2 * Copyright © 2011 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 package org.altusmetrum.altoslib_11;
22 import java.util.concurrent.*;
24 public class AltosEepromChunk {
26 public static final int chunk_size = 256;
27 public static final int per_line = 8;
31 public ParseException parse_exception = null;
33 int[] ParseHex(String line) {
34 String[] tokens = line.split("\\s+");
35 int[] array = new int[tokens.length];
37 for (int i = 0; i < tokens.length; i++)
39 array[i] = Integer.parseInt(tokens[i], 16);
40 } catch (NumberFormatException ne) {
46 public int data(int offset) {
50 public int data16(int offset) {
51 return data[offset] | (data[offset + 1] << 8);
54 public int data32(int offset) {
55 return data[offset] | (data[offset + 1] << 8) |
56 (data[offset+2] << 16) | (data[offset+3] << 24);
59 public boolean erased(int start, int len) {
60 for (int i = 0; i < len; i++)
61 if (data[start+i] != 0xff)
66 public AltosEeprom eeprom(int offset, int log_format, AltosState state) throws ParseException {
67 AltosEeprom eeprom = null;
69 case AltosLib.AO_LOG_FORMAT_FULL:
70 eeprom = new AltosEepromTM(this, offset);
72 case AltosLib.AO_LOG_FORMAT_TINY:
73 eeprom = new AltosEepromTMini(this, offset, state);
75 case AltosLib.AO_LOG_FORMAT_TELEMETRY:
76 case AltosLib.AO_LOG_FORMAT_TELESCIENCE:
78 case AltosLib.AO_LOG_FORMAT_TELEMEGA:
79 case AltosLib.AO_LOG_FORMAT_TELEMEGA_OLD:
80 eeprom = new AltosEepromMega(this, offset, log_format);
82 case AltosLib.AO_LOG_FORMAT_TELEMETRUM:
83 eeprom = new AltosEepromMetrum2(this, offset);
85 case AltosLib.AO_LOG_FORMAT_TELEMINI:
86 case AltosLib.AO_LOG_FORMAT_EASYMINI:
87 eeprom = new AltosEepromMini(this, offset);
89 case AltosLib.AO_LOG_FORMAT_TELEGPS:
90 eeprom = new AltosEepromGPS(this, offset);
93 throw new ParseException("unknown eeprom format " + log_format, 0);
98 public AltosEepromChunk(AltosLink link, int block, boolean flush)
99 throws TimeoutException, InterruptedException {
103 data = new int[chunk_size];
104 address = block * chunk_size;
107 link.printf("e %x\n", block);
109 for (offset = 0; offset < chunk_size; offset += per_line) {
111 String line = link.get_reply(5000);
114 throw new TimeoutException();
116 int[] values = ParseHex(line);
118 if (values == null || values.length != per_line + 1)
119 throw new ParseException(String.format("invalid line %s", line), 0);
120 if (values[0] != offset)
121 throw new ParseException(String.format("data address out of sync at 0x%x",
122 address + offset), 0);
123 for (int i = 0; i < per_line; i++)
124 data[offset + i] = values[1 + i];
125 } catch (ParseException pe) {
126 for (int i = 0; i < per_line; i++)
127 data[offset + i] = 0xff;
128 if (parse_exception == null)
129 parse_exception = pe;