51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
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* This file is part of the libopenstm32 project.
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*
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* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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 program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopenstm32/flash.h>
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void flash_prefetch_buffer_enable(void)
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{
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FLASH_ACR |= FLASH_PRFTBE;
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}
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void flash_prefetch_buffer_disable(void)
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{
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FLASH_ACR &= ~FLASH_PRFTBE;
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}
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void flash_halfcycle_enable(void)
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{
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FLASH_ACR |= FLASH_HLFCYA;
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}
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void flash_halfcycle_disable(void)
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{
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FLASH_ACR &= ~FLASH_HLFCYA;
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}
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void flash_set_ws(u32 ws)
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{
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u32 reg32;
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reg32 = FLASH_ACR;
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reg32 &= ~((1 << 0) | (1 << 1) | (1 << 2));
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reg32 |= ws;
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FLASH_ACR = reg32;
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}
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