49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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/** @defgroup pwr_file PWR peripheral API
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*
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* @ingroup peripheral_apis
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*
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* @brief <b>libopencm3 STM32F4xx Power Control</b>
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*
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* @version 1.0.0
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*
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* @author @htmlonly © @endhtmlonly 2011 Stephen Caudle <scaudle@doceme.com>
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*
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* @date 4 March 2013
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*
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* This library supports the power control system for the
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* STM32F4 series of ARM Cortex Microcontrollers by ST Microelectronics.
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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) 2011 Stephen Caudle <scaudle@doceme.com>
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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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#include <libopencm3/stm32/pwr.h>
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/**@{*/
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void pwr_set_vos_scale(enum pwr_vos_scale scale)
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{
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uint32_t reg32;
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reg32 = PWR_CR & ~(PWR_CR_VOS_MASK << PWR_CR_VOS_SHIFT);
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reg32 |= (scale & PWR_CR_VOS_MASK) << PWR_CR_VOS_SHIFT;
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PWR_CR = reg32;
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}
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/**@}*/
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