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70 lines
1.9 KiB
70 lines
1.9 KiB
2 months ago
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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 STM32F7xx 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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* @author @htmlonly © @endhtmlonly 2017 Matthew Lai <m@matthewlai.ca>
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*
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* @date 12 March 2017
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*
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* This library supports the power control system for the
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* STM32F7 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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* Copyright (C) 2017 Matthew Lai <m@matthewlai.ca>
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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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PWR_CR1 &= ~PWR_CR1_VOS_MASK;
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if (scale == PWR_SCALE1) {
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PWR_CR1 |= PWR_CR1_VOS_SCALE_1;
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} else if (scale == PWR_SCALE2) {
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PWR_CR1 |= PWR_CR1_VOS_SCALE_2;
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} else if (scale == PWR_SCALE3) {
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PWR_CR1 |= PWR_CR1_VOS_SCALE_3;
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}
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}
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void pwr_enable_overdrive(void)
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{
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PWR_CR1 |= PWR_CR1_ODEN;
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while (!(PWR_CSR1 & PWR_CSR1_ODRDY));
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PWR_CR1 |= PWR_CR1_ODSWEN;
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while (!(PWR_CSR1 & PWR_CSR1_ODSWRDY));
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}
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void pwr_disable_overdrive(void)
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{
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PWR_CR1 &= ~(PWR_CR1_ODEN | PWR_CR1_ODSWEN);
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while (!(PWR_CSR1 & PWR_CSR1_ODSWRDY));
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}
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/**@}*/
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