Hi Vikrampal,
On Tue, Aug 12, 2014 at 2:54 PM, Vikrampal Yadav <vikram.pal@xxxxxxxxxxx> wrote:
> Support for decoding AVRCP GetCapabilities added in
> Bluetooth monitor.
> ---
> monitor/avctp.c | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 100 insertions(+)
>
> diff --git a/monitor/avctp.c b/monitor/avctp.c
> index b07eea7..0b40d54 100644
> --- a/monitor/avctp.c
> +++ b/monitor/avctp.c
> @@ -79,6 +79,21 @@
> #define AVC_OP_SUBUNITINFO 0x31
> #define AVC_OP_PASSTHROUGH 0x7c
>
> +/* notification events */
> +#define AVRCP_EVENT_PLAYBACK_STATUS_CHANGED 0x01
> +#define AVRCP_EVENT_TRACK_CHANGED 0x02
> +#define AVRCP_EVENT_TRACK_REACHED_END 0x03
> +#define AVRCP_EVENT_TRACK_REACHED_START 0x04
> +#define AVRCP_EVENT_PLAYBACK_POS_CHANGED 0x05
> +#define AVRCP_EVENT_BATT_STATUS_CHANGED 0x06
> +#define AVRCP_EVENT_SYSTEM_STATUS_CHANGED 0x07
> +#define AVRCP_EVENT_PLAYER_APPLICATION_SETTING_CHANGED 0x08
> +#define AVRCP_EVENT_NOW_PLAYING_CONTENT_CHANGED 0x09
> +#define AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED 0x0a
> +#define AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED 0x0b
> +#define AVRCP_EVENT_UIDS_CHANGED 0x0c
> +#define AVRCP_EVENT_VOLUME_CHANGED 0x0d
> +
> /* error statuses */
> #define AVRCP_STATUS_INVALID_COMMAND 0x00
> #define AVRCP_STATUS_INVALID_PARAMETER 0x01
> @@ -219,6 +234,52 @@ static const char *opcode2str(uint8_t opcode)
> }
> }
>
> +static char *cap2str(uint8_t cap)
> +{
> + switch (cap) {
> + case 0x2:
> + return "CompanyID";
> + case 0x3:
> + return "EventsID";
> + default:
> + return "Unknown";
> + }
> +}
> +
> +static char *event2str(uint8_t event)
> +{
> + switch (event) {
> + case AVRCP_EVENT_PLAYBACK_STATUS_CHANGED:
> + return "EVENT_PLAYBACK_STATUS_CHANGED";
> + case AVRCP_EVENT_TRACK_CHANGED:
> + return "EVENT_TRACK_CHANGED";
> + case AVRCP_EVENT_TRACK_REACHED_END:
> + return "EVENT_TRACK_REACHED_END";
> + case AVRCP_EVENT_TRACK_REACHED_START:
> + return "EVENT_TRACK_REACHED_START";
> + case AVRCP_EVENT_PLAYBACK_POS_CHANGED:
> + return "EVENT_PLAYBACK_POS_CHANGED";
> + case AVRCP_EVENT_BATT_STATUS_CHANGED:
> + return "EVENT_BATT_STATUS_CHANGED";
> + case AVRCP_EVENT_SYSTEM_STATUS_CHANGED:
> + return "EVENT_SYSTEM_STATUS_CHANGED";
> + case AVRCP_EVENT_PLAYER_APPLICATION_SETTING_CHANGED:
> + return "EVENT_PLAYER_APPLICATION_SETTING_CHANGED";
> + case AVRCP_EVENT_NOW_PLAYING_CONTENT_CHANGED:
> + return "EVENT_NOW_PLAYING_CONTENT_CHANGED";
> + case AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED:
> + return "EVENT_AVAILABLE_PLAYERS_CHANGED";
> + case AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED:
> + return "EVENT_ADDRESSED_PLAYER_CHANGED";
> + case AVRCP_EVENT_UIDS_CHANGED:
> + return "EVENT_UIDS_CHANGED";
> + case AVRCP_EVENT_VOLUME_CHANGED:
> + return "EVENT_VOLUME_CHANGED";
> + default:
> + return "Reserved";
> + }
> +}
> +
> static const char *error2str(uint8_t status)
> {
> switch (status) {
> @@ -351,6 +412,45 @@ static void avrcp_get_capabilities(const struct l2cap_frame *frame,
> uint8_t ctype, uint8_t len,
> uint8_t indent)
> {
> + uint8_t cap, count;
> + int i;
> +
> + if (len < 1) {
> + print_text(COLOR_ERROR, "PDU malformed");
> + packet_hexdump(frame->data, frame->size);
> + return;
> + }
> +
> + cap = *((uint8_t *) frame->data);
> + print_field("%*cCapabilityID: 0x%02x (%s)", (indent - 8), ' ', cap,
> + cap2str(cap));
Align to the right.
> + if (len == 1)
> + return;
> +
> + count = *((uint8_t *) (frame->data + 1));
> + print_field("%*cCapabilityCount: 0x%02x", (indent - 8), ' ', count);
> +
> + switch (cap) {
> + case 0x2:
> + for (; count > 0; count--) {
> + print_field("%s: 0x", cap2str(cap));
> + for (i = 0; i < 3; i++)
> + print_field("%*c%02x", (indent - 8), ' ',
> + *((uint8_t *) (frame->data + 2 + i)));
> + }
> + break;
> + case 0x3:
> + for (i = 0; count > 0; count--, i++) {
> + uint8_t event;
> + event = *((uint8_t *) (frame->data + 2 + i));
> + print_field("%*c%s: 0x%02x (%s)", (indent - 8), ' ',
> + cap2str(cap), event, event2str(event));
> + }
> + break;
> + default:
> + packet_hexdump(frame->data + 1, frame->size - 1);
> + }
> }
>
> static void avrcp_list_player_attributes(const struct l2cap_frame *frame,
> --
> 1.9.1
>
--
Luiz Augusto von Dentz
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