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Type: Posts; User: PaulStoffregen

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  1. First clear it at the source in the GPIO...

    First clear it at the source in the GPIO register. Then you probably also want NVIC_CLEAR_PENDING(IRQ_GPIO6789).
  2. The sei() function is meant for AVR, where a...

    The sei() function is meant for AVR, where a single bit manages whether interrupts can happen.

    ARM is much more sophisticated. Priority levels are the main mechanism which manages whether an...
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