feat(bt/bluedroid): Support BLE gattc notify registration number

components/bt/host/bluedroid/Kconfig.in

@@ -236,6 +236,14 @@ config BT_GATTC_MAX_CACHE_CHAR
     help
         Maximum GATTC cache characteristic count
 
+config BT_GATTC_NOTIF_REG_MAX
+    int "Max gattc notify(indication) register number"
+    depends on BT_GATTC_ENABLE
+    range 1 64
+    default 5
+    help
+        Maximum GATTC notify(indication) register number
+
 config BT_GATTC_CACHE_NVS_FLASH
     bool "Save gattc cache data to nvs flash"
     depends on BT_GATTC_ENABLE

components/bt/host/bluedroid/bta/gatt/bta_gattc_api.c

@@ -932,7 +932,7 @@ tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications (tBTA_GATTC_IF client_if,
             }
             if (i == BTA_GATTC_NOTIF_REG_MAX) {
                 status = BTA_GATT_NO_RESOURCES;
-                APPL_TRACE_ERROR("Max Notification Reached, registration failed.");
+                APPL_TRACE_ERROR("Max Notification Reached, registration failed,see CONFIG_BT_GATTC_NOTIF_REG_MAX in menuconfig");
             }
         }
     } else {

components/bt/host/bluedroid/bta/gatt/include/bta_gattc_int.h

@@ -319,10 +319,6 @@ typedef struct {
     bool                update_incl_srvc;
 } tBTA_GATTC_SERV;
 
-#ifndef BTA_GATTC_NOTIF_REG_MAX
-#define BTA_GATTC_NOTIF_REG_MAX     BTA_GATTC_CONN_MAX
-#endif
-
 typedef struct {
     BOOLEAN             in_use;
     BD_ADDR             remote_bda;

components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h

@@ -164,6 +164,13 @@
 #define UC_BT_GATTC_MAX_CACHE_CHAR      40
 #endif
 
+//GATTC NOTIF
+#ifdef CONFIG_BT_GATTC_NOTIF_REG_MAX
+#define UC_BT_GATTC_NOTIF_REG_MAX      CONFIG_BT_GATTC_NOTIF_REG_MAX
+#else
+#define UC_BT_GATTC_NOTIF_REG_MAX      5
+#endif
+
 #ifdef CONFIG_BT_GATTC_CACHE_NVS_FLASH
 #define UC_BT_GATTC_CACHE_NVS_FLASH_ENABLED    CONFIG_BT_GATTC_CACHE_NVS_FLASH
 #else

components/bt/host/bluedroid/common/include/common/bt_target.h

@@ -237,6 +237,12 @@
 #define GATTC_CONNECT_RETRY_EN     FALSE
 #endif
 
+#ifdef UC_BT_GATTC_NOTIF_REG_MAX
+#define BTA_GATTC_NOTIF_REG_MAX     UC_BT_GATTC_NOTIF_REG_MAX
+#else
+#define BTA_GATTC_NOTIF_REG_MAX     5
+#endif
+
 #if (UC_BT_SMP_ENABLE)
 #define SMP_INCLUDED                TRUE
 #if (BLE_INCLUDED == TRUE)