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75 lines
2.2 KiB
75 lines
2.2 KiB
3 months ago
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/** @defgroup flash_file FLASH peripheral API
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*
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* @ingroup peripheral_apis
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*
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* @brief <b>libopencm3 STM32L1xx FLASH</b>
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*
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* @version 1.0.0
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*
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* @author @htmlonly © @endhtmlonly 2010
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* Thomas Otto <tommi@viadmin.org>
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* @author @htmlonly © @endhtmlonly 2010
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* Mark Butler <mbutler@physics.otago.ac.nz>
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* @author @htmlonly © @endhtmlonly 2012
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* Karl Palsson <karlp@tweak.net.au>
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*
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* @date 14 January 2014
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*
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* For the STM32L1xx, accessing FLASH memory is described briefly in
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* section 2.3.3 of the STM32L1xx Reference Manual.
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* For detailed programming information see:
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* PM0062 programming manual: STM32L1xxxx Flash and EEPROM programming
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* March 2012, Doc ID 16024 Rev 5
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*
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* LGPL License Terms @ref lgpl_license
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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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* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
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* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
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* Copyright (C) 2012-13 Karl Palsson <karlp@tweak.net.au>
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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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/*---------------------------------------------------------------------------*/
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/** @brief Enable 64 Bit Programming Mode
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*/
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void flash_64bit_enable(void)
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{
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FLASH_ACR |= FLASH_ACR_ACC64;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Enable 32 Bit Programming Mode
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This mode is a low power mode. It must be used at low frequencies and does not
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allow prefetch or wait states to be used.
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*/
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void flash_64bit_disable(void)
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{
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FLASH_ACR &= ~FLASH_ACR_ACC64;
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}
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/**@}*/
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