2014-09-24 11:40:27

by Vikrampal Yadav

[permalink] [raw]
Subject: [PATCH 1/6] Monitor: Add AVRCP GetPlayStatus support

Support for decoding AVRCP GetPlayStatus added in Bluetooth
monitor.
---
monitor/avctp.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)

diff --git a/monitor/avctp.c b/monitor/avctp.c
index f366b87..352a744 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -158,6 +158,14 @@
#define AVRCP_ATTRIBUTE_SHUFFLE 0x03
#define AVRCP_ATTRIBUTE_SCAN 0x04

+/* play status */
+#define AVRCP_PLAY_STATUS_STOPPED 0x00
+#define AVRCP_PLAY_STATUS_PLAYING 0x01
+#define AVRCP_PLAY_STATUS_PAUSED 0x02
+#define AVRCP_PLAY_STATUS_FWD_SEEK 0x03
+#define AVRCP_PLAY_STATUS_REV_SEEK 0x04
+#define AVRCP_PLAY_STATUS_ERROR 0xFF
+
struct avctp_frame {
uint8_t hdr;
uint8_t pt;
@@ -524,6 +532,26 @@ static const char *charset2str(uint16_t charset)
}
}

+static const char *playstatus2str(uint8_t status)
+{
+ switch (status) {
+ case AVRCP_PLAY_STATUS_STOPPED:
+ return "STOPPED";
+ case AVRCP_PLAY_STATUS_PLAYING:
+ return "PLAYING";
+ case AVRCP_PLAY_STATUS_PAUSED:
+ return "PAUSED";
+ case AVRCP_PLAY_STATUS_FWD_SEEK:
+ return "FWD_SEEK";
+ case AVRCP_PLAY_STATUS_REV_SEEK:
+ return "REV_SEEK";
+ case AVRCP_PLAY_STATUS_ERROR:
+ return "ERROR";
+ default:
+ return "Unknown";
+ }
+}
+
static bool avrcp_passthrough_packet(struct avctp_frame *avctp_frame)
{
struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
@@ -905,6 +933,38 @@ static bool avrcp_displayable_charset(struct avctp_frame *avctp_frame,
return true;
}

+static bool avrcp_get_play_status(struct avctp_frame *avctp_frame,
+ uint8_t ctype, uint8_t len,
+ uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint32_t interval;
+ uint8_t status;
+
+ if (ctype <= AVC_CTYPE_GENERAL_INQUIRY)
+ return true;
+
+ if (!l2cap_frame_get_be32(frame, &interval))
+ return false;
+
+ print_field("%*cSongLength: 0x%08x (%u miliseconds)",
+ (indent - 8), ' ', interval, interval);
+
+ if (!l2cap_frame_get_be32(frame, &interval))
+ return false;
+
+ print_field("%*cSongPosition: 0x%08x (%u miliseconds)",
+ (indent - 8), ' ', interval, interval);
+
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cPlayStatus: 0x%02x (%s)", (indent - 8),
+ ' ', status, playstatus2str(status));
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -920,6 +980,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x15, avrcp_get_player_attribute_text },
{ 0x16, avrcp_get_player_value_text },
{ 0x17, avrcp_displayable_charset },
+ { 0x30, avrcp_get_play_status },
{ }
};

--
1.9.1



2014-09-24 11:40:32

by Vikrampal Yadav

[permalink] [raw]
Subject: [PATCH 6/6] Monitor: Add AVRCP AddToNowPlaying support

Support for decoding AVRCP AddToNowPlaying added in Bluetooth
monitor.
---
monitor/avctp.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)

diff --git a/monitor/avctp.c b/monitor/avctp.c
index 00f84cd..88f531b 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -1233,6 +1233,48 @@ response:
return true;
}

