diff options
Diffstat (limited to 'os/hal/platforms/STM32/pwm_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/pwm_lld.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/pwm_lld.c b/os/hal/platforms/STM32/pwm_lld.c index dcd0d166f..a90c0b44a 100644 --- a/os/hal/platforms/STM32/pwm_lld.c +++ b/os/hal/platforms/STM32/pwm_lld.c @@ -104,7 +104,8 @@ PWMDriver PWMD8; static void pwm_lld_serve_interrupt(PWMDriver *pwmp) {
uint16_t sr;
- sr = pwmp->tim->SR & pwmp->tim->DIER;
+ sr = pwmp->tim->SR;
+ sr &= pwmp->tim->DIER;
pwmp->tim->SR = ~sr;
if ((sr & TIM_SR_CC1IF) != 0)
pwmp->config->channels[0].callback(pwmp);
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