2 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
4 * Contact: Jin Yoon <jinny.yoon@samsung.com>
5 * Geunsun Lee <gs86.lee@samsung.com>
6 * Eunyoung Lee <ey928.lee@samsung.com>
7 * Junkyu Han <junkyu.han@samsung.com>
9 * Licensed under the Flora License, Version 1.1 (the License);
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://floralicense.org/license/
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an AS IS BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
22 #ifndef __POSITION_FINDER_RESOURCE_SOUND_LEVEL_SENSOR_H__
23 #define __POSITION_FINDER_RESOURCE_SOUND_LEVEL_SENSOR_H__
26 * @brief Reads the value from sound level sensor through AD converter(MCP3008).
27 * @remarks We assume that only one AD converter is connected with device.
28 * @param[in] ch_num The number of channel connected to the sound level sensor with AD converter
29 * @param[out] out_value The value of a sound level
30 * @return 0 on success, otherwise a negative error value
33 extern int resource_read_sound_level_sensor(int ch_num, unsigned int *out_value);
35 #endif /* __POSITION_FINDER_RESOURCE_SOUND_LEVEL_SENSOR_H__ */