sensor_manager.h

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#ifndef __SENSOR_MANAGER_H__
#define __SENSOR_MANAGER_H__

#include <nuttx/list.h>
#include "sensor.h"

enum work_priorty {
    HIGH_WORK = 0,
    LOW_WORK,
    PRI_NUM
};

struct sensor_ctx {
    FAR struct snshub_sensor_t *sensor;
    FAR const struct sensor_dev *sdev;
    FAR struct sensor_algo *algo;
    bool enabled;
    int delay;
    struct list_node dependency;
    struct list_node subscriber;
};

struct ctx_list_node {
    FAR struct sensor_ctx *ctx;
    struct list_node node;
};

typedef void (*smgr_work_func) (FAR void *data, int64_t ts);

/*XXX: this typedef should be in client_mmanager header file, and should be
 * implemented in client manager */
typedef int (*cmgr_push_event)(FAR struct sensor_event *data, int num);
typedef int (*cmgr_handle_dispatch)(FAR struct sensor_event *data, size_t num);

int smgr_init(cmgr_push_event push_event, cmgr_handle_dispatch dispatch);
int smgr_get_sensor_list(FAR struct snshub_sensor_t **list);
int smgr_activate(int handle, int enable, snshub_data_mode mode);
int smgr_set_delay(int handle, uint32_t us);
int smgr_read_data(int handle, struct sensor_event *event);
int smgr_push_data(FAR struct sensor_event *data, int num);
int smgr_handle_event(FAR struct sensor_event *event);
bool smgr_is_sensor_onchange(FAR struct snshub_sensor_t *sensor);
int smgr_schedule_work(smgr_work_func func, FAR void *data, int64_t ts, uint32_t priority);

#endif