flash_common_f.c

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/** @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;
}
 
/**@}*/