5c0d311d92
- Bug fix for step and direction invert masks not immediately being in effect. Now regenerates the masks when a user changes this setting. - Bug fix for probing cycle. G-code standard mandates that there is an error if the probe is already triggered when the cycle is commanded. However, Grbl may have motions to pull off a previous probing cycle in queue and can falsely lead to errors. To fix this, the triggered check is performed within the probing cycle itself, right after the planner buffer is synced. If there is an error, it will now alarm out as a probe fail.
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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nuts_bolts.h - Header file for shared definitions, variables, and functions
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Part of Grbl
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Copyright (c) 2011-2014 Sungeun K. Jeon
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Copyright (c) 2009-2011 Simen Svale Skogsrud
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Grbl 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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Grbl 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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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef nuts_bolts_h
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#define nuts_bolts_h
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#define false 0
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#define true 1
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#define N_AXIS 3 // Number of axes
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#define X_AXIS 0 // Axis indexing value. Must start with 0 and be continuous.
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#define Y_AXIS 1
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#define Z_AXIS 2
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// #define A_AXIS 3
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#define MM_PER_INCH (25.40)
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#define INCH_PER_MM (0.0393701)
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#define TICKS_PER_MICROSECOND (F_CPU/1000000)
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// Useful macros
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#define clear_vector(a) memset(a, 0, sizeof(a))
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#define clear_vector_float(a) memset(a, 0.0, sizeof(float)*N_AXIS)
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// #define clear_vector_long(a) memset(a, 0.0, sizeof(long)*N_AXIS)
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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// Bit field and masking macros
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#define bit(n) (1 << n)
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#define bit_true_atomic(x,mask) {uint8_t sreg = SREG; cli(); (x) |= (mask); SREG = sreg; }
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#define bit_false_atomic(x,mask) {uint8_t sreg = SREG; cli(); (x) &= ~(mask); SREG = sreg; }
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#define bit_toggle_atomic(x,mask) {uint8_t sreg = SREG; cli(); (x) ^= (mask); SREG = sreg; }
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#define bit_true(x,mask) (x) |= (mask)
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#define bit_false(x,mask) (x) &= ~(mask)
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#define bit_istrue(x,mask) ((x & mask) != 0)
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#define bit_isfalse(x,mask) ((x & mask) == 0)
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// Read a floating point value from a string. Line points to the input buffer, char_counter
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// is the indexer pointing to the current character of the line, while float_ptr is
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// a pointer to the result variable. Returns true when it succeeds
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uint8_t read_float(char *line, uint8_t *char_counter, float *float_ptr);
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// Delays variable-defined milliseconds. Compiler compatibility fix for _delay_ms().
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void delay_ms(uint16_t ms);
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// Delays variable-defined microseconds. Compiler compatibility fix for _delay_us().
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void delay_us(uint32_t us);
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// Computes hypotenuse, avoiding avr-gcc's bloated version and the extra error checking.
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float hypot_f(float x, float y);
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#endif
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