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Bluetooth: Classic: Add support for class of device

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Add `CONFIG_BT_COD` for class of device.

< HCI Command: Write Class of Device (0x03|0x0024) plen 3
        Class: 0x200408
          Major class: Audio/Video (headset, speaker, stereo, video, vcr)
          Minor class: Hands-free Device
          Audio (Speaker, Microphone, Headset)
> HCI Event: Command Complete (0x0e) plen 4
      Write Class of Device (0x03|0x0024) ncmd 1
        Status: Success (0x00)

Signed-off-by: Hang Fan <fanhang8@gmail.com>
This commit is contained in:
Hang Fan 2024-01-23 22:10:04 +08:00 • committed by Fabio Baltieri
commit b3d2891e16
3 changed files with 23 additions and 0 deletions
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1
samples/bluetooth/handsfree/prj.conf
View file

@ -4,3 +4,4 @@ CONFIG_BT_RFCOMM=y
CONFIG_BT_HFP_HF=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="test-Handsfree"
CONFIG_BT_COD=0x200408

8
subsys/bluetooth/host/Kconfig
View file

@ -1089,6 +1089,14 @@ config BT_PAGE_TIMEOUT
This option sets the page timeout value. Value is selected as
(N * 0.625) ms.
config BT_COD
hex "Bluetooth Class of Device(CoD)"
default 0
help
This option sets the class of device.For the list of possible values please
consult the following link:
https://www.bluetooth.com/specifications/assigned-numbers
endif # BT_BREDR
config BT_HCI_VS_EVT_USER

14
subsys/bluetooth/host/br.c
View file

@ -806,6 +806,7 @@ int bt_br_init(void)
struct bt_hci_cp_write_ssp_mode *ssp_cp;
struct bt_hci_cp_write_inquiry_mode *inq_cp;
struct bt_hci_write_local_name *name_cp;
struct bt_hci_cp_write_class_of_device *cod;
int err;
/* Read extended local features */
@ -869,6 +870,19 @@ int bt_br_init(void)
return err;
}
/* Set Class of device */
buf = bt_hci_cmd_create(BT_HCI_OP_WRITE_CLASS_OF_DEVICE, sizeof(*cod));
if (!buf) {
return -ENOBUFS;
}
net_buf_add_le24(buf, CONFIG_BT_COD);
err = bt_hci_cmd_send_sync(BT_HCI_OP_WRITE_CLASS_OF_DEVICE, buf, NULL);
if (err) {
return err;
}
/* Set page timeout*/
buf = bt_hci_cmd_create(BT_HCI_OP_WRITE_PAGE_TIMEOUT, sizeof(uint16_t));
if (!buf) {