[riot-notifications] [RIOT-OS/RIOT] stm32/gpio: clear pending interrupts before enabling (#11466)
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Tue Apr 30 10:26:37 CEST 2019
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### Contribution description
This PR fixes a wrongly used variable in `gpio_init_int` of `stm32_common`, and adds functionality to clear pending interrupt requests before (re)enabling interrupts for the common and f1 specific peripheral gpio implementation.
### Testing procedure
Try some interrupts with `tests/periph_gpio` on you favourite Nucleo boards, should still work.
### Issues/PRs references
Examples: Fixes #1234. See also #5678. Depends on PR #9876.
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-- Commit Summary --
* stm32_common/gpio: clear pending interrupts
* stm32_common/gpio: fix pin in gpio_init_init
* stm32f1/gpio: clear pending interrupts
-- File Changes --
M cpu/stm32_common/periph/gpio.c (7)
M cpu/stm32f1/periph/gpio.c (3)
-- Patch Links --
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