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/*
* Copyright © 2012 Keith Packard <keithp@keithp.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; version 2 of the License.
*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_4;
import java.util.concurrent.*;
public class AltosMs5607 {
public int reserved;
public int sens;
public int off;
public int tcs;
public int tco;
public int tref;
public int tempsens;
public int crc;
public int raw_pres;
public int raw_temp;
public int pa;
public int cc;
static final boolean ms5611 = false;
void convert() {
int dT;
int TEMP;
long OFF;
long SENS;
//int P;
dT = raw_temp - ((int) tref << 8);
TEMP = (int) (2000 + (((long) dT * (long) tempsens) >> 23));
if (ms5611) {
OFF = ((long) off << 16) + (((long) tco * (long) dT) >> 7);
SENS = ((long) sens << 15) + (((long) tcs * (long) dT) >> 8);
} else {
OFF = ((long) off << 17) + (((long) tco * (long) dT) >> 6);
SENS = ((long) sens << 16) + (((long) tcs * (long) dT) >> 7);
}
if (TEMP < 2000) {
int T2 = (int) (((long) dT * (long) dT) >> 31);
int TEMPM = TEMP - 2000;
long OFF2 = ((long) 61 * (long) TEMPM * (long) TEMPM) >> 4;
long SENS2 = (long) 2 * (long) TEMPM * (long) TEMPM;
if (TEMP < 1500) {
int TEMPP = TEMP + 1500;
long TEMPP2 = (long) TEMPP * (long) TEMPP;
OFF2 = OFF2 + 15 * TEMPP2;
SENS2 = SENS2 + 8 * TEMPP2;
}
TEMP -= T2;
OFF -= OFF2;
SENS -= SENS2;
}
pa = (int) (((((long) raw_pres * SENS) >> 21) - OFF) >> 15);
cc = TEMP;
}
public int set(int in_pres, int in_temp) {
raw_pres = in_pres;
raw_temp = in_temp;
convert();
return pa;
}
public boolean parse_line(String line) {
String[] items = line.split("\\s+");
if (line.startsWith("Pressure:")) {
if (items.length >= 2) {
raw_pres = Integer.parseInt(items[1]);
}
} else if (line.startsWith("Temperature:")) {
if (items.length >= 2)
raw_temp = Integer.parseInt(items[1]);
} else if (line.startsWith("ms5607 reserved:")) {
if (items.length >= 3)
reserved = Integer.parseInt(items[2]);
} else if (line.startsWith("ms5607 sens:")) {
if (items.length >= 3) {
sens = Integer.parseInt(items[2]);
}
} else if (line.startsWith("ms5607 off:")) {
if (items.length >= 3)
off = Integer.parseInt(items[2]);
} else if (line.startsWith("ms5607 tcs:")) {
if (items.length >= 3)
tcs = Integer.parseInt(items[2]);
} else if (line.startsWith("ms5607 tco:")) {
if (items.length >= 3)
tco = Integer.parseInt(items[2]);
} else if (line.startsWith("ms5607 tref:")) {
if (items.length >= 3)
tref = Integer.parseInt(items[2]);
} else if (line.startsWith("ms5607 tempsens:")) {
if (items.length >= 3)
tempsens = Integer.parseInt(items[2]);
} else if (line.startsWith("ms5607 crc:")) {
if (items.length >= 3)
crc = Integer.parseInt(items[2]);
} else if (line.startsWith("Altitude:")) {
return false;
}
return true;
}
static public void update_state(AltosState state, AltosLink link, AltosConfigData config_data) throws InterruptedException {
try {
AltosMs5607 ms5607 = new AltosMs5607(link);
if (ms5607 != null) {
state.set_ms5607(ms5607);
return;
}
} catch (TimeoutException te) {
}
}
public AltosMs5607() {
raw_pres = AltosLib.MISSING;
raw_temp = AltosLib.MISSING;
pa = AltosLib.MISSING;
cc = AltosLib.MISSING;
}
public AltosMs5607 (AltosLink link) throws InterruptedException, TimeoutException {
this();
link.printf("c s\nB\n");
for (;;) {
String line = link.get_reply_no_dialog(5000);
if (line == null) {
throw new TimeoutException();
}
if (!parse_line(line)) {
break;
}
}
convert();
}
}
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