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Re: My serial driver unable to read beyond 1200 bytes.
- From: Andrew Lunn <andrew at lunn dot ch>
- To: Ganapat Rao P Kulkarni <gpkulkarni at gmail dot com>
- Cc: ecos-discuss at ecos dot sourceware dot org
- Date: Wed, 29 Jun 2005 12:01:06 +0200
- Subject: Re: [ECOS] My serial driver unable to read beyond 1200 bytes.
- References: <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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