+static bool avrcp_add_to_now_playing(struct avctp_frame *avctp_frame,
+ uint8_t ctype, uint8_t len,
+ uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint64_t uid;
+ uint16_t uidcounter;
+ uint8_t scope, status;
+
+ if (ctype > AVC_CTYPE_GENERAL_INQUIRY)
+ goto response;
+
+ if (!l2cap_frame_get_u8(frame, &scope))
+ return false;
+
+ print_field("%*cScope: 0x%02x (%s)", (indent - 8), ' ',
+ scope, scope2str(scope));
+
+ if (!l2cap_frame_get_be64(frame, &uid))
+ return false;
+
+ print_field("%*cUID: 0x%16" PRIx64 " (%" PRIu64 ")", (indent - 8),
+ ' ', uid, uid);
+
+ if (!l2cap_frame_get_be16(frame, &uidcounter))
+ return false;
+
+ print_field("%*cUIDCounter: 0x%04x (%u)", (indent - 8), ' ',
+ uidcounter, uidcounter);
+
+ return true;
+
+response:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cStatus: 0x%02x (%s)", (indent - 8), ' ', status,
+ error2str(status));
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -1253,6 +1295,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x50, avrcp_set_absolute_volume },
{ 0x60, avrcp_set_addressed_player },
{ 0x74, avrcp_play_item },
+ { 0x90, avrcp_add_to_now_playing },
{ }
};

--
1.9.1


2014-09-24 11:40:31

by Vikrampal Yadav

[permalink] [raw]
Subject: [PATCH 5/6] Monitor: Add AVRCP PlayItem support

Support for decoding AVRCP PlayItem added in Bluetooth monitor.
---
monitor/avctp.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)

diff --git a/monitor/avctp.c b/monitor/avctp.c
index f684d48..00f84cd 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -166,6 +166,12 @@
#define AVRCP_PLAY_STATUS_REV_SEEK 0x04
#define AVRCP_PLAY_STATUS_ERROR 0xFF

+/* media scope */
+#define AVRCP_MEDIA_PLAYER_LIST 0x00
+#define AVRCP_MEDIA_PLAYER_VFS 0x01
+#define AVRCP_MEDIA_SEARCH 0x02
+#define AVRCP_MEDIA_NOW_PLAYING 0x03
+
struct avctp_frame {
uint8_t hdr;
uint8_t pt;
@@ -570,6 +576,22 @@ static const char *status2str(uint8_t status)
}
}

+static const char *scope2str(uint8_t scope)
+{
+ switch (scope) {
+ case AVRCP_MEDIA_PLAYER_LIST:
+ return "Media Player List";
+ case AVRCP_MEDIA_PLAYER_VFS:
+ return "Media Player Virtual Filesystem";
+ case AVRCP_MEDIA_SEARCH:
+ return "Search";
+ case AVRCP_MEDIA_NOW_PLAYING:
+ return "Now Playing";
+ default:
+ return "Unknown";
+ }
+}
+
static bool avrcp_passthrough_packet(struct avctp_frame *avctp_frame)
{
struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
@@ -1170,6 +1192,47 @@ response:
return true;
}

+static bool avrcp_play_item(struct avctp_frame *avctp_frame, uint8_t ctype,
+ uint8_t len, uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint64_t uid;
+ uint16_t uidcounter;
+ uint8_t scope, status;
+
+ if (ctype > AVC_CTYPE_GENERAL_INQUIRY)
+ goto response;
+
+ if (!l2cap_frame_get_u8(frame, &scope))
+ return false;
+
+ print_field("%*cScope: 0x%02x (%s)", (indent - 8), ' ',
+ scope, scope2str(scope));
+
+ if (!l2cap_frame_get_be64(frame, &uid))
+ return false;
+
+ print_field("%*cUID: 0x%16" PRIx64 " (%" PRIu64 ")", (indent - 8),
+ ' ', uid, uid);
+
+ if (!l2cap_frame_get_be16(frame, &uidcounter))
+ return false;
+
+ print_field("%*cUIDCounter: 0x%04x (%u)", (indent - 8), ' ',
+ uidcounter, uidcounter);
+
+ return true;
+
+response:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cStatus: 0x%02x (%s)", (indent - 8), ' ', status,
+ error2str(status));
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -1189,6 +1252,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x31, avrcp_register_notification },
{ 0x50, avrcp_set_absolute_volume },
{ 0x60, avrcp_set_addressed_player },
+ { 0x74, avrcp_play_item },
{ }
};

--
1.9.1


2014-09-24 11:40:30

by Vikrampal Yadav

[permalink] [raw]
Subject: [PATCH 4/6] Monitor: Add AVRCP SetAddressedPlayer support

