LE: Add instance ID to descriptors (3/4)

If a remote devices offers multiple descriptors with the same UUID, the
instance ID is used to differentiate between them.

Change-Id: Ia5ab989f222a5cf1b7cb66966ad4f91f2b660708

diff --git a/include/hardware/bt_gatt_client.h b/include/hardware/bt_gatt_client.h
index 8b49f59..c03e774 100644 (file)
--- a/include/hardware/bt_gatt_client.h
+++ b/include/hardware/bt_gatt_client.h
@@ -40,8 +40,8 @@ typedef struct
 typedef struct
 {
     btgatt_srvc_id_t    srvc_id;
-    btgatt_char_id_t    char_id;
-    bt_uuid_t           descr_id;
+    btgatt_gatt_id_t    char_id;
+    btgatt_gatt_id_t    descr_id;
     btgatt_unformatted_value_t value;
     uint16_t            value_type;
     uint8_t             status;
@@ -51,8 +51,8 @@ typedef struct
 typedef struct
 {
     btgatt_srvc_id_t    srvc_id;
-    btgatt_char_id_t    char_id;
-    bt_uuid_t           descr_id;
+    btgatt_gatt_id_t    char_id;
+    btgatt_gatt_id_t    descr_id;
     uint8_t             status;
 } btgatt_write_params_t;
 
@@ -62,7 +62,7 @@ typedef struct
     uint8_t             value[BTGATT_MAX_ATTR_LEN];
     bt_bdaddr_t         bda;
     btgatt_srvc_id_t    srvc_id;
-    btgatt_char_id_t    char_id;
+    btgatt_gatt_id_t    char_id;
     uint16_t            len;
     uint8_t             is_notify;
 } btgatt_notify_params_t;
@@ -105,13 +105,13 @@ typedef void (*search_result_callback)( int conn_id, btgatt_srvc_id_t *srvc_id);
 
 /** GATT characteristic enumeration result callback */
 typedef void (*get_characteristic_callback)(int conn_id, int status,
-                btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
+                btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
                 int char_prop);
 
 /** GATT descriptor enumeration result callback */
 typedef void (*get_descriptor_callback)(int conn_id, int status,
-                btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
-                bt_uuid_t *descr_id);
+                btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
+                btgatt_gatt_id_t *descr_id);
 
 /** GATT included service enumeration result callback */
 typedef void (*get_included_service_callback)(int conn_id, int status,
@@ -120,7 +120,7 @@ typedef void (*get_included_service_callback)(int conn_id, int status,
 /** Callback invoked in response to [de]register_for_notification */
 typedef void (*register_for_notification_callback)(int conn_id,
                 int registered, int status, btgatt_srvc_id_t *srvc_id,
-                btgatt_char_id_t *char_id);
+                btgatt_gatt_id_t *char_id);
 
 /**
  * Remote device notification callback, invoked when a remote device sends
@@ -212,36 +212,36 @@ typedef struct {
      * Set start_char_id to NULL to get the first characteristic.
      */
     bt_status_t (*get_characteristic)( int conn_id,
-                    btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *start_char_id);
+                    btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *start_char_id);
 
     /**
      * Enumerate descriptors for a given characteristic.
      * Set start_descr_id to NULL to get the first descriptor.
      */
     bt_status_t (*get_descriptor)( int conn_id,
-                    btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
-                    bt_uuid_t *start_descr_id);
+                    btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
+                    btgatt_gatt_id_t *start_descr_id);
 
     /** Read a characteristic on a remote device */
     bt_status_t (*read_characteristic)( int conn_id,
-                    btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
+                    btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
                     int auth_req );
 
     /** Write a remote characteristic */
     bt_status_t (*write_characteristic)(int conn_id,
-                    btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
+                    btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
                     int write_type, int len, int auth_req,
                     char* p_value);
 
     /** Read the descriptor for a given characteristic */
     bt_status_t (*read_descriptor)(int conn_id,
-                    btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
-                    bt_uuid_t *descr_id, int auth_req);
+                    btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
+                    btgatt_gatt_id_t *descr_id, int auth_req);
 
     /** Write a remote descriptor for a given characteristic */
     bt_status_t (*write_descriptor)( int conn_id,
-                    btgatt_srvc_id_t *srvc_id, btgatt_char_id_t *char_id,
-                    bt_uuid_t *descr_id, int write_type, int len,
+                    btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
+                    btgatt_gatt_id_t *descr_id, int write_type, int len,
                     int auth_req, char* p_value);
 
     /** Execute a prepared write operation */
@@ -253,12 +253,12 @@ typedef struct {
      */
     bt_status_t (*register_for_notification)( int client_if,
                     const bt_bdaddr_t *bd_addr, btgatt_srvc_id_t *srvc_id,
-                    btgatt_char_id_t *char_id);
+                    btgatt_gatt_id_t *char_id);
 
     /** Deregister a previous request for notifications/indications */
     bt_status_t (*deregister_for_notification)( int client_if,
                     const bt_bdaddr_t *bd_addr, btgatt_srvc_id_t *srvc_id,
-                    btgatt_char_id_t *char_id);
+                    btgatt_gatt_id_t *char_id);
 
     /** Request RSSI for a given remote device */
     bt_status_t (*read_remote_rssi)( int client_if, const bt_bdaddr_t *bd_addr);

diff --git a/include/hardware/bt_gatt_types.h b/include/hardware/bt_gatt_types.h
index fee9bb5..0ac217e 100644 (file)
--- a/include/hardware/bt_gatt_types.h
+++ b/include/hardware/bt_gatt_types.h
@@ -29,17 +29,17 @@ __BEGIN_DECLS
 #define BTGATT_SERVICE_TYPE_PRIMARY 0
 #define BTGATT_SERVICE_TYPE_SECONDARY 1
 
-/** GATT Characteristic ID adding instance id tracking to the UUID */
+/** GATT ID adding instance id tracking to the UUID */
 typedef struct
 {
     bt_uuid_t           uuid;
     uint8_t             inst_id;
-} btgatt_char_id_t;
+} btgatt_gatt_id_t;
 
 /** GATT Service ID also identifies the service type (primary/secondary) */
 typedef struct
 {
-    btgatt_char_id_t    id;
+    btgatt_gatt_id_t    id;
     uint8_t             is_primary;
 } btgatt_srvc_id_t;