apps/shell/shell-vars.c

   1 /*
   2  * Copyright (c) 2008, Swedish Institute of Computer Science.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the Institute nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * This file is part of the Contiki operating system.
  30  *
  31  * $Id: shell-vars.c,v 1.1 2008/02/04 23:42:17 adamdunkels Exp $
  32  */
  33
  34 /**
  35  * \file
  36  *         A brief description of what this file is.
  37  * \author
  38  *         Adam Dunkels <adam@sics.se>
  39  */
  40
  41 #include "contiki.h"
  42 #include "contiki-conf.h"
  43 #include "shell-vars.h"
  44
  45 #include "loader/symbols.h"
  46
  47 #include <stdio.h>
  48 #include <string.h>
  49
  50 #ifdef SHELL_VARS_CONF_RAM_BEGIN
  51 #define SHELL_VARS_RAM_BEGIN SHELL_VARS_CONF_RAM_BEGIN
  52 #define SHELL_VARS_RAM_END   SHELL_VARS_CONF_RAM_END
  53 #else /* SHELL_VARS_CONF_RAM_BEGIN */
  54 #define SHELL_VARS_RAM_BEGIN 0
  55 #define SHELL_VARS_RAM_END (unsigned int)-1
  56 #endif /* SHELL_VARS_CONF_RAM_BEGIN */
  57
  58 /*---------------------------------------------------------------------------*/
  59 PROCESS(shell_vars_process, "vars");
  60 SHELL_COMMAND(vars_command,
  61               "vars",
  62               "vars: list all variables in RAM",
  63               &shell_vars_process);
  64 /*---------------------------------------------------------------------------*/
  65 PROCESS(shell_var_process, "var");
  66 SHELL_COMMAND(var_command,
  67               "var",
  68               "var <variable>: show content of a variable",
  69               &shell_var_process);
  70 /*---------------------------------------------------------------------------*/
  71 PROCESS_THREAD(shell_vars_process, ev, data)
  72 {
  73   int i;
  74
  75   PROCESS_BEGIN();
  76
  77   shell_output_str(&vars_command, "Variables in RAM:", "");
  78
  79   for(i = 0; i < symbols_nelts; ++i) {
  80     if(symbols[i].name != NULL &&
  81        (unsigned int)symbols[i].value >= SHELL_VARS_RAM_BEGIN &&
  82        (unsigned int)symbols[i].value <= SHELL_VARS_RAM_END) {
  83       shell_output_str(&vars_command, (char *)symbols[i].name, "");
  84     }
  85   }
  86
  87   PROCESS_END();
  88 }
  89 /*---------------------------------------------------------------------------*/
  90 PROCESS_THREAD(shell_var_process, ev, data)
  91 {
  92   int i;
  93
  94   PROCESS_BEGIN();
  95
  96   if(data == NULL) {
  97     shell_output_str(&var_command, "syntax: var <variable name>", "");
  98   } else {
  99     for(i = 0; i < symbols_nelts; ++i) {
 100       if(symbols[i].name != NULL &&
 101          strncmp(symbols[i].name, data, strlen(symbols[i].name)) == 0) {
 102         char numbuf[32];
 103         int j;
 104
 105         sprintf(numbuf, " %d", *((int *)symbols[i].value));
 106         shell_output_str(&var_command, (char *)symbols[i].name, numbuf);
 107
 108         for(j = 0; j < 8 * 8; j += 8) {
 109           sprintf(numbuf, "0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x",
 110                   ((unsigned char *)symbols[i].value)[j],
 111                   ((unsigned char *)symbols[i].value)[j + 1],
 112                   ((unsigned char *)symbols[i].value)[j + 2],
 113                   ((unsigned char *)symbols[i].value)[j + 3],
 114                   ((unsigned char *)symbols[i].value)[j + 4],
 115                   ((unsigned char *)symbols[i].value)[j + 5],
 116                   ((unsigned char *)symbols[i].value)[j + 6],
 117                   ((unsigned char *)symbols[i].value)[j + 7]);
 118           shell_output_str(&var_command, numbuf, "");
 119         }
 120         PROCESS_EXIT();
 121       }
 122     }
 123     shell_output_str(&var_command, data, ": variable name not found");
 124   }
 125
 126   PROCESS_END();
 127 }
 128 /*---------------------------------------------------------------------------*/
 129 void
 130 shell_vars_init(void)
 131 {
 132   shell_register_command(&var_command);
 133   shell_register_command(&vars_command);
 134 }
 135 /*---------------------------------------------------------------------------*/