mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
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299 lines
9.8 KiB
C
299 lines
9.8 KiB
C
/**
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******************************************************************************
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* @file FLASH/FLASH_WriteProtection/Src/main.c
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* @author MCD Application Team
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* @brief This example provides a description of how to erase and program the
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* STM32F4xx FLASH.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/** @addtogroup STM32F4xx_HAL_Examples
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* @{
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*/
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/** @addtogroup FLASH_WriteProtection
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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#define MESSAGE1 "STM32F429X"
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#define MESSAGE2 "Device running on"
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#ifdef FLASH_BANK1
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#define MESSAGE3 "FLASH BANK1"
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#define MESSAGE7 "Swap BFB2"
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#else
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#define MESSAGE3 "FLASH BANK2"
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#define MESSAGE7 "Swap BFB1"
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#endif
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#define MESSAGE5 "PUSH Key button"
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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FLASH_OBProgramInitTypeDef OBInit;
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FLASH_AdvOBProgramInitTypeDef AdvOBInit;
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uint8_t Message[24];
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uint32_t VAR = 0;
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__IO uint32_t tmp = 0;
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/* Private function prototypes -----------------------------------------------*/
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static void SystemClock_Config(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Main program
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* @param None
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* @retval None
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*/
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int main(void)
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{
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/* STM32F4xx HAL library initialization:
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- Configure the Flash prefetch, instruction and Data caches
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- Configure the Systick to generate an interrupt each 1 msec
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- Set NVIC Group Priority to 4
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- Global MSP (MCU Support Package) initialization
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*/
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HAL_Init();
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/* Configure the system clock to 180 MHz */
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SystemClock_Config();
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/* Configure TAMPER Button */
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BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
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/* Configure LED3 and LED4 */
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BSP_LED_Init(LED3);
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BSP_LED_Init(LED4);
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/*##-1- Initialize the LCD #################################################*/
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/* Initialize the LCD */
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BSP_LCD_Init();
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/* Set LCD font */
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BSP_LCD_SetFont(&Font20);
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/* LCD Layer Initialization */
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BSP_LCD_LayerDefaultInit(1, 0xC0130000);
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BSP_LCD_SelectLayer(1);
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BSP_LCD_DisplayOn();
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/*##-2- Display messages on LCD ############################################*/
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/* Clear the LCD */
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BSP_LCD_Clear(LCD_COLOR_WHITE);
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#ifdef FLASH_BANK1
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BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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#else
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BSP_LCD_SetBackColor(LCD_COLOR_RED);
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BSP_LCD_SetTextColor(LCD_COLOR_RED);
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#endif /* BOOT_FROM_BANK1 */
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BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 100);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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/* Display LCD messages */
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BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)MESSAGE1, CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 20, (uint8_t *)MESSAGE3, CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 40, (uint8_t *)MESSAGE5, CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)MESSAGE7, CENTER_MODE);
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/* Turn on LEDs */
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BSP_LED_On(LED3);
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BSP_LED_On(LED4);
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/* Infinite loop */
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while (1)
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{
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/*--- If Wake-up button is pushed, Set BFB2 bit to enable boot from Bank2
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(active after next reset, w/ Boot pins set in Boot from Flash memory position ---*/
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/* Wait for TAMPER push-button is released */
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while (BSP_PB_GetState(BUTTON_TAMPER) != RESET)
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{
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#ifdef FLASH_BANK1
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/* Toggle LED3 */
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BSP_LED_Toggle(LED3);
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/* Insert 50 ms delay */
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HAL_Delay(50);
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#else
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/* Toggle LED4 */
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BSP_LED_Toggle(LED4);
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/* Insert 50 ms delay */
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HAL_Delay(50);
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#endif
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}
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/* Set BFB2 bit to enable boot from Flash Bank2 */
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/* Allow Access to Flash control registers and user Falsh */
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HAL_FLASH_Unlock();
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/* Allow Access to option bytes sector */
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HAL_FLASH_OB_Unlock();
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/* Get the Dual boot configuration status */
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AdvOBInit.OptionType = OPTIONBYTE_BOOTCONFIG;
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HAL_FLASHEx_AdvOBGetConfig(&AdvOBInit);
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/* Enable/Disable dual boot feature */
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if (((AdvOBInit.BootConfig) & (FLASH_OPTCR_BFB2)) == FLASH_OPTCR_BFB2)
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{
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AdvOBInit.BootConfig = OB_DUAL_BOOT_DISABLE;
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HAL_FLASHEx_AdvOBProgram (&AdvOBInit);
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}
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else
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{
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AdvOBInit.BootConfig = OB_DUAL_BOOT_ENABLE;
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HAL_FLASHEx_AdvOBProgram (&AdvOBInit);
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}
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/* Start the Option Bytes programming process */
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if (HAL_FLASH_OB_Launch() != HAL_OK)
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{
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/* User can add here some code to deal with this error */
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while (1)
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{
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}
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}
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/* Prevent Access to option bytes sector */
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HAL_FLASH_OB_Lock();
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/* Disable the Flash option control register access (recommended to protect
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the option Bytes against possible unwanted operations) */
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HAL_FLASH_Lock();
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/* Initiates a system reset request to reset the MCU */
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HAL_NVIC_SystemReset();
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}
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 180000000
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* HCLK(Hz) = 180000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 4
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* APB2 Prescaler = 2
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 25
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* PLL_N = 360
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* PLL_P = 2
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* PLL_Q = 7
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale1 mode
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* Flash Latency(WS) = 5
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 25;
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RCC_OscInitStruct.PLL.PLLN = 360;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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/* Activate the Over-Drive mode */
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HAL_PWREx_EnableOverDrive();
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t* file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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