Hopefully also support chips with a single UART in MarlinSerial now.

12 years ago · d3ebc34958
parent b6ff45254e
commit d3ebc34958
1 changed files with 4 additions and 0 deletions
--- a/Marlin/MarlinSerial.h
+++ b/Marlin/MarlinSerial.h
@ -35,7 +35,11 @@
 // These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor
 // requires two levels of indirection to expand macro values properly)
 #define SERIAL_REGNAME(registerbase,number,suffix) SERIAL_REGNAME_INTERNAL(registerbase,number,suffix)
+#if defined(UBRRH)
+#define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##suffix
+#else
 #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##number##suffix
+#endif

 // Registers used by MarlinSerial class (these are expanded 
 // depending on selected serial port