diff options
| -rw-r--r-- | chip/stm32/gpio-stm32f.c | 3 | ||||
| -rw-r--r-- | chip/stm32/gpio-stm32f0.c | 3 | ||||
| -rw-r--r-- | chip/stm32/gpio-stm32l.c | 3 |
3 files changed, 6 insertions, 3 deletions
diff --git a/chip/stm32/gpio-stm32f.c b/chip/stm32/gpio-stm32f.c index 79fc2235d0..eb733e470b 100644 --- a/chip/stm32/gpio-stm32f.c +++ b/chip/stm32/gpio-stm32f.c @@ -231,7 +231,8 @@ void gpio_interrupt(void) { int bit; const struct gpio_info *g; - uint32_t pending = STM32_EXTI_PR; + /* process only GPIO EXTINTs (EXTINT0..15) not other EXTINTs */ + uint32_t pending = STM32_EXTI_PR & 0xFFFF; STM32_EXTI_PR = pending; diff --git a/chip/stm32/gpio-stm32f0.c b/chip/stm32/gpio-stm32f0.c index 8e756ab183..a6d1b7b87c 100644 --- a/chip/stm32/gpio-stm32f0.c +++ b/chip/stm32/gpio-stm32f0.c @@ -232,7 +232,8 @@ void gpio_interrupt(void) { int bit; const struct gpio_info *g; - uint32_t pending = STM32_EXTI_PR; + /* process only GPIO EXTINTs (EXTINT0..15) not other EXTINTs */ + uint32_t pending = STM32_EXTI_PR & 0xFFFF; STM32_EXTI_PR = pending; diff --git a/chip/stm32/gpio-stm32l.c b/chip/stm32/gpio-stm32l.c index ca627dd701..edc2fba652 100644 --- a/chip/stm32/gpio-stm32l.c +++ b/chip/stm32/gpio-stm32l.c @@ -236,7 +236,8 @@ void gpio_interrupt(void) { int bit; const struct gpio_info *g; - uint32_t pending = STM32_EXTI_PR; + /* process only GPIO EXTINTs (EXTINT0..15) not other EXTINTs */ + uint32_t pending = STM32_EXTI_PR & 0xFFFF; STM32_EXTI_PR = pending; |