message: turn on TIM side update IRQs
diff: @@ -239,6 +239,10 @@ void start_adc_pwm() {
  __HAL_TIM_MOE_DISABLE_UNCONDITIONALLY(&htim1);
  __HAL_TIM_MOE_DISABLE_UNCONDITIONALLY(&htim8);
  + // Enable the update interrupt (used to coherently sample GPIO)
  + __HAL_TIM_ENABLE_IT(&htim1, TIM_IT_UPDATE);
  + __HAL_TIM_ENABLE_IT(&htim8, TIM_IT_UPDATE);
  +
  // Start brake resistor PWM in floating output configuration
  htim2.Instance->CCR3 = 0;
  htim2.Instance->CCR4 = TIM_APB1_PERIOD_CLOCKS + 1;
  