Arduino: 1.8.13 (Windows 10), Board: "Original Prusa i3 MK3 Multi Material 2.0 upgrade"

C:\Users\rmilyard\AppData\Local\Temp\ccb7Y1Ma.ltrans0.ltrans.o: In function `tmc2130_rx':

sketch/tmc2130.c:320: undefined reference to `tmc2130_cs_low'

sketch/tmc2130.c:321: undefined reference to `spi_txrx'

sketch/tmc2130.c:322: undefined reference to `spi_txrx'

sketch/tmc2130.c:323: undefined reference to `spi_txrx'

sketch/tmc2130.c:324: undefined reference to `spi_txrx'

sketch/tmc2130.c:325: undefined reference to `spi_txrx'

sketch/tmc2130.c:326: undefined reference to `tmc2130_cs_high'

sketch/tmc2130.c:330: undefined reference to `tmc2130_cs_low'

sketch/tmc2130.c:331: undefined reference to `spi_txrx'

sketch/tmc2130.c:333: undefined reference to `spi_txrx'

sketch/tmc2130.c:334: undefined reference to `spi_txrx'

sketch/tmc2130.c:335: undefined reference to `spi_txrx'

sketch/tmc2130.c:336: undefined reference to `spi_txrx'

sketch/tmc2130.c:337: undefined reference to `tmc2130_cs_high'

C:\Users\rmilyard\AppData\Local\Temp\ccb7Y1Ma.ltrans0.ltrans.o: In function `tmc2130_tx':

sketch/tmc2130.c:306: undefined reference to `tmc2130_cs_low'

sketch/tmc2130.c:307: undefined reference to `spi_txrx'

sketch/tmc2130.c:308: undefined reference to `spi_txrx'

sketch/tmc2130.c:309: undefined reference to `spi_txrx'

sketch/tmc2130.c:310: undefined reference to `spi_txrx'

sketch/tmc2130.c:311: undefined reference to `spi_txrx'

sketch/tmc2130.c:312: undefined reference to `tmc2130_cs_high'

C:\Users\rmilyard\AppData\Local\Temp\ccb7Y1Ma.ltrans0.ltrans.o: In function `tmc2130_init_axis_current_normal':

sketch/tmc2130.c:218: undefined reference to `__res'

C:\Users\rmilyard\AppData\Local\Temp\ccb7Y1Ma.ltrans0.ltrans.o: In function `tmc2130_init_axis_current_stealth':

sketch/tmc2130.c:205: undefined reference to `__res'

C:\Users\rmilyard\AppData\Local\Temp\ccb7Y1Ma.ltrans0.ltrans.o: In function `tmc2130_init':

sketch/tmc2130.c:247: undefined reference to `selector_step_pin_init'

sketch/tmc2130.c:248: undefined reference to `pulley_step_pin_init'

sketch/tmc2130.c:249: undefined reference to `idler_step_pin_init'

sketch/tmc2130.c:250: undefined reference to `selector_step_pin_reset'

sketch/tmc2130.c:251: undefined reference to `pulley_step_pin_reset'

sketch/tmc2130.c:252: undefined reference to `idler_step_pin_reset'

collect2.exe: error: ld returned 1 exit status

exit status 1

Error compiling for board Original Prusa i3 MK3 Multi Material 2.0 upgrade.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.