/** ****************************************************************************** * @file IAP/IAP_Main/Src/main.c * @author MCD Application Team * @brief Main program body ****************************************************************************** * @attention * * Copyright (c) 2016 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "menu.h" /** @addtogroup STM32F7xx_IAP_Main * @{ */ /* Exported variables --------------------------------------------------------*/ /* UART handler declaration */ UART_HandleTypeDef UartHandle; /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ FLASH_OBProgramInitTypeDef OBInit; extern pFunction JumpToApplication; extern uint32_t JumpAddress; /* Private function prototypes -----------------------------------------------*/ static void MPU_Config(void); static void IAP_Init(void); static void SystemClock_Config(void); static void ConfigError_Handler(void); static void CPU_CACHE_Enable(void); /** * @brief Main program * @param None * @retval None */ int main(void) { /* Configure the MPU attributes */ MPU_Config(); /* Enable the CPU Cache */ CPU_CACHE_Enable(); /* STM32F7xx HAL library initialization: - Configure the Flash ART accelerator on ITCM interface - Configure the Systick to generate an interrupt each 1 msec - Set NVIC Group Priority to 4 - Global MSP (MCU Support Package) initialization */ HAL_Init(); /* Configure the system clock to 216 MHz */ SystemClock_Config(); /* Configure LED3 */ BSP_LED_Init(LED3); /* Get FLASH bank confiuration (single or dual) */ HAL_FLASHEx_OBGetConfig(&OBInit); #ifdef USE_DUAL_BANK_FLASH if((OBInit.USERConfig & OB_NDBANK_SINGLE_BANK) != OB_NDBANK_DUAL_BANK) { ConfigError_Handler(); } #else /* Use a Single Bank Flash */ if((OBInit.USERConfig & OB_NDBANK_SINGLE_BANK) != OB_NDBANK_SINGLE_BANK) { ConfigError_Handler(); } #endif /* USE_DUAL_BANK_FLASH */ /* Initialize Tamper Button mounted on STM32F769I-EVAL board */ BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO); /* Test if Tamper push-button on STM32F769I-EVAL Board is pressed */ if (BSP_PB_GetState(BUTTON_TAMPER) == GPIO_PIN_SET) { /* Execute the IAP driver in order to reprogram the Flash */ IAP_Init(); /* Display main menu */ Main_Menu (); } /* Keep the user application running */ else { /* Test if user code is programmed starting from address "APPLICATION_ADDRESS" */ if (((*(__IO uint32_t*)APPLICATION_ADDRESS) & 0x2FFE0000 ) == 0x20000000) { /* Jump to user application */ JumpAddress = *(__IO uint32_t*) (APPLICATION_ADDRESS + 4); JumpToApplication = (pFunction) JumpAddress; /* Initialize user application's Stack Pointer */ __set_MSP(*(__IO uint32_t*) APPLICATION_ADDRESS); JumpToApplication(); } } while (1) {} } /** * @brief System Clock Configuration * The system Clock is configured as follow : * System Clock source = PLL (HSE) * SYSCLK(Hz) = 216000000 * HCLK(Hz) = 216000000 * AHB Prescaler = 1 * APB1 Prescaler = 4 * APB2 Prescaler = 2 * HSE Frequency(Hz) = 25000000 * PLL_M = 25 * PLL_N = 432 * PLL_P = 2 * PLL_Q = 9 * VDD(V) = 3.3 * Main regulator output voltage = Scale1 mode * Flash Latency(WS) = 7 * @param None * @retval None */ static void SystemClock_Config(void) { RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct; /* Enable HSE Oscillator and activate PLL with HSE as source */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.HSIState = RCC_HSI_OFF; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = 25; RCC_OscInitStruct.PLL.PLLN = 432; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLQ = 9; RCC_OscInitStruct.PLL.PLLR = 7; HAL_RCC_OscConfig(&RCC_OscInitStruct); /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */ RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7); } /** * @brief Initialize the IAP: Configure USART. * @param None * @retval None */ static void IAP_Init(void) { /* USART resources configuration (Clock, GPIO pins and USART registers) ----*/ /* USART configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ UartHandle.Init.BaudRate = 115200; UartHandle.Init.WordLength = UART_WORDLENGTH_8B; UartHandle.Init.StopBits = UART_STOPBITS_1; UartHandle.Init.Parity = UART_PARITY_NONE; UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; UartHandle.Init.Mode = UART_MODE_RX | UART_MODE_TX; BSP_COM_Init(COM1, &UartHandle); } /** * @brief This function is executed in case of Flash configuration error. * @param None * @retval None */ static void ConfigError_Handler(void) { /* Turn ON LED2 */ BSP_LED_Toggle(LED2); } /** * @brief CPU L1-Cache enable. * @param None * @retval None */ static void CPU_CACHE_Enable(void) { /* Enable I-Cache */ SCB_EnableICache(); /* Enable D-Cache */ SCB_EnableDCache(); } /** * @brief Configure the MPU attributes * @param None * @retval None */ static void MPU_Config(void) { MPU_Region_InitTypeDef MPU_InitStruct; /* Disable the MPU */ HAL_MPU_Disable(); /* Configure the MPU as Strongly ordered for not defined regions */ MPU_InitStruct.Enable = MPU_REGION_ENABLE; MPU_InitStruct.BaseAddress = 0x00; MPU_InitStruct.Size = MPU_REGION_SIZE_4GB; MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS; MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE; MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE; MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE; MPU_InitStruct.Number = MPU_REGION_NUMBER0; MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0; MPU_InitStruct.SubRegionDisable = 0x87; MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE; HAL_MPU_ConfigRegion(&MPU_InitStruct); /* Enable the MPU */ HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); } #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 /** * @} */