Apply TMC UART to STM32, simplify

2021-03-25 16:49:04 -05:00
parent 84b961cb20
commit 704b8cd83c
3 changed files with 31 additions and 18 deletions
--- a/Marlin/src/HAL/DUE/MarlinSerial.cpp
+++ b/Marlin/src/HAL/DUE/MarlinSerial.cpp
@ -476,7 +476,7 @@ void MarlinSerial<Cfg>::flushTX() {


 // If not using the USB port as serial port
-#if SERIAL_PORT >= 0
+#if defined(SERIAL_PORT) && SERIAL_PORT >= 0
  template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT> >;
  MSerialT customizedSerial1(MarlinSerialCfg<SERIAL_PORT>::EMERGENCYPARSER);
 #endif