Fix path platforms dir

Author: Jason2866

builder/frameworks/espidf.py

@@ -335,9 +335,7 @@ def HandleCOMPONENTsettings(env):
 if flag_custom_sdkonfig == True and "arduino" in env.subst("$PIOFRAMEWORK"):
     HandleArduinoIDFsettings(env)
     print("***** Project Config get Platforms dir:", os.path.join(ProjectConfig.get_instance().get("platformio", "platforms_dir")))
-    print("***** $PLATFORMIO_PLATFORMS_DIR:", env.subst("$PLATFORMIO_PLATFORMS_DIR"))
-    print("***** $PROJECT_CORE_DIR:", env.subst("$PROJECT_CORE_DIR"))
-    LIB_SOURCE = os.path.join(env.subst("$PROJECT_CORE_DIR"), "platforms", "espressif32", "builder", "build_lib")
+    LIB_SOURCE = os.path.join(ProjectConfig.get_instance().get("platformio", "platforms_dir"), "espressif32", "builder", "build_lib")
     print("***** Dummy Source path:", LIB_SOURCE)
     if not bool(os.path.exists(os.path.join(PROJECT_DIR, ".dummy"))):
         shutil.copytree(LIB_SOURCE, os.path.join(PROJECT_DIR, ".dummy"))