STM32HAL库-F1内部Flash读写操作（官网驱动）
STM32HAL库-F1内部Flash读写操作，参考官网驱动编写
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目录
概述
本文章内部Flash，驱动代码参考ST官网代码综合修改完成，调试没有问题，在此提供该大家参考，同时做个笔录也方便后续自己查阅，直接上代码。Flash合理分配方便后续添加IAP功能做准备。
硬件：STM32F103CBT6最小系统板
软件：Keil 5.29 + STM32CubeMX5.6.1
每个型号对应的FLASH操作都不一样，需要查阅对应的datasheet，这里不再赘述，也可以参考我这篇文章前面部分
链接，网上也有类似文章。
想更详细的了解，请阅读《STM32中文参考手册》，自行上网查找资料下载。
一、代码
1、usart.c
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file usart.c
* @brief This file provides code for the configuration
* of the USART instances.
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 "usart.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
UART_HandleTypeDef huart1;
/* USART1 init function */
void MX_USART1_UART_Init(void)
{
/* USER CODE BEGIN USART1_Init 0 */
/* USER CODE END USART1_Init 0 */
/* USER CODE BEGIN USART1_Init 1 */
/* USER CODE END USART1_Init 1 */
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
huart1.Init.WordLength = UART_WORDLENGTH_8B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
if (HAL_UART_Init(&huart1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART1_Init 2 */
/* USER CODE END USART1_Init 2 */
}
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(uartHandle->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspInit 0 */
/* USER CODE END USART1_MspInit 0 */
/* USART1 clock enable */
__HAL_RCC_USART1_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN USART1_MspInit 1 */
/* USER CODE END USART1_MspInit 1 */
}
}
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{
if(uartHandle->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspDeInit 0 */
/* USER CODE END USART1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USART1_CLK_DISABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
/* USER CODE BEGIN USART1_MspDeInit 1 */
/* USER CODE END USART1_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
#include "stdio.h"
#ifdef __GNUC__
/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
/**
* @brief Retargets the C library printf function to the USART.
* @param None
* @retval None
*/
PUTCHAR_PROTOTYPE
{
/* Place your implementation of fputc here */
/* e.g. write a character to the EVAL_COM1 and Loop until the end of transmission */
HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF);
return ch;
}
int fgetc(FILE * f)
{
uint8_t ch = 0;
HAL_UART_Receive(&huart1, (uint8_t *)&ch, 1, 0xffff);
return ch;
}
/* USER CODE END 1 */
2、flash_if.h
/*
* flash_if.h
*
* Created on: September 5th, 2020
* Author: Champion
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __FLASH_IF_H
#define __FLASH_IF_H
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Base address of the Flash sectors -----------------------------------------*/
#define ADDR_FLASH_PAGE_0 ((uint32_t)0x08000000) /* Base @ of Page 0, 1 Kbytes */
#define ADDR_FLASH_PAGE_1 ((uint32_t)0x08000400) /* Base @ of Page 1, 1 Kbytes */
#define ADDR_FLASH_PAGE_2 ((uint32_t)0x08000800) /* Base @ of Page 2, 1 Kbytes */
#define ADDR_FLASH_PAGE_3 ((uint32_t)0x08000C00) /* Base @ of Page 3, 1 Kbytes */
#define ADDR_FLASH_PAGE_4 ((uint32_t)0x08001000) /* Base @ of Page 4, 1 Kbytes */
#define ADDR_FLASH_PAGE_5 ((uint32_t)0x08001400) /* Base @ of Page 5, 1 Kbytes */
#define ADDR_FLASH_PAGE_6 ((uint32_t)0x08001800) /* Base @ of Page 6, 1 Kbytes */
#define ADDR_FLASH_PAGE_7 ((uint32_t)0x08001C00) /* Base @ of Page 7, 1 Kbytes */
#define ADDR_FLASH_PAGE_8 ((uint32_t)0x08002000) /* Base @ of Page 8, 1 Kbytes */
#define ADDR_FLASH_PAGE_9 ((uint32_t)0x08002400) /* Base @ of Page 9, 1 Kbytes */
#define ADDR_FLASH_PAGE_10 ((uint32_t)0x08002800) /* Base @ of Page 10, 1 Kbytes */
#define ADDR_FLASH_PAGE_11 ((uint32_t)0x08002C00) /* Base @ of Page 11, 1 Kbytes */
#define ADDR_FLASH_PAGE_12 ((uint32_t)0x08003000) /* Base @ of Page 12, 1 Kbytes */
#define ADDR_FLASH_PAGE_13 ((uint32_t)0x08003400) /* Base @ of Page 13, 1 Kbytes */
#define ADDR_FLASH_PAGE_14 ((uint32_t)0x08003800) /* Base @ of Page 14, 1 Kbytes */
