diff options
| author | Keith Packard <keithp@keithp.com> | 2012-01-02 20:47:16 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-01-02 20:47:16 -0800 |
| commit | 2a37f152720d9fafcb7066c08aa5f3362eb0181f (patch) | |
| tree | 1180d5c132b001f46d27945dcc4710d52e41a51a /altosui/altoslib/src | |
| parent | 664dc1ea038f71b059d045136ccb8d879e874498 (diff) | |
altosui: Move AltosEepromChunk.java to lib
Also fixes install issues with split lib
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'altosui/altoslib/src')
| -rw-r--r-- | altosui/altoslib/src/org/altusmetrum/AltosLib/AltosEepromChunk.java | 97 | ||||
| -rw-r--r-- | altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java | 2 |
2 files changed, 99 insertions, 0 deletions
diff --git a/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosEepromChunk.java b/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosEepromChunk.java new file mode 100644 index 00000000..5cc5cea0 --- /dev/null +++ b/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosEepromChunk.java @@ -0,0 +1,97 @@ +/* + * Copyright © 2011 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; + +import java.io.*; +import java.util.*; +import java.text.*; +import java.util.concurrent.*; + +public class AltosEepromChunk { + + static final int chunk_size = 256; + static final int per_line = 8; + + public int data[]; + public int address; + public ParseException parse_exception = null; + + int[] ParseHex(String line) { + String[] tokens = line.split("\\s+"); + int[] array = new int[tokens.length]; + + for (int i = 0; i < tokens.length; i++) + try { + array[i] = Integer.parseInt(tokens[i], 16); + } catch (NumberFormatException ne) { + return null; + } + return array; + } + + int data(int offset) { + return data[offset]; + } + + int data16(int offset) { + return data[offset] | (data[offset + 1] << 8); + } + + boolean erased(int start, int len) { + for (int i = 0; i < len; i++) + if (data[start+i] != 0xff) + return false; + return true; + } + + public AltosEepromChunk(AltosLink link, int block, boolean flush) + throws TimeoutException, InterruptedException { + + int offset; + + data = new int[chunk_size]; + address = block * chunk_size; + if (flush) + link.flush_input(); + link.printf("e %x\n", block); + + for (offset = 0; offset < chunk_size; offset += per_line) { + try { + String line = link.get_reply(5000); + + if (line == null) + throw new TimeoutException(); + + int[] values = ParseHex(line); + + if (values == null || values.length != per_line + 1) + throw new ParseException(String.format("invalid line %s", line), 0); + if (values[0] != offset) + throw new ParseException(String.format("data address out of sync at 0x%x", + address + offset), 0); + for (int i = 0; i < per_line; i++) + data[offset + i] = values[1 + i]; + } catch (ParseException pe) { + for (int i = 0; i < per_line; i++) + data[offset + i] = 0xff; + if (parse_exception == null) + parse_exception = pe; + } + } + } +}
\ No newline at end of file diff --git a/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java b/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java index 80f3d712..9a23b306 100644 --- a/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java +++ b/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java @@ -23,4 +23,6 @@ public interface AltosLink { public String get_reply() throws InterruptedException; public String get_reply(int timeout) throws InterruptedException; + + public void flush_input() throws InterruptedException; } |
