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46 lines
1.2 KiB
46 lines
1.2 KiB
2 months ago
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/** @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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#include <libopencm3/stm32/common/flash_common_f.h>
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void flash_unlock(void)
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{
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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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/* The bit number for EOP moves sometimes, but it's always a write 1 to clear */
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void flash_clear_eop_flag(void)
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{
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FLASH_SR |= FLASH_SR_EOP;
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}
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/**@}*/
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