Re: [ECOS] priority of main thread

[Gary Thomas <gary@mlbassoc.com>]

Robert Brusa wrote:
> Hi,
> in my system, I have a cyg_user_start() as well as a main() function.
> The first includes calls to initialize various modules. main() contains
> an eternal loop and is assumed to work as a normal thread. The problem
> is that main produces a hanger when I call cyg_spi_transfer to read my
> onboard-RTC. When using this RTC-module in a test program with a single
> thread it works. It also works (in main) when I change the transfer-mode
> to polling. This let me think that there is some kind of priority
> problem. How can I access and manipulate the priority of main? I have no
> handle for this thread. Thanks for advice.

How is main() getting started?  Since you've overridden the
default cyg_user_start() [which normally starts the main thread],
it's not clear to me how main() even runs.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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