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cleanup: random set of cleanups A random set of cleanups, as found during code reading, and looking around fixing issues. Contains all kinds of things: typo's in comment, typo in variable name, removal of unused code, making things static where possible. Does not contain any functional changes. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Mon, 01 Apr 2019 15:50:41 +0200
parents c78bcbd5deda
children
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/**
  ******************************************************************************
  * @file    stm32f4xx_hal_pwr_ex.h
  * @author  MCD Application Team
  * @brief   Header file of PWR HAL Extension module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */ 

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_HAL_PWR_EX_H
#define __STM32F4xx_HAL_PWR_EX_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"

/** @addtogroup STM32F4xx_HAL_Driver
  * @{
  */

/** @addtogroup PWREx
  * @{
  */ 

/* Exported types ------------------------------------------------------------*/ 
/* Exported constants --------------------------------------------------------*/
/** @defgroup PWREx_Exported_Constants PWREx Exported Constants
  * @{
  */
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
    defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
   
/** @defgroup PWREx_Regulator_state_in_UnderDrive_mode PWREx Regulator state in UnderDrive mode
  * @{
  */
#define PWR_MAINREGULATOR_UNDERDRIVE_ON                       PWR_CR_MRUDS
#define PWR_LOWPOWERREGULATOR_UNDERDRIVE_ON                   ((uint32_t)(PWR_CR_LPDS | PWR_CR_LPUDS))
/**
  * @}
  */ 
  
/** @defgroup PWREx_Over_Under_Drive_Flag PWREx Over Under Drive Flag
  * @{
  */
#define PWR_FLAG_ODRDY                  PWR_CSR_ODRDY
#define PWR_FLAG_ODSWRDY                PWR_CSR_ODSWRDY
#define PWR_FLAG_UDRDY                  PWR_CSR_UDSWRDY
/**
  * @}
  */
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */

/** @defgroup PWREx_Regulator_Voltage_Scale PWREx Regulator Voltage Scale
  * @{
  */
#if defined(STM32F405xx) || defined(STM32F407xx) || defined(STM32F415xx) || defined(STM32F417xx)   
#define PWR_REGULATOR_VOLTAGE_SCALE1         PWR_CR_VOS             /* Scale 1 mode(default value at reset): the maximum value of fHCLK = 168 MHz. */
#define PWR_REGULATOR_VOLTAGE_SCALE2         0x00000000U            /* Scale 2 mode: the maximum value of fHCLK = 144 MHz. */
#else
#define PWR_REGULATOR_VOLTAGE_SCALE1         PWR_CR_VOS             /* Scale 1 mode(default value at reset): the maximum value of fHCLK is 168 MHz. It can be extended to
                                                                       180 MHz by activating the over-drive mode. */
#define PWR_REGULATOR_VOLTAGE_SCALE2         PWR_CR_VOS_1           /* Scale 2 mode: the maximum value of fHCLK is 144 MHz. It can be extended to
                                                                       168 MHz by activating the over-drive mode. */
#define PWR_REGULATOR_VOLTAGE_SCALE3         PWR_CR_VOS_0           /* Scale 3 mode: the maximum value of fHCLK is 120 MHz. */
#endif /* STM32F405xx || STM32F407xx || STM32F415xx || STM32F417xx */ 
/**
  * @}
  */
#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) || defined(STM32F412Zx) || defined(STM32F412Vx) || \
    defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
/** @defgroup PWREx_WakeUp_Pins PWREx WakeUp Pins
  * @{
  */
#define PWR_WAKEUP_PIN2                 0x00000080U
#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F412Zx) || defined(STM32F412Vx) || \
    defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx) 
#define PWR_WAKEUP_PIN3                 0x00000040U
#endif /* STM32F410xx || STM32F412Zx || STM32F412Vx || STM32F412Rx || STM32F412Zx || STM32F412Vx || \
          STM32F412Rx || STM32F412Cx || STM32F413xx || STM32F423xx */
/**
  * @}
  */   
#endif /* STM32F410xx || STM32F446xx || STM32F412Zx || STM32F412Vx || STM32F412Rx || STM32F412Cx ||
          STM32F413xx || STM32F423xx */

