/*
print.c - Functions for formatting output strings
Part of Grbl
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 .
*/
/* This code was initially inspired by the wiring_serial module by David A. Mellis which
used to be a part of the Arduino project. */
#include
#include
#include "serial.h"
void printString(const char *s)
{
while (*s)
serial_write(*s++);
}
// Print a string stored in PGM-memory
void printPgmString(const char *s)
{
char c;
while ((c = pgm_read_byte_near(s++)))
serial_write(c);
}
void printIntegerInBase(unsigned long n, unsigned long base)
{
unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars.
unsigned long i = 0;
if (n == 0) {
serial_write('0');
return;
}
while (n > 0) {
buf[i++] = n % base;
n /= base;
}
for (; i > 0; i--)
serial_write(buf[i - 1] < 10 ?
'0' + buf[i - 1] :
'A' + buf[i - 1] - 10);
}
void printInteger(long n)
{
if (n < 0) {
serial_write('-');
n = -n;
}
printIntegerInBase(n, 10);
}
void printFloat(double n)
{
double integer_part, fractional_part;
fractional_part = modf(n, &integer_part);
printInteger(integer_part);
serial_write('.');
printInteger(round(fractional_part*1000));
}