/**
  ******************************************************************************
  * @file    stm32f7xx_hal_cortex.h
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    12-May-2015
  * @brief   Header file of CORTEX HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2015 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 __STM32F7xx_HAL_CORTEX_H
#define __STM32F7xx_HAL_CORTEX_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f7xx_hal_def.h"

/** @addtogroup STM32F7xx_HAL_Driver
  * @{
  */

/** @addtogroup CORTEX
  * @{
  */ 
/* Exported types ------------------------------------------------------------*/
/** @defgroup CORTEX_Exported_Types Cortex Exported Types
  * @{
  */

#if (__MPU_PRESENT == 1)
/** @defgroup CORTEX_MPU_Region_Initialization_Structure_definition MPU Region Initialization Structure Definition
  * @brief  MPU Region initialization structure 
  * @{
  */
typedef struct
{
  uint8_t                Enable;                /*!< Specifies the status of the region. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Region_Enable                 */
  uint8_t                Number;                /*!< Specifies the number of the region to protect. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Region_Number                 */
  uint32_t               BaseAddress;           /*!< Specifies the base address of the region to protect.                           */
  uint8_t                Size;                  /*!< Specifies the size of the region to protect. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Region_Size                   */
  uint8_t                SubRegionDisable;      /*!< Specifies the number of the subregion protection to disable. 
                                                     This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF    */         
  uint8_t                TypeExtField;          /*!< Specifies the TEX field level.
                                                     This parameter can be a value of @ref CORTEX_MPU_TEX_Levels                    */                 
  uint8_t                AccessPermission;      /*!< Specifies the region access permission type. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Region_Permission_Attributes  */
  uint8_t                DisableExec;           /*!< Specifies the instruction access status. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Instruction_Access            */
  uint8_t                IsShareable;           /*!< Specifies the shareability status of the protected region. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Access_Shareable              */
  uint8_t                IsCacheable;           /*!< Specifies the cacheable status of the region protected. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Access_Cacheable              */
  uint8_t                IsBufferable;          /*!< Specifies the bufferable status of the protected region. 
                                                     This parameter can be a value of @ref CORTEX_MPU_Access_Bufferable             */
}MPU_Region_InitTypeDef;
/**
  * @}
  */
#endif /* __MPU_PRESENT */

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/

/** @defgroup CORTEX_Exported_Constants CORTEX Exported Constants
  * @{
  */

/** @defgroup CORTEX_Preemption_Priority_Group CORTEX Preemption Priority Group
  * @{
  */
#define NVIC_PRIORITYGROUP_0         ((uint32_t)0x00000007) /*!< 0 bits for pre-emption priority
                                                                 4 bits for subpriority */
#define NVIC_PRIORITYGROUP_1         ((uint32_t)0x00000006) /*!< 1 bits for pre-emption priority
                                                                 3 bits for subpriority */
#define NVIC_PRIORITYGROUP_2         ((uint32_t)0x00000005) /*!< 2 bits for pre-emption priority
                                                                 2 bits for subpriority */
#define NVIC_PRIORITYGROUP_3         ((uint32_t)0x00000004) /*!< 3 bits for pre-emption priority
                                                                 1 bits for subpriority */
#define NVIC_PRIORITYGROUP_4         ((uint32_t)0x00000003) /*!< 4 bits for pre-emption priority
                                                                 0 bits for subpriority */
/**
  * @}
  */

/** @defgroup CORTEX_SysTick_clock_source CORTEX _SysTick clock source 
  * @{
  */
#define SYSTICK_CLKSOURCE_HCLK_DIV8    ((uint32_t)0x00000000)
#define SYSTICK_CLKSOURCE_HCLK         ((uint32_t)0x00000004)

