From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6317 invoked by alias); 29 Jun 2005 10:01:33 -0000 Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Received: (qmail 6094 invoked by uid 22791); 29 Jun 2005 10:01:19 -0000 Received: from londo.lunn.ch (HELO londo.lunn.ch) (80.238.139.98) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Wed, 29 Jun 2005 10:01:19 +0000 Received: from lunn by londo.lunn.ch with local (Exim 3.36 #1 (Debian)) id 1DnZNS-0001UK-00; Wed, 29 Jun 2005 12:01:06 +0200 Date: Wed, 29 Jun 2005 10:01:00 -0000 To: Ganapat Rao P Kulkarni Cc: ecos-discuss@ecos.sourceware.org Message-ID: <20050629100106.GB5563@lunn.ch> Mail-Followup-To: Ganapat Rao P Kulkarni , ecos-discuss@ecos.sourceware.org References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i From: Andrew Lunn Subject: Re: [ECOS] My serial driver unable to read beyond 1200 bytes. X-SW-Source: 2005-06/txt/msg00283.txt.bz2 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 -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss