Return-Path: From: Vikrampal Yadav To: linux-bluetooth@vger.kernel.org Cc: luiz.dentz@gmail.com, d.kasatkin@samsung.com, vikram.pal@samsung.com, cpgs@samsung.com Subject: [PATCH v3 6/6] monitor: Add AVRCP GetCapabilities support Date: Wed, 13 Aug 2014 15:13:35 +0530 Message-id: <1407923015-26468-6-git-send-email-vikram.pal@samsung.com> In-reply-to: <1407923015-26468-1-git-send-email-vikram.pal@samsung.com> References: <1407923015-26468-1-git-send-email-vikram.pal@samsung.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: 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 bc8f469..9eeac7f 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)); + + 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