riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge pull request #16272 from jue89/fix/stm32_gpio_irq

Browse Source 
cpu/stm32/gpio: fix IRQ handler
This commit is contained in:
Francisco 2021-04-02 13:07:39 +02:00 committed by GitHub
commit e04dd4dcce
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
cpu/stm32/periph/gpio_all.c
View File

@ -348,11 +348,14 @@ void isr_exti(void)
uint32_t pending_isr = pending_rising_isr | pending_falling_isr; uint32_t pending_isr = pending_rising_isr | pending_falling_isr;
#else #else
/* only generate interrupts against lines which have their IMR set */ /* read all pending interrupts wired to isr_exti */
uint32_t pending_isr = (EXTI_REG_PR & EXTI_REG_IMR & EXTI_MASK); uint32_t pending_isr = (EXTI_REG_PR & EXTI_MASK);
/* clear by writing a 1 */ /* clear by writing a 1 */
EXTI_REG_PR = pending_isr; EXTI_REG_PR = pending_isr;
/* only generate soft interrupts against lines which have their IMR set */
pending_isr &= EXTI_REG_IMR;
#endif #endif
/* iterate over all set bits */ /* iterate over all set bits */