#define ADDR_FLASH_PAGE_15 ((uint32_t)0x08003C00) /* Base @ of Page 15, 1 Kbytes */
#define ADDR_FLASH_PAGE_16 ((uint32_t)0x08004000) /* Base @ of Page 16, 1 Kbytes */
#define ADDR_FLASH_PAGE_17 ((uint32_t)0x08004400) /* Base @ of Page 17, 1 Kbytes */
#define ADDR_FLASH_PAGE_18 ((uint32_t)0x08004800) /* Base @ of Page 18, 1 Kbytes */
#define ADDR_FLASH_PAGE_19 ((uint32_t)0x08004C00) /* Base @ of Page 19, 1 Kbytes */
#define ADDR_FLASH_PAGE_20 ((uint32_t)0x08005000) /* Base @ of Page 20, 1 Kbytes */
#define ADDR_FLASH_PAGE_21 ((uint32_t)0x08005400) /* Base @ of Page 21, 1 Kbytes */
#define ADDR_FLASH_PAGE_22 ((uint32_t)0x08005800) /* Base @ of Page 22, 1 Kbytes */
#define ADDR_FLASH_PAGE_23 ((uint32_t)0x08005C00) /* Base @ of Page 23, 1 Kbytes */
#define ADDR_FLASH_PAGE_24 ((uint32_t)0x08006000) /* Base @ of Page 24, 1 Kbytes */
#define ADDR_FLASH_PAGE_25 ((uint32_t)0x08006400) /* Base @ of Page 25, 1 Kbytes */
#define ADDR_FLASH_PAGE_26 ((uint32_t)0x08006800) /* Base @ of Page 26, 1 Kbytes */
#define ADDR_FLASH_PAGE_27 ((uint32_t)0x08006C00) /* Base @ of Page 27, 1 Kbytes */
#define ADDR_FLASH_PAGE_28 ((uint32_t)0x08007000) /* Base @ of Page 28, 1 Kbytes */
#define ADDR_FLASH_PAGE_29 ((uint32_t)0x08007400) /* Base @ of Page 29, 1 Kbytes */
#define ADDR_FLASH_PAGE_30 ((uint32_t)0x08007800) /* Base @ of Page 30, 1 Kbytes */
#define ADDR_FLASH_PAGE_31 ((uint32_t)0x08007C00) /* Base @ of Page 31, 1 Kbytes */
#define ADDR_FLASH_PAGE_32 ((uint32_t)0x08008000) /* Base @ of Page 32, 1 Kbytes */
#define ADDR_FLASH_PAGE_33 ((uint32_t)0x08008400) /* Base @ of Page 33, 1 Kbytes */
#define ADDR_FLASH_PAGE_34 ((uint32_t)0x08008800) /* Base @ of Page 34, 1 Kbytes */
#define ADDR_FLASH_PAGE_35 ((uint32_t)0x08008C00) /* Base @ of Page 35, 1 Kbytes */
#define ADDR_FLASH_PAGE_36 ((uint32_t)0x08009000) /* Base @ of Page 36, 1 Kbytes */
#define ADDR_FLASH_PAGE_37 ((uint32_t)0x08009400) /* Base @ of Page 37, 1 Kbytes */
#define ADDR_FLASH_PAGE_38 ((uint32_t)0x08009800) /* Base @ of Page 38, 1 Kbytes */
#define ADDR_FLASH_PAGE_39 ((uint32_t)0x08009C00) /* Base @ of Page 39, 1 Kbytes */
#define ADDR_FLASH_PAGE_40 ((uint32_t)0x0800A000) /* Base @ of Page 40, 1 Kbytes */
#define ADDR_FLASH_PAGE_41 ((uint32_t)0x0800A400) /* Base @ of Page 41, 1 Kbytes */
#define ADDR_FLASH_PAGE_42 ((uint32_t)0x0800A800) /* Base @ of Page 42, 1 Kbytes */
#define ADDR_FLASH_PAGE_43 ((uint32_t)0x0800AC00) /* Base @ of Page 43, 1 Kbytes */
#define ADDR_FLASH_PAGE_44 ((uint32_t)0x0800B000) /* Base @ of Page 44, 1 Kbytes */
#define ADDR_FLASH_PAGE_45 ((uint32_t)0x0800B400) /* Base @ of Page 45, 1 Kbytes */
#define ADDR_FLASH_PAGE_46 ((uint32_t)0x0800B800) /* Base @ of Page 46, 1 Kbytes */
#define ADDR_FLASH_PAGE_47 ((uint32_t)0x0800BC00) /* Base @ of Page 47, 1 Kbytes */
#define ADDR_FLASH_PAGE_48 ((uint32_t)0x0800C000) /* Base @ of Page 48, 1 Kbytes */
#define ADDR_FLASH_PAGE_49 ((uint32_t)0x0800C400) /* Base @ of Page 49, 1 Kbytes */
#define ADDR_FLASH_PAGE_50 ((uint32_t)0x0800C800) /* Base @ of Page 50, 1 Kbytes */
#define ADDR_FLASH_PAGE_51 ((uint32_t)0x0800CC00) /* Base @ of Page 51, 1 Kbytes */
#define ADDR_FLASH_PAGE_52 ((uint32_t)0x0800D000) /* Base @ of Page 52, 1 Kbytes */
#define ADDR_FLASH_PAGE_53 ((uint32_t)0x0800D400) /* Base @ of Page 53, 1 Kbytes */
#define ADDR_FLASH_PAGE_54 ((uint32_t)0x0800D800) /* Base @ of Page 54, 1 Kbytes */
#define ADDR_FLASH_PAGE_55 ((uint32_t)0x0800DC00) /* Base @ of Page 55, 1 Kbytes */
#define ADDR_FLASH_PAGE_56 ((uint32_t)0x0800E000) /* Base @ of Page 56, 1 Kbytes */
#define ADDR_FLASH_PAGE_57 ((uint32_t)0x0800E400) /* Base @ of Page 57, 1 Kbytes */
#define ADDR_FLASH_PAGE_58 ((uint32_t)0x0800E800) /* Base @ of Page 58, 1 Kbytes */
#define ADDR_FLASH_PAGE_59 ((uint32_t)0x0800EC00) /* Base @ of Page 59, 1 Kbytes */
#define ADDR_FLASH_PAGE_60 ((uint32_t)0x0800F000) /* Base @ of Page 60, 1 Kbytes */
#define ADDR_FLASH_PAGE_61 ((uint32_t)0x0800F400) /* Base @ of Page 61, 1 Kbytes */
#define ADDR_FLASH_PAGE_62 ((uint32_t)0x0800F800) /* Base @ of Page 62, 1 Kbytes */
