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pankaj kyada
pankaj kyada
Visitor II
August 21, 2017
Question

how to disable EXTI9_IRQn , and enable EXT5_IRQn external interrupt in stm32 simaltanous

  • August 21, 2017
  • 1 reply
  • 668 views
Posted on August 21, 2017 at 11:22

how to disable EXTI9_IRQn , and enable EXT5_IRQn external interrupt in stm32 simaltanous

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    1 reply

    waclawek.jan
    waclawek.jan
    Super User
    August 21, 2017
    Posted on August 21, 2017 at 16:13

    Which STM32?

    E.g. in 'F2xx/'F4xx, EXTI5 and EXTI9 share a single interrupt vector, you can't distinguish them by interrupt number (i.e. at the NVIC level), and you have to enable/disable them at the EXTI level in EXTI_IMR.

    JW

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