/**
  * @}
  */

#if (__MPU_PRESENT == 1)
/** @defgroup CORTEX_MPU_HFNMI_PRIVDEF_Control MPU HFNMI and PRIVILEGED Access control
  * @{
  */
#define  MPU_HFNMI_PRIVDEF_NONE      ((uint32_t)0x00000000)  
#define  MPU_HARDFAULT_NMI           ((uint32_t)0x00000002)
#define  MPU_PRIVILEGED_DEFAULT      ((uint32_t)0x00000004)
#define  MPU_HFNMI_PRIVDEF           ((uint32_t)0x00000006)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Region_Enable CORTEX MPU Region Enable
  * @{
  */
#define  MPU_REGION_ENABLE     ((uint8_t)0x01)
#define  MPU_REGION_DISABLE    ((uint8_t)0x00)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Instruction_Access CORTEX MPU Instruction Access
  * @{
  */
#define  MPU_INSTRUCTION_ACCESS_ENABLE      ((uint8_t)0x00)
#define  MPU_INSTRUCTION_ACCESS_DISABLE     ((uint8_t)0x01)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Access_Shareable CORTEX MPU Instruction Access Shareable
  * @{
  */
#define  MPU_ACCESS_SHAREABLE        ((uint8_t)0x01)
#define  MPU_ACCESS_NOT_SHAREABLE    ((uint8_t)0x00)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Access_Cacheable CORTEX MPU Instruction Access Cacheable
  * @{
  */
#define  MPU_ACCESS_CACHEABLE         ((uint8_t)0x01)
#define  MPU_ACCESS_NOT_CACHEABLE     ((uint8_t)0x00)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Access_Bufferable CORTEX MPU Instruction Access Bufferable
  * @{
  */
#define  MPU_ACCESS_BUFFERABLE         ((uint8_t)0x01)
#define  MPU_ACCESS_NOT_BUFFERABLE     ((uint8_t)0x00)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_TEX_Levels MPU TEX Levels
  * @{
  */
#define  MPU_TEX_LEVEL0    ((uint8_t)0x00)
#define  MPU_TEX_LEVEL1    ((uint8_t)0x01)
#define  MPU_TEX_LEVEL2    ((uint8_t)0x02)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Region_Size CORTEX MPU Region Size
  * @{
  */
#define   MPU_REGION_SIZE_32B      ((uint8_t)0x04)
#define   MPU_REGION_SIZE_64B      ((uint8_t)0x05)
#define   MPU_REGION_SIZE_128B     ((uint8_t)0x06) 
#define   MPU_REGION_SIZE_256B     ((uint8_t)0x07) 
#define   MPU_REGION_SIZE_512B     ((uint8_t)0x08) 
#define   MPU_REGION_SIZE_1KB      ((uint8_t)0x09)  
#define   MPU_REGION_SIZE_2KB      ((uint8_t)0x0A)
#define   MPU_REGION_SIZE_4KB      ((uint8_t)0x0B) 
#define   MPU_REGION_SIZE_8KB      ((uint8_t)0x0C) 
#define   MPU_REGION_SIZE_16KB     ((uint8_t)0x0D) 
#define   MPU_REGION_SIZE_32KB     ((uint8_t)0x0E) 
#define   MPU_REGION_SIZE_64KB     ((uint8_t)0x0F) 
#define   MPU_REGION_SIZE_128KB    ((uint8_t)0x10)
#define   MPU_REGION_SIZE_256KB    ((uint8_t)0x11)
#define   MPU_REGION_SIZE_512KB    ((uint8_t)0x12)
#define   MPU_REGION_SIZE_1MB      ((uint8_t)0x13) 
#define   MPU_REGION_SIZE_2MB      ((uint8_t)0x14) 
#define   MPU_REGION_SIZE_4MB      ((uint8_t)0x15) 
#define   MPU_REGION_SIZE_8MB      ((uint8_t)0x16) 
#define   MPU_REGION_SIZE_16MB     ((uint8_t)0x17)
#define   MPU_REGION_SIZE_32MB     ((uint8_t)0x18)
#define   MPU_REGION_SIZE_64MB     ((uint8_t)0x19)
#define   MPU_REGION_SIZE_128MB    ((uint8_t)0x1A)
#define   MPU_REGION_SIZE_256MB    ((uint8_t)0x1B)
#define   MPU_REGION_SIZE_512MB    ((uint8_t)0x1C)
#define   MPU_REGION_SIZE_1GB      ((uint8_t)0x1D) 
#define   MPU_REGION_SIZE_2GB      ((uint8_t)0x1E) 
#define   MPU_REGION_SIZE_4GB      ((uint8_t)0x1F)
/**                                
  * @}
  */
   
/** @defgroup CORTEX_MPU_Region_Permission_Attributes CORTEX MPU Region Permission Attributes 
  * @{
  */
#define  MPU_REGION_NO_ACCESS      ((uint8_t)0x00)  
#define  MPU_REGION_PRIV_RW        ((uint8_t)0x01) 
#define  MPU_REGION_PRIV_RW_URO    ((uint8_t)0x02)  
#define  MPU_REGION_FULL_ACCESS    ((uint8_t)0x03)  
#define  MPU_REGION_PRIV_RO        ((uint8_t)0x05) 
#define  MPU_REGION_PRIV_RO_URO    ((uint8_t)0x06)
/**
  * @}
  */

/** @defgroup CORTEX_MPU_Region_Number CORTEX MPU Region Number
  * @{
  */
#define  MPU_REGION_NUMBER0    ((uint8_t)0x00)  
#define  MPU_REGION_NUMBER1    ((uint8_t)0x01) 
#define  MPU_REGION_NUMBER2    ((uint8_t)0x02)  
#define  MPU_REGION_NUMBER3    ((uint8_t)0x03)  
#define  MPU_REGION_NUMBER4    ((uint8_t)0x04) 
#define  MPU_REGION_NUMBER5    ((uint8_t)0x05)
#define  MPU_REGION_NUMBER6    ((uint8_t)0x06)
#define  MPU_REGION_NUMBER7    ((uint8_t)0x07)
/**
  * @}
  */
#endif /* __MPU_PRESENT */

