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+/*
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Contact: Jin Yoon <jinny.yoon@samsung.com>
+ *
+ * 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_MODEL_H__
+#define __POSITION_FINDER_MODEL_H__
+
+enum sensor_type {
+ SENSOR_TYPE_ULTRASONIC,
+ SENSOR_TYPE_INFRARED_MOTION, /* HC_SR501 */
+ SENSOR_TYPE_INFRARED_OBSTACLE_AVOIDANCE, /* HC_SR501 */
+};
+typedef enum sensor_type sensor_type_e;
+
+extern int model_init(sensor_type_e sensor_type);
+extern void model_fini(void);
+
+extern int model_alloc(void **data);
+
+extern int model_read_int_value(int *out_value);
+extern int model_write(void *data);
+
+#endif /* __POSITION_FINDER_MODEL_H__ */