error.c

/**
 * NXT bootstrap interface; error handling code.
 *
 * Copyright 2006 David Anderson <dave@natulte.net>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#include <libusb.h>

#include "cmd.h"
#include "error.h"

static const char *const err_str[] = {
  "Success",
  "NXT not found on USB bus",
  "NXT handshake failed",
  "File open/handling error",
  "Invalid firmware image",
  "Exhausted virtual memory",
  "Communication protocol error",
};

const char *
nxt_str_error(nxt_error_t err)
{
  if (err >= NXT_ERROR_USB_MIN)
    return libusb_strerror(-(err - NXT_ERROR_USB_MIN));
  else if (err >= NXT_ERROR_CMD_MIN)
    return nxt_cmd_str_error(err - NXT_ERROR_CMD_MIN);
  else if (err >= 0 && err < sizeof(err_str) / sizeof(err_str[0]))
    return err_str[err];
  else
    return "Unknown error";
}