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; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.altoslib_8;
21 import java.util.concurrent.*;
23 public class AltosEepromChunk {
25 public static final int chunk_size = 256;
26 public static final int per_line = 8;
30 public ParseException parse_exception = null;
32 int[] ParseHex(String line) {
33 String[] tokens = line.split("\\s+");
34 int[] array = new int[tokens.length];
36 for (int i = 0; i < tokens.length; i++)
38 array[i] = Integer.parseInt(tokens[i], 16);
39 } catch (NumberFormatException ne) {
45 public int data(int offset) {
49 public int data16(int offset) {
50 return data[offset] | (data[offset + 1] << 8);
53 public int data32(int offset) {
54 return data[offset] | (data[offset + 1] << 8) |
55 (data[offset+2] << 16) | (data[offset+3] << 24);
58 public boolean erased(int start, int len) {
59 for (int i = 0; i < len; i++)
60 if (data[start+i] != 0xff)
65 public AltosEeprom eeprom(int offset, int log_format, AltosState state) throws ParseException {
66 AltosEeprom eeprom = null;
68 case AltosLib.AO_LOG_FORMAT_FULL:
69 eeprom = new AltosEepromTM(this, offset);
71 case AltosLib.AO_LOG_FORMAT_TINY:
72 eeprom = new AltosEepromTm(this, offset, state);
74 case AltosLib.AO_LOG_FORMAT_TELEMETRY:
75 case AltosLib.AO_LOG_FORMAT_TELESCIENCE:
77 case AltosLib.AO_LOG_FORMAT_TELEMEGA:
78 case AltosLib.AO_LOG_FORMAT_TELEMEGA_OLD:
79 eeprom = new AltosEepromMega(this, offset, log_format);
81 case AltosLib.AO_LOG_FORMAT_TELEMETRUM:
82 eeprom = new AltosEepromMetrum2(this, offset);
84 case AltosLib.AO_LOG_FORMAT_TELEMINI:
85 case AltosLib.AO_LOG_FORMAT_EASYMINI:
86 eeprom = new AltosEepromMini(this, offset);
88 case AltosLib.AO_LOG_FORMAT_TELEGPS:
89 eeprom = new AltosEepromGPS(this, offset);
92 throw new ParseException("unknown eeprom format " + log_format, 0);
97 public AltosEepromChunk(AltosLink link, int block, boolean flush)
98 throws TimeoutException, InterruptedException {
102 data = new int[chunk_size];
103 address = block * chunk_size;
106 link.printf("e %x\n", block);
108 for (offset = 0; offset < chunk_size; offset += per_line) {
110 String line = link.get_reply(5000);
113 throw new TimeoutException();
115 int[] values = ParseHex(line);
117 if (values == null || values.length != per_line + 1)
118 throw new ParseException(String.format("invalid line %s", line), 0);
119 if (values[0] != offset)
120 throw new ParseException(String.format("data address out of sync at 0x%x",
121 address + offset), 0);
122 for (int i = 0; i < per_line; i++)
123 data[offset + i] = values[1 + i];
124 } catch (ParseException pe) {
125 for (int i = 0; i < per_line; i++)
126 data[offset + i] = 0xff;
127 if (parse_exception == null)
128 parse_exception = pe;