#define ADDR_FLASH_PAGE_63 ((uint32_t)0x0800FC00) /* Base @ of Page 63, 1 Kbytes */
#define ADDR_FLASH_PAGE_64 ((uint32_t)0x08010000) /* Base @ of Page 64, 1 Kbytes */
#define ADDR_FLASH_PAGE_65 ((uint32_t)0x08010400) /* Base @ of Page 65, 1 Kbytes */
#define ADDR_FLASH_PAGE_66 ((uint32_t)0x08010800) /* Base @ of Page 66, 1 Kbytes */
#define ADDR_FLASH_PAGE_67 ((uint32_t)0x08010C00) /* Base @ of Page 67, 1 Kbytes */
#define ADDR_FLASH_PAGE_68 ((uint32_t)0x08011000) /* Base @ of Page 68, 1 Kbytes */
#define ADDR_FLASH_PAGE_69 ((uint32_t)0x08011400) /* Base @ of Page 69, 1 Kbytes */
#define ADDR_FLASH_PAGE_70 ((uint32_t)0x08011800) /* Base @ of Page 70, 1 Kbytes */
#define ADDR_FLASH_PAGE_71 ((uint32_t)0x08011C00) /* Base @ of Page 71, 1 Kbytes */
#define ADDR_FLASH_PAGE_72 ((uint32_t)0x08012000) /* Base @ of Page 72, 1 Kbytes */
#define ADDR_FLASH_PAGE_73 ((uint32_t)0x08012400) /* Base @ of Page 73, 1 Kbytes */
#define ADDR_FLASH_PAGE_74 ((uint32_t)0x08012800) /* Base @ of Page 74, 1 Kbytes */
#define ADDR_FLASH_PAGE_75 ((uint32_t)0x08012C00) /* Base @ of Page 75, 1 Kbytes */
#define ADDR_FLASH_PAGE_76 ((uint32_t)0x08013000) /* Base @ of Page 76, 1 Kbytes */
#define ADDR_FLASH_PAGE_77 ((uint32_t)0x08013400) /* Base @ of Page 77, 1 Kbytes */
#define ADDR_FLASH_PAGE_78 ((uint32_t)0x08013800) /* Base @ of Page 78, 1 Kbytes */
#define ADDR_FLASH_PAGE_79 ((uint32_t)0x08013C00) /* Base @ of Page 79, 1 Kbytes */
#define ADDR_FLASH_PAGE_80 ((uint32_t)0x08014000) /* Base @ of Page 80, 1 Kbytes */
#define ADDR_FLASH_PAGE_81 ((uint32_t)0x08014400) /* Base @ of Page 81, 1 Kbytes */
#define ADDR_FLASH_PAGE_82 ((uint32_t)0x08014800) /* Base @ of Page 82, 1 Kbytes */
#define ADDR_FLASH_PAGE_83 ((uint32_t)0x08014C00) /* Base @ of Page 83, 1 Kbytes */
#define ADDR_FLASH_PAGE_84 ((uint32_t)0x08015000) /* Base @ of Page 84, 1 Kbytes */
#define ADDR_FLASH_PAGE_85 ((uint32_t)0x08015400) /* Base @ of Page 85, 1 Kbytes */
#define ADDR_FLASH_PAGE_86 ((uint32_t)0x08015800) /* Base @ of Page 86, 1 Kbytes */
#define ADDR_FLASH_PAGE_87 ((uint32_t)0x08015C00) /* Base @ of Page 87, 1 Kbytes */
#define ADDR_FLASH_PAGE_88 ((uint32_t)0x08016000) /* Base @ of Page 88, 1 Kbytes */
#define ADDR_FLASH_PAGE_89 ((uint32_t)0x08016400) /* Base @ of Page 89, 1 Kbytes */
#define ADDR_FLASH_PAGE_90 ((uint32_t)0x08016800) /* Base @ of Page 90, 1 Kbytes */
#define ADDR_FLASH_PAGE_91 ((uint32_t)0x08016C00) /* Base @ of Page 91, 1 Kbytes */
#define ADDR_FLASH_PAGE_92 ((uint32_t)0x08017000) /* Base @ of Page 92, 1 Kbytes */
#define ADDR_FLASH_PAGE_93 ((uint32_t)0x08017400) /* Base @ of Page 93, 1 Kbytes */
#define ADDR_FLASH_PAGE_94 ((uint32_t)0x08017800) /* Base @ of Page 94, 1 Kbytes */
#define ADDR_FLASH_PAGE_95 ((uint32_t)0x08017C00) /* Base @ of Page 95, 1 Kbytes */
#define ADDR_FLASH_PAGE_96 ((uint32_t)0x08018000) /* Base @ of Page 96, 1 Kbytes */
#define ADDR_FLASH_PAGE_97 ((uint32_t)0x08018400) /* Base @ of Page 97, 1 Kbytes */
#define ADDR_FLASH_PAGE_98 ((uint32_t)0x08018800) /* Base @ of Page 98, 1 Kbytes */
#define ADDR_FLASH_PAGE_99 ((uint32_t)0x08018C00) /* Base @ of Page 99, 1 Kbytes */
#define ADDR_FLASH_PAGE_100 ((uint32_t)0x08019000) /* Base @ of Page 100, 1 Kbytes */
#define ADDR_FLASH_PAGE_101 ((uint32_t)0x08019400) /* Base @ of Page 101, 1 Kbytes */
#define ADDR_FLASH_PAGE_102 ((uint32_t)0x08019800) /* Base @ of Page 102, 1 Kbytes */
#define ADDR_FLASH_PAGE_103 ((uint32_t)0x08019C00) /* Base @ of Page 103, 1 Kbytes */
#define ADDR_FLASH_PAGE_104 ((uint32_t)0x0801A000) /* Base @ of Page 104, 1 Kbytes */
#define ADDR_FLASH_PAGE_105 ((uint32_t)0x0801A400) /* Base @ of Page 105, 1 Kbytes */
#define ADDR_FLASH_PAGE_106 ((uint32_t)0x0801A800) /* Base @ of Page 106, 1 Kbytes */
#define ADDR_FLASH_PAGE_107 ((uint32_t)0x0801AC00) /* Base @ of Page 107, 1 Kbytes */
#define ADDR_FLASH_PAGE_108 ((uint32_t)0x0801B000) /* Base @ of Page 108, 1 Kbytes */
#define ADDR_FLASH_PAGE_109 ((uint32_t)0x0801B400) /* Base @ of Page 109, 1 Kbytes */
