/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file FLASH/FLASH_FastProgram/Src/main.c
* @author MCD Application Team
* @brief This example provides a description of how to erase and fast program
* the STM32WLxx FLASH.
******************************************************************************
* @attention
*
* Copyright (c) 2020 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.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define FLASH_ROW_SIZE 32
/* @note All the executable code is mapped in SRAM1 area */
#define FLASH_USER_START_ADDR ADDR_FLASH_PAGE_0 /* Start @ of user Flash area */
#define FLASH_USER_END_ADDR (ADDR_FLASH_PAGE_127 + FLASH_PAGE_SIZE - 1) /* End @ of user Flash area */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
uint32_t Address = 0, PAGEError = 0;
__IO uint32_t MemoryProgramStatus = 0;
__IO uint64_t data64 = 0;
/* Variable used for Erase procedure*/
static FLASH_EraseInitTypeDef EraseInitStruct;
/* Table used for fast programming */
static const uint64_t Data64_To_Prog[FLASH_ROW_SIZE] = {
0x0000000000000000, 0x1111111111111111, 0x2222222222222222, 0x3333333333333333,
0x4444444444444444, 0x5555555555555555, 0x6666666666666666, 0x7777777777777777,
0x8888888888888888, 0x9999999999999999, 0xAAAAAAAAAAAAAAAA, 0xBBBBBBBBBBBBBBBB,
0xCCCCCCCCCCCCCCCC, 0xDDDDDDDDDDDDDDDD, 0xEEEEEEEEEEEEEEEE, 0xFFFFFFFFFFFFFFFF,
0x0011001100110011, 0x2233223322332233, 0x4455445544554455, 0x6677667766776677,
0x8899889988998899, 0xAABBAABBAABBAABB, 0xCCDDCCDDCCDDCCDD, 0xEEFFEEFFEEFFEEFF,
0x2200220022002200, 0x3311331133113311, 0x6644664466446644, 0x7755775577557755,
0xAA88AA88AA88AA88, 0xBB99BB99BB99BB99, 0xEECCEECCEECCEECC, 0xFFDDFFDDFFDDFFDD};
uint8_t data_index = 0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
uint32_t src_addr = (uint32_t)Data64_To_Prog;
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
/* USER CODE BEGIN 2 */
/* Initialize LED2, LED1 and LED3 */
BSP_LED_Init(LED2);
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/* Unlock the Flash to enable the flash control register access *************/
HAL_FLASH_Unlock();
/* Erase the user Flash area
(area defined by FLASH_USER_START_ADDR and FLASH_USER_END_ADDR) ***********/
/* Clear OPTVERR bit set on virgin samples */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);
/* Fill EraseInit structure*/
EraseInitStruct.TypeErase = FLASH_TYPEERASE_MASSERASE;
if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK)
{
/*
Error occurred while mass erase.
User can add here some code to deal with this error.
To know the code error, user can call function 'HAL_FLASH_GetError()'
*/
/* Infinite loop */
while (1)
{
/* Switch on LED3 to indicate error in Erase operation */
BSP_LED_On(LED3);
}
}
/* Program the user Flash area word by word
(area defined by FLASH_USER_START_ADDR and FLASH_USER_END_ADDR) ***********/
Address = FLASH_USER_START_ADDR;
while (Address < FLASH_USER_END_ADDR)
{
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_FAST, Address, (uint64_t)src_addr) == HAL_OK)
{
Address = Address + (FLASH_ROW_SIZE*sizeof(uint64_t));
}
else
{
/* Error occurred while writing data in Flash memory.
User can add here some code to deal with this error */
while (1)
{
/* Switch on LED3 to indicate error in Write operation */
BSP_LED_On(LED3);
}
}
}
/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) *********/
HAL_FLASH_Lock();
/* Check if the programmed data is OK
MemoryProgramStatus = 0: data programmed correctly
MemoryProgramStatus != 0: number of words not programmed correctly ******/
Address = FLASH_USER_START_ADDR;
MemoryProgramStatus = 0x0;
while (Address < FLASH_USER_END_ADDR)
{
for (data_index = 0; data_index < FLASH_ROW_SIZE; data_index++)
{
data64 = *(__IO uint64_t *)Address;
if(data64 != Data64_To_Prog[data_index])
{
MemoryProgramStatus++;
}
Address = Address + sizeof(uint64_t);
}
}
/*Check if there is an issue to program data*/
if (MemoryProgramStatus == 0)
{
/* No error detected. Switch on LED2*/
BSP_LED_On(LED2);
}
else
{
/* Error detected. Switch on LED1*/
BSP_LED_On(LED1);
}
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_8;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4;
RCC_OscInitStruct.PLL.PLLN = 24;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK3|RCC_CLOCKTYPE_HCLK
|RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.AHBCLK3Divider = RCC_SYSCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#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 CODE BEGIN 6 */
/* 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)
{
}
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */