add some features to 3steppersLB

F0:F030,F042,F072/3steppersLB/steppers.files

@@ -0,0 +1,24 @@
+adc.c
+adc.h
+buttons.c
+buttons.h
+can.c
+can.h
+commonproto.c
+commonproto.h
+custom_buttons.c
+custom_buttons.h
+flash.c
+flash.h
+hardware.c
+hardware.h
+main.c
+steppers.c
+steppers.h
+strfunct.c
+strfunct.h
+usb.c
+usb_defs.h
+usb.h
+usb_lib.c
+usb_lib.h