2 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef __RESOURCE_INFRARED_MOTION_H__
18 #define __RESOURCE_INFRARED_MOTION_H__
20 typedef void (*resource_infrared_motion_interrupted_cb) (uint32_t motion_value, void *user_data);
23 * @brief Reads value of gpio connected infrared motion sensor (HC-SR501)
24 * @param[in] pin_num The gpio pin number for the infrared motion sensor
25 * @param[out] out_value The value of the gpio (zero or non-zero)
26 * @return 0 on success, otherwise a negative error value
27 * @see If the gpio pin is not open, create gpio handle before reading the value
29 extern int resource_read_infrared_motion(int pin_num, uint32_t *out_value);
32 * @brief Releases the gpio handle
34 extern void resource_close_infrared_motion(void);
37 * @brief Sets an interrupted callback to be invoked when interrupt is triggered on motion sensor
38 * @param[in] pin_num The gpio pin number for the infrared motion sensor
39 * @param[in] interrupted_cb interrupted user callback to be invoked
40 * @return 0 on success, otherwise a negative error value
41 * @see If the gpio pin is not open, create gpio handle before reading the value
43 extern int resource_set_interrupted_cb_infrared_motion(int pin_num, resource_infrared_motion_interrupted_cb interrupted_cb, void *user_data);
46 * @brief Unsets the interrupted callback for motion sensor
47 * @param[in] pin_num The gpio pin number for the infrared motion sensor
49 extern int resource_unset_interrupted_cb_infrared_motion(int pin_num);
51 #endif /* __RESOURCE_INFRARED_MOTION_H__ */