[ECOS] Re: ecos-discuss Digest 3 May 2006 14:26:26 -0000 Issue 2208

[llandre]

Probably you have to disable the GDB mangler (see "Mangler used on diag 
output" in HAL options).



HTH,
llandre

DAVE Electronics System House - R&D Department
web:   http://www.dave-tech.it
email: r&d2@dave-tech.it


> Subject:
> printf or diag_printf prints $O48656c6c6f2c20776f726c64210a#75
> From:
> "Ram Sudhir Tadavarthi" <ram.tadavarthi@netco.de>
> Date:
> Wed, 3 May 2006 16:26:04 +0200
> To:
> <ecos-discuss@ecos.sourceware.org>
> 
> To:
> <ecos-discuss@ecos.sourceware.org>
> 
> 
> Hello all,
> 
> AIM:
> To print "hello world\n" on console with eCos kernel in the project. 
> 
> WHAT I DID:
> I am a beginner to embedded world. I tried to bring up eCos on Motorola
> pq2fads(MPC 8260 powerpc) evaluation board. I used vads HAL as starting
> point and mostly finished the porting and was able to bring up the redboot
> ROM monitor. Serial and network interfaces are functional from redboot.
> 
> PROBLEM DESCRIPTION:
> Redboot console messages are displayed properly. I have created an eCos
> image with hello world example(hello.c) and downloaded it over TFTP through
> redboot "load" command and had given the "go" command.
> 
> I have seen the following message as output instead of "Hello, world!\n"
>  
> $O48656c6c6f2c20776f726c64210a#75
> 
> After searching in google, I understood this message is some gdb response to
> hello world message. But I did not use the debugger to download the image
> nor to run it. I did not understand why gdb came into picture when we try to
> execute the image from redboot. 
> 
> This is the first time I have ever created an eCos Image. I hope it is not a
> configuration error in my project.
> 
> I am surprised why redboot which uses the same HAL works but the eCos Image
> doesn't.
> 
> I did not get how to proceed further from this point. I will be obliged if
> some one can give me pointers/suggestions/references to solve the problem.
> 
> For reference, I have enclosed the hello.c file. Please let me know If I
> miss to provide any important message.
> 
> Thank you very much,
> Ram
> PS: tried to enclose ".ecc" file 
> ezmlm-reject: fatal: Sorry, I don't accept messages larger than 128000 bytes
> (#5.2.3) 
>   
> 
> hello.c
> #include <stdio.h>
> 
> int main(int argc, char *argv[])
> {
>     printf("Hello, world!\n");
>     exit(0);
> }
> 


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