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Merge pull request #16272 from jue89/fix/stm32_gpio_irq

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cpu/stm32/gpio: fix IRQ handler
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Francisco 2021-04-02 13:07:39 +02:00 committed by GitHub
commit e04dd4dcce
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1 changed files with 5 additions and 2 deletions
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7
cpu/stm32/periph/gpio_all.c
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@ -348,11 +348,14 @@ void isr_exti(void)
uint32_t pending_isr = pending_rising_isr | pending_falling_isr;
#else
/* only generate interrupts against lines which have their IMR set */
uint32_t pending_isr = (EXTI_REG_PR & EXTI_REG_IMR & EXTI_MASK);
/* read all pending interrupts wired to isr_exti */
uint32_t pending_isr = (EXTI_REG_PR & EXTI_MASK);
/* clear by writing a 1 */
EXTI_REG_PR = pending_isr;
/* only generate soft interrupts against lines which have their IMR set */
pending_isr &= EXTI_REG_IMR;
#endif
/* iterate over all set bits */