You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.5 KiB
54 lines
1.5 KiB
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2012 Karl Palsson <karlp@ŧweak.net.au>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <libopencm3/stm32/desig.h>
|
|
|
|
uint16_t desig_get_flash_size(void)
|
|
{
|
|
return DESIG_FLASH_SIZE;
|
|
}
|
|
|
|
void desig_get_unique_id(uint32_t result[])
|
|
{
|
|
result[0] = DESIG_UNIQUE_ID2;
|
|
result[1] = DESIG_UNIQUE_ID1;
|
|
result[2] = DESIG_UNIQUE_ID0;
|
|
}
|
|
|
|
void desig_get_unique_id_as_string(char *string,
|
|
unsigned int string_len)
|
|
{
|
|
int i, len;
|
|
uint8_t device_id[12];
|
|
static const char chars[] = "0123456789ABCDEF";
|
|
|
|
desig_get_unique_id((uint32_t *)device_id);
|
|
|
|
/* Each byte produces two characters */
|
|
len = (2 * sizeof(device_id) < string_len) ?
|
|
2 * sizeof(device_id) : string_len - 1;
|
|
|
|
for (i = 0; i < len; i += 2) {
|
|
string[i] = chars[(device_id[i / 2] >> 4) & 0x0F];
|
|
string[i + 1] = chars[(device_id[i / 2] >> 0) & 0x0F];
|
|
}
|
|
|
|
string[len] = '\0';
|
|
}
|
|
|
|
|