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							92 lines
						
					
					
						
							2.5 KiB
						
					
					
				
			
		
		
	
	
							92 lines
						
					
					
						
							2.5 KiB
						
					
					
				| /**
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|  * Marlin 3D Printer Firmware
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|  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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|  *
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|  * Based on Sprinter and grbl.
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|  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  */
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| 
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| #ifndef MACROS_H
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| #define MACROS_H
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| 
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| // Macros to make a string from a macro
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| #define STRINGIFY_(M) #M
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| #define STRINGIFY(M) STRINGIFY_(M)
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| 
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| // Macros for bit masks
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| #define TEST(n,b) (((n)&_BV(b))!=0)
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| #define SBI(n,b) (n |= _BV(b))
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| #define CBI(n,b) (n &= ~_BV(b))
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| #define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))
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| 
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| // Macros for maths shortcuts
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| #define RADIANS(d) ((d)*M_PI/180.0)
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| #define DEGREES(r) ((r)*180.0/M_PI)
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| 
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| // Macros to contrain values
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| #define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
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| #define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
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| 
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| // Macros to support option testing
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| #define _CAT(a, ...) a ## __VA_ARGS__
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| #define SWITCH_ENABLED_false 0
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| #define SWITCH_ENABLED_true  1
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| #define SWITCH_ENABLED_0     0
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| #define SWITCH_ENABLED_1     1
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| #define SWITCH_ENABLED_      1
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| #define ENABLED(b) _CAT(SWITCH_ENABLED_, b)
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| #define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
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| 
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| #define NUMERIC(a) ((a) >= '0' && '9' >= (a))
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| #define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
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| #define COUNT(a) (sizeof(a)/sizeof(*a))
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| 
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| // Macros for adding
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| #define INC_0 1
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| #define INC_1 2
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| #define INC_2 3
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| #define INC_3 4
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| #define INC_4 5
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| #define INC_5 6
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| #define INC_6 7
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| #define INC_7 8
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| #define INC_8 9
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| #define INCREMENT_(n) INC_ ##n
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| #define INCREMENT(n) INCREMENT_(n)
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| 
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| // Macros for subtracting
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| #define DEC_1 0
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| #define DEC_2 1
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| #define DEC_3 2
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| #define DEC_4 3
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| #define DEC_5 4
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| #define DEC_6 5
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| #define DEC_7 6
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| #define DEC_8 7
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| #define DEC_9 8
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| #define DECREMENT_(n) DEC_ ##n
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| #define DECREMENT(n) DECREMENT_(n)
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| 
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| #define PIN_EXISTS(PN) (defined(PN ##_PIN) && PN ##_PIN >= 0)
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| 
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| #define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
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| #define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
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| 
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| #define NOOP do{}while(0)
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| 
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| #endif //__MACROS_H
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