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/*
* Copyright © 2013 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_1;
import java.io.*;
import java.util.*;
import java.text.*;
public abstract class AltosEeprom implements AltosStateUpdate {
public int cmd;
public int tick;
public int data8[];
public boolean valid;
public final static int header_length = 4;
public abstract void update_state(AltosState state);
public void write(PrintStream out) {
out.printf("%c %04x", cmd, tick);
if (data8 != null) {
for (int i = 0; i < data8.length; i++)
out.printf (" %02x", data8[i]);
}
out.printf ("\n");
}
void parse_chunk(AltosEepromChunk chunk, int start, int record_length) throws ParseException {
cmd = chunk.data(start);
int data_length = record_length - header_length;
valid = !chunk.erased(start, record_length);
if (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;
}
tick = chunk.data16(start+2);
data8 = new int[data_length];
for (int i = 0; i < data_length; i++)
data8[i] = chunk.data(start + header_length + i);
}
void parse_string(String line, int record_length) {
valid = false;
tick = 0;
cmd = AltosLib.AO_LOG_INVALID;
int data_length = record_length - header_length;
if (line == null)
return;
try {
String[] tokens = line.split("\\s+");
if (tokens[0].length() == 1) {
if (tokens.length == 2 + data_length) {
cmd = tokens[0].codePointAt(0);
tick = Integer.parseInt(tokens[1],16);
valid = true;
data8 = new int[data_length];
for (int i = 0; i < data_length; i++)
data8[i] = Integer.parseInt(tokens[2 + i],16);
}
}
} catch (NumberFormatException ne) {
}
}
}
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