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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef LIB_EXTENSION_RUNTIME_SENSOR_H_
#define LIB_EXTENSION_RUNTIME_SENSOR_H_
#include "bh_platform.h"
#include "bi-inc/attr_container.h"
#include "wasm_export.h"
#include "sensor_native_api.h"
struct _sys_sensor;
typedef struct _sys_sensor *sensor_obj_t;
typedef struct _sensor_client {
struct _sensor_client *next;
unsigned int client_id; // the app id
uint32 interval;
int bit_cfg;
uint32 delay;
void (*client_callback)(void *client, uint32, attr_container_t *);
} sensor_client_t;
typedef struct _sys_sensor {
struct _sys_sensor *next;
char *name;
int sensor_instance;
char *description;
uint32 sensor_id;
sensor_client_t *clients;
/* app, sensor mgr and app mgr may access the clients at the same time,
so need a lock to protect the clients */
korp_mutex lock;
uint32 last_read;
uint32 read_interval;
uint32 default_interval;
/* TODO: may support other type return value, such as 'cbor' */
attr_container_t *(*read)(void *);
bool (*config)(void *, void *);
} sys_sensor_t;
sensor_obj_t
add_sys_sensor(char *name, char *description, int instance,
uint32 default_interval, void *read_func, void *config_func);
sensor_obj_t
find_sys_sensor(const char *name, int instance);
sensor_obj_t
find_sys_sensor_id(uint32 sensor_id);
void
refresh_read_interval(sensor_obj_t sensor);
void
sensor_cleanup_callback(uint32 module_id);
uint32
check_sensor_timers();
void
reschedule_sensor_read();
bool
init_sensor_framework();
void
start_sensor_framework();
void
exit_sensor_framework();
#endif /* LIB_EXTENSION_RUNTIME_SENSOR_H_ */
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