text: /**
   * @section License
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2014-2017, Erik Moqvist
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use, copy,
   * modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * This file is part of the Simba project.
   */
  
  #include "simba.h"
  
  int board_pin_string_to_device_index(const char *str_p)
  {
      long pin;
  
      if (tolower((int)str_p[0]) == 'd') {
          if (std_strtol(&str_p[1], &pin) == NULL) {
              return (-1);
          }
          
          if ((pin < 0) || (pin > 53)) {
              return (-1);
          }
      } else if (tolower((int)str_p[0]) == 'a') {
          if (std_strtol(&str_p[1], &pin) == NULL) {
              return (-1);
          }
          
          if ((pin < 0) || (pin > 15)) {
              return (-1);
          }
          
          pin += 54;
      } else if (strcmp(str_p, "led") == 0) {
          pin = 13;
      } else {
          return (-1);
      }
  
      return (pin);
  }
  