Support for decoding AVRCP SetAddressedPlayer added in Bluetooth
monitor.
---
monitor/avctp.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/monitor/avctp.c b/monitor/avctp.c
index 7a5b596..f684d48 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -1142,6 +1142,34 @@ static bool avrcp_set_absolute_volume(struct avctp_frame *avctp_frame,
return true;
}

+static bool avrcp_set_addressed_player(struct avctp_frame *avctp_frame,
+ uint8_t ctype, uint8_t len,
+ uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint16_t id;
+ uint8_t status;
+
+ if (ctype > AVC_CTYPE_GENERAL_INQUIRY)
+ goto response;
+
+ if (!l2cap_frame_get_be16(frame, &id))
+ return false;
+
+ print_field("%*cPlayerID: 0x%04x (%u)", (indent - 8), ' ', id, id);
+
+ return true;
+
+response:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cStatus: 0x%02x (%s)", (indent - 8), ' ',
+ status, error2str(status));
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -1160,6 +1188,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x30, avrcp_get_play_status },
{ 0x31, avrcp_register_notification },
{ 0x50, avrcp_set_absolute_volume },
+ { 0x60, avrcp_set_addressed_player },
{ }
};

--
1.9.1


2014-09-24 11:40:29

by Vikrampal Yadav

[permalink] [raw]
Subject: [PATCH 3/6] Monitor: Add AVRCP SetAbsoluteVolume support

Support for decoding AVRCP SetAbsoluteVolume added in Bluetooth
monitor.
---
monitor/avctp.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/monitor/avctp.c b/monitor/avctp.c
index 6b43f41..7a5b596 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -1125,6 +1125,23 @@ response:
return true;
}

+static bool avrcp_set_absolute_volume(struct avctp_frame *avctp_frame,
+ uint8_t ctype, uint8_t len,
+ uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint8_t value;
+
+ if (!l2cap_frame_get_u8(frame, &value))
+ return false;
+
+ value &= 0x7F;
+ print_field("%*cVolume: %.2f%% (%d/127)", (indent - 8),
+ ' ', value/1.27, value);
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -1142,6 +1159,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x17, avrcp_displayable_charset },
{ 0x30, avrcp_get_play_status },
{ 0x31, avrcp_register_notification },
+ { 0x50, avrcp_set_absolute_volume },
{ }
};

--
1.9.1


2014-09-24 11:40:28

by Vikrampal Yadav

[permalink] [raw]
Subject: [PATCH 2/6] Monitor: Add AVRCP RegisterNotification support

Support for decoding AVRCP RegisterNotification added in Bluetooth
monitor.
---
monitor/avctp.c | 161 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 161 insertions(+)

diff --git a/monitor/avctp.c b/monitor/avctp.c
index 352a744..6b43f41 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -552,6 +552,24 @@ static const char *playstatus2str(uint8_t status)
}
}

+static const char *status2str(uint8_t status)
+{
+ switch (status) {
+ case 0x0:
+ return "NORMAL";
+ case 0x1:
+ return "WARNING";
+ case 0x2:
+ return "CRITICAL";
+ case 0x3:
+ return "EXTERNAL";
+ case 0x4:
+ return "FULL_CHARGE";
+ default:
+ return "Reserved";
+ }
+}
+
static bool avrcp_passthrough_packet(struct avctp_frame *avctp_frame)
{
struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
@@ -965,6 +983,148 @@ static bool avrcp_get_play_status(struct avctp_frame *avctp_frame,
return true;
}

