71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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nuts_bolts.c - Shared functions
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*/
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/**
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* Part of Grbl interpreter modified to work with Adafruit Motor Driver V2
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* File modified by Catalin Vasiliu
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* email <vasiliu.catalin.mihai@gmail.com>
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*
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*
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*
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* Original license:***********************************************************
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* Copyright (c) 2009-2011 Simen Svale Skogsrud
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* Copyright (c) 2011 Sungeun K. Jeon
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*
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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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*
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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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*/
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#include "nuts_bolts.h"
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#include <stdint.h>
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#include <stdlib.h>
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#include <util/delay.h>
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/**
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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 double_ptr is
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* a pointer to the result variable. Returns true when it succeeds
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*
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*/
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int read_double(char *line, uint8_t *char_counter, double *double_ptr)
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{
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char *start = line + *char_counter;
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char *end;
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*double_ptr = strtod(start, &end);
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if(end == start) {
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return(false);
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};
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*char_counter = end - line;
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return(true);
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}
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/**
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* Delays variable defined milliseconds. Compiler compatibility fix for _delay_ms(),
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* which only accepts constants in future compiler releases.
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*
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* @param us
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*/
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void delay_ms(uint16_t ms)
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{
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while ( ms-- ) { _delay_ms(1); }
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}
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/**
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* Delays variable defined microseconds. Compiler compatibility fix for _delay_us(),
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* which only accepts constants in future compiler releases.
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*
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*/
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void delay_us(uint16_t us)
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{
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while ( us-- ) { _delay_us(1); }
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}
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