blackmagic/lib/stm32/common/pwr_common_v2.c
Karl Palsson 0aef9c2ec6 stm32: doc: pwr: move to peripheral_api
Some families had partially moved to peripheral api, and others were
only documenting common code, but not specific code.  Delete dummy .c
files, and check that all specific apis are also being documented, not
just common apis.
2019-05-22 00:10:39 +00:00

50 lines
1.4 KiB
C

/** @addtogroup pwr_file PWR peripheral API
* @ingroup peripheral_apis
*
* @author @htmlonly &copy; @endhtmlonly 2012 Karl Palsson <karlp@tweak.net.au>
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* 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>
#include <libopencm3/stm32/rcc.h>
void pwr_set_vos_scale(enum pwr_vos_scale scale)
{
/* You are not allowed to write zeros here, don't try and optimize! */
uint32_t reg = PWR_CR;
reg &= ~(PWR_CR_VOS_MASK);
switch (scale) {
case PWR_SCALE1:
reg |= PWR_CR_VOS_RANGE1;
break;
case PWR_SCALE2:
reg |= PWR_CR_VOS_RANGE2;
break;
case PWR_SCALE3:
reg |= PWR_CR_VOS_RANGE3;
break;
}
PWR_CR = reg;
}
/**@}*/