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Util.pde
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Util.pde
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/*
Copyright (C) 2009, 2010 Matt Reba, Jeremiah Dillingham
This file is part of BrewTroller.
BrewTroller 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.
BrewTroller 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 BrewTroller. If not, see <http://www.gnu.org/licenses/>.
BrewTroller - Open Source Brewing Computer
Software Lead: Matt Reba (matt_AT_brewtroller_DOT_com)
Hardware Lead: Jeremiah Dillingham (jeremiah_AT_brewtroller_DOT_com)
Documentation, Forums and more information available at http://www.brewtroller.com
*/
#include "HWProfile.h"
//Converts a "Virtual Float" (fixed deciaml value represented in tenths, hundredths, thousandths, etc.) to a string
void vftoa(unsigned long val, char retStr[], byte precision) {
char lbuf[11];
unsigned int mult = 1;
for(byte i = 0; i< precision; i++) mult *=10;
unsigned long whole = val / mult;
itoa(whole, retStr, 10);
strcat(retStr, ".");
itoa(val - whole * mult, lbuf, 10);
strcat(retStr, lbuf);
for (byte i = 0; i < precision - strlen(lbuf); i++) strcat(retStr, "0");
}
//Truncate a string representation of a float to (length) chars but do not end string with a decimal point
void truncFloat(char string[], byte length) {
if (strlen(string) > length) {
if (string[length - 1] == '.') string[length - 1] = '\0';
else string[length] = '\0';
}
}