/**
  * @}
  */ 
  
/* Exported macro ------------------------------------------------------------*/
/** @defgroup PWREx_Exported_Constants PWREx Exported Constants
  *  @{
  */

#if defined(STM32F405xx) || defined(STM32F407xx) || defined(STM32F415xx) || defined(STM32F417xx)
/** @brief  macros configure the main internal regulator output voltage.
  * @param  __REGULATOR__ specifies the regulator output voltage to achieve
  *         a tradeoff between performance and power consumption when the device does
  *         not operate at the maximum frequency (refer to the datasheets for more details).
  *          This parameter can be one of the following values:
  *            @arg PWR_REGULATOR_VOLTAGE_SCALE1: Regulator voltage output Scale 1 mode
  *            @arg PWR_REGULATOR_VOLTAGE_SCALE2: Regulator voltage output Scale 2 mode
  * @retval None
  */
#define __HAL_PWR_VOLTAGESCALING_CONFIG(__REGULATOR__) do {                                                     \
                                                            __IO uint32_t tmpreg = 0x00U;                        \
                                                            MODIFY_REG(PWR->CR, PWR_CR_VOS, (__REGULATOR__));   \
                                                            /* Delay after an RCC peripheral clock enabling */  \
                                                            tmpreg = READ_BIT(PWR->CR, PWR_CR_VOS);             \
                                                            UNUSED(tmpreg);                                     \
                                                          } while(0U)
#else
/** @brief  macros configure the main internal regulator output voltage.
  * @param  __REGULATOR__ specifies the regulator output voltage to achieve
  *         a tradeoff between performance and power consumption when the device does
  *         not operate at the maximum frequency (refer to the datasheets for more details).
  *          This parameter can be one of the following values:
  *            @arg PWR_REGULATOR_VOLTAGE_SCALE1: Regulator voltage output Scale 1 mode
  *            @arg PWR_REGULATOR_VOLTAGE_SCALE2: Regulator voltage output Scale 2 mode
  *            @arg PWR_REGULATOR_VOLTAGE_SCALE3: Regulator voltage output Scale 3 mode
  * @retval None
  */
#define __HAL_PWR_VOLTAGESCALING_CONFIG(__REGULATOR__) do {                                                     \
                                                            __IO uint32_t tmpreg = 0x00U;                        \
                                                            MODIFY_REG(PWR->CR, PWR_CR_VOS, (__REGULATOR__));   \
                                                            /* Delay after an RCC peripheral clock enabling */  \
                                                            tmpreg = READ_BIT(PWR->CR, PWR_CR_VOS);             \
                                                            UNUSED(tmpreg);                                     \
                                                          } while(0U)
#endif /* STM32F405xx || STM32F407xx || STM32F415xx || STM32F417xx */ 

#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
    defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
/** @brief Macros to enable or disable the Over drive mode.
  * @note  These macros can be used only for STM32F42xx/STM3243xx devices.
  */
#define __HAL_PWR_OVERDRIVE_ENABLE() (*(__IO uint32_t *) CR_ODEN_BB = ENABLE)
#define __HAL_PWR_OVERDRIVE_DISABLE() (*(__IO uint32_t *) CR_ODEN_BB = DISABLE)

/** @brief Macros to enable or disable the Over drive switching.
  * @note  These macros can be used only for STM32F42xx/STM3243xx devices. 
  */
#define __HAL_PWR_OVERDRIVESWITCHING_ENABLE() (*(__IO uint32_t *) CR_ODSWEN_BB = ENABLE)
#define __HAL_PWR_OVERDRIVESWITCHING_DISABLE() (*(__IO uint32_t *) CR_ODSWEN_BB = DISABLE)

/** @brief Macros to enable or disable the Under drive mode.
  * @note  This mode is enabled only with STOP low power mode.
  *        In this mode, the 1.2V domain is preserved in reduced leakage mode. This 
  *        mode is only available when the main regulator or the low power regulator 
  *        is in low voltage mode.      
  * @note  If the Under-drive mode was enabled, it is automatically disabled after 
  *        exiting Stop mode. 
  *        When the voltage regulator operates in Under-drive mode, an additional  
  *        startup delay is induced when waking up from Stop mode.
  */
#define __HAL_PWR_UNDERDRIVE_ENABLE() (PWR->CR |= (uint32_t)PWR_CR_UDEN)
#define __HAL_PWR_UNDERDRIVE_DISABLE() (PWR->CR &= (uint32_t)(~PWR_CR_UDEN))

