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.
46 lines
1.2 KiB
46 lines
1.2 KiB
/** @addtogroup flash_file
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* 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/flash.h>
|
|
#include <libopencm3/stm32/common/flash_common_f.h>
|
|
|
|
|
|
void flash_unlock(void)
|
|
{
|
|
/* Authorize the FPEC access. */
|
|
FLASH_KEYR = FLASH_KEYR_KEY1;
|
|
FLASH_KEYR = FLASH_KEYR_KEY2;
|
|
}
|
|
|
|
void flash_lock(void)
|
|
{
|
|
FLASH_CR |= FLASH_CR_LOCK;
|
|
}
|
|
|
|
/* The bit number for EOP moves sometimes, but it's always a write 1 to clear */
|
|
void flash_clear_eop_flag(void)
|
|
{
|
|
FLASH_SR |= FLASH_SR_EOP;
|
|
}
|
|
|
|
/**@}*/
|