altosdroid: Fix offline map messages to match new meanings
[fw/altos] / altoslib / AltosEepromRecord.java
index c7ced6a3d0cd18db6e75cc645b8adc7d15be4be2..22cb8f894b2f7d73ac5078032b09026304d01b06 100644 (file)
 /*
- * 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_13;
+
+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);
                }
        }
 
-       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;
        }
 }