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board.c
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board.c
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/*
* The MIT License (MIT)
*
* Copyright (c) 2017-2018, 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)
{
ASSERTN(str_p != NULL, EINVAL);
int pin;
long value;
pin = -ENODEV;
if (strcmp(str_p, "led") == 0) {
pin = 17;
if ((str_p[3] >= '1') && (str_p[3] <= '4')) {
pin += (str_p[3] - '1');
}
} else if (strcmp(str_p, "ain") == 0) {
if ((str_p[3] >= '0') && (str_p[3] <= '3')) {
pin = (2 + str_p[3] - '0');
} else if ((str_p[3] >= '4') && (str_p[3] <= '7')) {
pin = (28 + str_p[3] - '4');
}
} else if (strcmp(str_p, "btn") == 0) {
if ((str_p[3] >= '1') && (str_p[3] <= '4')) {
pin = (13 + str_p[3] - '1');
}
} else if (strcmp(str_p, "p") == 0) {
if (std_strtol(&str_p[1], &value) != NULL) {
if ((value >= 0) && (value <= 31)) {
pin = value;
}
}
}
return (pin);
}