4 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 #ifndef _AUTO_ROTATION_ALG_H_
21 #define _AUTO_ROTATION_ALG_H_
23 class auto_rotation_alg
27 virtual ~auto_rotation_alg();
29 virtual bool open(void);
30 virtual bool close(void);
31 virtual bool start(void);
32 virtual bool stop(void);
33 virtual bool get_rotation(float acc[3], unsigned long long timestamp, int prev_rotation, int &rotation) = 0;
35 #endif /* _AUTO_ROTATION_ALG_H_ */