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/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2018, 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)
{
int port;
int gpio;
long bit;
/* Get gpio and bit. */
if (str_p[0] != 'p') {
return (-ENODEV);
}
port = tolower((int)str_p[1]);
if ((port < 'a') || (port > 'd')) {
return (-ENODEV);
}
gpio = (port - 'a');
if (std_strtol(&str_p[2], &bit) == NULL) {
return (-ENODEV);
}
if (bit < 0) {
return (-ENODEV);
}
if ((gpio == 'd' && bit > 3) || (bit > 15)) {
return (-ENODEV);
}
return (16 * gpio + bit);
}
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