From c783918289daa4ff2dbe6ddc9743884d6d79f083 Mon Sep 17 00:00:00 2001
From: Rodrigo Garcia <rodrigo.garcia@espressif.com>
Date: Tue, 22 Aug 2023 21:33:25 -0300
Subject: [PATCH] Fixes ESP32 BT Memory Releasing

---
 cores/esp32/esp32-hal-bt.c   | 4 ++++
 cores/esp32/esp32-hal-misc.c | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/cores/esp32/esp32-hal-bt.c b/cores/esp32/esp32-hal-bt.c
index 7b6a54e1ad4..b4c381aa1ab 100644
--- a/cores/esp32/esp32-hal-bt.c
+++ b/cores/esp32/esp32-hal-bt.c
@@ -16,8 +16,12 @@
 
 #ifdef CONFIG_BT_ENABLED
 
+#if CONFIG_IDF_TARGET_ESP32
+bool btInUse(){ return true; }
+#else
 // user may want to change it to free resources
 __attribute__((weak)) bool btInUse(){ return true; }
+#endif
 
 #include "esp_bt.h"
 
diff --git a/cores/esp32/esp32-hal-misc.c b/cores/esp32/esp32-hal-misc.c
index 9bc1b3a3a8e..835cce6f08c 100644
--- a/cores/esp32/esp32-hal-misc.c
+++ b/cores/esp32/esp32-hal-misc.c
@@ -209,9 +209,15 @@ bool verifyRollbackLater() { return false; }
 #endif
 
 #ifdef CONFIG_BT_ENABLED
+#if CONFIG_IDF_TARGET_ESP32
+//overwritten in esp32-hal-bt.c
+bool btInUse() __attribute__((weak));
+bool btInUse(){ return false; }
+#else
 //from esp32-hal-bt.c
 extern bool btInUse();
 #endif
+#endif
 
 void initArduino()
 {