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How can I pass data to interrupt handlers for Stellaris Launchpad?

Costin Ctin
Prodigy 60 points

Hello Everyone,

I want to create a small new protocol in order to communicate with other non TI MCU's (though I rather used TIMCUs, but don' have any around so...) so had a look on the timers example found under /StellarisWare/boards/timer 

I understood the fact that interrupt handlers are in a way independent code snippets that are processed when an interrupt occurs. The thing is that I would like to send some data from inside main() or an other function to such handler functions.

Thank you in advance for your time and examples.

Costin

  • 0
    Guru 26105 points

    Hi,

    Well, let's say the things are a little bit opposite to your point of view: you must think to peripherals as hardware add-on to a cpu, in order to signal hardware events to be taken int consideration by the cpu. This is done with interrupts. From interrupts you can read global data or call any global function - but the reverse - i.e sending data from main to interrupts can be done by triggering an interrupt - not so easy (although can be done) in the presence of real events. 

    I recommend you to look at this site - there are very good examples there - in fact it would be better to run/understand everything which can be downloaded from this site (if you can afford it, buy the manual).

    Petrei.

    PS: are you the same on stelarisiti?