, 2007 at 03:20:21PM -0700, Jim Seymour wrote:
> In the serial DSR in at91_serial.c, there is a CYG_FAIL() macro if the 
> receive buffer fills up.  (Line #612)
> 
> Is this appropriate?  We like to run with asserts turned on (at least 
> during development), but in our application, overflowing the receive 
> buffer is not that big of a deal.
> 
> It appears that all the other serial drivers quietly throw away 
> characters if their receive buffer is full.  Any complaints if I submit 
> a patch to do the same in the AT91 driver?

"all other" equates to just the sh/scif driver. At the moment there
are only two drivers to do block transfers, the AT91 being the other. 

Removing the CYG_FAIL is O.K.

         Andrew


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      reply	other threads:[~2007-05-31 23:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-31 23:17 Jim Seymour
2007-05-31 23:32 ` Andrew Lunn [this message]

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