| /** |
| * @file |
| * @brief Internal Header for Bluetooth Volume Control Service (VCS). |
| * |
| * Copyright (c) 2020 Bose Corporation |
| * Copyright (c) 2020-2022 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_VCP_INTERNAL_ |
| #define ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_VCP_INTERNAL_ |
| |
| /* VCS opcodes */ |
| #define BT_VCP_OPCODE_REL_VOL_DOWN 0x00 |
| #define BT_VCP_OPCODE_REL_VOL_UP 0x01 |
| #define BT_VCP_OPCODE_UNMUTE_REL_VOL_DOWN 0x02 |
| #define BT_VCP_OPCODE_UNMUTE_REL_VOL_UP 0x03 |
| #define BT_VCP_OPCODE_SET_ABS_VOL 0x04 |
| #define BT_VCP_OPCODE_UNMUTE 0x05 |
| #define BT_VCP_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; |
| |
| #endif /* ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_VCP_INTERNAL_*/ |