vocs.h

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/*
 * Copyright (c) 2020 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_
#define ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_
 
#include <stdint.h>
#include <stdbool.h>
 
#include <zephyr/bluetooth/conn.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define BT_VOCS_ERR_INVALID_COUNTER                0x80
#define BT_VOCS_ERR_OP_NOT_SUPPORTED               0x81
#define BT_VOCS_ERR_OUT_OF_RANGE                   0x82
 
#define BT_VOCS_MIN_OFFSET                         -255
#define BT_VOCS_MAX_OFFSET                         255
 
struct bt_vocs;
 
struct bt_vocs_register_param {
        uint32_t location;
 
        bool location_writable;
 
        int16_t offset;
 
        char *output_desc;
 
        bool desc_writable;
 
        struct bt_vocs_cb *cb;
};
 
struct bt_vocs_discover_param {
        uint16_t start_handle;
        uint16_t end_handle;
};
 
struct bt_vocs *bt_vocs_free_instance_get(void);
 
void *bt_vocs_svc_decl_get(struct bt_vocs *vocs);
 
int bt_vocs_client_conn_get(const struct bt_vocs *vocs, struct bt_conn **conn);
 
int bt_vocs_register(struct bt_vocs *vocs,
                     const struct bt_vocs_register_param *param);
 
typedef void (*bt_vocs_state_cb)(struct bt_vocs *inst, int err, int16_t offset);
 
typedef void (*bt_vocs_set_offset_cb)(struct bt_vocs *inst, int err);
 
typedef void (*bt_vocs_location_cb)(struct bt_vocs *inst, int err,
                                    uint32_t location);
 
typedef void (*bt_vocs_description_cb)(struct bt_vocs *inst, int err,
                                       char *description);
 
typedef void (*bt_vocs_discover_cb)(struct bt_vocs *inst, int err);
 
struct bt_vocs_cb {
        bt_vocs_state_cb                state;
        bt_vocs_location_cb             location;
        bt_vocs_description_cb          description;
 
#if defined(CONFIG_BT_VOCS_CLIENT)
        /* Client only */
        bt_vocs_discover_cb             discover;
        bt_vocs_set_offset_cb           set_offset;
#endif /* CONFIG_BT_VOCS_CLIENT */
};
 
int bt_vocs_state_get(struct bt_vocs *inst);
 
int bt_vocs_state_set(struct bt_vocs *inst, int16_t offset);
 
int bt_vocs_location_get(struct bt_vocs *inst);
 
int bt_vocs_location_set(struct bt_vocs *inst, uint32_t location);
 
int bt_vocs_description_get(struct bt_vocs *inst);
 
int bt_vocs_description_set(struct bt_vocs *inst, const char *description);
 
void bt_vocs_client_cb_register(struct bt_vocs *inst, struct bt_vocs_cb *cb);
 
struct bt_vocs *bt_vocs_client_free_instance_get(void);
 
int bt_vocs_discover(struct bt_conn *conn, struct bt_vocs *inst,
                     const struct bt_vocs_discover_param *param);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_ */