#define ADDR_FLASH_PAGE_110 ((uint32_t)0x0801B800) /* Base @ of Page 110, 1 Kbytes */
#define ADDR_FLASH_PAGE_111 ((uint32_t)0x0801BC00) /* Base @ of Page 111, 1 Kbytes */
#define ADDR_FLASH_PAGE_112 ((uint32_t)0x0801C000) /* Base @ of Page 112, 1 Kbytes */
#define ADDR_FLASH_PAGE_113 ((uint32_t)0x0801C400) /* Base @ of Page 113, 1 Kbytes */
#define ADDR_FLASH_PAGE_114 ((uint32_t)0x0801C800) /* Base @ of Page 114, 1 Kbytes */
#define ADDR_FLASH_PAGE_115 ((uint32_t)0x0801CC00) /* Base @ of Page 115, 1 Kbytes */
#define ADDR_FLASH_PAGE_116 ((uint32_t)0x0801D000) /* Base @ of Page 116, 1 Kbytes */
#define ADDR_FLASH_PAGE_117 ((uint32_t)0x0801D400) /* Base @ of Page 117, 1 Kbytes */
#define ADDR_FLASH_PAGE_118 ((uint32_t)0x0801D800) /* Base @ of Page 118, 1 Kbytes */
#define ADDR_FLASH_PAGE_119 ((uint32_t)0x0801DC00) /* Base @ of Page 119, 1 Kbytes */
#define ADDR_FLASH_PAGE_120 ((uint32_t)0x0801E000) /* Base @ of Page 120, 1 Kbytes */
#define ADDR_FLASH_PAGE_121 ((uint32_t)0x0801E400) /* Base @ of Page 121, 1 Kbytes */
#define ADDR_FLASH_PAGE_122 ((uint32_t)0x0801E800) /* Base @ of Page 122, 1 Kbytes */
#define ADDR_FLASH_PAGE_123 ((uint32_t)0x0801EC00) /* Base @ of Page 123, 1 Kbytes */
#define ADDR_FLASH_PAGE_124 ((uint32_t)0x0801F000) /* Base @ of Page 124, 1 Kbytes */
#define ADDR_FLASH_PAGE_125 ((uint32_t)0x0801F400) /* Base @ of Page 125, 1 Kbytes */
#define ADDR_FLASH_PAGE_126 ((uint32_t)0x0801F800) /* Base @ of Page 126, 1 Kbytes */
#define ADDR_FLASH_PAGE_127 ((uint32_t)0x0801FC00) /* Base @ of Page 127, 1 Kbytes */
/* Base address of the Flash sectors -----------------------------------------*/
#ifdef STORAGE_BLK_SIZ
#undef STORAGE_BLK_SIZ
#endif
#ifdef STORAGE_BLK_NBR
#undef STORAGE_BLK_NBR
#endif
//#ifdef STORAGE_LUN_NBR
//#undef STORAGE_LUN_NBR
//#endif
//#define STORAGE_LUN_NBR 1u
#define STORAGE_BLOCK_SIZE (2)
#define STORAGE_BLK_SIZ (1024/STORAGE_BLOCK_SIZE)
#define STORAGE_BLK_NBR ((50*1024)/STORAGE_BLK_SIZ)
//分配地址以页对齐
//#define FLASH_PAGE_SIZE 1024 //1 Kbyte per page
#define FLASH_START_ADDR 0x08000000 //Origin
#define FLASH_MAX_SIZE 0x00020000 //Max FLASH size = 128 Kbyte
#define FLASH_END_ADDR (FLASH_START_ADDR + FLASH_MAX_SIZE) //FLASH end address
#define FLASH_BOOT_START_ADDR (FLASH_START_ADDR) //Bootloader start address
#define FLASH_BOOT_SIZE 0x00006800 //26 Kbyte for bootloader
#define FLASH_APP_START_ADDR (FLASH_BOOT_START_ADDR + FLASH_BOOT_SIZE) //User application start address
#define FLASH_APP_SIZE 0x0000C800 //50 Kbyte for user application
#define FLASH_MSD_START_ADDR (FLASH_APP_START_ADDR + FLASH_APP_SIZE) //USB MSD start address
#define FLASH_MSD_SIZE 0x0000c800 //50 Kbyte for USB MASS Storage
#define FLASH_OTHER_START_ADDR (FLASH_MSD_START_ADDR + FLASH_MSD_SIZE) //Other free memory start address
#define FLASH_OTHER_SIZE (FLASH_END_ADDR - FLASH_OTHER_START_ADDR) //Free memory size 2Kbyte
#define FLASH_MSD_BLK_NBR ((FLASH_END_ADDR - FLASH_MSD_START_ADDR - FLASH_OTHER_SIZE) / 1024) //50块
//#define FLASH_MSD_BLK_NBR ((FLASH_END_ADDR - FLASH_MSD_START_ADDR) / 1024) //100块
//#define FLASH_START_ADDR_1 0x08008000
#pragma pack (1)
typedef struct
{
uint32_t FLASH_SIZE; /* Get flash size */
uint32_t SECTOR_COUNT; /* Get media size */
uint32_t SECTOR_SIZE; /* Get sector size */
uint32_t BLOCK_SIZE; /* Block Size in Bytes */
uint32_t STORAGE_LUN_NBr; /* 分区 */
uint32_t STORAGE_BLOCK_NBR; /* 块数量(U盘总容量) */
uint32_t STORAGE_BLOCK_SIZ; /* 块大小(U盘分配单元大小) */
uint32_t PAGE_SIZE;
}Flash_Parameter;
#pragma pack ()
extern Flash_Parameter Flash_Paramet;
/* Error code */
enum
{
FLASHIF_OK = 0,
FLASHIF_ERASEKO,
FLASHIF_WRITINGCTRL_ERROR,
FLASHIF_WRITING_ERROR,
FLASHIF_PROTECTION_ERRROR
};
/* protection type */
enum{
FLASHIF_PROTECTION_NONE = 0,
FLASHIF_PROTECTION_PCROPENABLED = 0x1,
FLASHIF_PROTECTION_WRPENABLED = 0x2,
FLASHIF_PROTECTION_RDPENABLED = 0x4,
};
/* protection update */
enum {
FLASHIF_WRP_ENABLE,
FLASHIF_WRP_DISABLE
};
/* Define the address from where user application will be loaded.
