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- To: crisos@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [crisos] Re: CrisOs and Sensirion humidity and temperature sensor
- From: Claudio <claudyus84@xxxxxxxxx>
- Date: Fri, 27 Jun 2008 16:02:47 +0200
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Hi Frederick
2008/6/25 Frederic AYRAULT <fred@xxxxxxxxxxx>:
> Hi all,
>
> I do some other tests.
>
> I can control a led and read the status of a switch using :
> the setbits and readbits commands ( http://www.acmesystems.it/?id=17 )
> or the file descriptor method in C ( http://www.acmesystems.it/?id=22 )
Yes , the set/readbit utils use the /dev interface, the gpiosyscall
was implement from blogic (the prozen sdk maintainer) and are used to
modify directly the porta/b/g register.
Something appear to be changed inside kernel as reported here
http://ubuntuforums.org/archive/index.php/t-321969.html
I can obtain the same error compiling the source with:
define Build/Compile
$(MAKE) -C $(PKG_BUILD_DIR) \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS) -I$(BUILD_DIR)/linux/include"
endef
I'm little busy at the moment but i will fix it soon as possible.
Any help is appreciated
>
> But I am not able to do it using the GPIO syscalls
>
> Regards,
>
> Frederic
>
> PS : With DarwinFox, you need to create the GPIO device files
> mknod /dev/gpioa c 120 0
> mknod /dev/gpiob c 120 1
> mknod /dev/gpiog c 120 3
--
Claudio
User linux #415284
- http://www.crisos.org/
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