text: /*
   * Copyright (c) 2004, 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.
   *
   * This file is part of the Contiki operating system.
   *
   * Author: Adam Dunkels <adam@sics.se>
   *
   */
  
  #include "contiki-conf.h"
  #include "dev/xmem.h"
  
  #include <stdio.h>
  #include <fcntl.h>
  #include <unistd.h>
  #include <stdio.h>
  #include <string.h>
  
  #define XMEM_SIZE 1024 * 1024
  
  static unsigned char xmem[XMEM_SIZE];
  /*---------------------------------------------------------------------------*/
  int
  xmem_pwrite(const void *buf, int size, unsigned long offset)
  {
    /*  int f;
    char name[400];
  
    snprintf(name, sizeof(name), "xmem.%d.%d", node_x(), node_y());
    f = open(name, O_WRONLY | O_APPEND | O_CREAT, 0644);
    lseek(f, addr, SEEK_SET);
    write(f, buf, size);
    close(f);*/
    
    /*  printf("xmem_write(offset 0x%02x, buf %p, size %l);\n", offset, buf, size);*/
    
    memcpy(&xmem[offset], buf, size);
    return size;
  }
  /*---------------------------------------------------------------------------*/
  int
  xmem_pread(void *buf, int size, unsigned long offset)
  {
    /*  printf("xmem_read(addr 0x%02x, buf %p, size %d);\n", addr, buf, size);*/
    memcpy(buf, &xmem[offset], size);
    return size;
  }
  /*---------------------------------------------------------------------------*/
  int
  xmem_erase(long nbytes, unsigned long offset)
  {
    /*  printf("xmem_read(addr 0x%02x, buf %p, size %d);\n", addr, buf, size);*/
    memset(&xmem[offset], 0, nbytes);
    return nbytes;
  }
  /*---------------------------------------------------------------------------*/
  void
  xmem_init(void)
  {
  
  }
  /*---------------------------------------------------------------------------*/
  