Note: this area is reserved for the IAP code */
#define FLASH_PAGE_STEP FLASH_PAGE_SIZE /* Size of page : 1024 Kbytes */
#define APPLICATION_ADDRESS FLASH_USER_APP_START_ADDR //(uint32_t)0x08008000
/* Notable Flash addresses */
#define USER_FLASH_END_ADDRESS FLASH_END_ADDR
///* Define the user application size */
#define USER_FLASH_SIZE FLASH_BOOT_SIZE /* Small default template application */
/* Define bitmap representing user flash area that could be write protected (check restricted to pages 3-63). */
#define FLASH_PAGE_TO_BE_PROTECTED (OB_WRP_PAGES0TO3 | OB_WRP_PAGES4TO7 | OB_WRP_PAGES8TO11 | OB_WRP_PAGES12TO15 | \
OB_WRP_PAGES16TO19 | OB_WRP_PAGES20TO23 | OB_WRP_PAGES24TO27 | OB_WRP_PAGES28TO31 | \
OB_WRP_PAGES32TO35 | OB_WRP_PAGES36TO39 | OB_WRP_PAGES40TO43 | OB_WRP_PAGES44TO47 | \
OB_WRP_PAGES48TO51 | OB_WRP_PAGES52TO55 | OB_WRP_PAGES56TO59 | OB_WRP_PAGES60TO63 )
extern uint32_t AppAddresssCurren;
/* Exported functions ------------------------------------------------------- */
void FLASH_If_Init(void);
uint32_t FLASH_If_Erase(uint32_t startSectorAddr, uint32_t NbrOfPages);
uint32_t FLASH_If_GetWriteProtectionStatus(void);
uint32_t FLASH_If_Write(uint32_t FlashAddress, uint32_t* pData, uint32_t DataLength);
uint32_t FLASH_If_Write2Byte(uint32_t FlashAddress, uint16_t* pData, uint32_t DataLength);
uint32_t FLASH_If_WriteProtectionConfig(uint32_t protectionstate);
uint32_t FLASH_If_Read(uint32_t FlashAddress, uint32_t* pData, uint32_t DataLength);
uint32_t FLASH_If_Read2Byte(uint32_t FlashAddress, uint16_t* pData, uint32_t DataLength);
uint32_t FLASH_If_Write_Ex(uint32_t FlashAddress, uint32_t* Data, uint32_t DataLength, uint8_t is32bit);
uint32_t FLASH_If_Read_Ex(uint32_t FlashAddress, uint32_t* Data, uint32_t DataLength, uint8_t is32bit);
#endif /* __FLASH_IF_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
3、flash_if.c
/*
* flash_if.c
*
* Created on: September 5th, 2020
* Author: Champion
*/
/** @addtogroup STM32F1xx_IAP
* @{
*/
/* Includes ------------------------------------------------------------------*/
#include "flash_if.h"
#include "stdio.h"
uint32_t AppAddresssCurren = 0;
Flash_Parameter Flash_Paramet; //内部Flash
uint8_t FLASH_Parameter_Init(Flash_Parameter *Para)
{
Para->FLASH_SIZE = FLASH_MAX_SIZE;
Para->SECTOR_COUNT = 45; /* Get media size */
Para->SECTOR_SIZE = 1024; /* Get sector size */
Para->BLOCK_SIZE = 1024;
Para->STORAGE_LUN_NBr = 1; /* 分区 */
Para->STORAGE_BLOCK_NBR = 45; /* 块数量 */
Para->STORAGE_BLOCK_SIZ = 512; /* 块大小 */
Para->PAGE_SIZE = FLASH_PAGE_SIZE; /* 每一页大小 1024Kbyte */
return 0;
}
/**
* @brief Unlocks Flash for write access
* @param None
* @retval None
*/
void FLASH_If_Init(void)
{
/* Unlock the Program memory */
HAL_FLASH_Unlock();
/* Clear all FLASH flags */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPERR);
// /* Unlock the Program memory */
// HAL_FLASH_Lock();
FLASH_Parameter_Init(&Flash_Paramet);
}
/**
* @brief Locks Flash for write access
* @param None
* @retval None
*/
void FLASH_If_DeInit(void)
{
HAL_FLASH_Lock();
}
/**
* @brief This function does an erase of all user flash area
* @param startSectorAddr: start of user flash area
* @retval FLASHIF_OK : user flash area successfully erased
* FLASHIF_ERASEKO : error occurred
*/
uint32_t FLASH_If_Erase(uint32_t startSectorAddr, uint32_t NbrOfPages)
{
uint32_t NbrPages = 0;
uint32_t PageError = 0;
FLASH_EraseInitTypeDef pEraseInit;
HAL_StatusTypeDef status = HAL_OK;
/* Unlock the Flash to enable the flash control register access *************/
HAL_FLASH_Unlock();
/* Get the sector where start the user flash area */
NbrPages = (FLASH_END_ADDR - startSectorAddr)/FLASH_PAGE_SIZE;
if(NbrOfPages > NbrPages)
return FLASHIF_ERASEKO;
pEraseInit.TypeErase = FLASH_TYPEERASE_PAGES;
pEraseInit.PageAddress = startSectorAddr;
pEraseInit.Banks = FLASH_BANK_1;
pEraseInit.NbPages = NbrOfPages;
status = HAL_FLASHEx_Erase(&pEraseInit, &PageError);
/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) *********/
HAL_FLASH_Lock();
if (status != HAL_OK)
{
/* Error occurred while page erase */
return FLASHIF_ERASEKO;
}
return FLASHIF_OK;
}
/* Public functions ---------------------------------------------------------*/
/**
* @brief This function writes a data buffer in flash (data are 32-bit aligned).
