l4/pwr.h

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/** @defgroup pwr_defines PWR Defines
 *
 * @ingroup STM32L4xx_defines
 *
 * @brief <b>Defined Constants and Types for the STM32L4xx Power Control</b>
 *
 * @version 1.0.0
 *
 * @author @htmlonly &copy; @endhtmlonly 2016 Benjamin Levine <benjamin@jesco.karoo.co.uk>
 *
 * @date 12 February 2016
 *
 * LGPL License Terms @ref lgpl_license
 *  */
 
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2016 Benjamin Levine <benjamin@jesco.karoo.co.uk>
 *
 * 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/>.
 */
 
/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA PWR.H
The order of header inclusion is important. pwr.h includes the device
specific memorymap.h header before including this header file.*/
 
/**@{*/
#ifndef LIBOPENCM3_PWR_H
#define LIBOPENCM3_PWR_H
 
 
 
/* --- PWR registers ------------------------------------------------------- */
 
#define PWR_CR1                 MMIO32(POWER_CONTROL_BASE + 0x00)
#define PWR_CR2                 MMIO32(POWER_CONTROL_BASE + 0x04)
#define PWR_CR3                 MMIO32(POWER_CONTROL_BASE + 0x08)
#define PWR_CR4                 MMIO32(POWER_CONTROL_BASE + 0x0C)
#define PWR_SR1                 MMIO32(POWER_CONTROL_BASE + 0x10)
#define PWR_SR2                 MMIO32(POWER_CONTROL_BASE + 0x14)
#define PWR_SCR                 MMIO32(POWER_CONTROL_BASE + 0x18)
 
#define PWR_PORT_A              MMIO32(POWER_CONTROL_BASE + 0x20)
#define PWR_PORT_B              MMIO32(POWER_CONTROL_BASE + 0x28)
#define PWR_PORT_C              MMIO32(POWER_CONTROL_BASE + 0x30)
#define PWR_PORT_D              MMIO32(POWER_CONTROL_BASE + 0x38)
#define PWR_PORT_E              MMIO32(POWER_CONTROL_BASE + 0x40)
#define PWR_PORT_F              MMIO32(POWER_CONTROL_BASE + 0x48)
#define PWR_PORT_G              MMIO32(POWER_CONTROL_BASE + 0x50)
#define PWR_PORT_H              MMIO32(POWER_CONTROL_BASE + 0x58)
 
#define PWR_PUCR(pwr_port)      MMIO32((pwr_port) + 0x00)
#define PWR_PDCR(pwr_port)      MMIO32((pwr_port) + 0x04)
 
/* --- PWR_CR1 values ------------------------------------------------------- */
 
#define PWR_CR1_LPR                     (1 << 14)
 
#define PWR_CR1_VOS_SHIFT               9
#define PWR_CR1_VOS_MASK                0x3
#define PWR_CR1_VOS_RANGE_1             1
#define PWR_CR1_VOS_RANGE_2             2
 
#define PWR_CR1_DBP                     (1 << 8)
 
#define PWR_CR1_LPMS_SHIFT              0
#define PWR_CR1_LPMS_MASK               0x07
#define PWR_CR1_LPMS_STOP_0             0
#define PWR_CR1_LPMS_STOP_1             1
#define PWR_CR1_LPMS_STOP_2             2
#define PWR_CR1_LPMS_STANDBY            3
#define PWR_CR1_LPMS_SHUTDOWN           4
 
/* --- PWR_CR2 values ------------------------------------------------------- */
 
#define PWR_CR2_USV             (1 << 10)
#define PWR_CR2_IOSV            (1 << 9)
#define PWR_CR2_PVME4           (1 << 7)
#define PWR_CR2_PVME3           (1 << 6)
#define PWR_CR2_PVME2           (1 << 5)
#define PWR_CR2_PVME1           (1 << 4)
 
#define PWR_CR2_PLS_SHIFT       1
#define PWR_CR2_PLS_MASK        0x07
/** @defgroup pwr_pls PVD level selection
@ingroup STM32L4_pwr_defines
@{*/
#define PWR_CR2_PLS_2V0                 0x00
#define PWR_CR2_PLS_2V2                 0x01
#define PWR_CR2_PLS_2V4                 0x02
#define PWR_CR2_PLS_2V5                 0x03
#define PWR_CR2_PLS_2V6                 0x04
#define PWR_CR2_PLS_2V8                 0x05
#define PWR_CR2_PLS_2V9                 0x06
#define PWR_CR2_PLS_PVD_IN              0x07
/**@}*/
 
#define PWR_CR2_PVDE            (1 << 0)
 
/* --- PWR_CR3 values ------------------------------------------------------- */
 
#define PWR_CR3_EIWUL           (1 << 15)
#define PWR_CR3_APC             (1 << 10)
#define PWR_CR3_RRS             (1 << 8)
#define PWR_CR3_EWUP5           (1 << 4)
#define PWR_CR3_EWUP4           (1 << 3)
#define PWR_CR3_EWUP3           (1 << 2)
#define PWR_CR3_EWUP2           (1 << 1)
#define PWR_CR3_EWUP1           (1 << 0)
 
/* --- PWR_CR4 values ------------------------------------------------------- */
 
#define PWR_CR4_VBRS            (1 << 9)
#define PWR_CR4_VBE             (1 << 8)
#define PWR_CR4_WP5             (1 << 4)
#define PWR_CR4_WP4             (1 << 3)
#define PWR_CR4_WP3             (1 << 2)
#define PWR_CR4_WP2             (1 << 1)
#define PWR_CR4_WP1             (1 << 0)
 
/* --- PWR_SR1 values ------------------------------------------------------- */
 
#define PWR_SR1_WUFI            (1 << 15)
#define PWR_SR1_SBF             (1 << 8)
#define PWR_SR1_WUF5            (1 << 4)
#define PWR_SR1_WUF4            (1 << 3)
#define PWR_SR1_WUF3            (1 << 2)
#define PWR_SR1_WUF2            (1 << 1)
#define PWR_SR1_WUF1            (1 << 0)
 
/* --- PWR_SR2 values ------------------------------------------------------- */
 
#define PWR_SR2_PVMO4           (1 << 15)
#define PWR_SR2_PVMO3           (1 << 14)
#define PWR_SR2_PVMO2           (1 << 13)
#define PWR_SR2_PVMO1           (1 << 12)
#define PWR_SR2_PVDO            (1 << 11)
#define PWR_SR2_VOSF            (1 << 10)
#define PWR_SR2_REGLPF          (1 << 9)
#define PWR_SR2_REGLPS          (1 << 8)
 
/* --- PWR_SCR values ------------------------------------------------------- */
 
#define PWR_SCR_CSBF            (1 << 8)
#define PWR_SCR_CWUF5           (1 << 4)
#define PWR_SCR_CWUF4           (1 << 3)
#define PWR_SCR_CWUF3           (1 << 2)
#define PWR_SCR_CWUF2           (1 << 1)
#define PWR_SCR_CWUF1           (1 << 0)
 
/* --- PWR function prototypes ------------------------------------------- */
 
enum pwr_vos_scale {
        PWR_SCALE1,
        PWR_SCALE2,
};
 
BEGIN_DECLS
 
void pwr_set_vos_scale(enum pwr_vos_scale scale);
void pwr_disable_backup_domain_write_protect(void);
void pwr_enable_backup_domain_write_protect(void);
 
END_DECLS
 
#endif
/**@}*/