/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package kfl;
/**
* calculate 'real' value for sigma delta ADC with NTC.
*/
public class Temp {
private static int[] tab; // starts with -55o C for real value
public static void init() {
int[] x = { -1,
17287,
17296,
17307,
17322,
17342,
17369,
17405,
17450,
17510,
17586,
17684,
17806,
17958,
18145,
18373,
18650,
18994,
19397,
19887,
20470,
21162,
21976,
22927,
24036,
25315,
26792,
28510,
30485,
32747,
35329,
38237,
41527,
45218,
49364,
};
tab = x;
}
public static int calc(int val) {
int i, t;
int x, y;
t = -60;
for (i=0; val>tab[i]; ++i) {
t += 5;
}
x = val-tab[i];
y = tab[i+1] - tab[i];
t += 5*x/y;
return t;
}
}