Support for decoding AV/C commands and GetCapabilities added in
Bluetooth monitor.
---
monitor/avctp.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
diff --git a/monitor/avctp.c b/monitor/avctp.c
index 28605fb..f85a1ee 100644
--- a/monitor/avctp.c
+++ b/monitor/avctp.c
@@ -79,6 +79,30 @@
#define AVC_OP_SUBUNITINFO 0x31
#define AVC_OP_PASSTHROUGH 0x7c
+/* error statuses */
+#define AVRCP_STATUS_INVALID_COMMAND 0x00
+#define AVRCP_STATUS_INVALID_PARAMETER 0x01
+#define AVRCP_STATUS_NOT_FOUND 0x02
+#define AVRCP_STATUS_INTERNAL_ERROR 0x03
+#define AVRCP_STATUS_SUCCESS 0x04
+#define AVRCP_STATUS_UID_CHANGED 0x05
+#define AVRCP_STATUS_INVALID_DIRECTION 0x07
+#define AVRCP_STATUS_NOT_DIRECTORY 0x08
+#define AVRCP_STATUS_DOES_NOT_EXIST 0x09
+#define AVRCP_STATUS_INVALID_SCOPE 0x0a
+#define AVRCP_STATUS_OUT_OF_BOUNDS 0x0b
+#define AVRCP_STATUS_IS_DIRECTORY 0x0c
+#define AVRCP_STATUS_MEDIA_IN_USE 0x0d
+#define AVRCP_STATUS_NOW_PLAYING_LIST_FULL 0x0e
+#define AVRCP_STATUS_SEARCH_NOT_SUPPORTED 0x0f
+#define AVRCP_STATUS_SEARCH_IN_PROGRESS 0x10
+#define AVRCP_STATUS_INVALID_PLAYER_ID 0x11
+#define AVRCP_STATUS_PLAYER_NOT_BROWSABLE 0x12
+#define AVRCP_STATUS_PLAYER_NOT_ADDRESSED 0x13
+#define AVRCP_STATUS_NO_VALID_SEARCH_RESULTS 0x14
+#define AVRCP_STATUS_NO_AVAILABLE_PLAYERS 0x15
+#define AVRCP_STATUS_ADDRESSED_PLAYER_CHANGED 0x16
+
/* pdu ids */
#define AVRCP_GET_CAPABILITIES 0x10
#define AVRCP_LIST_PLAYER_ATTRIBUTES 0x11
@@ -195,6 +219,58 @@ static const char *opcode2str(uint8_t opcode)
}
}
+static const char *error2str(uint8_t status)
+{
+ switch (status) {
+ case AVRCP_STATUS_INVALID_COMMAND:
+ return "Invalid Command";
+ case AVRCP_STATUS_INVALID_PARAMETER:
+ return "Invalid Parameter";
+ case AVRCP_STATUS_NOT_FOUND:
+ return "Not Found";
+ case AVRCP_STATUS_INTERNAL_ERROR:
+ return "Internal Error";
+ case AVRCP_STATUS_SUCCESS:
+ return "Success";
+ case AVRCP_STATUS_UID_CHANGED:
+ return "UID Changed";
+ case AVRCP_STATUS_INVALID_DIRECTION:
+ return "Invalid Direction";
+ case AVRCP_STATUS_NOT_DIRECTORY:
+ return "Not a Directory";
+ case AVRCP_STATUS_DOES_NOT_EXIST:
+ return "Does Not Exist";
+ case AVRCP_STATUS_INVALID_SCOPE:
+ return "Invalid Scope";
+ case AVRCP_STATUS_OUT_OF_BOUNDS:
+ return "Range Out of Bonds";
+ case AVRCP_STATUS_MEDIA_IN_USE:
+ return "Media in Use";
+ case AVRCP_STATUS_IS_DIRECTORY:
+ return "UID is a Directory";
+ case AVRCP_STATUS_NOW_PLAYING_LIST_FULL:
+ return "Now Playing List Full";
+ case AVRCP_STATUS_SEARCH_NOT_SUPPORTED:
+ return "Seach Not Supported";
+ case AVRCP_STATUS_SEARCH_IN_PROGRESS:
+ return "Search in Progress";
+ case AVRCP_STATUS_INVALID_PLAYER_ID:
+ return "Invalid Player ID";
+ case AVRCP_STATUS_PLAYER_NOT_BROWSABLE:
+ return "Player Not Browsable";
+ case AVRCP_STATUS_PLAYER_NOT_ADDRESSED:
+ return "Player Not Addressed";
+ case AVRCP_STATUS_NO_VALID_SEARCH_RESULTS:
+ return "No Valid Search Result";
+ case AVRCP_STATUS_NO_AVAILABLE_PLAYERS:
+ return "No Available Players";
+ case AVRCP_STATUS_ADDRESSED_PLAYER_CHANGED:
+ return "Addressed Player Changed";
+ default:
+ return "Unknown";
+ }
+}
+
static const char *pdu2str(uint8_t pduid)
{
switch (pduid) {
@@ -395,6 +471,16 @@ static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = {
static void avrcp_rejected_packet(const struct l2cap_frame *frame)
{
+ uint8_t status;
+
+ if (frame->size < 1) {
+ print_text(COLOR_ERROR, "PDU malformed");
+ packet_hexdump(frame->data, frame->size);
+ return;
+ }
+
+ status = *((uint8_t *) frame->data);
+ print_field("Error: 0x%02x (%s)", status, error2str(status));
}
static void avrcp_pdu_packet(const struct l2cap_frame *frame, uint8_t ctype,
--
1.9.1
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