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| author | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2022-06-16 12:31:02 -0700 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2022-06-16 17:49:02 -0700 |
| commit | 2bdb79cf8173daa0c44d692fcbd7d7408b4fd994 (patch) | |
| tree | c9195e331775568e54dae777e20cbf6625c0ceb0 /monitor | |
| parent | 5da3c0387baf4a6bc984263350ea53fa511f87c7 (diff) | |
| download | bluez-2bdb79cf8173daa0c44d692fcbd7d7408b4fd994.tar.gz | |
monitor/att: Add decoding support for PAC Audio Context
This adds decoding support for PAC Audio Context attributes:
> ACL Data RX: Handle 42 flags 0x02 dlen 9
Channel: 65 len 5 sdu 3 [PSM 39 mode Enhanced Credit (0x81)] {chan 1}
ATT: Read Request (0x0a) len 2
Handle: 0x0026 Type: Supported Audio Contexts (0x2bce)
< ACL Data TX: Handle 42 flags 0x00 dlen 11
Channel: 64 len 7 sdu 5 [PSM 39 mode Enhanced Credit (0x81)] {chan 1}
ATT: Read Response (0x0b) len 4
Value: ff0f0e00
Handle: 0x0026 Type: Supported Audio Contexts (0x2bce)
Sink Context: 0x0fff
Unspecified (0x0001)
Conversational (0x0002)
Media (0x0004)
Game (0x0008)
Instructional (0x0010)
Voice Assistants (0x0020)
Live (0x0040)
Sound Effects (0x0080)
Notifications (0x0100)
Ringtone (0x0200)
Alerts (0x0400)
Emergency alarm (0x0800)
Source Context: 0x000e
Conversational (0x0002)
Media (0x0004)
Game (0x0008)
Diffstat (limited to 'monitor')
| -rw-r--r-- | monitor/att.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/monitor/att.c b/monitor/att.c index 8b47cbd9f..21fa5dde3 100644 --- a/monitor/att.c +++ b/monitor/att.c @@ -1118,6 +1118,69 @@ static void pac_loc_notify(const struct l2cap_frame *frame) print_loc_pac(frame); } +static const struct bitfield_data pac_context_table[] = { + { 0, "Unspecified (0x0001)" }, + { 1, "Conversational (0x0002)" }, + { 2, "Media (0x0004)" }, + { 3, "Game (0x0008)" }, + { 4, "Instructional (0x0010)" }, + { 5, "Voice Assistants (0x0020)" }, + { 6, "Live (0x0040)" }, + { 7, "Sound Effects (0x0080)" }, + { 8, "Notifications (0x0100)" }, + { 9, "Ringtone (0x0200)" }, + { 10, "Alerts (0x0400)" }, + { 11, "Emergency alarm (0x0800)" }, + { 12, "RFU (0x1000)" }, + { 13, "RFU (0x2000)" }, + { 14, "RFU (0x4000)" }, + { 15, "RFU (0x8000)" }, +}; + +static void print_pac_context(const struct l2cap_frame *frame) +{ + uint16_t snk, src; + uint16_t mask; + + if (!l2cap_frame_get_le16((void *)frame, &snk)) { + print_text(COLOR_ERROR, " value: invalid size"); + goto done; + } + + print_field(" Sink Context: 0x%4.4x", snk); + + mask = print_bitfield(4, snk, pac_context_table); + if (mask) + print_text(COLOR_WHITE_BG, " Unknown fields (0x%4.4x)", + mask); + + if (!l2cap_frame_get_le16((void *)frame, &src)) { + print_text(COLOR_ERROR, " sink: invalid size"); + goto done; + } + + print_field(" Source Context: 0x%4.4x", src); + + mask = print_bitfield(4, src, pac_context_table); + if (mask) + print_text(COLOR_WHITE_BG, " Unknown fields (0x%4.4x)", + mask); + +done: + if (frame->size) + print_hex_field(" Data", frame->data, frame->size); +} + +static void pac_context_read(const struct l2cap_frame *frame) +{ + print_pac_context(frame); +} + +static void pac_context_notify(const struct l2cap_frame *frame) +{ + print_pac_context(frame); +} + #define GATT_HANDLER(_uuid, _read, _write, _notify) \ { \ .uuid = { \ @@ -1143,6 +1206,8 @@ struct gatt_handler { GATT_HANDLER(0x2bca, pac_loc_read, NULL, pac_loc_notify), GATT_HANDLER(0x2bcb, pac_read, NULL, pac_notify), GATT_HANDLER(0x2bcc, pac_loc_read, NULL, pac_loc_notify), + GATT_HANDLER(0x2bcd, pac_context_read, NULL, pac_context_notify), + GATT_HANDLER(0x2bce, pac_context_read, NULL, pac_context_notify), }; static struct gatt_handler *get_handler(struct gatt_db_attribute *attr) |