On Thu, Mar 31, 2011 at 2:31 PM, Chris Radek <[email protected]> wrote:
>
> The short answer is you don't have a main function, which I suspect
> was an earlier error, and you tried surrounding all the code in
> faro_arm.c with main{ ... } which is not valid C.
>
you are correct
>
> The long answer:
>
> You are missing a lot of code here, specifically the Serial_*
> functions whose headers you have.
>
> Your arm talks serial at 9600 8N1
>
> It reports the position, button status, and error status whenever you
> send it the two-byte string "_P". It reports in a nice human-readable
> ascii string that is 74 bytes long.
>
thanks - I will study the code to learn how it does this
>
> Doing serial I/O in C is kind of a pain. I would recommend using
> python (where you can use the hal python module directly) and the
> python-serial module to do the I/O.
>
I will look into this.
>
>
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thanks
Stuart
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