/**
  * @}
  */


/* Exported Macros -----------------------------------------------------------*/
/** @defgroup CORTEX_Exported_Macros CORTEX Exported Macros
  * @{
  */

/** @brief Configures the SysTick clock source.
  * @param __CLKSRC__: specifies the SysTick clock source.
  *   This parameter can be one of the following values:
  *     @arg SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source.
  *     @arg SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source.
  * @retval None
  */
#define __HAL_CORTEX_SYSTICKCLK_CONFIG(__CLKSRC__)                             \
                            do {                                               \
                                 if ((__CLKSRC__) == SYSTICK_CLKSOURCE_HCLK)   \
                                  {                                            \
                                    SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK;   \
                                  }                                            \
                                 else                                          \
                                    SysTick->CTRL &= ~SYSTICK_CLKSOURCE_HCLK;  \
                                } while(0)
/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @addtogroup CORTEX_Exported_Functions
  * @{
  */
  
/** @addtogroup CORTEX_Exported_Functions_Group1
 * @{
 */
/* Initialization and de-initialization functions *****************************/
void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup);
void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority);
void HAL_NVIC_EnableIRQ(IRQn_Type IRQn);
void HAL_NVIC_DisableIRQ(IRQn_Type IRQn);
void HAL_NVIC_SystemReset(void);
uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb);
/**
  * @}
  */

/** @addtogroup CORTEX_Exported_Functions_Group2
 * @{
 */
/* Peripheral Control functions ***********************************************/
#if (__MPU_PRESENT == 1)
void HAL_MPU_ConfigRegion(MPU_Region_InitTypeDef *MPU_Init);
#endif /* __MPU_PRESENT */
uint32_t HAL_NVIC_GetPriorityGrouping(void);
void HAL_NVIC_GetPriority(IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority);
uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn);
void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn);
void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn);
uint32_t HAL_NVIC_GetActive(IRQn_Type IRQn);
void HAL_SYSTICK_CLKSourceConfig(uint32_t CLKSource);
void HAL_SYSTICK_IRQHandler(void);
void HAL_SYSTICK_Callback(void);
/**
  * @}
  */

/**
  * @}
  */

/* Private types -------------------------------------------------------------*/ 
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup CORTEX_Private_Macros CORTEX Private Macros
  * @{
  */
#define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PRIORITYGROUP_0) || \
                                       ((GROUP) == NVIC_PRIORITYGROUP_1) || \
                                       ((GROUP) == NVIC_PRIORITYGROUP_2) || \
                                       ((GROUP) == NVIC_PRIORITYGROUP_3) || \
                                       ((GROUP) == NVIC_PRIORITYGROUP_4))

#define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)

#define IS_NVIC_SUB_PRIORITY(PRIORITY)         ((PRIORITY) < 0x10)

#define IS_NVIC_DEVICE_IRQ(IRQ)                ((IRQ) >= 0x00)

#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SYSTICK_CLKSOURCE_HCLK) || \
                                       ((SOURCE) == SYSTICK_CLKSOURCE_HCLK_DIV8))

#if (__MPU_PRESENT == 1)
#define IS_MPU_REGION_ENABLE(STATE) (((STATE) == MPU_REGION_ENABLE) || \
                                     ((STATE) == MPU_REGION_DISABLE))

#define IS_MPU_INSTRUCTION_ACCESS(STATE) (((STATE) == MPU_INSTRUCTION_ACCESS_ENABLE) || \
                                          ((STATE) == MPU_INSTRUCTION_ACCESS_DISABLE))

#define IS_MPU_ACCESS_SHAREABLE(STATE)   (((STATE) == MPU_ACCESS_SHAREABLE) || \
                                          ((STATE) == MPU_ACCESS_NOT_SHAREABLE))

#define IS_MPU_ACCESS_CACHEABLE(STATE)   (((STATE) == MPU_ACCESS_CACHEABLE) || \
                                          ((STATE) == MPU_ACCESS_NOT_CACHEABLE))

#define IS_MPU_ACCESS_BUFFERABLE(STATE)   (((STATE) == MPU_ACCESS_BUFFERABLE) || \
                                          ((STATE) == MPU_ACCESS_NOT_BUFFERABLE))

#define IS_MPU_TEX_LEVEL(TYPE) (((TYPE) == MPU_TEX_LEVEL0)  || \
                                ((TYPE) == MPU_TEX_LEVEL1)  || \
                                ((TYPE) == MPU_TEX_LEVEL2))

