Subversion Repositories de1_olpcl2294_system

//

//

//

#include <stdio.h>

#include "LPC22xx.h"

#include <cyg/error/codes.h>

#include <cyg/io/io.h>

#include <cyg/io/ttyio.h>

#include "lib_dbg_sh.h"

#include "parse.h"

#include "shell_cmds.h"

//--------------------------------------------------------------------------

//

//

RedBoot_cmd("help",

            "Help about help?",

            "[<topic>]",

            do_help

    );

void

show_help(struct cmd *cmd, struct cmd *cmd_end, char *which, char *pre)

{

    bool show;

    int len = 0;

    if (which) {

        len = strlen(which);

    }

    while (cmd != cmd_end) {

        show = true;

        if (which && (strncasecmp(which, cmd->str, len) != 0)) {

            show = false;

        }

        if (show) {

            printf("%s\n  %s %s %s\n", cmd->help, pre, cmd->str, cmd->usage);

            if ((cmd->sub_cmds != (struct cmd *)0) && (which != (char *)0)) {

                show_help(cmd->sub_cmds, cmd->sub_cmds_end, 0, cmd->str);

            }

        }

        cmd++;

    }

}

void

do_help(int argc, char *argv[])

{

    struct cmd *cmd;

    char *which = (char *)0;

    if (!scan_opts(argc, argv, 1, 0, 0, (void *)&which, OPTION_ARG_TYPE_STR, "<topic>")) {

        printf("Invalid argument\n");

        return;

    }

    cmd = __RedBoot_CMD_TAB__;

    show_help(cmd, &__RedBoot_CMD_TAB_END__, which, "");

    return;

}

void dbg_sh(void)

{

  char buffer[256];

  char *command;

  struct cmd *cmd;

  int argc;

  char *argv[16];

  while(1)

  {

    printf( "dbg_sh> " );

    gets( buffer );

    command = buffer;

    if( strlen(command) > 0 )

    {

      if ((cmd = parse(&command, &argc, &argv[0])) != (struct cmd *)0)

      {

          (cmd->fun)(argc, argv);

      } else

      {

          printf("** Error: Illegal command: \"%s\"\n", argv[0]);

      }

    }

  }

}