/** @brief  Check PWR flag is set or not.
  * @note   These macros can be used only for STM32F42xx/STM3243xx devices.
  * @param  __FLAG__ specifies the flag to check.
  *         This parameter can be one of the following values:
  *            @arg PWR_FLAG_ODRDY: This flag indicates that the Over-drive mode
  *                                 is ready 
  *            @arg PWR_FLAG_ODSWRDY: This flag indicates that the Over-drive mode
  *                                   switching is ready  
  *            @arg PWR_FLAG_UDRDY: This flag indicates that the Under-drive mode
  *                                 is enabled in Stop mode
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_PWR_GET_ODRUDR_FLAG(__FLAG__) ((PWR->CSR & (__FLAG__)) == (__FLAG__))

/** @brief Clear the Under-Drive Ready flag.
  * @note  These macros can be used only for STM32F42xx/STM3243xx devices.
  */
#define __HAL_PWR_CLEAR_ODRUDR_FLAG() (PWR->CSR |= PWR_FLAG_UDRDY)

#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @addtogroup PWREx_Exported_Functions PWREx Exported Functions
  *  @{
  */
 
/** @addtogroup PWREx_Exported_Functions_Group1
  * @{
  */
void HAL_PWREx_EnableFlashPowerDown(void);
void HAL_PWREx_DisableFlashPowerDown(void); 
HAL_StatusTypeDef HAL_PWREx_EnableBkUpReg(void);
HAL_StatusTypeDef HAL_PWREx_DisableBkUpReg(void); 
uint32_t HAL_PWREx_GetVoltageRange(void);
HAL_StatusTypeDef HAL_PWREx_ControlVoltageScaling(uint32_t VoltageScaling);

#if defined(STM32F469xx) || defined(STM32F479xx)
void HAL_PWREx_EnableWakeUpPinPolarityRisingEdge(void);
void HAL_PWREx_EnableWakeUpPinPolarityFallingEdge(void);
#endif /* STM32F469xx || STM32F479xx */

#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F401xC) ||\
    defined(STM32F401xE) || defined(STM32F411xE) || defined(STM32F412Zx) || defined(STM32F412Vx) ||\
    defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
void HAL_PWREx_EnableMainRegulatorLowVoltage(void);
void HAL_PWREx_DisableMainRegulatorLowVoltage(void);
void HAL_PWREx_EnableLowRegulatorLowVoltage(void);
void HAL_PWREx_DisableLowRegulatorLowVoltage(void);
#endif /* STM32F410xx || STM32F401xC || STM32F401xE || STM32F411xE || STM32F412Zx || STM32F412Vx ||\
          STM32F412Rx || STM32F412Cx || STM32F413xx || STM32F423xx */

#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx) ||\
    defined(STM32F469xx) || defined(STM32F479xx)
HAL_StatusTypeDef HAL_PWREx_EnableOverDrive(void);
HAL_StatusTypeDef HAL_PWREx_DisableOverDrive(void);
HAL_StatusTypeDef HAL_PWREx_EnterUnderDriveSTOPMode(uint32_t Regulator, uint8_t STOPEntry);
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */

/**
  * @}
  */

/**
  * @}
  */
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup PWREx_Private_Constants PWREx Private Constants
  * @{
  */

/** @defgroup PWREx_register_alias_address PWREx Register alias address
  * @{
  */
/* ------------- PWR registers bit address in the alias region ---------------*/
/* --- CR Register ---*/
/* Alias word address of FPDS bit */
#define FPDS_BIT_NUMBER          PWR_CR_FPDS_Pos
#define CR_FPDS_BB               (uint32_t)(PERIPH_BB_BASE + (PWR_CR_OFFSET_BB * 32U) + (FPDS_BIT_NUMBER * 4U))

/* Alias word address of ODEN bit   */
#define ODEN_BIT_NUMBER          PWR_CR_ODEN_Pos
#define CR_ODEN_BB               (uint32_t)(PERIPH_BB_BASE + (PWR_CR_OFFSET_BB * 32U) + (ODEN_BIT_NUMBER * 4U))

