diff --git a/src/cw/cw.h b/src/cw/cw.h
index 17c3bbcb..d954d659 100644
--- a/src/cw/cw.h
+++ b/src/cw/cw.h
@@ -7,6 +7,11 @@
 
 #include "lw.h"
 
+/**
+ * @defgroup CW CW
+ * @{
+ */
+
 extern int cw_read_wtp_descriptor(mbag_t mbag, struct conn *conn,
 			   struct cw_action_in *a, uint8_t * data, int len);
 
@@ -16,5 +21,26 @@ extern int cw_read_wtp_descriptor_7(mbag_t mbag, struct conn *conn,
 extern int cw_read_wtp_descriptor_versions(mbag_t mbag, uint8_t * data,
 					   int len);
 
+/* Use some macros from LWAPP */
+
+/**
+ * Put a byte to an output buffer. 
+ * see #lw_put_byte 
+ */
+#define cw_put_byte lw_put_byte
+/**
+ * Put a word to an output buffee.
+ * see #lw_put_word
+ */
+#define cw_put_word lw_put_word
+#define cw_put_dword lw_put_dword
+#define cw_put_data lw_put_data
+#define cw_put_bstr lw_put_bstr
+#define cw_put_bstr16 lw_put_bstr16
+
+
+/**
+ *@}
+ */
 
 #endif