change(bt): optimize the macro definition for sdp_max_pad_len

Author: ESP-YTGerd

components/bt/host/bluedroid/Kconfig.in

@@ -133,24 +133,24 @@ config BT_SDP_COMMON_ENABLED
         This enables common SDP operation, such as SDP record creation and deletion.
 
 config BT_SDP_PAD_LEN
-    int "BT SDP attributes allocated length (bytes)"
+    int "One or more BT SDP attributes total allocated length (bytes)"
     depends on BT_CLASSIC_ENABLED
     default 300
-    range   300 1024
+    range   BT_SDP_ATTR_LEN 1024
     help
-        This is the total size of all SDP attributes allowed. 
-        Any attributes that exceed this size are truncated. 
+        This is the total size of all SDP attributes allowed.
+        Any attributes that exceed this size are truncated.
         The default value is 300.
 
 config BT_SDP_ATTR_LEN
-    int "BT SDP attribute allocated length (bytes)"
+    int "Single BT SDP attribute allocated length (bytes)"
     depends on BT_CLASSIC_ENABLED
-    default 400
-    range   400 1024
+    default 300
+    range   300 1024
     help
-        This is the maximum allowed size for a single SDP attribute. 
-        Any attributes that exceed this size are truncated. 
-        The default value is 400.
+        This is the maximum allowed size for a single SDP attribute.
+        Any attributes that exceed this size are truncated.
+        The default value is 300.
 
 menuconfig BT_HFP_ENABLE
     bool "Hands Free/Handset Profile"

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

@@ -76,15 +76,15 @@
 // SDP Pad Length
 #ifdef CONFIG_BT_SDP_PAD_LEN
 #define UC_SDP_MAX_PAD_LEN                  CONFIG_BT_SDP_PAD_LEN
-#else 
+#else
 #define UC_SDP_MAX_PAD_LEN                  300
 #endif
 
 // SDP Max Attribute Length
 #ifdef CONFIG_BT_SDP_ATTR_LEN
 #define UC_SDP_MAX_ATTR_LEN                 CONFIG_BT_SDP_ATTR_LEN
-#else 
-#define UC_SDP_MAX_ATTR_LEN                 400
+#else
+#define UC_SDP_MAX_ATTR_LEN                 300
 #endif
 
 //HFP(AG)

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

@@ -1659,17 +1659,13 @@
 #endif
 
 /* The maximum length, in bytes, of all SDP attributes combined. */
-#if defined(UC_SDP_MAX_PAD_LEN)
+#ifndef SDP_MAX_PAD_LEN
 #define SDP_MAX_PAD_LEN             UC_SDP_MAX_PAD_LEN
-#elif !defined(SDP_MAX_PAD_LEN)
-#define SDP_MAX_PAD_LEN             300
 #endif
 
 /* The maximum length, in bytes, of an attribute. */
-#if defined(UC_SDP_MAX_ATTR_LEN)
+#ifndef SDP_MAX_ATTR_LEN
 #define SDP_MAX_ATTR_LEN            UC_SDP_MAX_ATTR_LEN
-#elif !defined(SDP_MAX_ATTR_LEN)
-#define SDP_MAX_ATTR_LEN            400
 #endif
 
 /* The maximum number of attribute filters supported by SDP databases. */