Sanity check for SERIAL_PORT

Addressing #7400
2018-02-09 00:41:39 -06:00
parent 4300547c66
commit ad323d852e
1 changed files with 4 additions and 0 deletions
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -283,6 +283,10 @@
  #error "SERIAL_XON_XOFF and SERIAL_STATS_* features not supported on USB-native AVR devices."
 #endif

+#if SERIAL_PORT > 7
+  #error "Set SERIAL_PORT to the port on your board. Usually this is 0."
+#endif
+
 /**
 * Dual Stepper Drivers
 */