Re: [PATCH 6/6] monitor: Add AVRCP SetBrowsedPlayer support

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Hi Vikram,

On Wed, Jan 7, 2015 at 6:23 AM, Vikrampal Yadav <vikram.pal@xxxxxxxxxxx> wrote:
> Support for decoding AVRCP SetBrowsedPlayer added in Bluetooth monitor.
>
> Channel: 65 len 12 ctrl 0x0102 [PSM 27 mode 3] {chan 1}
>       I-frame: Unsegmented TxSeq 1 ReqSeq 1
>       AVCTP Browsing: Command: type 0x00 label 0 PID 0x110e
>         AVRCP: SetBrowsedPlayer: len 0x0002
>           PlayerID: 0x0001 (1)

Can you please add the response frame as well.

> ---
>  monitor/avctp.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 85 insertions(+), 1 deletion(-)
>
> diff --git a/monitor/avctp.c b/monitor/avctp.c
> index af91ecc..0a1e92d 100644
> --- a/monitor/avctp.c
> +++ b/monitor/avctp.c
> @@ -1637,11 +1637,95 @@ static bool avrcp_control_packet(struct avctp_frame *avctp_frame)
>         }
>  }
>
> +static bool avrcp_set_browsed_player(struct avctp_frame *avctp_frame)
> +{
> +       struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
> +       uint32_t items;
> +       uint16_t id, uids, charset;
> +       uint8_t status, folders, indent = 2;
> +
> +       if (avctp_frame->hdr & 0x02)
> +               goto response;
> +
> +       if (!l2cap_frame_get_be16(frame, &id))
> +               return false;
> +
> +       print_field("%*cPlayerID: 0x%04x (%u)", indent, ' ', id, id);
> +       return true;
> +
> +response:
> +       if (!l2cap_frame_get_u8(frame, &status))
> +               return false;
> +
> +       print_field("%*cStatus: 0x%02x (%s)", indent, ' ', status,
> +                                                       error2str(status));
> +
> +       if (!l2cap_frame_get_be16(frame, &uids))
> +               return false;
> +
> +       print_field("%*cUIDCounter: 0x%04x (%u)", indent, ' ', uids, uids);
> +
> +       if (!l2cap_frame_get_be32(frame, &items))
> +               return false;
> +
> +       print_field("%*cNumber of Items: 0x%08x (%u)", indent, ' ',
> +                                                               items, items);
> +
> +       if (!l2cap_frame_get_be16(frame, &charset))
> +               return false;
> +
> +       print_field("%*cCharsetID: 0x%04x (%s)", indent, ' ', charset,
> +                                                       charset2str(charset));
> +
> +       if (!l2cap_frame_get_u8(frame, &folders))
> +               return false;
> +
> +       print_field("%*cFolder Depth: 0x%02x (%u)", indent, ' ', folders,
> +                                                               folders);
> +
> +       for (; folders > 0; folders--) {
> +               uint8_t len;
> +
> +               if (!l2cap_frame_get_u8(frame, &len))
> +                       return false;
> +
> +               printf("Folder: ");
> +               for (; len > 0; len--) {
> +                       uint8_t c;
> +
> +                       if (!l2cap_frame_get_u8(frame, &c))
> +                               return false;
> +
> +                       printf("%1c", isprint(c) ? c : '.');
> +               }
> +               printf("\n");
> +       }
> +
> +       return true;
> +}
> +
>  static bool avrcp_browsing_packet(struct avctp_frame *avctp_frame)
>  {
>         struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
> +       uint16_t len;
> +       uint8_t pduid;
> +
> +       if (!l2cap_frame_get_u8(frame, &pduid))
> +               return false;
> +
> +       if (!l2cap_frame_get_be16(frame, &len))
> +               return false;
> +
> +       print_field("AVRCP: %s: len 0x%04x", pdu2str(pduid), len);
> +
> +       switch (pduid) {
> +       case AVRCP_SET_BROWSED_PLAYER:
> +               avrcp_set_browsed_player(avctp_frame);
> +               break;
> +       default:
> +               packet_hexdump(frame->data, frame->size);
> +       }
>
> -       packet_hexdump(frame->data, frame->size);
>         return true;
>  }
>
> --
> 1.9.1
>



-- 
Luiz Augusto von Dentz
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