From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> This adds decoding support for PAC Sink/Source Location 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: 0x001a Type: Sink Audio Locations (0x2bca) < 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: 03000000 Handle: 0x001a Type: Sink Audio Locations (0x2bca) Location: 0x00000003 Front Left (0x00000001) Front Right (0x00000002) --- monitor/att.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/monitor/att.c b/monitor/att.c index 34babac6b..8b47cbd9f 100644 --- a/monitor/att.c +++ b/monitor/att.c @@ -1050,6 +1050,74 @@ static void ase_cp_notify(const struct l2cap_frame *frame) print_ase_cp_rsp(frame); } +static const struct bitfield_data pac_loc_table[] = { + { 0, "Front Left (0x00000001)" }, + { 1, "Front Right (0x00000002)" }, + { 2, "Front Center (0x00000004)" }, + { 3, "Low Frequency Effects 1 (0x00000008)" }, + { 4, "Back Left (0x00000010)" }, + { 5, "Back Right (0x00000020)" }, + { 6, "Front Left of Center (0x00000040)" }, + { 7, "Front Right of Center (0x00000080)" }, + { 8, "Back Center (0x00000100)" }, + { 9, "Low Frequency Effects 2 (0x00000200)" }, + { 10, "Side Left (0x00000400)" }, + { 11, "Side Right (0x00000800)" }, + { 12, "Top Front Left (0x00001000)" }, + { 13, "Top Front Right (0x00002000)" }, + { 14, "Top Front Center (0x00004000)" }, + { 15, "Top Center (0x00008000)" }, + { 16, "Top Back Left (0x00010000)" }, + { 17, "Top Back Right (0x00020000)" }, + { 18, "Top Side Left (0x00040000)" }, + { 19, "Top Side Right (0x00080000)" }, + { 20, "Top Back Center (0x00100000)" }, + { 21, "Bottom Front Center (0x00200000)" }, + { 22, "Bottom Front Left (0x00400000)" }, + { 23, "Bottom Front Right (0x00800000)" }, + { 24, "Front Left Wide (0x01000000)" }, + { 25, "Front Right Wide (0x02000000)" }, + { 26, "Left Surround (0x04000000)" }, + { 27, "Right Surround (0x08000000)" }, + { 28, "RFU (0x10000000)" }, + { 29, "RFU (0x20000000)" }, + { 30, "RFU (0x40000000)" }, + { 31, "RFU (0x80000000)" }, + { } +}; + +static void print_loc_pac(const struct l2cap_frame *frame) +{ + uint32_t value; + uint8_t mask; + + if (!l2cap_frame_get_le32((void *)frame, &value)) { + print_text(COLOR_ERROR, " value: invalid size"); + goto done; + } + + print_field(" Location: 0x%8.8x", value); + + mask = print_bitfield(4, value, pac_loc_table); + if (mask) + print_text(COLOR_WHITE_BG, " Unknown fields (0x%2.2x)", + mask); + +done: + if (frame->size) + print_hex_field(" Data", frame->data, frame->size); +} + +static void pac_loc_read(const struct l2cap_frame *frame) +{ + print_loc_pac(frame); +} + +static void pac_loc_notify(const struct l2cap_frame *frame) +{ + print_loc_pac(frame); +} + #define GATT_HANDLER(_uuid, _read, _write, _notify) \ { \ .uuid = { \ @@ -1072,7 +1140,9 @@ struct gatt_handler { GATT_HANDLER(0x2bc5, ase_read, NULL, ase_notify), GATT_HANDLER(0x2bc6, NULL, ase_cp_write, ase_cp_notify), GATT_HANDLER(0x2bc9, pac_read, NULL, pac_notify), + 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), }; static struct gatt_handler *get_handler(struct gatt_db_attribute *attr) -- 2.35.3