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+/**
+ ******************************************************************************
+ * @file CortexM3/MPU/accesspermission.c
+ * @author MCD Application Team
+ * @version V3.5.0
+ * @date 08-April-2011
+ * @brief Access rights configuration using Cortex-M3 MPU regions.
+ ******************************************************************************
+ * @attention
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+ * @{
+ */
+
+/** @addtogroup CortexM3_MPU
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define ARRAY_ADDRESS_START (0x20002000UL)
+#define ARRAY_SIZE (0x09UL << 0UL)
+#define ARRAY_REGION_NUMBER (0x03UL << MPU_RNR_REGION_Pos)
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+#if defined ( __CC_ARM )
+uint8_t privilegedreadonlyarray[32] __attribute__((at(0x20002000)));
+
+#elif defined ( __ICCARM__ )
+#pragma location=0x20002000
+__no_init uint8_t privilegedreadonlyarray[32];
+
+#elif defined ( __GNUC__ )
+uint8_t privilegedreadonlyarray[32] __attribute__((section(".ROarraySection")));
+
+#elif defined ( __TASKING__ )
+uint8_t privilegedreadonlyarray[32] __at(0x20002000);
+#endif
+
+/* Private functions ---------------------------------------------------------*/
+/**
+ * @brief This function configure the access right using Cortex-M3 MPU regions.
+ * @param None
+ * @retval None
+ */
+void accesspermission(void)
+{
+ uint8_t a;
+
+ /* Configure region for privilegedreadonlyarray as REGION NÝ3, 32byte and R
+ only in privileged mode */
+ MPU->RNR = ARRAY_REGION_NUMBER;
+ MPU->RBAR |= ARRAY_ADDRESS_START;
+ MPU->RASR |= ARRAY_SIZE | portMPU_REGION_PRIVILEGED_READ_ONLY;
+
+ /* Read from privilegedreadonlyarray. This will not generate error */
+ a = privilegedreadonlyarray[0];
+
+ /* Uncomment the following line to write to privilegedreadonlyarray. This will
+ generate error */
+ //privilegedreadonlyarray[0] = 'e';
+
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/