static void avrcp_get_play_status_dump(int level, struct frame *frm,
uint8_t ctype, uint16_t len)
{
uint32_t interval;
uint8_t status;
if (ctype <= AVC_CTYPE_GENERAL_INQUIRY)
return;
p_indent(level, frm);
if (len < 9) {
printf("PDU Malformed\n");
raw_dump(level, frm);
return;
}
interval = get_u32(frm);
printf("SongLength: 0x%08x (%u miliseconds)\n", interval, interval);
p_indent(level, frm);
interval = get_u32(frm);
printf("SongPosition: 0x%08x (%u miliconds)\n", interval, interval);
p_indent(level, frm);
status = get_u8(frm);
printf("PlayStatus: 0x%02x (%s)\n", status, playstatus2str(status));
}
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;
}
static void avrcp_register_notification_dump(int level, struct frame *frm,
uint8_t ctype, uint16_t len)
{
uint8_t event, status;
uint16_t uid;
uint32_t interval;
uint64_t id;
p_indent(level, frm);
if (ctype > AVC_CTYPE_GENERAL_INQUIRY)
goto response;
if (len < 5) {
printf("PDU Malformed\n");
raw_dump(level, frm);
return;
}
event = get_u8(frm);
printf("EventID: 0x%02x (%s)\n", event, event2str(event));
p_indent(level, frm);
interval = get_u32(frm);
printf("Interval: 0x%08x (%u seconds)\n", interval, interval);
return;
response:
if (len < 1) {
printf("PDU Malformed\n");
raw_dump(level, frm);
return;
}
event = get_u8(frm);
printf("EventID: 0x%02x (%s)\n", event, event2str(event));
p_indent(level, frm);
switch (event) {
case AVRCP_EVENT_PLAYBACK_STATUS_CHANGED:
status = get_u8(frm);
printf("PlayStatus: 0x%02x (%s)\n", status,
playstatus2str(status));
break;
case AVRCP_EVENT_TRACK_CHANGED:
id = get_u64(frm);
printf("Identifier: 0x%jx (%s)\n", id,
id ? "Reserved" : "PLAYING");
break;
case AVRCP_EVENT_PLAYBACK_POS_CHANGED:
interval = get_u32(frm);
printf("Position: 0x%08x (%u miliseconds)\n", interval,
interval);
break;
case AVRCP_EVENT_BATT_STATUS_CHANGED:
status = get_u8(frm);
printf("BatteryStatus: 0x%02x (%s)\n", status,
status2str(status));
break;
case AVRCP_EVENT_SYSTEM_STATUS_CHANGED:
status = get_u8(frm);
printf("SystemStatus: 0x%02x ", status);
switch (status) {
case 0x00:
printf("(POWER_ON)\n");
case 0x01:
printf("(POWER_OFF)\n");
case 0x02:
printf("(UNPLUGGED)\n");
default:
printf("(UNKOWN)\n");
}
break;
case AVRCP_EVENT_PLAYER_APPLICATION_SETTING_CHANGED:
status = get_u8(frm);
printf("AttributeCount: 0x%02x\n", status);
for (; status > 0; status--) {
uint8_t attr, value;
p_indent(level, frm);
attr = get_u8(frm);
printf("AttributeID: 0x%02x (%s)\n", attr,
attr2str(attr));
p_indent(level, frm);
value = get_u8(frm);
printf("ValueID: 0x%02x (%s)\n", value,
value2str(attr, value));
}
break;
case AVRCP_EVENT_VOLUME_CHANGED:
status = get_u8(frm) & 0x7F;
printf("Volume: %.2f%% (%d/127)\n", status/1.27, status);
break;
case AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED:
uid = get_u16(frm);
printf("PlayerID: 0x%04x (%u)\n", uid, uid);
p_indent(level, frm);
uid = get_u16(frm);
printf("UIDCounter: 0x%04x (%u)\n", uid, uid);
break;
}
}
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;
}