50448497f8
Sigh; Emacs's elide-head feature makes it easy to forget to update these. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
56 lines
2 KiB
C
56 lines
2 KiB
C
/******************************************************************************
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* The MIT License
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*
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* Copyright (c) 2010 Perry Hung.
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* Copyright (c) 2011, 2012 LeafLabs, LLC.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*****************************************************************************/
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/**
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* @file libmaple/flash.c
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* @brief Flash management functions
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*/
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#include <libmaple/libmaple_types.h>
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#include <libmaple/flash.h>
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/**
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* @brief Set flash wait states
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*
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* Note that not all wait states are available on every MCU. See the
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* Flash programming manual for your MCU for restrictions on the
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* allowed value of wait_states for a given system clock (SYSCLK)
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* frequency.
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*
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* @param wait_states number of wait states (one of
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* FLASH_WAIT_STATE_0, FLASH_WAIT_STATE_1,
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* ..., FLASH_WAIT_STATE_7).
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*/
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void flash_set_latency(uint32 wait_states) {
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uint32 val = FLASH_BASE->ACR;
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val &= ~FLASH_ACR_LATENCY;
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val |= wait_states;
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FLASH_BASE->ACR = val;
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}
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