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Merge pull request #14711 from benpicco/cpu/sam0_common/gpio-intermediate_irq

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cpu/sam0_common: GPIO: ignore stale interrupts
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benpicco 2020-08-11 16:32:57 +02:00 committed by GitHub
commit 419ee52ddc
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1 changed files with 5 additions and 0 deletions
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cpu/sam0_common/periph/gpio.c
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@ -322,6 +322,11 @@ void gpio_irq_enable(gpio_t pin)
if (exti == -1) {
return;
}
/* clear stale interrupt */
_EIC->INTFLAG.reg = (1 << exti);
/* enable interrupt */
_EIC->INTENSET.reg = (1 << exti);
}