/*
- * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ * Copyright © 2017 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.
+ * the Free Software Foundation, either version 2 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, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib;
+package org.altusmetrum.altoslib_14;
+
+public abstract class AltosEepromRecord implements Comparable<AltosEepromRecord> {
+
+ AltosEeprom eeprom;
+
+ int wide_tick;
+
+ final int start;
+ final int length;
+
+ public final static int header_length = 4;
+
+ public int cmd() {
+ return eeprom.data8(start);
+ }
+
+ public int tick() {
+ return eeprom.data16(start+2);
+ }
+
+ public int data8(int i) {
+ i += start + header_length;
+ return eeprom.data8(i);
+ }
-import java.text.*;
+ public int data16(int i) {
+ return ((data8(i) | (data8(i+1) << 8)) << 16) >> 16;
+ }
-public class AltosEepromRecord {
- public int cmd;
- public int tick;
- public int a;
- public int b;
- public String data;
- public boolean tick_valid;
+ public int data24(int i) {
+ return data8(i) | (data8(i+1) << 8) | (data8(i+2) << 16);
+ }
- public static final int record_length = 8;
+ public int data32(int i) {
+ return data8(i) | (data8(i+1) << 8) | (data8(i+2) << 16) | (data8(i+3) << 24);
+ }
- public AltosEepromRecord (AltosEepromChunk chunk, int start) throws ParseException {
+ public boolean empty(int s) {
+ for (int i = 0; i < length; i++)
+ if (eeprom.data8(s + i) != 0xff)
+ return false;
+ return true;
+ }
- cmd = chunk.data(start);
- tick_valid = true;
+ public boolean valid(int s) {
+ int ck = AltosConvert.checksum(eeprom.data, s, length);
- tick_valid = !chunk.erased(start, record_length);
- if (tick_valid) {
- if (AltosConvert.checksum(chunk.data, start, record_length) != 0)
- throw new ParseException(String.format("invalid checksum at 0x%x",
- chunk.address + start), 0);
- } else {
- cmd = AltosLib.AO_LOG_INVALID;
+ if (ck != 0) {
+ ++eeprom.errors;
+ System.out.printf("invalid checksum 0x%x at 0x%x\n", ck, s);
+ return false;
}
+ return true;
+ }
+
+ public boolean valid() {
+ return valid(start);
+ }
- tick = chunk.data16(start + 2);
- a = chunk.data16(start + 4);
- b = chunk.data16(start + 6);
+ private int cmdi() {
+ if (cmd() == AltosLib.AO_LOG_FLIGHT)
+ return 0;
+ return 1;
+ }
- data = null;
+ public AltosConfigData config_data() {
+ return eeprom.config_data();
}
- public AltosEepromRecord (String line) {
- tick_valid = false;
- tick = 0;
- a = 0;
- b = 0;
- data = null;
- if (line == null) {
- cmd = AltosLib.AO_LOG_INVALID;
- data = "";
- } else {
- try {
- String[] tokens = line.split("\\s+");
-
- if (tokens[0].length() == 1) {
- if (tokens.length != 4) {
- cmd = AltosLib.AO_LOG_INVALID;
- data = line;
- } else {
- cmd = tokens[0].codePointAt(0);
- tick = Integer.parseInt(tokens[1],16);
- tick_valid = true;
- a = Integer.parseInt(tokens[2],16);
- b = Integer.parseInt(tokens[3],16);
- }
- } else if (tokens[0].equals("Config") && tokens[1].equals("version:")) {
