From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
parser/avrcp.c | 124 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 123 insertions(+), 1 deletions(-)
diff --git a/parser/avrcp.c b/parser/avrcp.c
index 43e8a8b..ff6862d 100644
--- a/parser/avrcp.c
+++ b/parser/avrcp.c
@@ -111,6 +111,21 @@
#define AVRCP_SEARCH 0x80
#define AVRCP_ADD_TO_NOW_PLAYING 0x90
+/* 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
+
static const char *ctype2str(uint8_t ctype)
{
switch (ctype & 0x0f) {
@@ -213,6 +228,105 @@ static const char *pdu2str(uint8_t pduid)
}
}
+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 void avrcp_get_capabilities_dump(int level, struct frame *frm, uint16_t len)
+{
+ uint8_t cap;
+ uint8_t count;
+
+ p_indent(level, frm);
+
+ if (len < 1) {
+ printf("PDU Malformed\n");
+ raw_dump(level, frm);
+ return;
+ }
+
+ cap = get_u8(frm);
+ printf("CapabilityID: 0x%02x (%s)\n", cap, cap2str(cap));
+
+ if (len == 1)
+ return;
+
+ p_indent(level, frm);
+
+ count = get_u8(frm);
+ printf("CapabilityCount: 0x%02x\n", count);
+
+ switch (cap) {
+ case 0x2:
+ for (; count > 0; count--) {
+ int i;
+
+ p_indent(level, frm);
+
+ printf("%s: 0x", cap2str(cap));
+ for (i = 0; i < 3; i++)
+ printf("%02x", get_u8(frm));
+ printf("\n");
+ }
+ break;
+ case 0x3:
+ for (; count > 0; count--) {
+ uint8_t event;
+
+ p_indent(level, frm);
+
+ event = get_u8(frm);
+ printf("%s: 0x%02x (%s)\n", cap2str(cap), event,
+ event2str(event));
+ }
+ break;
+ default:
+ raw_dump(level, frm);
+ }
+}
+
static void avrcp_pdu_dump(int level, struct frame *frm, uint8_t ctype)
{
uint8_t pduid, pt;
@@ -229,9 +343,17 @@ static void avrcp_pdu_dump(int level, struct frame *frm, uint8_t ctype)
if (len != frm->len) {
p_indent(level, frm);
printf("PDU Malformed\n");
+ raw_dump(level, frm);
+ return;
}
- raw_dump(level, frm);
+ switch (pduid) {
+ case AVRCP_GET_CAPABILITIES:
+ avrcp_get_capabilities_dump(level + 1, frm, len);
+ break;
+ default:
+ raw_dump(level, frm);
+ }
}
static char *op2str(uint8_t op)
--
1.7.6
--
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