2 files changed, 20 insertions, 6 deletions
diff --git a/nuttx/lib/stdio/lib_lowprintf.c b/nuttx/lib/stdio/lib_lowprintf.c
index e27a5021b..50a6568fb 100644
--- a/nuttx/lib/stdio/lib_lowprintf.c
+++ b/nuttx/lib/stdio/lib_lowprintf.c
@@ -111,9 +111,16 @@ int lib_lowprintf(const char *fmt, ...)
   va_list ap;
   int     ret;
 
-  va_start(ap, fmt);
-  ret= lib_lowvprintf(fmt, ap);
-  va_end(ap);
+#ifdef CONFIG_DEBUG_ENABLE
+  ret = 0;
+  if (g_dbgenable)
+#endif
+    {
+      va_start(ap, fmt);
+      ret = lib_lowvprintf(fmt, ap);
+      va_end(ap);
+    }
+
   return ret;
 }
 
diff --git a/nuttx/lib/stdio/lib_rawprintf.c b/nuttx/lib/stdio/lib_rawprintf.c
index a28e6b695..19dfa895e 100644
--- a/nuttx/lib/stdio/lib_rawprintf.c
+++ b/nuttx/lib/stdio/lib_rawprintf.c
@@ -137,8 +137,15 @@ int lib_rawprintf(const char *fmt, ...)
   va_list ap;
   int     ret;
 
-  va_start(ap, fmt);
-  ret= lib_rawvprintf(fmt, ap);
-  va_end(ap);
+#ifdef CONFIG_DEBUG_ENABLE
+  ret = 0;
+  if (g_dbgenable)
+#endif
+    {
+      va_start(ap, fmt);
+      ret = lib_rawvprintf(fmt, ap);
+      va_end(ap);
+    }
+
   return ret;
 }