129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2008, 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Shell commands for memory debugging
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
* Joakim Eriksson <joakime@sics.se>
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "shell-memdebug.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(shell_poke_process, "poke");
|
|
SHELL_COMMAND(poke_command,
|
|
"poke",
|
|
"poke <address> <byte>: write byte <byte> to address <address>",
|
|
&shell_poke_process);
|
|
PROCESS(shell_peek_process, "peek");
|
|
SHELL_COMMAND(peek_command,
|
|
"peek",
|
|
"peek <address>: read a byte from address <address>",
|
|
&shell_peek_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_poke_process, ev, data)
|
|
{
|
|
uint8_t *address;
|
|
uint8_t byte;
|
|
const char *args, *next;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
args = data;
|
|
|
|
if(args == NULL) {
|
|
shell_output_str(&poke_command, "usage 0", "");
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
address = (uint8_t *)(int)shell_strtolong(args, &next);
|
|
if(next == args) {
|
|
shell_output_str(&poke_command, "usage 1", "");
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
args = next;
|
|
byte = shell_strtolong(args, &next);
|
|
if(next == args) {
|
|
shell_output_str(&poke_command, "usage 2", "");
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
printf("address %p byte 0x%02x\n", address, byte);
|
|
|
|
*address = byte;
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_peek_process, ev, data)
|
|
{
|
|
uint8_t *address;
|
|
const char *args, *next;
|
|
char buf[32];
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
args = data;
|
|
|
|
if(args == NULL) {
|
|
shell_output_str(&peek_command, "usage 0", "");
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
address = (uint8_t *)(int)shell_strtolong(args, &next);
|
|
if(next == args) {
|
|
shell_output_str(&peek_command, "usage 1", "");
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
snprintf(buf, sizeof(buf), "0x%02x", *address);
|
|
|
|
shell_output_str(&peek_command, buf, "");
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
shell_memdebug_init(void)
|
|
{
|
|
shell_register_command(&poke_command);
|
|
shell_register_command(&peek_command);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|