diff --git a/osal/intime/osal_defs.h b/osal/intime/osal_defs.h
index 1325963..34a9e87 100644
--- a/osal/intime/osal_defs.h
+++ b/osal/intime/osal_defs.h
@@ -11,6 +11,15 @@ extern "C"
 {
 #endif
 
+// define if debug printf is needed
+//#define EC_DEBUG
+
+#ifdef EC_DEBUG
+#define EC_PRINT printf
+#else
+#define EC_PRINT(...) do {} while (0)
+#endif
+
 #ifndef PACKED
     #ifdef _MSC_VER
     #define PACKED_BEGIN __pragma(pack(push, 1))
diff --git a/osal/linux/osal_defs.h b/osal/linux/osal_defs.h
index 7140754..6ec32ef 100644
--- a/osal/linux/osal_defs.h
+++ b/osal/linux/osal_defs.h
@@ -11,6 +11,15 @@ extern "C"
 {
 #endif
 
+// define if debug printf is needed
+//#define EC_DEBUG
+
+#ifdef EC_DEBUG
+#define EC_PRINT printf
+#else
+#define EC_PRINT(...) do {} while (0)
+#endif
+
 #ifndef PACKED
 #define PACKED_BEGIN
 #define PACKED  __attribute__((__packed__))
diff --git a/osal/rtems/osal_defs.h b/osal/rtems/osal_defs.h
index 7140754..6ec32ef 100644
--- a/osal/rtems/osal_defs.h
+++ b/osal/rtems/osal_defs.h
@@ -11,6 +11,15 @@ extern "C"
 {
 #endif
 
+// define if debug printf is needed
+//#define EC_DEBUG
+
+#ifdef EC_DEBUG
+#define EC_PRINT printf
+#else
+#define EC_PRINT(...) do {} while (0)
+#endif
+
 #ifndef PACKED
 #define PACKED_BEGIN
 #define PACKED  __attribute__((__packed__))
diff --git a/osal/rtk/osal_defs.h b/osal/rtk/osal_defs.h
index c848b42..162a42e 100644
--- a/osal/rtk/osal_defs.h
+++ b/osal/rtk/osal_defs.h
@@ -11,6 +11,15 @@ extern "C"
 {
 #endif
 
+// define if debug printf is needed
+//#define EC_DEBUG
+
+#ifdef EC_DEBUG
+#define EC_PRINT printf
+#else
+#define EC_PRINT(...) do {} while (0)
+#endif
+
 #ifndef PACKED
 #define PACKED_BEGIN
 #define PACKED  __attribute__((__packed__))
diff --git a/osal/vxworks/osal_defs.h b/osal/vxworks/osal_defs.h
index 1a3310d..3aafb73 100644
--- a/osal/vxworks/osal_defs.h
+++ b/osal/vxworks/osal_defs.h
@@ -6,6 +6,15 @@
 #ifndef _osal_defs_
 #define _osal_defs_
 
+// define if debug printf is needed
+//#define EC_DEBUG
+
+#ifdef EC_DEBUG
+#define EC_PRINT printf
+#else
+#define EC_PRINT(...) do {} while (0)
+#endif
+
 #ifndef PACKED
 #define PACKED_BEGIN
 #define PACKED  __attribute__((__packed__))
diff --git a/osal/win32/osal_defs.h b/osal/win32/osal_defs.h
index d24c6a8..2587aa7 100644
--- a/osal/win32/osal_defs.h
+++ b/osal/win32/osal_defs.h
@@ -11,6 +11,15 @@ extern "C"
 {
 #endif
 
+// define if debug printf is needed
+//#define EC_DEBUG
+
+#ifdef EC_DEBUG
+#define EC_PRINT printf
+#else
+#define EC_PRINT(...) do {} while (0)
+#endif
+
 #ifndef PACKED
 #define PACKED_BEGIN __pragma(pack(push, 1))
 #define PACKED
diff --git a/soem/ethercatconfig.c b/soem/ethercatconfig.c
index 4bfc540..878e426 100644
--- a/soem/ethercatconfig.c
+++ b/soem/ethercatconfig.c
@@ -22,14 +22,6 @@
 #include "ethercatsoe.h"
 #include "ethercatconfig.h"
 
-// define if debug printf is needed
-//#define EC_DEBUG
-
-#ifdef EC_DEBUG
-#define EC_PRINT printf
-#else
-#define EC_PRINT(...) do {} while (0)
-#endif
 
 typedef struct
 {