No #undef USEUSB in grbl.h
itsme65757 opened this issue · 0 comments
itsme65757 commented
Just #undef USEUSB in grbl.h after #ifdef STM32F103C8 or delete "USEUSB" in project properties -> C/C++ General -> Path and Symbols -> Symbols.
there isnt a line in the grbl.h file that i can uncomment to use uart.