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RE: RE: networking support for my eCos application
Admitedly, this was more difficult for me to track down than your email suggested. However, I did find the issue and thought I'd post it here in case anyone else comes across similar symptoms:
It seems that between the released version of eCos and the latest from cvs the var_io.h in packages\hal\arm\at91\var\current\include added a bunch of newly defined values. Some of these values (e.g. AT91_TC) changed values that I had defined elsewhere. This resulted in the location of the hardware timer for my board being wrongly defined such that calls to HAL_DELAY_US() entered an infinite loop when called from dm9000_reset() causing the program to hang without any visible errors.
> Date: Mon, 12 Nov 2007 13:07:46 +0100
> From: andrew@lunn.ch
> To: csb_80@hotmail.com
> CC: ecos-discuss@ecos.sourceware.org
> Subject: Re: [ECOS] RE: networking support for my eCos application
>
> On Mon, Nov 12, 2007 at 06:46:48AM -0500, C B wrote:
>>
>> Brilliant! Changing the CYG_HAL_STARTUP to RAM resulted in my new version having the same start address, etc. as my older version. However, when I attempt to run my simple HelloWorld program I get the following output:
>>
>> -------------------------- begin output ------------------------
>> RedBoot> go 0x20020040[cyg_net_init] Init: mbinit(0x00000000)[cyg_net_init] Init: cyg_net_init_devs(0x00000000)Init device 'dm9000_eth0'
>> --------------------------- end output -------------------------
>
> Please try to answer your own questions. Your ROM/RAM start up problem
> is not so easy unless you know eCos quite well. However any competent
> software engineer should be able to do a grep -r and track this down.
>
> Anyway, here is a hint:
>
> CYGPKG_NET_FREEBSD_LOGGING
>
> Andrew
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