Changeset 23 for trunk/firmware/App/CubeMX/Appli

Timestamp:

Oct 5, 2026, 8:38:52 AM (4 weeks ago)

Author:

Zed

Message:

BLTO2_APP:

• Added MPU settings.

File:

• trunk/firmware/App/CubeMX/Appli/Core/Src/main.c (modified) (3 diffs)

trunk/firmware/App/CubeMX/Appli/Core/Src/main.c

@@ -48 +48 @@
 
 /* Private function prototypes -----------------------------------------------*/
+static void MPU_Config(void);
 /* USER CODE BEGIN PFP */
 
@@ -66 +67 @@
   /* USER CODE BEGIN 1 */
 
+  /* System clock already configured, simply SystemCoreClock init */
+  SystemCoreClockUpdate();
+
   /* USER CODE END 1 */
+
+  /* MPU Configuration--------------------------------------------------------*/
+  MPU_Config();
+
+  /* Enable the CPU Cache */
+
+  /* Enable I-Cache---------------------------------------------------------*/
+  SCB_EnableICache();
+
+  /* Enable D-Cache---------------------------------------------------------*/
+  SCB_EnableDCache();
 
   /* MCU Configuration--------------------------------------------------------*/
@@ -100 +115 @@
 /* USER CODE END 4 */
 
+ /* MPU Configuration */
+
+void MPU_Config(void)
+{
+  MPU_Region_InitTypeDef MPU_InitStruct = {0};
+  MPU_Attributes_InitTypeDef MPU_AttributesInit = {0};
+  uint32_t primask_bit = __get_PRIMASK();
+  __disable_irq();
+
+  /* Disables the MPU */
+  HAL_MPU_Disable();
+
+  /** Initializes and configures the Region 0 and the memory to be protected
+  */
+  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
+  MPU_InitStruct.Number = MPU_REGION_NUMBER0;
+  MPU_InitStruct.BaseAddress = 0x38000000;
+  MPU_InitStruct.LimitAddress = 0x38000040;
+  MPU_InitStruct.AttributesIndex = MPU_ATTRIBUTES_NUMBER0;
+  MPU_InitStruct.AccessPermission = MPU_REGION_ALL_RW;
+  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
+  MPU_InitStruct.DisablePrivExec = MPU_PRIV_INSTRUCTION_ACCESS_ENABLE;
+  MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
+
+  HAL_MPU_ConfigRegion(&MPU_InitStruct);
+
+  /** Initializes and configures the Attribute 0 and the memory to be protected
+  */
+  MPU_AttributesInit.Number = MPU_ATTRIBUTES_NUMBER0;
+  MPU_AttributesInit.Attributes = INNER_OUTER(MPU_NOT_CACHEABLE);
+
+  HAL_MPU_ConfigMemoryAttributes(&MPU_AttributesInit);
+  /* Enables the MPU */
+  HAL_MPU_Enable(MPU_HFNMI_PRIVDEF);
+
+  /* Exit critical section to lock the system and avoid any issue around MPU mechanism */
+  __set_PRIMASK(primask_bit);
+
+}
+
 /**
   * @brief  This function is executed in case of error occurrence.