da7ebafcbe
This is a common operation, so definition in _all, and every part except l0/l1 have the same implementation. Bring in an _f file too.
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/** @addtogroup flash_file
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*
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**@{*/
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#include <libopencm3/stm32/flash.h>
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void flash_unlock(void)
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{
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/* Clear the unlock state. */
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FLASH_CR |= FLASH_CR_LOCK;
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/* Authorize the FPEC access. */
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FLASH_KEYR = FLASH_KEYR_KEY1;
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FLASH_KEYR = FLASH_KEYR_KEY2;
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}
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void flash_lock(void)
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{
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FLASH_CR |= FLASH_CR_LOCK;
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}
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