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From: Andrew Lunn <andrew@lunn.ch>
To: Ganapat Rao P Kulkarni <gpkulkarni@gmail.com>
Cc: ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] My serial driver unable to read beyond 1200 bytes.
Date: Wed, 29 Jun 2005 10:01:00 -0000	[thread overview]
Message-ID: <20050629100106.GB5563@lunn.ch> (raw)
In-Reply-To: <d03e59ef05062818596442c7bb@mail.gmail.com>

On Wed, Jun 29, 2005 at 07:29:34AM +0530, Ganapat Rao P Kulkarni wrote:
> Hi all,
> I am working on developing eCos based bootloader for s3c2410 (arm920
> core) based board, and have customized a serial driver (RS232) to
> receive/transmit from/to the PC. I have configured UART1(FIFO mode)
> for my driver. I have set a default buffer value to 8192. (this I have
> done by editing the corresponding cdl file). Also the read mode is set
> to non blocking read.
> 
> Now when I tried to read using cyg_io_read, it reads only 1000 and odd
> bytes even though I am requesting to read around 2000 bytes. However
> from PC side I am transmitting 2000 bytes.

If you make another read do you get the rest of the data?

        Andrew

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      reply	other threads:[~2005-06-29 10:01 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-29  1:59 Ganapat Rao P Kulkarni
2005-06-29 10:01 ` Andrew Lunn [this message]

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