/** @defgroup pwr-file PWR

@ingroup STM32F4xx

@brief <b>libopencm3 STM32F4xx Power Control</b>

@version 1.0.0

@author @htmlonly &copy; @endhtmlonly 2011 Stephen Caudle <scaudle@doceme.com>

@date 4 March 2013

This library supports the power control system for the
STM32F4 series of ARM Cortex Microcontrollers by ST Microelectronics.

LGPL License Terms @ref lgpl_license
*/
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#include <libopencm3/stm32/pwr.h>

void pwr_set_vos_scale(vos_scale_t scale)
{
	if (scale == SCALE1)
		PWR_CR |= PWR_CR_VOS;
	else if (scale == SCALE2)
		PWR_CR &= PWR_CR_VOS;
}