kopia lustrzana https://github.com/gnea/grbl
69 wiersze
2.3 KiB
C
69 wiersze
2.3 KiB
C
/*
|
|
nuts_bolts.h - Header file for shared definitions, variables, and functions
|
|
Part of Grbl
|
|
|
|
Copyright (c) 2011-2014 Sungeun K. Jeon
|
|
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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef nuts_bolts_h
|
|
#define nuts_bolts_h
|
|
|
|
#define false 0
|
|
#define true 1
|
|
|
|
#define N_AXIS 3 // Number of axes
|
|
#define X_AXIS 0 // Axis indexing value. Must start with 0 and be continuous.
|
|
#define Y_AXIS 1
|
|
#define Z_AXIS 2
|
|
|
|
#define MM_PER_INCH (25.40)
|
|
#define INCH_PER_MM (0.0393701)
|
|
|
|
#define TICKS_PER_MICROSECOND (F_CPU/1000000)
|
|
|
|
// Useful macros
|
|
#define clear_vector(a) memset(a, 0, sizeof(a))
|
|
#define clear_vector_float(a) memset(a, 0.0, sizeof(float)*N_AXIS)
|
|
// #define clear_vector_long(a) memset(a, 0.0, sizeof(long)*N_AXIS)
|
|
#define max(a,b) (((a) > (b)) ? (a) : (b))
|
|
#define min(a,b) (((a) < (b)) ? (a) : (b))
|
|
|
|
// Bit field and masking macros
|
|
#define bit(n) (1 << n)
|
|
#define bit_true(x,mask) (x |= mask)
|
|
#define bit_false(x,mask) (x &= ~mask)
|
|
#define bit_toggle(x,mask) (x ^= mask)
|
|
#define bit_istrue(x,mask) ((x & mask) != 0)
|
|
#define bit_isfalse(x,mask) ((x & mask) == 0)
|
|
|
|
// Read a floating point value from a string. Line points to the input buffer, char_counter
|
|
// is the indexer pointing to the current character of the line, while float_ptr is
|
|
// a pointer to the result variable. Returns true when it succeeds
|
|
uint8_t read_float(char *line, uint8_t *char_counter, float *float_ptr);
|
|
|
|
// Delays variable-defined milliseconds. Compiler compatibility fix for _delay_ms().
|
|
void delay_ms(uint16_t ms);
|
|
|
|
// Delays variable-defined microseconds. Compiler compatibility fix for _delay_us().
|
|
void delay_us(uint32_t us);
|
|
|
|
uint8_t get_direction_mask(uint8_t i);
|
|
|
|
float hypot_f(float x, float y);
|
|
|
|
#endif
|