message: fix sensorless estimator error
diff: @@ -36,6 +36,11 @@ bool SensorlessEstimator::update() {
  // TODO: we read values here which are modified by a higher priority interrupt.
  // This is not thread-safe.
  auto current_meas = axis_->motor_.current_meas_;
  + if (!axis_->motor_.is_armed_) {
  + // While the motor is disarmed the current is not measurable so we
  + // assume that it's zero.
  + current_meas = {0.0f, 0.0f};
  + }
  if (!current_meas.has_value()) {
  error_ |= ERROR_UNKNOWN_CURRENT_MEASUREMENT;
  reset(); // Reset state for when the next valid current measurement comes in.
  