Arti Zirk
244fdbc35c
subrepo: subdir: "libopencm3" merged: "f5813a54" upstream: origin: "https://github.com/libopencm3/libopencm3" branch: "master" commit: "f5813a54" git-subrepo: version: "0.4.3" origin: "???" commit: "???"
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/** @addtogroup pwr_file PWR peripheral API
|
|
* @ingroup peripheral_apis
|
|
*
|
|
* @author @htmlonly © @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;
|
|
}
|
|
|
|
/**@}*/
|
|
|