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Re: Start using Ecos on AT91SAM7X-EK
Scrive Andrew Lunn <andrew@lunn.ch>:
> On Tue, Feb 06, 2007 at 09:48:36AM +0100, Andrea Visinoni wrote:
> > Hi,
> > i've successfully compiled ecos for my board using the template in
> configtool,
> > taken from cvs version.
> > I've written a stupid main, and liked with target.ld.
> > My question is, now do i have to init on my own the device?(pll, flash
> etc..)
> > or do i have to call some sort of function inside the library?
>
> Take a look at the test programs. They are good examples of how you
> write eCos programs.
Unlucky i cant test these programs, the only way i have to test programs is load
them in flash with samba and cross my fingers.
I take a look, but i still can't figure who init my board (i guess
hal_platform_setup.h)
> > i've already tried to call my lowlevel_init function(already tested)
> > but nothing happen(i try to light a led), any hints?
>
> Start with one of the test programs. Maybe tmbasic. Since this is a
> known good program it allows you to concentrate on everything
> else. Once this runs you then know your development environment works,
> your JTAG progammer works, etc.
>
> Then you can start debugging your own programs. Humm, leds. Are you
> using the GPIO macros in var_io.h? Have you configured the pin to be
> an output? I think one of the AT91SAM7 boards has the logic
> inverted. ie 0 causes the LED to be on, 0 causes it to be off.
yes, mith macros, but nothin happen.
Thanks for your support
Andrea
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