Added structs for AVRCP baseline messages:
UnitInfo, SubUnitInfo, Passthrough and Vendor Dependent
Based on Release 4.96
---
audio/control.c | 92
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 92 insertions(+), 0 deletions(-)
diff --git a/audio/control.c b/audio/control.c
index 188297a..8ddcc10 100644
--- a/audio/control.c
+++ b/audio/control.c
@@ -282,6 +282,98 @@ struct avrcp_spec_avc_pdu {
#error "Unknown byte order"
#endif
+/* structs for AVRCP UnitInfo, SubUnitInfo, and Passthrough messages. */
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+struct avrcp_unitinfo {
+ struct avrcp_header hdr;
+ uint8_t ext_code;
+ uint8_t unit:3;
+ uint8_t unit_type:5;
+ uint8_t company_id[3];
+} __attribute__ ((packed));
+
+struct avrcp_subunit {
+ uint8_t subunit_id_max:3;
+ uint8_t subunit_type:5;
+} __attribute__ ((packed));
+
+struct avrcp_subunitinfo {
+ struct avrcp_header hdr;
+ uint8_t extension:3;
+ uint8_t _rs1:1;
+ uint8_t page:3;
+ uint8_t _rs0:1;
+ struct avrcp_subunit subunit[4];
+} __attribute__ ((packed));
+
+struct avrcp_passthru {
+ struct avrcp_header hdr;
+ uint8_t key:7;
+ uint8_t key_state:1;
+ uint8_t op_len; /* =length(company_id+op_data) */
+ uint8_t company_id[3];
+ uint8_t op_data[];
+} __attribute__ ((packed));
+
+struct avrcp_vendor_dep {
+ struct avrcp_header hdr;
+ uint8_t company_id[3];
+ uint8_t pdu_id;
+ uint8_t packet_type:2;
+ uint8_t _reserved:6;
+ uint16_t length;
+ uint8_t pdu_data[];
+} __attribute__ ((packed));
+
+#elif __BYTE_ORDER == __BIG_ENDIAN
+
+struct avrcp_unitinfo {
+ struct avrcp_header hdr;
+ uint8_t ext_code;
+ uint8_t unit_type:5;
+ uint8_t unit:3;
+ uint8_t company_id[3];
+} __attribute__ ((packed));
+
+struct avrcp_subunit {
+ uint8_t subunit_type:5;
+ uint8_t subunit_id_max:3;
+} __attribute__ ((packed));
+
+struct avrcp_subunitinfo {
+ struct avrcp_header hdr;
+ uint8_t _rs0:1;
+ uint8_t page:3;
+ uint8_t _rs1:1;
+ uint8_t extension:3;
+ struct avrcp_subunit subunit[4];
+} __attribute__ ((packed));
+
+struct avrcp_passthru {
+ struct avrcp_header hdr;
+ uint8_t key_state:1;
+ uint8_t key:7;
+ uint8_t op_len; /* =length(company_id+op_data) */
+ uint8_t company_id[3];
+ uint8_t op_data[];
+} __attribute__ ((packed));
+
+struct avrcp_vendor_dep {
+ struct avrcp_header hdr;
+ uint8_t company_id[3];
+ uint8_t pdu_id;
+ uint8_t _reserved:6;
+ uint8_t packet_type:2;
+ uint16_t length;
+ uint8_t pdu_data[];
+} __attribute__ ((packed));
+
+#else
+#error "Unknown byte order"
+#endif
+
struct avctp_state_callback {
avctp_state_cb cb;
void *user_data;
--
1.7.4.4
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