/** @defgroup flash_file FLASH * * @ingroup STM32L1xx * * @brief libopencm3 STM32L1xx FLASH * * @version 1.0.0 * * @author @htmlonly © @endhtmlonly 2010 * Thomas Otto * @author @htmlonly © @endhtmlonly 2010 * Mark Butler * @author @htmlonly © @endhtmlonly 2012 * Karl Palsson * * @date 14 January 2014 * * For the STM32L1xx, accessing FLASH memory is described briefly in * section 2.3.3 of the STM32L1xx Reference Manual. * For detailed programming information see: * PM0062 programming manual: STM32L1xxxx Flash and EEPROM programming * March 2012, Doc ID 16024 Rev 5 * * LGPL License Terms @ref lgpl_license */ /* * This file is part of the libopencm3 project. * * Copyright (C) 2010 Thomas Otto * Copyright (C) 2010 Mark Butler * Copyright (C) 2012-13 Karl Palsson * * 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 . */ /**@{*/ #include /*---------------------------------------------------------------------------*/ /** @brief Enable 64 Bit Programming Mode */ void flash_64bit_enable(void) { FLASH_ACR |= FLASH_ACR_ACC64; } /*---------------------------------------------------------------------------*/ /** @brief Enable 32 Bit Programming Mode This mode is a low power mode. It must be used at low frequencies and does not allow prefetch or wait states to be used. */ void flash_64bit_disable(void) { FLASH_ACR &= ~FLASH_ACR_ACC64; } /**@}*/