/*
* Copyright (c) 2012, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
package org.contikios.cooja.mspmote.interfaces;
import java.io.IOException;
import org.contikios.coffee.CoffeeConfiguration;
import org.contikios.coffee.CoffeeImage;
import se.sics.mspsim.chip.MemoryStorage;
public class CoojaExternalFlash extends MemoryStorage implements CoffeeImage {
private final String target;
private CoffeeConfiguration coffeeConfiguration;
public CoojaExternalFlash(String target) {
this.target = target;
}
/**
* XXX Coffee specific: uses start offset
* @see org.contikios.coffee.CoffeeImage#erase(int, int)
*/
public void erase(int size, int offset) throws IOException {
byte[] buffer = new byte[size];
write(getConfiguration().startOffset + offset, buffer);
}
/**
* XXX Coffee specific: uses start offset
* @see org.contikios.coffee.CoffeeImage#getConfiguration()
*/
public CoffeeConfiguration getConfiguration() {
if (coffeeConfiguration == null) {
try {
coffeeConfiguration = new CoffeeConfiguration(target + ".properties");
} catch (Exception e) {
// Failed to retrieve coffee configuration
throw new IllegalStateException("no Coffee configuration available for platform " + target);
}
}
return coffeeConfiguration;
}
/**
* XXX Coffee specific: uses start offset
* @see org.contikios.coffee.CoffeeImage#read(byte[], int, int)
*/
public void read(byte[] bytes, int size, int offset) throws IOException {
read(getConfiguration().startOffset + offset, bytes, 0, size);
}
/**
* XXX Coffee specific: uses start offset
* @see org.contikios.coffee.CoffeeImage#write(byte[], int, int)
*/
public void write(byte[] bytes, int size, int offset) throws IOException {
read(getConfiguration().startOffset + offset, bytes, 0, size);
}
}