diff options
Diffstat (limited to 'os/hal/platforms/STM32/icu_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/icu_lld.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/icu_lld.c b/os/hal/platforms/STM32/icu_lld.c index 8e546d80d..82fb39769 100644 --- a/os/hal/platforms/STM32/icu_lld.c +++ b/os/hal/platforms/STM32/icu_lld.c @@ -104,7 +104,7 @@ static void icu_lld_serve_interrupt(ICUDriver *icup) { uint16_t sr;
sr = icup->tim->SR & icup->tim->DIER;
- icup->tim->SR = 0;
+ icup->tim->SR = ~sr;
if (icup->config->channel == ICU_CHANNEL_1) {
if ((sr & TIM_SR_CC1IF) != 0)
_icu_isr_invoke_period_cb(icup);
|