* @note After writing data buffer, the flash content is checked.
* @param FlashAddress: start address for target location
* @param pData: pointer on buffer with data to write
* @param DataLength: length of data buffer (unit is 32-bit word)
* @retval uint32_t 0: Data successfully written to Flash memory
* 1: Error occurred while writing data in Flash memory
* 2: Written Data in flash memory is different from expected one
*/
uint32_t FLASH_If_Write(uint32_t FlashAddress, uint32_t* pData, uint32_t DataLength)
{
uint32_t i = 0;
/* Unlock the Flash to enable the flash control register access *************/
HAL_FLASH_Unlock();
for (i = 0; (i < DataLength) && (FlashAddress <= (FLASH_END_ADDR-4)); i++)
{
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will
be done by word */
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, FlashAddress, *(uint32_t*)(pData+i)) == HAL_OK)
{
printf("> Word FlashAddress:0x%X, pData[%d]:0x%X\r\n", FlashAddress, i, pData[i]);
/* Check the written value */
if (*(uint32_t*)FlashAddress != *(uint32_t*)(pData+i))
{
/* Flash content doesn't match SRAM content */
printf("Word FLASHIF_WRITINGCTRL_ERROR\r\n");
return(FLASHIF_WRITINGCTRL_ERROR);
}
/* Increment FLASH destination address */
FlashAddress += 4;
}
else
{
/* Error occurred while writing data in Flash memory */
printf("Word FLASHIF_WRITING_ERROR\r\n");
return (FLASHIF_WRITING_ERROR);
}
}
/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) *********/
printf("Word FLASHIF_OK\r\n");
HAL_FLASH_Lock();
return (FLASHIF_OK);
}
uint32_t FLASH_If_Write2Byte(uint32_t FlashAddress, uint16_t* pData, uint32_t DataLength)
{
uint32_t i = 0;
FLASH_If_Init();
for (i = 0; (i < DataLength) && (FlashAddress <= USER_FLASH_END_ADDRESS); i++)
{
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will
be done by halfword */
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, FlashAddress, pData[i]) == HAL_OK)
{
printf("> HalfWord FlashAddress:0x02%X, pData[%d]:0x%X\r\n", FlashAddress, i, pData[i]);
/* Check the written value */
if (*(uint16_t*)FlashAddress != pData[i])
{
FLASH_If_DeInit();
/* Flash content doesn't match SRAM content */
printf("HalfWord FLASHIF_WRITINGCTRL_ERROR\r\n");
return(FLASHIF_WRITINGCTRL_ERROR);
}
/* Increment FLASH destination address */
FlashAddress += 2;
}
else
{
FLASH_If_DeInit();
/* Error occurred while writing data in Flash memory */
printf("HalfWord FLASHIF_WRITING_ERROR\r\n");
return (FLASHIF_WRITING_ERROR);
}
}
FLASH_If_DeInit();
printf("HalfWord FLASHIF_OK\r\n");
return (FLASHIF_OK);
}
uint32_t FLASH_If_WriteByte(uint32_t FlashAddress, uint8_t* pData, uint32_t DataLength)
{
uint32_t i = 0;
// uint16_t pData_t = ((*pData << 8) | (*pData & 0x00));
FLASH_If_Init();
for (i = 0; (i < DataLength) && (FlashAddress <= USER_FLASH_END_ADDRESS); i++)
{
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will
be done by halfword */
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, FlashAddress, pData[i]) == HAL_OK)
{
printf("> Byte FlashAddress:0x02%X, pData_t[%d]:0x%X\r\n", FlashAddress, i, pData[i]);
/* Check the written value */
if (*(uint16_t*)FlashAddress != pData[i])
{
FLASH_If_DeInit();
/* Flash content doesn't match SRAM content */
printf("Byte FLASHIF_WRITINGCTRL_ERROR\r\n");
return(FLASHIF_WRITINGCTRL_ERROR);
}
/* Increment FLASH destination address */
FlashAddress += 2;
}
else
{
FLASH_If_DeInit();
/* Error occurred while writing data in Flash memory */
printf("Byte FLASHIF_WRITING_ERROR\r\n");
return (FLASHIF_WRITING_ERROR);
}
}
FLASH_If_DeInit();
printf("Byte FLASHIF_OK\r\n");
return (FLASHIF_OK);
}
uint32_t FLASH_If_Read(uint32_t FlashAddress, uint32_t* pData, uint32_t DataLength)
{
uint32_t i = 0;
for(i = 0; i < DataLength; i++)
{
pData[i] = *(uint32_t*)FlashAddress;
FlashAddress += 4;
}
return (FLASHIF_OK);
}
uint32_t FLASH_If_Read2Byte(uint32_t FlashAddress, uint16_t* pData, uint32_t DataLength)
{
uint32_t i = 0;
for(i = 0; i < DataLength; i++)
{
pData[i] = *(uint16_t*)FlashAddress;
FlashAddress += 2;
}
return (FLASHIF_OK);
}
uint32_t FLASH_If_ReadByte(uint32_t FlashAddress, uint8_t* pData, uint32_t DataLength)
{
uint32_t i = 0;
for(i = 0; i < DataLength; i++)
{
pData[i] = *(uint16_t*)FlashAddress;
FlashAddress += 2;
}
return (FLASHIF_OK);
}
/**
* @brief Returns the write protection status of application flash area.
