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Re: guide for running eCos in ARM PID
- From: "Young Jay" <young_jay at sohu dot com>
- To: "Jonathan Larmour" <jifl at eCosCentric dot com>
- Cc: <ecos-discuss at sources dot redhat dot com>
- Date: Fri, 27 Jun 2003 10:25:12 +0800 (CST)
- Subject: Re:[ECOS] guide for running eCos in ARM PID
Thank you very much for your suggestions. I think I did just try to connect the Angel ROM monitor on the board using GDB. I also tried with setting the baudrate as 9600 and some else, with no effect. And now I am intending to make RAM startup RedBoot work by means of a multi-ICE.
----- Original Message -----
From: Jonathan Larmour
To: Young Jay
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] guide for running eCos in ARM PID
Sent: Thu Jun 26 14:11:33 CST 2003
> Young Jay wrote:
> > Hello, Jonathan:
> >
> > I just followed the instructions from
> > http://sources.redhat.com/ecos/docs-latest/user-guide/setup-arm-pid.html,
> > but when I progressed to make redboot written into the Flash on PID
> > board, I got an error message as follows: [snip]
>
> > (gdb) target rdi s=com1
> > RDI_open: undefined error message, should reset target
> > RDI_open failed
> >
> > My board is properly powered up and I have connected it with a serial
> > cable to the host computer. Also I made correct jumper and switch set
> > referring to the user guide for PID board. But it seems that the
> > communucation channel hasn't been established. Could you tell me if
> > there is still something to be configured in order to program redboot
> > with ROM startup mode into the flash on board? Thanks a lot!
>
> Hi, it seems no one else was able to help, and I don't really know either,
> but I'll try and give you pointers: At this stage RedBoot isn't even in
> the picture. You're just trying to connect using GDB to the Angel ROM
> monitor on the board.
>
> I tried the GDB 5.3 (eCosCentric) with another board here and was able to
> connect to Angel fine, so it isn't the GDB. If you have any ARM tools can
> you see if you can connect to Angel that way to check Angel is working at all?
>
> Perhaps it's as simple as needing to set a different baud rate? I found
> RDI to be unreliable at 38400, but if I did:
> set remotebaud 9600
> first, it behaved better.
>
> Worst case you have to use a PROM programmer, and put a new physical PROM
> in the board.
>
> Jifl
> --
> eCosCentric http://www.eCosCentric.com/ The eCos and RedBoot experts
> --[ "You can complain because roses have thorns, or you ]--
> --[ can rejoice because thorns have roses." -Lincoln ]-- Opinions==mine
>
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