#define debug(s) if(debug_enable) print_P(PSTR(s))
+#define debug_P(s) if(debug_enable) print_P(s)
+#define debug_S(s) if(debug_enable) print_S(s)
#define debug_hex(c) if(debug_enable) phex(c)
#define debug_hex16(i) if(debug_enable) phex16(i)
#define debug_bin(c) if(debug_enable) pbin(c)