* @param None
* @retval If a sector in application area is write-protected returned value is a combinaison
of the possible values : FLASHIF_PROTECTION_WRPENABLED, FLASHIF_PROTECTION_PCROPENABLED, ...
* If no sector is write-protected FLASHIF_PROTECTION_NONE is returned.
*/
uint32_t FLASH_If_GetWriteProtectionStatus(void)
{
uint32_t ProtectedPAGE = FLASHIF_PROTECTION_NONE;
FLASH_OBProgramInitTypeDef OptionsBytesStruct;
/* Unlock the Flash to enable the flash control register access *************/
FLASH_If_Init();
/* Check if there are write protected sectors inside the user flash area ****/
HAL_FLASHEx_OBGetConfig(&OptionsBytesStruct);
/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) *********/
FLASH_If_DeInit();
/* Get pages already write protected ****************************************/
ProtectedPAGE = ~(OptionsBytesStruct.WRPPage) & FLASH_PAGE_TO_BE_PROTECTED;
/* Check if desired pages are already write protected ***********************/
if(ProtectedPAGE != 0)
{
/* Some sectors inside the user flash area are write protected */
return FLASHIF_PROTECTION_WRPENABLED;
}
else
{
/* No write protected sectors inside the user flash area */
return FLASHIF_PROTECTION_NONE;
}
}
/**
* @brief Configure the write protection status of user flash area.
* @param protectionstate : FLASHIF_WRP_DISABLE or FLASHIF_WRP_ENABLE the protection
* @retval uint32_t FLASHIF_OK if change is applied.
*/
uint32_t FLASH_If_WriteProtectionConfig(uint32_t protectionstate)
{
uint32_t ProtectedPAGE = 0x0;
FLASH_OBProgramInitTypeDef config_new, config_old;
HAL_StatusTypeDef result = HAL_OK;
/* Get pages write protection status ****************************************/
HAL_FLASHEx_OBGetConfig(&config_old);
/* The parameter says whether we turn the protection on or off */
config_new.WRPState = (protectionstate == FLASHIF_WRP_ENABLE ? OB_WRPSTATE_ENABLE : OB_WRPSTATE_DISABLE);
/* We want to modify only the Write protection */
config_new.OptionType = OPTIONBYTE_WRP;
/* No read protection, keep BOR and reset settings */
config_new.RDPLevel = OB_RDP_LEVEL_0;
config_new.USERConfig = config_old.USERConfig;
/* Get pages already write protected ****************************************/
ProtectedPAGE = config_old.WRPPage | FLASH_PAGE_TO_BE_PROTECTED;
/* Unlock the Flash to enable the flash control register access *************/
FLASH_If_Init();
/* Unlock the Options Bytes *************************************************/
HAL_FLASH_OB_Unlock();
/* Erase all the option Bytes ***********************************************/
result = HAL_FLASHEx_OBErase();
if (result == HAL_OK)
{
config_new.WRPPage = ProtectedPAGE;
result = HAL_FLASHEx_OBProgram(&config_new);
}
return (result == HAL_OK ? FLASHIF_OK: FLASHIF_PROTECTION_ERRROR);
}
/**
* @}
*/
uint32_t FLASH_If_Write_Ex(uint32_t FlashAddress, uint32_t* Data, uint32_t DataLength, uint8_t is32bit)
{
// uint8_t is32bit = (((uint32_t)Data)%4)? 0 : 1;
FLASH_If_Init();
if (FLASH_If_Erase(FlashAddress, 1) != FLASHIF_OK) {
printf("Erase_error \n");
}
if (is32bit == 1) {
FLASH_If_Write(FlashAddress, (uint32_t*)Data, DataLength);
} else {
FLASH_If_Write2Byte(FlashAddress, (uint16_t*)Data, DataLength);
}
return (FLASHIF_OK);
}
uint32_t FLASH_If_Read_Ex(uint32_t FlashAddress, uint32_t* Data, uint32_t DataLength, uint8_t is32bit)
{
// uint8_t is32bit = (((uint32_t)Data)%4)? 0 : 1;
FLASH_If_Init();
if (is32bit == 1) {
FLASH_If_Read(FlashAddress, (uint32_t*)Data, DataLength);
} else {
FLASH_If_Read2Byte(FlashAddress, (uint16_t*)Data, DataLength);
}
return (FLASHIF_OK);
}
void Flash_ErasePage(uint32_t pageAddr)
{
FLASH_EraseInitTypeDef EraseInitTypeDef;
uint32_t pageError = 0;
HAL_FLASH_Unlock();
EraseInitTypeDef.TypeErase = FLASH_TYPEERASE_PAGES;
EraseInitTypeDef.PageAddress = pageAddr;
EraseInitTypeDef.NbPages = 1;
if (HAL_FLASHEx_Erase(&EraseInitTypeDef, &pageError) != HAL_OK) {
//打印错误码
}
HAL_FLASH_Lock();
}
HAL_StatusTypeDef Flash_WriteHalfWord(uint32_t FlashAddress, uint16_t Data)
{
HAL_StatusTypeDef status;
HAL_FLASH_Unlock();
status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, FlashAddress, Data);
if (status != HAL_OK) {
return HAL_ERROR;
}
HAL_FLASH_Lock();
return (HAL_OK);
}
uint16_t Flash_ReadHalfWord(uint32_t FlashAddress)
{
return *(__IO uint16_t*) FlashAddress;
}
void Flash_WriteBuffer(uint32_t FlashAddress, uint16_t* pData, uint32_t Len)
{
HAL_FLASH_Unlock();
for(uint32_t i = 0; i < Len; i++)
{
HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, FlashAddress + i*2, pData[i]);
}
HAL_FLASH_Lock();
}
void Flash_ReadBuffer(uint32_t FlashAddress, uint16_t* pData, uint32_t Len)
{
