/** ****************************************************************************** * @file CortexM3/MPU/main.c * @author MCD Application Team * @version V3.5.0 * @date 08-April-2011 * @brief Main program body ****************************************************************************** * @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. * *

© COPYRIGHT 2011 STMicroelectronics

****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "stm32_eval.h" /** @addtogroup STM32F10x_StdPeriph_Examples * @{ */ /** @addtogroup CortexM3_MPU * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ #define ACCESS_PERMISSION /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ void MPU_SETUP(void); /* Private functions ---------------------------------------------------------*/ /** * @brief Main program. * @param None * @retval None */ int main(void) { /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f10x_xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f10x.c file */ /* Configure LED1 and LED2 */ STM_EVAL_LEDInit(LED1); STM_EVAL_LEDInit(LED2); /* Set MPU regions */ MPU_SETUP(); #ifdef ACCESS_PERMISSION accesspermission(); #endif /* Infinite loop */ while (1) { /* Turn On LED1 */ STM_EVAL_LEDOn(LED1); } } /** * @brief Configures the main MPU regions. * @param None * @retval None */ void MPU_SETUP(void) { /* Disable MPU */ MPU->CTRL &= ~MPU_CTRL_ENABLE_Msk; /* Configure RAM region as Region NƯ0, 8kB of size and R/W region */ MPU->RNR = RAM_REGION_NUMBER; MPU->RBAR = RAM_ADDRESS_START; MPU->RASR = RAM_SIZE | portMPU_REGION_READ_WRITE; /* Configure FLASH region as REGION NƯ1, 1MB of size and R/W region */ MPU->RNR = FLASH_REGION_NUMBER; MPU->RBAR = FLASH_ADDRESS_START; MPU->RASR = FLASH_SIZE | portMPU_REGION_READ_WRITE; /* Configure Peripheral region as REGION NƯ2, 0.5GB of size, R/W and Execute Never region */ MPU->RNR = PERIPH_REGION_NUMBER; MPU->RBAR = PERIPH_ADDRESS_START; MPU->RASR = PERIPH_SIZE |portMPU_REGION_READ_WRITE | MPU_RASR_XN_Msk; /* Enable the memory fault exception */ SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk; /* Enable MPU */ MPU->CTRL |= MPU_CTRL_PRIVDEFENA_Msk | MPU_CTRL_ENABLE_Msk; } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t* file, uint32_t line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */ /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/