/* Alias word address of ODSWEN bit */
#define ODSWEN_BIT_NUMBER        PWR_CR_ODSWEN_Pos
#define CR_ODSWEN_BB             (uint32_t)(PERIPH_BB_BASE + (PWR_CR_OFFSET_BB * 32U) + (ODSWEN_BIT_NUMBER * 4U))
    
/* Alias word address of MRLVDS bit */
#define MRLVDS_BIT_NUMBER        PWR_CR_MRLVDS_Pos
#define CR_MRLVDS_BB             (uint32_t)(PERIPH_BB_BASE + (PWR_CR_OFFSET_BB * 32U) + (MRLVDS_BIT_NUMBER * 4U))

/* Alias word address of LPLVDS bit */
#define LPLVDS_BIT_NUMBER        PWR_CR_LPLVDS_Pos
#define CR_LPLVDS_BB             (uint32_t)(PERIPH_BB_BASE + (PWR_CR_OFFSET_BB * 32U) + (LPLVDS_BIT_NUMBER * 4U))

 /**
  * @}
  */

/** @defgroup PWREx_CSR_register_alias PWRx CSR Register alias address
  * @{
  */  
/* --- CSR Register ---*/
/* Alias word address of BRE bit */
#define BRE_BIT_NUMBER   PWR_CSR_BRE_Pos
#define CSR_BRE_BB      (uint32_t)(PERIPH_BB_BASE + (PWR_CSR_OFFSET_BB * 32U) + (BRE_BIT_NUMBER * 4U))

#if defined(STM32F469xx) || defined(STM32F479xx)
/* Alias word address of WUPP bit */
#define WUPP_BIT_NUMBER   PWR_CSR_WUPP_Pos
#define CSR_WUPP_BB      (PERIPH_BB_BASE + (PWR_CSR_OFFSET_BB * 32U) + (WUPP_BIT_NUMBER * 4U))
#endif /* STM32F469xx || STM32F479xx */
/**
  * @}
  */

/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @defgroup PWREx_Private_Macros PWREx Private Macros
  * @{
  */

/** @defgroup PWREx_IS_PWR_Definitions PWREx Private macros to check input parameters
  * @{
  */
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
    defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
#define IS_PWR_REGULATOR_UNDERDRIVE(REGULATOR) (((REGULATOR) == PWR_MAINREGULATOR_UNDERDRIVE_ON) || \
                                                ((REGULATOR) == PWR_LOWPOWERREGULATOR_UNDERDRIVE_ON))
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */

#if defined(STM32F405xx) || defined(STM32F407xx) || defined(STM32F415xx) || defined(STM32F417xx)
#define IS_PWR_VOLTAGE_SCALING_RANGE(VOLTAGE) (((VOLTAGE) == PWR_REGULATOR_VOLTAGE_SCALE1) || \
                                               ((VOLTAGE) == PWR_REGULATOR_VOLTAGE_SCALE2))
#else
#define IS_PWR_VOLTAGE_SCALING_RANGE(VOLTAGE) (((VOLTAGE) == PWR_REGULATOR_VOLTAGE_SCALE1) || \
                                               ((VOLTAGE) == PWR_REGULATOR_VOLTAGE_SCALE2) || \
                                               ((VOLTAGE) == PWR_REGULATOR_VOLTAGE_SCALE3))
#endif /* STM32F405xx || STM32F407xx || STM32F415xx || STM32F417xx */ 

#if defined(STM32F446xx)
#define IS_PWR_WAKEUP_PIN(PIN) (((PIN) == PWR_WAKEUP_PIN1) || ((PIN) == PWR_WAKEUP_PIN2))
#elif defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F412Zx) ||\
      defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) ||\
      defined(STM32F423xx)
#define IS_PWR_WAKEUP_PIN(PIN) (((PIN) == PWR_WAKEUP_PIN1) || ((PIN) == PWR_WAKEUP_PIN2) || \
                                ((PIN) == PWR_WAKEUP_PIN3))
#else
#define IS_PWR_WAKEUP_PIN(PIN) ((PIN) == PWR_WAKEUP_PIN1)
#endif /* STM32F446xx */
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */ 

/**
  * @}
  */
  
#ifdef __cplusplus
}
#endif


#endif /* __STM32F4xx_HAL_PWR_EX_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/