for(uint32_t i = 0; i < Len; i++)
{
pData[i] = *(__IO uint16_t*) (FlashAddress + i*2);
}
}
void test_flash_demo(void)
{
#define DATA_LEN 5
uint8_t write_data_8[DATA_LEN] = {0x11, 0x22, 0x33, 0x44, 0x55};
uint8_t read_data_8[DATA_LEN] = {0};
uint16_t write_data_16[DATA_LEN] = {0x1111, 0x2222, 0x3333, 0x4444, 0x5555};
uint16_t read_data_16[DATA_LEN] = {0};
uint32_t write_data_32[DATA_LEN] = {0x11111111, 0x22222222, 0x33333333, 0x44444444, 0x55555555};
uint32_t read_data_32[DATA_LEN] = {0};
// Flash_ErasePage(FLASH_APP_START_ADDR);
// FLASH_If_Erase(FLASH_APP_START_ADDR, 1);
// Flash_WriteBuffer(FLASH_APP_START_ADDR, write_data_16, DATA_LEN);
// Flash_ReadBuffer(FLASH_APP_START_ADDR, read_data_16, DATA_LEN);
// for (uint16_t i = 0; i < DATA_LEN; i++)
// {
// printf("FLASH_OTHER_START_ADDR:0x%X, read_data_16[%d]:0x%X\r\n", FLASH_APP_START_ADDR + i*2, i, read_data_16[i]);
// }
// FLASH_If_Erase(FLASH_OTHER_START_ADDR, 1);
// FLASH_If_Write(FLASH_OTHER_START_ADDR, write_data_32, DATA_LEN);
// FLASH_If_Read(FLASH_OTHER_START_ADDR, read_data_32, DATA_LEN);
// for (uint8_t i = 0; i < DATA_LEN; i++)
// {
// printf("FLASH_APP_START_ADDR:0x%X, read_data_32[%d]:0x%X\r\n", FLASH_OTHER_START_ADDR + i*4, i, read_data_32[i]);
// }
FLASH_If_Write_Ex(FLASH_OTHER_START_ADDR, (uint32_t*)write_data_32, DATA_LEN, 1);
FLASH_If_Read_Ex(FLASH_OTHER_START_ADDR, (uint32_t*)read_data_32, DATA_LEN, 1);
for (uint16_t i = 0; i < DATA_LEN; i++)
{
printf("FLASH_OTHER_START_ADDR:0x%X, read_data_16[%d]:0x%X\r\n", FLASH_OTHER_START_ADDR + i*4, i, read_data_32[i]);
}
FLASH_If_Erase(FLASH_APP_START_ADDR, 1);
FLASH_If_Write2Byte(FLASH_APP_START_ADDR, (uint16_t*)write_data_16, DATA_LEN);
FLASH_If_Read2Byte(FLASH_APP_START_ADDR, (uint16_t*)read_data_16, DATA_LEN);
for (uint16_t i = 0; i < DATA_LEN; i++)
{
printf("FLASH_OTHER_START_ADDR:0x%X, read_data_16[%d]:0x%X\r\n", FLASH_APP_START_ADDR + i*2, i, read_data_16[i]);
}
FLASH_If_Erase(FLASH_MSD_START_ADDR, 1);
FLASH_If_WriteByte(FLASH_MSD_START_ADDR, write_data_8, DATA_LEN);
FLASH_If_ReadByte(FLASH_MSD_START_ADDR, read_data_8, DATA_LEN);
for (uint16_t i = 0; i < DATA_LEN; i++)
{
printf("FLASH_OTHER_START_ADDR:0x%X, read_data_16[%d]:0x%X\r\n", FLASH_MSD_START_ADDR + i*2, i, read_data_8[i]);
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
4、main.c
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2025 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"
#include "fatfs.h"
#include "usart.h"
#include "usb_device.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "flash_if.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* 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 */
/* 创建产品信息文件 */
void create_product_info_file(void)
{
FIL file;
UINT bw;
char info[] = "产品名称: STM32F103设备\n版本号: 1.0.0\n制造商: Your Company";
if (f_open(&file, "产品信息.txt", FA_CREATE_ALWAYS | FA_WRITE) == FR_OK) {
f_write(&file, info, strlen(info), &bw);
f_close(&file);
}
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* 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 */
MX_GPIO_Init();
MX_USART1_UART_Init();
MX_FATFS_Init();
MX_USB_DEVICE_Init();
/* USER CODE BEGIN 2 */
create_product_info_file();
printf ("-----START LOG----- \n\r\n\r");
printf ("FLASH_START_ADDR : %#x \n\r", FLASH_START_ADDR);
printf ("FLASH_MAX_SIZE : %dKByte \n\r", FLASH_MAX_SIZE/1024);
printf ("BOOT_START_ADDR : %#x \n\r", FLASH_BOOT_START_ADDR);
printf ("BOOT_MEM_SIZE : %dKByte \n\r", FLASH_BOOT_SIZE/1024);
printf ("APP_START_ADDR : %#x \n\r", FLASH_APP_START_ADDR);
printf ("APP_MEM_SIZE : %dKByte \n\r", FLASH_APP_SIZE/1024);
printf ("FLASH_MSD_START_ADDR : %#x \n\r", FLASH_MSD_START_ADDR);
printf ("MSD_MEM_SIZE : %dKByte \n\r", FLASH_MSD_SIZE/1024);
printf ("OTHER_START_ADDR : %#x \n\r", FLASH_OTHER_START_ADDR);
printf ("OTHER_MEM_SIZE : %dKByte \n\r\n\r", FLASH_OTHER_SIZE/1024);
printf ("FLASH_MSD_BLK_NBR : %dKByte \n\r\n\r", FLASH_MSD_BLK_NBR);
extern void test_flash_demo(void);
test_flash_demo();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
printf("Runing, I'm an MSD USB Bootloader... \r\n");
HAL_Delay(1000);
/* 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};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = 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_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != 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 */
__disable_irq();
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) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
二、运行结果
三、总结
好了，就介绍到此，感谢参阅，小小心得分享，希望能帮助到需要的攻城狮们^_^。
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