/* motion_control.h - cartesian robot controller. Part of Grbl Copyright (c) 2009-2011 Simen Svale Skogsrud Grbl is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Grbl is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Grbl. If not, see . */ #ifndef nuts_bolts_h #define nuts_bolts_h #include #define ONE_MINUTE_OF_MICROSECONDS 60000000.0 #define TICKS_PER_MICROSECOND (F_CPU/1000000) #define max(a,b) (((a) > (b)) ? (a) : (b)) #define min(a,b) (((a) < (b)) ? (a) : (b)) #define FALSE 0 #define TRUE 1 // Decide the sign of a value #define signof(a) (((a)>0) ? 1 : (((a)<0) ? -1 : 0)) #define clear_vector(a) memset(a, 0, sizeof(a)) #define X_AXIS 0 #define Y_AXIS 1 #define Z_AXIS 2 #endif