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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* 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 __POSITION_FINDER_RESOURCE_INFRARED_MOTION_SENSOR_H__
#define __POSITION_FINDER_RESOURCE_INFRARED_MOTION_SENSOR_H__
/**
* @brief Reads the value of gpio connected infrared motion sensor(HC-SR501).
* @param[in] pin_num The number of the gpio pin connected to the infrared motion sensor
* @param[out] out_value The value of the gpio (zero or non-zero)
* @return 0 on success, otherwise a negative error value
* @see If the gpio pin is not open, creates gpio handle before reading the value of gpio.
*/
extern int resource_read_infrared_motion_sensor(int pin_num, uint32_t *out_value);
/**
* @brief Releases the gpio handle and changes the gpio pin state to the close(0).
* @param[in] pin_num The number of the gpio pin connected to the infrared motion sensor
*/
extern void resource_close_infrared_motion_sensor(void);
#endif /* __POSITION_FINDER_RESOURCE_INFRARED_MOTION_SENSOR_H__ */
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