Zephyr API Documentation  3.5.0
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vocs.h
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1/*
2 * Copyright (c) 2020 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_
8#define ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_
9
29#include <stdint.h>
30#include <stdbool.h>
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
37#define BT_VOCS_ERR_INVALID_COUNTER 0x80
38#define BT_VOCS_ERR_OP_NOT_SUPPORTED 0x81
39#define BT_VOCS_ERR_OUT_OF_RANGE 0x82
40
41#define BT_VOCS_MIN_OFFSET -255
42#define BT_VOCS_MAX_OFFSET 255
43
45struct bt_vocs;
46
51
54
57
60
63
65 struct bt_vocs_cb *cb;
66};
67
82};
83
89struct bt_vocs *bt_vocs_free_instance_get(void);
90
100void *bt_vocs_svc_decl_get(struct bt_vocs *vocs);
101
113int bt_vocs_client_conn_get(const struct bt_vocs *vocs, struct bt_conn **conn);
114
123int bt_vocs_register(struct bt_vocs *vocs,
124 const struct bt_vocs_register_param *param);
125
137typedef void (*bt_vocs_state_cb)(struct bt_vocs *inst, int err, int16_t offset);
138
146typedef void (*bt_vocs_set_offset_cb)(struct bt_vocs *inst, int err);
147
159typedef void (*bt_vocs_location_cb)(struct bt_vocs *inst, int err,
160 uint32_t location);
161
173typedef void (*bt_vocs_description_cb)(struct bt_vocs *inst, int err,
174 char *description);
175
188typedef void (*bt_vocs_discover_cb)(struct bt_vocs *inst, int err);
189
194
195#if defined(CONFIG_BT_VOCS_CLIENT)
196 /* Client only */
197 bt_vocs_discover_cb discover;
198 bt_vocs_set_offset_cb set_offset;
199#endif /* CONFIG_BT_VOCS_CLIENT */
200};
201
211int bt_vocs_state_get(struct bt_vocs *inst);
212
221int bt_vocs_state_set(struct bt_vocs *inst, int16_t offset);
222
232int bt_vocs_location_get(struct bt_vocs *inst);
233
242int bt_vocs_location_set(struct bt_vocs *inst, uint32_t location);
243
253int bt_vocs_description_get(struct bt_vocs *inst);
254
263int bt_vocs_description_set(struct bt_vocs *inst, const char *description);
264
271void bt_vocs_client_cb_register(struct bt_vocs *inst, struct bt_vocs_cb *cb);
272
279
291int bt_vocs_discover(struct bt_conn *conn, struct bt_vocs *inst,
292 const struct bt_vocs_discover_param *param);
293
294#ifdef __cplusplus
295}
296#endif
297
302#endif /* ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_ */
int bt_vocs_location_set(struct bt_vocs *inst, uint32_t location)
Set the Volume Offset Control Service location.
void(* bt_vocs_set_offset_cb)(struct bt_vocs *inst, int err)
Callback function for setting offset.
Definition: vocs.h:146
int bt_vocs_state_set(struct bt_vocs *inst, int16_t offset)
Set the Volume Offset Control Service offset state.
int bt_vocs_discover(struct bt_conn *conn, struct bt_vocs *inst, const struct bt_vocs_discover_param *param)
Discover a Volume Offset Control Service.
struct bt_vocs * bt_vocs_client_free_instance_get(void)
Returns a pointer to a Volume Offset Control Service client instance.
int bt_vocs_state_get(struct bt_vocs *inst)
Read the Volume Offset Control Service offset state.
void(* bt_vocs_location_cb)(struct bt_vocs *inst, int err, uint32_t location)
Callback function for the location.
Definition: vocs.h:159
int bt_vocs_location_get(struct bt_vocs *inst)
Read the Volume Offset Control Service location.
void * bt_vocs_svc_decl_get(struct bt_vocs *vocs)
Get the service declaration attribute.
void(* bt_vocs_state_cb)(struct bt_vocs *inst, int err, int16_t offset)
Callback function for the offset state.
Definition: vocs.h:137
void(* bt_vocs_description_cb)(struct bt_vocs *inst, int err, char *description)
Callback function for the description.
Definition: vocs.h:173
int bt_vocs_description_get(struct bt_vocs *inst)
Read the Volume Offset Control Service output description.
void bt_vocs_client_cb_register(struct bt_vocs *inst, struct bt_vocs_cb *cb)
Registers the callbacks for the Volume Offset Control Service client.
int bt_vocs_register(struct bt_vocs *vocs, const struct bt_vocs_register_param *param)
Register the Volume Offset Control Service instance.
int bt_vocs_description_set(struct bt_vocs *inst, const char *description)
Set the Volume Offset Control Service description.
void(* bt_vocs_discover_cb)(struct bt_vocs *inst, int err)
Callback function for bt_vocs_discover.
Definition: vocs.h:188
struct bt_vocs * bt_vocs_free_instance_get(void)
Get a free service instance of Volume Offset Control Service from the pool.
int bt_vocs_client_conn_get(const struct bt_vocs *vocs, struct bt_conn **conn)
Get the connection pointer of a client instance.
__UINT32_TYPE__ uint32_t
Definition: stdint.h:90
__UINT16_TYPE__ uint16_t
Definition: stdint.h:89
__INT16_TYPE__ int16_t
Definition: stdint.h:73
Definition: vocs.h:190
bt_vocs_location_cb location
Definition: vocs.h:192
bt_vocs_description_cb description
Definition: vocs.h:193
bt_vocs_state_cb state
Definition: vocs.h:191
Structure for discovering a Volume Offset Control Service instance.
Definition: vocs.h:69
uint16_t end_handle
The end handle of the discovering.
Definition: vocs.h:81
uint16_t start_handle
The start handle of the discovering.
Definition: vocs.h:75
Structure for registering a Volume Offset Control Service instance.
Definition: vocs.h:48
uint32_t location
Audio Location bitmask.
Definition: vocs.h:50
char * output_desc
Initial audio output description.
Definition: vocs.h:59
struct bt_vocs_cb * cb
Pointer to the callback structure.
Definition: vocs.h:65
bool location_writable
Boolean to set whether the location is writable by clients.
Definition: vocs.h:53
bool desc_writable
Boolean to set whether the description is writable by clients.
Definition: vocs.h:62
int16_t offset
Initial volume offset (-255 to 255)
Definition: vocs.h:56