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trezor-firmware/embed/trezorhal/utils.c
2019-02-15 12:39:16 +01:00

63 lines
1.5 KiB
C

/*
* This file is part of the TREZOR project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "utils.h"
#include STM32_HAL_H
#include "stm32f4xx_ll_utils.h"
/*
* Returns the CPUID Base Register of the System Control Block.
*/
uint32_t utils_get_cpu_id()
{
return SCB->CPUID;
}
/*
* Returns the size of the device flash memory expressed in kilobytes, e.g. 0x040 corresponds to 64 kB.
*/
uint32_t utils_get_flash_size()
{
return LL_GetFlashSize();
}
/*
* Returns word 0 of the unique device identifier.
*/
uint32_t utils_get_uid_word0()
{
return LL_GetUID_Word0();
}
/*
* Returns word 1 of the unique device identifier.
*/
uint32_t utils_get_uid_word1()
{
return LL_GetUID_Word1();
}
/*
* Returns word 2 of the unique device identifier.
*/
uint32_t utils_get_uid_word2()
{
return LL_GetUID_Word2();
}