Re: [ECOS] eCos on LPC2106

Re: [ECOS] eCos on LPC2106

[Tim michals]

There is an example in the configuration example for OpenOCD.  To debug new firmware:
1. Download firmware into flash using the OCD configuration or telnet interface
2. using insight or eclipse attach to the dbg server and start eclipse session
there is a slide presentation in the Yargto tools for doing this.

----- Original Message ----
From: Alexandre <thekyz@gmail.com>
To: Alexandre <thekyz@gmail.com>; ecos-discuss@ecos.sourceware.org
Sent: Tuesday, June 19, 2007 7:58:48 AM
Subject: Re: [ECOS] eCos on LPC2106

Well Olimex advises to use OpenOCD for their JTAG device so :(

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Re: [ECOS] eCos on LPC2106

[Alexandre]

Ok seems to work, thank you so much everyone :)

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Re: [ECOS] eCos on LPC2106

[Edgar Grimberg]

Andrew Lunn wrote:
> On Tue, Jun 19, 2007 at 02:58:48PM +0200, Alexandre wrote:
>   
>> Well Olimex advises to use OpenOCD for their JTAG device so :(
>>     
>
> I did a little googling. Use telnet to the OpenOCD daemon CLI.
>
>   Andrew
>
>   
And a good ol' "help" inside that telnet console solves 99% of the 
problems :)

Edgar

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Re: [ECOS] eCos on LPC2106

[Andrew Lunn]

On Tue, Jun 19, 2007 at 02:58:48PM +0200, Alexandre wrote:
> Well Olimex advises to use OpenOCD for their JTAG device so :(

I did a little googling. Use telnet to the OpenOCD daemon CLI.

  Andrew

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Re: [ECOS] eCos on LPC2106

[Alexandre]

Well Olimex advises to use OpenOCD for their JTAG device so :(

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Re: [ECOS] eCos on LPC2106

[Andrew Lunn]

On Tue, Jun 19, 2007 at 02:45:27PM +0200, Alexandre wrote:
> Yes i'm trying to load the code into FLASH. I use OpenOCD for the GDB
> Remote Server, with an Olimex USB-JTAG-KEY.
> In gdb I can see the code presently running in flash, can see the
> registers as well, but i can't manage to use the "download" feature
> without having the error I described above.

I've never used OpenOCD, but in my experience with JTAG devices, there
is a separate program used to download code into flash.

   Andrew

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Re: [ECOS] eCos on LPC2106

[Alexandre]

Yes i'm trying to load the code into FLASH. I use OpenOCD for the GDB
Remote Server, with an Olimex USB-JTAG-KEY.
In gdb I can see the code presently running in flash, can see the
registers as well, but i can't manage to use the "download" feature
without having the error I described above.

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Re: [ECOS] eCos on LPC2106

[Andrew Lunn]

On Tue, Jun 19, 2007 at 02:34:37PM +0200, Alexandre wrote:
> Hi everybody !
> 
> I finally managed to have a good footprint of ecos, the size I want it
> to be actually, and I compiled both hello & twothreads code samples
> from the ecos' example directory.
> 
> But, i have a small problem when I try to upload the code to my board
> within gdb, the console gives me that:
> 
> Loading section .rom_vectors, size 0x40 lma 0x0
> DOWNLOAD FAILED: Memory access error while loading section .rom_vectors

Are you trying to load this into FLASH? I assume so, since the LPC
family is designed to run code directly from FLASH. 

gdb is not directly capable of that. You need a JTAG programmer.

    Andrew

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[ECOS] eCos on LPC2106

[Alexandre]

Hi everybody !

I finally managed to have a good footprint of ecos, the size I want it
to be actually, and I compiled both hello & twothreads code samples
from the ecos' example directory.

But, i have a small problem when I try to upload the code to my board
within gdb, the console gives me that:

Loading section .rom_vectors, size 0x40 lma 0x0
DOWNLOAD FAILED: Memory access error while loading section .rom_vectors

I haven't been able so far to get any code on the board :(

Does anyone have an idea of what I could have done wrong ?

For information, i used the Olimex LPC2106 Eval Board hardware config
with a "kernel" template and the build went pretty fine from start to
finish. After that I just compiled the twothreads.c example file using
my target file.

Thank you in advance !

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[ECOS] eCOS on LPC2106

[Evgeny Belyanco]

Hi!

Can anybody give me detail instruction, how i can

* Configure RedBoot (Cygwin) for simple LPC2106 board (just one chip +
RS-232 drivers)
* build Redboot image, flash it in to the chip
* simplest test program & minimal eCOS configuration, that can fit
64Kb RAM

Is it real to make simple demo (as eCOS application - not simple C prog :) )for
64kByte of RAM (LED flasher, etc.)?



Evgeny Belyanco
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