On 22-12-2013 13:29, bdebru...@luminize.nl wrote:
>>>> Alternately, you could use the TI ADC that Bas has provisions for
>>>> on
>>>> the
>>>> BeBoPr (see his github wiki for details).  I haven't tried this
>>>> myself,
>>>> but I have the kernel modules available and it is reported to work
>>>> quit
>>>> well.
>> Bas,
>> the board I sent you has the ADS1015 and signal wires already
>> installed.
>> Have a look here:
>> <https://github.com/modmaker/BeBoPr/wiki/Better-Analog-Inputs>
>> Note that I haven't tested this with LinuxCNC myself.
>>
>> I suggest that you try it with the kernel module from Charles. This
>> way
>> you don't
>> have to set up the entire compilation environment yourself. Besides
>> loading the
>> module, you'll probably need to modify (and compile) the device tree
>> overlay.
>> The wiki page contains more instructions.
> Bas, I read the instructions, But before I'm going to compile i'd like
> to try the precompiled one which Charles mentions.

You most likely don't want to compile the module yourself. I understood 
from previous
messages that Charles has a module that is compatible with his Xenomai 
kernel. If he
sends you the binary module you can use that one. Then there's no need 
to compile
a new kernel or modules.

Another thought pops up: Have you verified that the proper overlay is 
loaded?
Read http://forum.bebopr.info/viewtopic.php?f=12&t=10, maybe your problem is
that you've loaded the default overlay instead of Charles' one.

>
> Which module should I load? (precompiled one) and how should I do that.

The kernel module file (with .ko extension) is loaded with insmod.
Google for "Linux loadable kernel modules". This is documented extensively.

> I'm extending my knowledge as we type.
> after enabling this module, what do I need to do more? I'd like to
> understand what I'm doing.

You're extending the Linux kernel without re-compiling the entire 
kernel. The binary
module is run-time loaded and linked to the kernel.

Once this is done you'll have to configure the kernel properly with a 
device tree overlay.
But first check whether you've loaded the proper overlay as I wrote above.

-- Bas

>
> Bas de B.
>
>
>
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