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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_2;
import java.io.*;
public class AltosSelfFlash {
File file;
FileInputStream input;
AltosHexfile image;
AltosLink link;
boolean aborted;
AltosFlashListener listener;
byte[] read_block, write_block;
void action(String s, int percent) {
if (listener != null && !aborted)
listener.position(s, percent);
}
void action(int part, int total) {
int percent = 100 * part / total;
action(String.format("%d/%d (%d%%)",
part, total, percent),
percent);
}
void read_block(long addr) {
link.printf("R %x\n", addr);
}
void read_memory(long addr, int len) {
}
void write_memory(long addr, byte[] data, int start, int len) {
}
void reboot() {
}
public void flash() {
try {
int remain = image.data.length;
long flash_addr = image.address;
int image_start = 0;
action("start", 0);
action(0, image.data.length);
while (remain > 0 && !aborted) {
int this_time = remain;
if (this_time > 0x100)
this_time = 0x100;
if (link != null) {
/* write the data */
write_memory(flash_addr, image.data, image_start, this_time);
byte[] check = read_memory(flash_addr, this_time);
for (int i = 0; i < this_time; i++)
if (check[i] != image.data[image_start + i])
throw new IOException(String.format("Flash write failed at 0x%x (%02x != %02x)",
image.address + image_start + i,
check[i], image.data[image_start + i]));
} else {
Thread.sleep(100);
}
remain -= this_time;
flash_addr += this_time;
image_start += this_time;
action(image.data.length - remain, image.data.length);
}
if (!aborted) {
action("done", 100);
if (link != null) {
reboot();
}
}
if (link != null)
link.close();
} catch (IOException ie) {
action(ie.getMessage(), -1);
abort();
} catch (InterruptedException ie) {
abort();
}
}
public void close() {
if (link != null)
link.close();
}
synchronized public void abort() {
aborted = true;
close();
}
public boolean check_rom_config() {
if (link == null)
return true;
if (rom_config == null)
rom_config = debug.romconfig();
return rom_config != null && rom_config.valid();
}
public void set_romconfig (AltosRomconfig romconfig) {
rom_config = romconfig;
}
public AltosRomconfig romconfig() {
if (!check_rom_config())
return null;
return rom_config;
}
public AltosFlash(File file, AltosLink link, AltosFlashListener listener)
throws IOException, FileNotFoundException, InterruptedException {
this.file = file;
this.link = link;
this.listener = listener;
this.read_block = new byte[256];
this.write_block = new byte[256];
input = new FileInputStream(file);
image = new AltosHexfile(input);
if (link != null) {
debug.close();
throw new IOException("Debug port not connected");
}
}
}
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