4 år sedan · 3ccb3801f2
--- a/Marlin/src/HAL/SAMD51/HAL.h
+++ b/Marlin/src/HAL/SAMD51/HAL.h
@@ -35,7 +35,8 @@
 
				
				 
			
 
				
				   // MYSERIAL0 required before MarlinSerial includes!
			
 
				
				 
			
 
				
				-  #define _MSERIAL(X) Serial##X
			
 
				
				+  #define __MSERIAL(X) Serial##X
			
 
				
				+  #define _MSERIAL(X) __MSERIAL(X)
			
 
				
				   #define MSERIAL(X) _MSERIAL(INCREMENT(X))
			
 
				
				 
			
 
				
				   #if SERIAL_PORT == -1