Esempi in C++ (Cpp) per HAL_MPU_ConfigRegion

Esempio n. 1

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File: drv_mpu.c Progetto: rtt-gimbal/rt-thread

int mpu_init(void)
{
  MPU_Region_InitTypeDef MPU_InitStruct;
  
  /* Disable the MPU */
  HAL_MPU_Disable();

  /* Configure the MPU attributes as WT for SRAM */
  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress = 0x20010000;
  MPU_InitStruct.Size = MPU_REGION_SIZE_256KB;
  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
  MPU_InitStruct.Number = MPU_REGION_NUMBER0;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;

  HAL_MPU_ConfigRegion(&MPU_InitStruct);

  /* Configure the MPU attributes as WB for SDRAM */
  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress = 0xC0000000;
  MPU_InitStruct.Size = MPU_REGION_SIZE_8MB;
  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
  MPU_InitStruct.Number = MPU_REGION_NUMBER1;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;

  HAL_MPU_ConfigRegion(&MPU_InitStruct);

  /* Configure the MPU attributes as none-cache for 1MB SDRAM */
  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress = 0xC0100000;
  MPU_InitStruct.Size = MPU_REGION_SIZE_1MB;
  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
  MPU_InitStruct.Number = MPU_REGION_NUMBER2;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;

  HAL_MPU_ConfigRegion(&MPU_InitStruct);
    
  /* Enable the MPU */
  HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
	return 0;
}

Esempio n. 2

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File: stm32_mpu.c Progetto: pierreroth64/STM32Cube_FW_F4

/**
  * @brief  This function configures the access right using Cortex-M4 MPU regions.
  * @param  None
  * @retval None
  */
void MPU_AccessPermConfig(void)
{
  MPU_Region_InitTypeDef MPU_InitStruct;

  /* Configure region for PrivilegedReadOnlyArray as REGION N°3, 32byte and R
     only in privileged mode */
  /* Disable MPU */
  HAL_MPU_Disable();

  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress = ARRAY_ADDRESS_START;
  MPU_InitStruct.Size = ARRAY_SIZE;
  MPU_InitStruct.AccessPermission = portMPU_REGION_PRIVILEGED_READ_ONLY;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
  MPU_InitStruct.Number = ARRAY_REGION_NUMBER;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
  
  HAL_MPU_ConfigRegion(&MPU_InitStruct);
  
  /* Enable MPU */
  HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);

  /* Read from PrivilegedReadOnlyArray. This will not generate error */
  uiTemp = PrivilegedReadOnlyArray[0];
  
  /* Uncomment the following line to write to PrivilegedReadOnlyArray. This will
     generate error */
  /* PrivilegedReadOnlyArray[0] = 'e'; */ 
}

Esempio n. 3

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File: main.c Progetto: ydavit/stm32f7_discovery_template

/**
 * @brief Configure the MPU attributes as Write Through for SRAM1/2.
 * @note The Base Address is 0x20010000 since this memory interface is the
 * AXI. The Region Size is 256KB, it is related to SRAM1 and SRAM2  memory size.
 */
static void MPU_Config(void)
{
    MPU_Region_InitTypeDef MPU_InitStruct;

    // Disable the MPU
    HAL_MPU_Disable();

    // Configure the MPU attributes as WT for SRAM
    MPU_InitStruct.Enable = MPU_REGION_ENABLE;
    MPU_InitStruct.BaseAddress = 0x20010000;
    MPU_InitStruct.Size = MPU_REGION_SIZE_256KB;
    MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
    MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
    MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
    MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
    MPU_InitStruct.Number = MPU_REGION_NUMBER0;
    MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
    MPU_InitStruct.SubRegionDisable = 0x00;
    MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;

    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    // Enable the MPU
    HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
}

Esempio n. 4

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File: stm32_mpu.c Progetto: pierreroth64/STM32Cube_FW_F4

/**
  * @brief  Configures the main MPU regions.
  * @param  None
  * @retval None
  */
void MPU_Config(void)
{
  MPU_Region_InitTypeDef MPU_InitStruct;

  /* Disable MPU */
  HAL_MPU_Disable();

  /* Configure RAM region as Region N°0, 8kB of size and R/W region */
  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress = RAM_ADDRESS_START;
  MPU_InitStruct.Size = RAM_SIZE;
  MPU_InitStruct.AccessPermission = portMPU_REGION_READ_WRITE;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
  MPU_InitStruct.Number = RAM_REGION_NUMBER;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
  
  HAL_MPU_ConfigRegion(&MPU_InitStruct);
  
  /* Configure FLASH region as REGION N°1, 1MB of size and R/W region */
  MPU_InitStruct.BaseAddress = FLASH_ADDRESS_START;
  MPU_InitStruct.Size = FLASH_SIZE;
  MPU_InitStruct.Number = FLASH_REGION_NUMBER;
  
  HAL_MPU_ConfigRegion(&MPU_InitStruct);

  /* Configure Peripheral region as REGION N°2, 0.5GB of size, R/W and Execute
  Never region */
  MPU_InitStruct.BaseAddress = PERIPH_ADDRESS_START;
  MPU_InitStruct.Size = PERIPH_SIZE;
  MPU_InitStruct.Number = PERIPH_REGION_NUMBER;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;
  
  HAL_MPU_ConfigRegion(&MPU_InitStruct);

  /* Enable MPU */
  HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
}

Esempio n. 5

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File: main.c Progetto: miragecentury/M2_SE_RTOS_Project

void MPU_Config(void)
{
    MPU_Region_InitTypeDef MPU_InitStruct;

    //Disable MPU
    HAL_MPU_Disable();

    //SRAM
    MPU_InitStruct.Enable = MPU_REGION_ENABLE;
    MPU_InitStruct.Number = MPU_REGION_NUMBER0;
    MPU_InitStruct.BaseAddress = 0x20000000;
    MPU_InitStruct.Size = MPU_REGION_SIZE_512KB;
    MPU_InitStruct.SubRegionDisable = 0;
    MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
    MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
    MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
    MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
    MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
    MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    //SRAM2
    MPU_InitStruct.Enable = MPU_REGION_ENABLE;
    MPU_InitStruct.Number = MPU_REGION_NUMBER1;
    MPU_InitStruct.BaseAddress = 0x2004C000;
    MPU_InitStruct.Size = MPU_REGION_SIZE_16KB;
    MPU_InitStruct.SubRegionDisable = 0;
    MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
    MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
    MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
    MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
    MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
    MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    //SDRAM
    MPU_InitStruct.Enable = MPU_REGION_ENABLE;
    MPU_InitStruct.Number = MPU_REGION_NUMBER2;
    MPU_InitStruct.BaseAddress = 0xC0000000;
    MPU_InitStruct.Size = MPU_REGION_SIZE_8MB;
    MPU_InitStruct.SubRegionDisable = 0;
    MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
    MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
    MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
    MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
    MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
    MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    //LCD frame buffer
    MPU_InitStruct.Enable = MPU_REGION_ENABLE;
    MPU_InitStruct.Number = MPU_REGION_NUMBER3;
    MPU_InitStruct.BaseAddress = 0xC0400000;
    MPU_InitStruct.Size = MPU_REGION_SIZE_4MB;
    MPU_InitStruct.SubRegionDisable = 0;
    MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
    MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
    MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
    MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
    MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
    MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    //Enable MPU
    HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
}