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Interrupt Handler Routine on OMAP3530

Nikhila Srikanth
Prodigy 10 points
Other Parts Discussed in Thread: OMAP3530

Hi,

I'm trying to get some help to write an interrupt service routine for OMAP3530. In my application, I'm trying to get a char from the UART and save it to a buffer using interrupts. My queries are:

1. Is it necessary to write an interrupt handler routine to do this? If yes, how do I do it?

2. Are there and flag settings, register settings etc that I need to do in my code to use the interrupt handler routine?

3. Is there an application note or example code that I can refer to for interrupt handler routine for the OMAP35x?

Thanks,

Nikhila

  • 0
    TI__Expert 4590 points

    Nikhila,

    ISR sematics will depend upon the OS you are using.

    Since you refer to the UART; chances are that your OS (if it is already running on OMAP3530 platform) has already implemented the ISR.

    More details on your problem will help in resolution.

    ~sanjeev

  • 0 in reply to Sanjeev Premi
    Intellectual 380 points

    Hi,

    I'm looking into doing something similar with the UART.  I'm trying to setup an interrupt on the UART and somehow notify/interrupt my user-space application when there's activity on the UART.  How can I do something like this in a OMAP3530 running Linux 2.6.34?  I'd imagine the OS has available drivers and hooks to use for something like this. Can somebody point me to some examples or hints for how to do something like this.