Zephyr API Documentation  3.6.99
A Scalable Open Source RTOS
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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
30#include <stdint.h>
31#include <stdbool.h>
32
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
40#define BT_VOCS_ERR_INVALID_COUNTER 0x80
41#define BT_VOCS_ERR_OP_NOT_SUPPORTED 0x81
42#define BT_VOCS_ERR_OUT_OF_RANGE 0x82
43
44#define BT_VOCS_MIN_OFFSET -255
45#define BT_VOCS_MAX_OFFSET 255
46
48struct bt_vocs;
49
54
57
60
63
66
68 struct bt_vocs_cb *cb;
69};
70
85};
86
92struct bt_vocs *bt_vocs_free_instance_get(void);
93
103void *bt_vocs_svc_decl_get(struct bt_vocs *vocs);
104
116int bt_vocs_client_conn_get(const struct bt_vocs *vocs, struct bt_conn **conn);
117
126int bt_vocs_register(struct bt_vocs *vocs,
127 const struct bt_vocs_register_param *param);
128
140typedef void (*bt_vocs_state_cb)(struct bt_vocs *inst, int err, int16_t offset);
141
149typedef void (*bt_vocs_set_offset_cb)(struct bt_vocs *inst, int err);
150
162typedef void (*bt_vocs_location_cb)(struct bt_vocs *inst, int err,
163 uint32_t location);
164
176typedef void (*bt_vocs_description_cb)(struct bt_vocs *inst, int err,
177 char *description);
178
191typedef void (*bt_vocs_discover_cb)(struct bt_vocs *inst, int err);
192
197
198#if defined(CONFIG_BT_VOCS_CLIENT)
199 /* Client only */
200 bt_vocs_discover_cb discover;
201 bt_vocs_set_offset_cb set_offset;
202#endif /* CONFIG_BT_VOCS_CLIENT */
203};
204
214int bt_vocs_state_get(struct bt_vocs *inst);
215
224int bt_vocs_state_set(struct bt_vocs *inst, int16_t offset);
225
235int bt_vocs_location_get(struct bt_vocs *inst);
236
245int bt_vocs_location_set(struct bt_vocs *inst, uint32_t location);
246
256int bt_vocs_description_get(struct bt_vocs *inst);
257
266int bt_vocs_description_set(struct bt_vocs *inst, const char *description);
267
274void bt_vocs_client_cb_register(struct bt_vocs *inst, struct bt_vocs_cb *cb);
275
282
294int bt_vocs_discover(struct bt_conn *conn, struct bt_vocs *inst,
295 const struct bt_vocs_discover_param *param);
296
297#ifdef __cplusplus
298}
299#endif
300
305#endif /* ZEPHYR_INCLUDE_BLUETOOTH_SERVICES_VOCS_H_ */
Bluetooth connection handling.
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:149
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:162
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:140
void(* bt_vocs_description_cb)(struct bt_vocs *inst, int err, char *description)
Callback function for the description.
Definition: vocs.h:176
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:191
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:193
bt_vocs_location_cb location
Definition: vocs.h:195
bt_vocs_description_cb description
Definition: vocs.h:196
bt_vocs_state_cb state
Definition: vocs.h:194
Structure for discovering a Volume Offset Control Service instance.
Definition: vocs.h:72
uint16_t end_handle
The end handle of the discovering.
Definition: vocs.h:84
uint16_t start_handle
The start handle of the discovering.
Definition: vocs.h:78
Structure for registering a Volume Offset Control Service instance.
Definition: vocs.h:51
uint32_t location
Audio Location bitmask.
Definition: vocs.h:53
char * output_desc
Initial audio output description.
Definition: vocs.h:62
struct bt_vocs_cb * cb
Pointer to the callback structure.
Definition: vocs.h:68
bool location_writable
Boolean to set whether the location is writable by clients.
Definition: vocs.h:56
bool desc_writable
Boolean to set whether the description is writable by clients.
Definition: vocs.h:65
int16_t offset
Initial volume offset (-255 to 255)
Definition: vocs.h:59