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trezor-firmware/legacy/flash.h
2019-06-17 20:28:29 +02:00

51 lines
1.6 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/>.
*/
#ifndef FLASH_H
#define FLASH_H
#include <stdint.h>
#include <stdlib.h>
#include "secbool.h"
#define FLASH_SECTOR_COUNT 24
// note: FLASH_SR_RDERR is STM32F42xxx and STM32F43xxx specific (STM32F427)
// (reference RM0090 section 3.7.5)
#ifndef STM32F427xx
#define FLASH_SR_RDERR 0
#endif
#define FLASH_STATUS_ALL_FLAGS \
(FLASH_SR_RDERR | FLASH_SR_PGSERR | FLASH_SR_PGPERR | FLASH_SR_PGAERR | \
FLASH_SR_WRPERR | FLASH_SR_SOP | FLASH_SR_EOP)
void flash_init(void);
secbool __wur flash_unlock_write(void);
secbool __wur flash_lock_write(void);
const void *flash_get_address(uint8_t sector, uint32_t offset, uint32_t size);
secbool __wur flash_erase(uint8_t sector);
secbool __wur flash_write_byte(uint8_t sector, uint32_t offset, uint8_t data);
secbool __wur flash_write_word(uint8_t sector, uint32_t offset, uint32_t data);
#endif // FLASH_H