cc8c8a2f83
- Change .power_save to .voltage_scale, a pwr_vos_scale enum - Enable pwr clock before setting VOS scale - Fix flash wait states - Make flash_set_ws more robust
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/** @defgroup pwr_defines PWR Defines
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@brief <b>Defined Constants and Types for the STM32F4xx Power Control</b>
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@ingroup STM32F4xx_defines
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@version 1.0.0
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@author @htmlonly © @endhtmlonly 2011 Stephen Caudle <scaudle@doceme.com>
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@date 4 March 2013
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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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*
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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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#ifndef LIBOPENCM3_PWR_H
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#define LIBOPENCM3_PWR_H
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#include <libopencm3/stm32/common/pwr_common_v1.h>
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/*
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* This file extends the common STM32 version with definitions only
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* applicable to the STM32F4 series of devices.
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*/
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/* --- PWR_CR values ------------------------------------------------------- */
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/* Bits [31:16]: Reserved */
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/* VOS: Regulator voltage scaling output selection */
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#define PWR_CR_VOS_SHIFT 14
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#define PWR_CR_VOS_MASK 0x3
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/* Bits [13:10]: Reserved */
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/* FPDS: Flash power down in stop mode */
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#define PWR_CR_FPDS (1 << 9)
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/* --- PWR_CSR values ------------------------------------------------------ */
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/* Bits [31:15]: Reserved */
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/* VOSRDY: Regulator voltage scaling output selection ready bit */
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#define PWR_CSR_VOSRDY (1 << 14)
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/* Bits [13:10]: Reserved */
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/* BRE: Backup regulator enable */
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#define PWR_CSR_BRE (1 << 9)
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/* Bits [7:4]: Reserved */
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/* BRR: Backup regulator ready */
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#define PWR_CSR_BRR (1 << 3)
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/* --- Function prototypes ------------------------------------------------- */
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enum pwr_vos_scale {
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PWR_SCALE1 = 0x3,
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PWR_SCALE2 = 0x2,
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PWR_SCALE3 = 0x1,
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};
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BEGIN_DECLS
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void pwr_set_vos_scale(enum pwr_vos_scale scale);
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END_DECLS
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#endif
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