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226 lines
6.9 KiB
226 lines
6.9 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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#ifndef MACROS_H
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#define MACROS_H
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#define NUM_AXIS 4
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#define XYZE 4
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#define ABC 3
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#define XYZ 3
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#define _XMIN_ 100
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#define _YMIN_ 200
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#define _ZMIN_ 300
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#define _XMAX_ 101
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#define _YMAX_ 201
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#define _ZMAX_ 301
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#define FORCE_INLINE __attribute__((always_inline)) inline
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#define _UNUSED __attribute__((unused))
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#define _O0 __attribute__((optimize("O0")))
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#define _Os __attribute__((optimize("Os")))
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#define _O1 __attribute__((optimize("O1")))
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#define _O2 __attribute__((optimize("O2")))
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#define _O3 __attribute__((optimize("O3")))
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// Bracket code that shouldn't be interrupted
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#ifndef CRITICAL_SECTION_START
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#define CRITICAL_SECTION_START unsigned char _sreg = SREG; cli();
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#define CRITICAL_SECTION_END SREG = _sreg;
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#endif
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// Clock speed factors
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#define CYCLES_PER_MICROSECOND (F_CPU / 1000000L) // 16 or 20
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#define INT0_PRESCALER 8
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// Highly granular delays for step pulses, etc.
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#define DELAY_0_NOP NOOP
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#define DELAY_1_NOP __asm__("nop\n\t")
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#define DELAY_2_NOP DELAY_1_NOP; DELAY_1_NOP
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#define DELAY_3_NOP DELAY_1_NOP; DELAY_2_NOP
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#define DELAY_4_NOP DELAY_1_NOP; DELAY_3_NOP
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#define DELAY_5_NOP DELAY_1_NOP; DELAY_4_NOP
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#define DELAY_NOPS(X) \
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switch (X) { \
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case 20: DELAY_1_NOP; case 19: DELAY_1_NOP; \
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case 18: DELAY_1_NOP; case 17: DELAY_1_NOP; \
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case 16: DELAY_1_NOP; case 15: DELAY_1_NOP; \
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case 14: DELAY_1_NOP; case 13: DELAY_1_NOP; \
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case 12: DELAY_1_NOP; case 11: DELAY_1_NOP; \
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case 10: DELAY_1_NOP; case 9: DELAY_1_NOP; \
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case 8: DELAY_1_NOP; case 7: DELAY_1_NOP; \
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case 6: DELAY_1_NOP; case 5: DELAY_1_NOP; \
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case 4: DELAY_1_NOP; case 3: DELAY_1_NOP; \
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case 2: DELAY_1_NOP; case 1: DELAY_1_NOP; \
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}
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#define DELAY_10_NOP DELAY_5_NOP; DELAY_5_NOP
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#define DELAY_20_NOP DELAY_10_NOP; DELAY_10_NOP
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#if CYCLES_PER_MICROSECOND == 16
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#define DELAY_1US DELAY_10_NOP; DELAY_5_NOP; DELAY_1_NOP
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#else
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#define DELAY_1US DELAY_20_NOP
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#endif
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#define DELAY_2US DELAY_1US; DELAY_1US
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#define DELAY_3US DELAY_1US; DELAY_2US
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#define DELAY_4US DELAY_1US; DELAY_3US
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#define DELAY_5US DELAY_1US; DELAY_4US
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#define DELAY_6US DELAY_1US; DELAY_5US
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#define DELAY_7US DELAY_1US; DELAY_6US
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#define DELAY_8US DELAY_1US; DELAY_7US
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#define DELAY_9US DELAY_1US; DELAY_8US
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#define DELAY_10US DELAY_1US; DELAY_9US
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// Remove compiler warning on an unused variable
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#define UNUSED(x) (void) (x)
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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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// 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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// Macro to check that a number if a power if 2
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#define IS_POWER_OF_2(x) ((x) && !((x) & ((x) - 1)))
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// Macros for maths shortcuts
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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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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#define HYPOT2(x,y) (sq(x)+sq(y))
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#define CIRCLE_AREA(R) (M_PI * sq(R))
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#define CIRCLE_CIRC(R) (2.0 * M_PI * (R))
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#define SIGN(a) ((a>0)-(a<0))
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#define IS_POWER_OF_2(x) ((x) && !((x) & ((x) - 1)))
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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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// 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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#define WITHIN(V,L,H) ((V) >= (L) && (V) <= (H))
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#define NUMERIC(a) WITHIN(a, '0', '9')
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#define DECIMAL(a) (NUMERIC(a) || a == '.')
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#define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-' || (a) == '+')
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#define DECIMAL_SIGNED(a) (DECIMAL(a) || (a) == '-' || (a) == '+')
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#define COUNT(a) (sizeof(a)/sizeof(*a))
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#define ZERO(a) memset(a,0,sizeof(a))
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#define COPY(a,b) memcpy(a,b,min(sizeof(a),sizeof(b)))
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// Macros for initializing arrays
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#define ARRAY_6(v1, v2, v3, v4, v5, v6, ...) { v1, v2, v3, v4, v5, v6 }
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#define ARRAY_5(v1, v2, v3, v4, v5, ...) { v1, v2, v3, v4, v5 }
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#define ARRAY_4(v1, v2, v3, v4, ...) { v1, v2, v3, v4 }
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#define ARRAY_3(v1, v2, v3, ...) { v1, v2, v3 }
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#define ARRAY_2(v1, v2, ...) { v1, v2 }
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#define ARRAY_1(v1, ...) { v1 }
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#define _ARRAY_N(N, ...) ARRAY_ ##N(__VA_ARGS__)
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#define ARRAY_N(N, ...) _ARRAY_N(N, __VA_ARGS__)
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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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// 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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#define PIN_EXISTS(PN) (defined(PN ##_PIN) && PN ##_PIN >= 0)
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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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#define MMM_TO_MMS(MM_M) ((MM_M)/60.0)
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#define MMS_TO_MMM(MM_S) ((MM_S)*60.0)
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#define NOOP do{} while(0)
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#define CEILING(x,y) (((x) + (y) - 1) / (y))
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#define MIN3(a, b, c) min(min(a, b), c)
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#define MIN4(a, b, c, d) min(MIN3(a, b, c), d)
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#define MIN5(a, b, c, d, e) min(MIN4(a, b, c, d), e)
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#define MAX3(a, b, c) max(max(a, b), c)
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#define MAX4(a, b, c, d) max(MAX3(a, b, c), d)
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#define MAX5(a, b, c, d, e) max(MAX4(a, b, c, d), e)
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#define UNEAR_ZERO(x) ((x) < 0.000001)
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#define NEAR_ZERO(x) WITHIN(x, -0.000001, 0.000001)
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#define NEAR(x,y) NEAR_ZERO((x)-(y))
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#define RECIPROCAL(x) (NEAR_ZERO(x) ? 0.0 : 1.0 / (x))
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#define FIXFLOAT(f) (f + 0.00001)
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//
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// Maths macros that can be overridden by HAL
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//
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#define ATAN2(y, x) atan2(y, x)
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#define FABS(x) fabs(x)
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#define POW(x, y) pow(x, y)
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#define SQRT(x) sqrt(x)
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#define CEIL(x) ceil(x)
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#define FLOOR(x) floor(x)
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#define LROUND(x) lround(x)
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#define FMOD(x, y) fmod(x, y)
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#define HYPOT(x,y) SQRT(HYPOT2(x,y))
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#endif //__MACROS_H
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