82a32f5ca5
This commit implements the volume control service (VCS) and client, The implementation supports and uses the Audio Input Control Service (AICS) and Volume Offset Control Service (VOCS) secondary services. Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/**
|
|
* @file
|
|
* @brief Internal Header for Bluetooth Volumen Control Service (VCS).
|
|
*
|
|
* Copyright (c) 2020 Bose Corporation
|
|
* Copyright (c) 2020-2021 Nordic Semiconductor ASA
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_VCS_INTERNAL_
|
|
#define ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_VCS_INTERNAL_
|
|
|
|
/* VCS opcodes */
|
|
#define BT_VCS_OPCODE_REL_VOL_DOWN 0x00
|
|
#define BT_VCS_OPCODE_REL_VOL_UP 0x01
|
|
#define BT_VCS_OPCODE_UNMUTE_REL_VOL_DOWN 0x02
|
|
#define BT_VCS_OPCODE_UNMUTE_REL_VOL_UP 0x03
|
|
#define BT_VCS_OPCODE_SET_ABS_VOL 0x04
|
|
#define BT_VCS_OPCODE_UNMUTE 0x05
|
|
#define BT_VCS_OPCODE_MUTE 0x06
|
|
|
|
struct vcs_state {
|
|
uint8_t volume;
|
|
uint8_t mute;
|
|
uint8_t change_counter;
|
|
} __packed;
|
|
|
|
struct vcs_control {
|
|
uint8_t opcode;
|
|
uint8_t counter;
|
|
} __packed;
|
|
|
|
struct vcs_control_vol {
|
|
struct vcs_control cp;
|
|
uint8_t volume;
|
|
} __packed;
|
|
|
|
int bt_vcs_client_get(struct bt_conn *conn, struct bt_vcs *client);
|
|
int bt_vcs_client_read_vol_state(struct bt_conn *conn);
|
|
int bt_vcs_client_read_flags(struct bt_conn *conn);
|
|
int bt_vcs_client_vol_down(struct bt_conn *conn);
|
|
int bt_vcs_client_vol_up(struct bt_conn *conn);
|
|
int bt_vcs_client_unmute_vol_down(struct bt_conn *conn);
|
|
int bt_vcs_client_unmute_vol_up(struct bt_conn *conn);
|
|
int bt_vcs_client_set_volume(struct bt_conn *conn, uint8_t volume);
|
|
int bt_vcs_client_unmute(struct bt_conn *conn);
|
|
int bt_vcs_client_mute(struct bt_conn *conn);
|
|
|
|
bool bt_vcs_client_valid_vocs_inst(struct bt_conn *conn, struct bt_vocs *vocs);
|
|
bool bt_vcs_client_valid_aics_inst(struct bt_conn *conn, struct bt_aics *aics);
|
|
#endif /* ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_VCS_INTERNAL_*/
|