- cmd = AltosLib.AO_LOG_CONFIG_VERSION;
- data = tokens[2];
- } else if (tokens[0].equals("Main") && tokens[1].equals("deploy:")) {
- cmd = AltosLib.AO_LOG_MAIN_DEPLOY;
- a = Integer.parseInt(tokens[2]);
- } else if (tokens[0].equals("Apogee") && tokens[1].equals("delay:")) {
- cmd = AltosLib.AO_LOG_APOGEE_DELAY;
- a = Integer.parseInt(tokens[2]);
- } else if (tokens[0].equals("Radio") && tokens[1].equals("channel:")) {
- cmd = AltosLib.AO_LOG_RADIO_CHANNEL;
- a = Integer.parseInt(tokens[2]);
- } else if (tokens[0].equals("Callsign:")) {
- cmd = AltosLib.AO_LOG_CALLSIGN;
- data = tokens[1].replaceAll("\"","");
- } else if (tokens[0].equals("Accel") && tokens[1].equals("cal")) {
- cmd = AltosLib.AO_LOG_ACCEL_CAL;
- a = Integer.parseInt(tokens[3]);
- b = Integer.parseInt(tokens[5]);
- } else if (tokens[0].equals("Radio") && tokens[1].equals("cal:")) {
- cmd = AltosLib.AO_LOG_RADIO_CAL;
- a = Integer.parseInt(tokens[2]);
- } else if (tokens[0].equals("Max") && tokens[1].equals("flight") && tokens[2].equals("log:")) {
- cmd = AltosLib.AO_LOG_MAX_FLIGHT_LOG;
- a = Integer.parseInt(tokens[3]);
- } else if (tokens[0].equals("manufacturer")) {
- cmd = AltosLib.AO_LOG_MANUFACTURER;
- data = tokens[1];
- } else if (tokens[0].equals("product")) {
- cmd = AltosLib.AO_LOG_PRODUCT;
- data = tokens[1];
- } else if (tokens[0].equals("serial-number")) {
- cmd = AltosLib.AO_LOG_SERIAL_NUMBER;
- a = Integer.parseInt(tokens[1]);
- } else if (tokens[0].equals("log-format")) {
- cmd = AltosLib.AO_LOG_LOG_FORMAT;
- a = Integer.parseInt(tokens[1]);
- } else if (tokens[0].equals("software-version")) {
- cmd = AltosLib.AO_LOG_SOFTWARE_VERSION;
- data = tokens[1];
- } else {
- cmd = AltosLib.AO_LOG_INVALID;
- data = line;
- }
- } catch (NumberFormatException ne) {
- cmd = AltosLib.AO_LOG_INVALID;
- data = line;
- }
+ public int compareTo(AltosEepromRecord o) {
+ int cmd_diff = cmdi() - o.cmdi();
+
+ if (cmd_diff != 0)
+ return cmd_diff;
+
+ int tick_diff = wide_tick - o.wide_tick;
+
+ if (tick_diff != 0)
+ return tick_diff;
+ return start - o.start;
+ }
+
+ /* AltosDataProvider */
+ public void provide_data(AltosDataListener listener, AltosCalData cal_data) {
+ listener.set_tick(tick());
+ if (cmd() == AltosLib.AO_LOG_FLIGHT)
+ cal_data.set_boost_tick();
+ listener.set_time(cal_data.time());
+
+ /* Flush any pending GPS changes */
+ if (!AltosLib.is_gps_cmd(cmd())) {
+ AltosGPS gps = listener.temp_gps();
+ if (gps != null)
+ listener.set_gps(gps, true, true);
}
}
- public AltosEepromRecord(int in_cmd, int in_tick, int in_a, int in_b) {
- tick_valid = true;
- cmd = in_cmd;
- tick = in_tick;
- a = in_a;
- b = in_b;
+ public int next_start() {
+ int s = start + length;
+
+ while (s + length <= eeprom.data.size()) {
+ if (!empty(s) && valid(s))
+ return s;
+ s += length;
+ }
+ return -1;
+ }
+
+ public abstract AltosEepromRecord next();
+
+ public AltosEepromRecord(AltosEeprom eeprom, int start, int length) {
+ this.eeprom = eeprom;
+ this.start = start;
+ this.length = length;
}
}