On Mon, Jan 24, 2011 at 8:41 PM, Gilles Chanteperdrix < [email protected]> wrote:
> at91_enthus wrote: > > Hi. > > > > I was testing Xenomai on my AT91SAM9G20-based board and tried to adapt > the > > code found here: > > http://www.armadeus.com/wiki/index.php?title=Xenomai:Blinking_LEDs . > > By the way, this code is ridiculous. It creates a real-time task to > write to some non real-time device, which makes the real-time task useless. > > I know. That's why I went to mmap(). (I chose that sample code because, for now, I am only learning to use basic functions) >Wrong test here. Should be "if (aic_base == MAP_FAILED)" Indeed, my program fails miserably when I check the mapping of AIC, not PIOB's. And yet, I just can't figure why in the non-Xenomai code, AIC mmap-ing works fine.
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