lora-car/libopencm3/lib/stm32/f7/pwr.c
Arti Zirk 054740c5de git subrepo clone https://github.com/libopencm3/libopencm3.git
subrepo:
  subdir:   "libopencm3"
  merged:   "88e91c9a7cce"
upstream:
  origin:   "https://github.com/libopencm3/libopencm3.git"
  branch:   "master"
  commit:   "88e91c9a7cce"
git-subrepo:
  version:  "0.4.3"
  origin:   "???"
  commit:   "???"
2023-01-21 21:54:42 +02:00

70 lines
1.9 KiB
C

/** @defgroup pwr_file PWR peripheral API
*
* @ingroup peripheral_apis
*
* @brief <b>libopencm3 STM32F7xx Power Control</b>
*
* @version 1.0.0
*
* @author @htmlonly &copy; @endhtmlonly 2011 Stephen Caudle <scaudle@doceme.com>
* @author @htmlonly &copy; @endhtmlonly 2017 Matthew Lai <m@matthewlai.ca>
*
* @date 12 March 2017
*
* This library supports the power control system for the
* STM32F7 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>
* Copyright (C) 2017 Matthew Lai <m@matthewlai.ca>
*
* 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(enum pwr_vos_scale scale)
{
PWR_CR1 &= ~PWR_CR1_VOS_MASK;
if (scale == PWR_SCALE1) {
PWR_CR1 |= PWR_CR1_VOS_SCALE_1;
} else if (scale == PWR_SCALE2) {
PWR_CR1 |= PWR_CR1_VOS_SCALE_2;
} else if (scale == PWR_SCALE3) {
PWR_CR1 |= PWR_CR1_VOS_SCALE_3;
}
}
void pwr_enable_overdrive(void)
{
PWR_CR1 |= PWR_CR1_ODEN;
while (!(PWR_CSR1 & PWR_CSR1_ODRDY));
PWR_CR1 |= PWR_CR1_ODSWEN;
while (!(PWR_CSR1 & PWR_CSR1_ODSWRDY));
}
void pwr_disable_overdrive(void)
{
PWR_CR1 &= ~(PWR_CR1_ODEN | PWR_CR1_ODSWEN);
while (!(PWR_CSR1 & PWR_CSR1_ODSWRDY));
}
/**@}*/