#define IS_MPU_REGION_PERMISSION_ATTRIBUTE(TYPE) (((TYPE) == MPU_REGION_NO_ACCESS)   || \
                                                  ((TYPE) == MPU_REGION_PRIV_RW)     || \
                                                  ((TYPE) == MPU_REGION_PRIV_RW_URO) || \
                                                  ((TYPE) == MPU_REGION_FULL_ACCESS) || \
                                                  ((TYPE) == MPU_REGION_PRIV_RO)     || \
                                                  ((TYPE) == MPU_REGION_PRIV_RO_URO))

#define IS_MPU_REGION_NUMBER(NUMBER)    (((NUMBER) == MPU_REGION_NUMBER0) || \
                                         ((NUMBER) == MPU_REGION_NUMBER1) || \
                                         ((NUMBER) == MPU_REGION_NUMBER2) || \
                                         ((NUMBER) == MPU_REGION_NUMBER3) || \
                                         ((NUMBER) == MPU_REGION_NUMBER4) || \
                                         ((NUMBER) == MPU_REGION_NUMBER5) || \
                                         ((NUMBER) == MPU_REGION_NUMBER6) || \
                                         ((NUMBER) == MPU_REGION_NUMBER7))

#define IS_MPU_REGION_SIZE(SIZE)    (((SIZE) == MPU_REGION_SIZE_32B)   || \
                                     ((SIZE) == MPU_REGION_SIZE_64B)   || \
                                     ((SIZE) == MPU_REGION_SIZE_128B)  || \
                                     ((SIZE) == MPU_REGION_SIZE_256B)  || \
                                     ((SIZE) == MPU_REGION_SIZE_512B)  || \
                                     ((SIZE) == MPU_REGION_SIZE_1KB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_2KB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_4KB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_8KB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_16KB)  || \
                                     ((SIZE) == MPU_REGION_SIZE_32KB)  || \
                                     ((SIZE) == MPU_REGION_SIZE_64KB)  || \
                                     ((SIZE) == MPU_REGION_SIZE_128KB) || \
                                     ((SIZE) == MPU_REGION_SIZE_256KB) || \
                                     ((SIZE) == MPU_REGION_SIZE_512KB) || \
                                     ((SIZE) == MPU_REGION_SIZE_1MB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_2MB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_4MB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_8MB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_16MB)  || \
                                     ((SIZE) == MPU_REGION_SIZE_32MB)  || \
                                     ((SIZE) == MPU_REGION_SIZE_64MB)  || \
                                     ((SIZE) == MPU_REGION_SIZE_128MB) || \
                                     ((SIZE) == MPU_REGION_SIZE_256MB) || \
                                     ((SIZE) == MPU_REGION_SIZE_512MB) || \
                                     ((SIZE) == MPU_REGION_SIZE_1GB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_2GB)   || \
                                     ((SIZE) == MPU_REGION_SIZE_4GB))

#define IS_MPU_SUB_REGION_DISABLE(SUBREGION)  ((SUBREGION) < (uint16_t)0x00FF)
#endif /* __MPU_PRESENT */

/**                                                                          
  * @}                                                                  
  */                                                                            
                                                                                   
/* Private functions ---------------------------------------------------------*/   
/** @defgroup CORTEX_Private_Functions CORTEX Private Functions
  * @brief    CORTEX private  functions 
  * @{
  */

#if (__MPU_PRESENT == 1)
/**
  * @brief  Disables the MPU
  * @retval None
  */
__STATIC_INLINE void HAL_MPU_Disable(void)
{
  /* Disable fault exceptions */
  SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
  
  /* Disable the MPU */
  MPU->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
}

/**
  * @brief  Enables the MPU
  * @param  MPU_Control: Specifies the control mode of the MPU during hard fault, 
  *          NMI, FAULTMASK and privileged access to the default memory 
  *          This parameter can be one of the following values:
  *            @arg MPU_HFNMI_PRIVDEF_NONE
  *            @arg MPU_HARDFAULT_NMI
  *            @arg MPU_PRIVILEGED_DEFAULT
  *            @arg MPU_HFNMI_PRIVDEF
  * @retval None
  */
__STATIC_INLINE void HAL_MPU_Enable(uint32_t MPU_Control)
{
  /* Enable the MPU */
  MPU->CTRL   = MPU_Control | MPU_CTRL_ENABLE_Msk;
  
  /* Enable fault exceptions */
  SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
}
#endif /* __MPU_PRESENT */

/**
  * @}
  */

/**
  * @}
  */ 

/**
  * @}
  */
  
#ifdef __cplusplus
}
#endif

#endif /* __STM32F7xx_HAL_CORTEX_H */
 

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