/*
 * Copyright 2019 The TensorFlow Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef TENSORFLOW_LITE_MICRO_EXAMPLES_MAGIC_WAND_CONSTANTS_H_
#define TENSORFLOW_LITE_MICRO_EXAMPLES_MAGIC_WAND_CONSTANTS_H_

/* The expected accelerometer data sample frequency */
const float kTargetHz = 25;

/* What gestures are supported. */
constexpr int kGestureCount = 4;
constexpr int kWingGesture = 0;
constexpr int kRingGesture = 1;
constexpr int kSlopeGesture = 2;
constexpr int kNoGesture = 3;

/* These control the sensitivity of the detection algorithm. If you're seeing
 * too many false positives or not enough true positives, you can try tweaking
 * these thresholds. Often, increasing the size of the training set will give
 * more robust results though, so consider retraining if you are seeing poor
 * predictions.
 */
constexpr float kDetectionThreshold = 0.8f;
constexpr int kPredictionHistoryLength = 5;
constexpr int kPredictionSuppressionDuration = 25;

#endif /* TENSORFLOW_LITE_MICRO_EXAMPLES_MAGIC_WAND_CONSTANTS_H_ */