make new error

[flynneva]

trying to get this up and running on my ubuntu 20.04 workstation and seeing a build error.

ive cloned this repo into the grbl/grbl/ source directory as specified in the instructions and still am seeing this error.

any advice?

grbl_interface.c: In function ‘print_steps’:
grbl_interface.c:84:6: error: ‘SPINDLE_TCCRA_REGISTER’ undeclared (first use in this function); did you mean ‘TCCRA_REGISTER’?
   84 |   if(SPINDLE_TCCRA_REGISTER >= 127) ocr = SPINDLE_OCR_REGISTER;
      |      ^~~~~~~~~~~~~~~~~~~~~~
      |      TCCRA_REGISTER
grbl_interface.c:84:6: note: each undeclared identifier is reported only once for each function it appears in
grbl_interface.c:84:43: error: ‘SPINDLE_OCR_REGISTER’ undeclared (first use in this function)
   84 |   if(SPINDLE_TCCRA_REGISTER >= 127) ocr = SPINDLE_OCR_REGISTER;
      |                                           ^~~~~~~~~~~~~~~~~~~~
grbl_interface.c:94:75: error: ‘sys_position’ undeclared (first use in this function); did you mean ‘block_position’?
   94 |      fprintf(args.step_out_file, "%12.5f %d, %d, %d, %d\n", sim.sim_time, sys_position[X_AXIS], sys_position[Y_AXIS], sys_position[Z_AXIS],ocr);
      |                                                                           ^~~~~~~~~~~~
      |                                                                           block_position
make: *** [Makefile:64: grbl_interface.o] Error 1

[flynneva]

fixed with #24