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Discussion Groups | Code-Composer | loading programs on the C62x EVM board

Technical discussions about Code Composer Studio.

  

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loading programs on the C62x EVM board - Author Unknown - May 27 8:19:00 1999



Hello,

I am using code composer NT for writing code, compiling and downloading the
compiled code on my C62x EVM board. Writing and compiling code works fine, but
I have serious problems loading the compiled program (also the included demo
programs!) on the EVM. While loading the program, I sometimes get the error
message "TROUBLE WRITING TARGET DSP MEMORY; ERROR NUMBER -1206; ERROR ADDRESS
1125C". Sometimes, the error message "CANT REMOVE BREAKPOINT; ERROR NUMBER
-2044; ERROR ADDRESS 1125C" appears. The evm6xrst and evm6xtst (tried all
additional options) indicate that the board is visible and OK. I tried other
computers and other EVMC62 boards but the same errors occurred. Strange enough,
these error messages did not appear last week and my system worked fine (as is
should be)! BUT I had to close code composer...and...after opening code
composer, the same problems are appearing! I can't work on a platform like
that! Is there someone out there with the same problems or with a (any)
suggestion?
Thanks a lot!
Bjorn

Windows NT4.0 (administrator)
Code composer release 4.0/2.01
Code generation tools 1.93
EVM C62





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Re: loading programs on the C62x EVM board - Tim Jones - May 27 12:54:00 1999

Hi Bjorn,

Have you adjusted your INIT.GEL file to account for the EMIF registers?
The EMIF registers need to be initialized (see EVM 6x Technical Reference)
to account for the SBSRAM and the SDRAM. They normally come up right on
initialization, but if you "Reset DSP" from the Debug menu, they revert to
the CPU default state which does not account for the external RAM. You
need to create your own reset routine, or adjust it in your .GEL file.
There should be a commented example of how to do that in your default
INIT.GEL.

Good Luck - Tim At 08:19 AM 5/27/99 -0000, wrote:
>Hello,
>
>I am using code composer NT for writing code, compiling and downloading
the compiled code on my C62x EVM board. Writing and compiling code works
fine, but I have serious problems loading the compiled program (also the
included demo programs!) on the EVM. While loading the program, I
sometimes get the error message "TROUBLE WRITING TARGET DSP MEMORY; ERROR
NUMBER -1206; ERROR ADDRESS 1125C". Sometimes, the error message "CANT
REMOVE BREAKPOINT; ERROR NUMBER -2044; ERROR ADDRESS 1125C" appears. The
evm6xrst and evm6xtst (tried all additional options) indicate that the
board is visible and OK. I tried other computers and other EVMC62 boards
but the same errors occurred. Strange enough, these error messages did not
appear last week and my system worked fine (as is should be)! BUT I had to
close code composer...and...after opening code composer, the same problems
are appearing! I can't work on a platform like that! Is there someone out
there with the same problems or with a (any) suggestion?
>Thanks a lot!
>Bjorn
>
>Windows NT4.0 (administrator)
>Code composer release 4.0/2.01
>Code generation tools 1.93
>EVM C62 > ------------------------------------------------------------------------

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Re: loading programs on the C62x EVM board - Stephane Boucher - May 27 13:08:00 1999

Bjorn,

I had similar problems when I started up with this environment. It took me a
while to find out that the main cause was that I did not initialize the
board properly before loading the code. TI provides an initialization file
called "evminit.gel". You should find this file on the installation CDROM or
maybe it is already installed on your hard disk. In my case, this file was
not installed when I installed Code Composer and I had to copy it from the
CD-ROM to the Code Composer BIN directory. To execute this GEL each time
you start Code Composer, you need to specify the name of this GEL file at
the end of the command line which startup Code Composer (you can do that by
modifying the properties of the shortcut you use to start Code Composer).

To make sure that the board is initialized properly everytime I reload the
code, I created a GEL file that I execute everytime I want to reload. This
GEL file does the following task:
Reset the board ( GEL_Reset() )
Setup EMIF ( StartUp() )

To use that GEL file, you have to load it into Code Composer. See the
User's guide for more info.

I still have a problem sometimes when I add or remove files from the project
and then try to load and execute the program. The program get lost. To
make it work properly, I have to close Code Composer, call evm6xrst.exe and
then start Code Composer again. If anybody has a solution to that problem,
it would be very appreciated.

Bjorn, tell me if the solution that solved the problem for me applies to
you.

Good luck

Stephane Boucher
-----Original Message-----
From: <>
To: <>
Date: Thursday, May 27, 1999 4:19 AM
Subject: [code-comp] loading programs on the C62x EVM board >Hello,
>
>I am using code composer NT for writing code, compiling and downloading the
compiled code on my C62x EVM board. Writing and compiling code works fine,
but I have serious problems loading the compiled program (also the included
demo programs!) on the EVM. While loading the program, I sometimes get the
error message "TROUBLE WRITING TARGET DSP MEMORY; ERROR NUMBER -1206; ERROR
ADDRESS 1125C". Sometimes, the error message "CANT REMOVE BREAKPOINT; ERROR
NUMBER -2044; ERROR ADDRESS 1125C" appears. The evm6xrst and evm6xtst
(tried all additional options) indicate that the board is visible and OK. I
tried other computers and other EVMC62 boards but the same errors occurred.
Strange enough, these error messages did not appear last week and my system
worked fine (as is should be)! BUT I had to close code
composer...and...after opening code composer, the same problems are
appearing! I can't work on a platform like that! Is there someone out
there with the same problems or with a (any) suggestion?
>Thanks a lot!
>Bjorn
>
>Windows NT4.0 (administrator)
>Code composer release 4.0/2.01
>Code generation tools 1.93
>EVM C62 >
------------------------------------------------------------------------

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