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board.c
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board.c
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/**
* @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"
extern uint32_t __rom_begin;
extern uint32_t __text_end__;
/**
* This datastructure is used ny the Photon bootloader to verify that
* the application is valid. It must be reallocated to application
* start address + 0x184 (see script.common.ld).
*/
struct module_info_t {
const void* module_start_address; /* the first byte of this module
in flash */
const void* module_end_address; /* the last byte (exclusive) of
this smodule in flash. 4 byte
crc starts here. */
uint8_t reserved;
uint8_t reserved2;
uint16_t module_version; /* 16 bit version */
uint16_t platform_id; /* The platform this module was
compiled for. */
uint8_t module_function; /* The module function */
uint8_t module_index;
};
__attribute__ ((section(".module_info"), used))
struct module_info_t module_info = {
.module_start_address = (const void *)&__rom_begin,
.module_end_address = (const void *)&__text_end__,
.platform_id = 6,
};
int board_pin_string_to_device_index(const char *str_p)
{
int gpio;
long bit;
/* Get gpio and bit. */
if (str_p[0] != 'p') {
return (-1);
}
if ((str_p[1] < 'a') || (str_p[1] > 'd')) {
return (-1);
}
gpio = (str_p[1] - 'a');
if (std_strtol(&str_p[2], &bit) == NULL) {
return (-1);
}
if (bit < 0) {
return (-1);
}
if ((gpio == 'd' && bit > 3) || (bit > 15)) {
return (-1);
}
return (16 * gpio + bit);
}