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Re: Redboot -Linux serial communication.
- From: Jonathan Larmour <jlarmour at redhat dot com>
- To: umesh jaiswal <umeshcj at yahoo dot com>
- Cc: eCos discussion <ecos-discuss at sources dot redhat dot com>
- Date: Tue, 15 Jan 2002 14:28:36 +0000
- Subject: Re: [ECOS] Redboot -Linux serial communication.
- Organization: Red Hat UK Ltd.
- References: <20020115125631.83694.qmail@web13704.mail.yahoo.com>
umesh jaiswal wrote:
>
> Dear Jo...
> Thanks for your continuous help since past some days.
> As I am working on Redboot - ecos ,I have
> still some problems .
> According to you I have tried minicom on linux to
> connect to my redboot with serial port ,using null
> modem cable,but failed to load the file from linux to
> redboot.
> I have done all nessesorry arrengement for serial
> connection . I tried to upload the file with all
> protocols like xmodem, ymodem zmodem, asciimodem but
> couldn't. what I got is simply time out on path name
> massege.I also tried from redboot side too,using the
> load command.
You have to use the load command in RedBoot and *then* use Ctrl-a s in
minicom, selecting the same protocol you told RedBoot (in the example
below, xmodem).
> I have used com2 port with /dev/ttys1 since my mouse
> is in port com1 (dev/ttyS0).
> I also tried the different baud rates .
> I don't know where is my mistake
> I also put the line
> append="console=ttyS console=ttyS1 384008N1 " in
> lilo.conf file.
Don't do that. That's for the linux kernel console.
> But couldn,t get success .
> please help me out ....
> Regards !!
> umesh
> --- Jonathan Larmour <jlarmour@redhat.com> wrote:
> > umesh jaiswal wrote:
> > >
> > > Hi all ,
> > >
> > > I am newbe to redboot & ecos .
> > > I have booted my pc (i386) with the help of
> > redboot
> > > from floppy .
> > > I amazed to see the result that how a single stand
> > > alone redboot can boot a pc .
> > > I want to load certain files with redboot ,for
> > that I
> > > connect two pc one is having linux & other is
> > booted
> > > from redboot with serial ports. Then I run
> > following
> > > commonds from redboot prompt.
> > > Load -r -v -m xmodem filename -b
> > > <base_address>
> > > The filename is my executable file of linux
> > > application programe .similarly I also tried for
> > other
> > > files.
> >
> > Yes, but you have to be talking to RedBoot from the
> > Linux side too! Try
> > using minicom and sending the file with Ctrl-a s
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