| /** @file |
| * @brief Bluetooth Volume Control Profile (VCP) Volume Renderer role. |
| * |
| * Copyright (c) 2020 Bose Corporation |
| * Copyright (c) 2020-2022 Nordic Semiconductor ASA |
| * Copyright (c) 2022 Codecoup |
| * Copyright 2023 NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/sys/printk.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #include <zephyr/bluetooth/conn.h> |
| #include <zephyr/bluetooth/audio/vcp.h> |
| |
| static struct bt_vcp_included vcp_included; |
| |
| static void vcs_state_cb(int err, uint8_t volume, uint8_t mute) |
| { |
| if (err) { |
| printk("VCS state get failed (%d)\n", err); |
| } else { |
| printk("VCS volume %u, mute %u\n", volume, mute); |
| } |
| } |
| |
| static void vcs_flags_cb(int err, uint8_t flags) |
| { |
| if (err) { |
| printk("VCS flags get failed (%d)\n", err); |
| } else { |
| printk("VCS flags 0x%02X\n", flags); |
| } |
| } |
| |
| static struct bt_vcp_vol_rend_cb vcp_cbs = { |
| .state = vcs_state_cb, |
| .flags = vcs_flags_cb, |
| }; |
| |
| int vcp_vol_renderer_init(void) |
| { |
| int err; |
| struct bt_vcp_vol_rend_register_param vcp_register_param; |
| |
| memset(&vcp_register_param, 0, sizeof(vcp_register_param)); |
| |
| vcp_register_param.step = 1; |
| vcp_register_param.mute = BT_VCP_STATE_UNMUTED; |
| vcp_register_param.volume = 100; |
| vcp_register_param.cb = &vcp_cbs; |
| |
| err = bt_vcp_vol_rend_register(&vcp_register_param); |
| if (err) { |
| return err; |
| } |
| |
| err = bt_vcp_vol_rend_included_get(&vcp_included); |
| if (err != 0) { |
| return err; |
| } |
| |
| return 0; |
| } |