mpu设置修改

cubemx/Src/main.c

@@ -810,6 +810,7 @@ void MPU_Config(void)
   MPU_InitStruct.Number = MPU_REGION_NUMBER1;
   MPU_InitStruct.BaseAddress = 0x30000000;
   MPU_InitStruct.Size = MPU_REGION_SIZE_128KB;
+  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
 
   HAL_MPU_ConfigRegion(&MPU_InitStruct);
 
@@ -822,17 +823,19 @@ void MPU_Config(void)
 
   /** Initializes and configures the Region and the memory to be protected
   */
-  MPU_InitStruct.Number = MPU_REGION_NUMBER3;
-  MPU_InitStruct.BaseAddress = 0x0;
+  MPU_InitStruct.Number = MPU_REGION_NUMBER4;
+  MPU_InitStruct.BaseAddress = 0x30040000;
   MPU_InitStruct.Size = MPU_REGION_SIZE_32KB;
+  MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;
 
   HAL_MPU_ConfigRegion(&MPU_InitStruct);
 
   /** Initializes and configures the Region and the memory to be protected
   */
-  MPU_InitStruct.Number = MPU_REGION_NUMBER4;
+  MPU_InitStruct.Number = MPU_REGION_NUMBER5;
   MPU_InitStruct.BaseAddress = 0xC0000000;
   MPU_InitStruct.Size = MPU_REGION_SIZE_32MB;
+  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
 
   HAL_MPU_ConfigRegion(&MPU_InitStruct);
   /* Enables the MPU */

cubemx/Src/stm32h7xx_hal_msp.c

@@ -127,6 +127,7 @@ void HAL_DMA2D_MspDeInit(DMA2D_HandleTypeDef* hdma2d)
   * @param hltdc: LTDC handle pointer
   * @retval None
   */
+
 /**
   * @brief LTDC MSP De-Initialization
   * This function freeze the hardware resources used in this example
@@ -707,7 +708,7 @@ void HAL_HCD_MspInit(HCD_HandleTypeDef* hhcd)
     GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
     GPIO_InitStruct.Alternate = GPIO_AF10_OTG1_FS;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);