+static bool avrcp_register_notification(struct avctp_frame *avctp_frame,
+ uint8_t ctype, uint8_t len,
+ uint8_t indent)
+{
+ struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
+ uint8_t event, status;
+ uint16_t uid;
+ uint32_t interval;
+ uint64_t id;
+
+ if (ctype > AVC_CTYPE_GENERAL_INQUIRY)
+ goto response;
+
+ if (!l2cap_frame_get_u8(frame, &event))
+ return false;
+
+ print_field("%*cEventID: 0x%02x (%s)", (indent - 8),
+ ' ', event, event2str(event));
+
+ if (!l2cap_frame_get_be32(frame, &interval))
+ return false;
+
+ print_field("%*cInterval: 0x%08x (%u seconds)",
+ (indent - 8), ' ', interval, interval);
+
+ return true;
+
+response:
+ if (!l2cap_frame_get_u8(frame, &event))
+ return false;
+
+ print_field("%*cEventID: 0x%02x (%s)", (indent - 8),
+ ' ', event, event2str(event));
+
+ switch (event) {
+ case AVRCP_EVENT_PLAYBACK_STATUS_CHANGED:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cPlayStatus: 0x%02x (%s)", (indent - 8),
+ ' ', status, playstatus2str(status));
+ break;
+ case AVRCP_EVENT_TRACK_CHANGED:
+ if (!l2cap_frame_get_be64(frame, &id))
+ return false;
+
+ print_field("%*cIdentifier: 0x%16" PRIx64 " (%" PRIu64 ")",
+ (indent - 8), ' ', id, id);
+ break;
+ case AVRCP_EVENT_PLAYBACK_POS_CHANGED:
+ if (!l2cap_frame_get_be32(frame, &interval))
+ return false;
+
+ print_field("%*cPosition: 0x%08x (%u miliseconds)",
+ (indent - 8), ' ', interval, interval);
+ break;
+ case AVRCP_EVENT_BATT_STATUS_CHANGED:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cBatteryStatus: 0x%02x (%s)", (indent - 8),
+ ' ', status, status2str(status));
+
+ break;
+ case AVRCP_EVENT_SYSTEM_STATUS_CHANGED:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cSystemStatus: 0x%02x ", (indent - 8),
+ ' ', status);
+ switch (status) {
+ case 0x00:
+ printf("(POWER_ON)\n");
+ break;
+ case 0x01:
+ printf("(POWER_OFF)\n");
+ break;
+ case 0x02:
+ printf("(UNPLUGGED)\n");
+ break;
+ default:
+ printf("(UNKOWN)\n");
+ break;
+ }
+ break;
+ case AVRCP_EVENT_PLAYER_APPLICATION_SETTING_CHANGED:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ print_field("%*cAttributeCount: 0x%02x", (indent - 8),
+ ' ', status);
+
+ for (; status > 0; status--) {
+ uint8_t attr, value;
+
+ if (!l2cap_frame_get_u8(frame, &attr))
+ return false;
+
+ print_field("%*cAttributeID: 0x%02x (%s)",
+ (indent - 8), ' ', attr, attr2str(attr));
+
+ if (!l2cap_frame_get_u8(frame, &value))
+ return false;
+
+ print_field("%*cValueID: 0x%02x (%s)", (indent - 8),
+ ' ', value, value2str(attr, value));
+ }
+ break;
+ case AVRCP_EVENT_VOLUME_CHANGED:
+ if (!l2cap_frame_get_u8(frame, &status))
+ return false;
+
+ status &= 0x7F;
+
+ print_field("%*cVolume: %.2f%% (%d/127)", (indent - 8),
+ ' ', status/1.27, status);
+ break;
+ case AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED:
+ if (!l2cap_frame_get_be16(frame, &uid))
+ return false;
+
+ print_field("%*cPlayerID: 0x%04x (%u)", (indent - 8),
+ ' ', uid, uid);
+
+ if (!l2cap_frame_get_be16(frame, &uid))
+ return false;
+
+ print_field("%*cUIDCounter: 0x%04x (%u)", (indent - 8),
+ ' ', uid, uid);
+ break;
+ case AVRCP_EVENT_UIDS_CHANGED:
+ if (!l2cap_frame_get_be16(frame, &uid))
+ return false;
+
+ print_field("%*cUIDCounter: 0x%04x (%u)", (indent - 8),
+ ' ', uid, uid);
+ break;
+ }
+
+ return true;
+}
+
struct avrcp_ctrl_pdu_data {
uint8_t pduid;
bool (*func) (struct avctp_frame *avctp_frame, uint8_t ctype,
@@ -981,6 +1141,7 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
{ 0x16, avrcp_get_player_value_text },
{ 0x17, avrcp_displayable_charset },
{ 0x30, avrcp_get_play_status },
+ { 0x31, avrcp_register_notification },
{ }
};

--
1.9.1