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xmem implementation for the native platform

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adamdunkels 2008-07-03 23:11:27 +00:00
parent 871598fb24
commit 84a42a0bb3
2 changed files with 89 additions and 1 deletions
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2
platform/native/Makefile.native
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@ -6,7 +6,7 @@ CONTIKI_TARGET_DIRS = . dev
CONTIKI_TARGET_MAIN = ${addprefix $(OBJECTDIR)/,contiki-main.o}
CONTIKI_TARGET_SOURCEFILES = contiki-main.c clock.c leds.c leds-arch.c \
button-sensor.c pir-sensor.c vib-sensor.c \
button-sensor.c pir-sensor.c vib-sensor.c xmem.c \
sensors.c irq.c random.c serial.c cfs-posix.c cfs-posix-dir.c
CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)

88
platform/native/dev/xmem.c Normal file
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@ -0,0 +1,88 @@
/*
* 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>
*
* $Id: xmem.c,v 1.1 2008/07/03 23:11:27 adamdunkels Exp $
*/
#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 %d);\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)
{
}
/*---------------------------------------------------------------------------*/