stmflash.h
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/**
****************************************************************************************************
* @file stmflash.h
* @author 正点原子团队(ALIENTEK)
* @version V1.0
* @date 2020-04-26
* @brief STM32内部FLASH读写 驱动代码
* @license Copyright (c) 2020-2032, 广州市星翼电子科技有限公司
****************************************************************************************************
* @attention
*
* 实验平台:正点原子 STM32F103开发板
* 在线视频:www.yuanzige.com
* 技术论坛:www.openedv.com
* 公司网址:www.alientek.com
* 购买地址:openedv.taobao.com
*
* 修改说明
* V1.0 20200426
* 第一次发布
*
****************************************************************************************************
*/
#ifndef __STMFLASH_H
#define __STMFLASH_H
#include "stm32f1xx_hal.h"
#include "stm32f1xx_hal_flash.h"
#include "stm32f1xx_hal_flash_ex.h"
#include "stdint.h"
#define ADDR_FLASH_SECTOR_0 ((uint32_t)0x08000000) /* Base @ of Sector 0, 1 Kbyte */
#define ADDR_FLASH_SECTOR_1 ((uint32_t)0x08000400) /* Base @ of Sector 1, 1 Kbyte */
#define ADDR_FLASH_SECTOR_2 ((uint32_t)0x08000800) /* Base @ of Sector 2, 1 Kbyte */
#define ADDR_FLASH_SECTOR_3 ((uint32_t)0x08000C00) /* Base @ of Sector 3, 1 Kbyte */
#define ADDR_FLASH_SECTOR_4 ((uint32_t)0x08001000) /* Base @ of Sector 4, 1 Kbyte */
#define ADDR_FLASH_SECTOR_5 ((uint32_t)0x08001400) /* Base @ of Sector 5, 1 Kbyte */
#define ADDR_FLASH_SECTOR_6 ((uint32_t)0x08001800) /* Base @ of Sector 6, 1Kbyte */
#define ADDR_FLASH_SECTOR_7 ((uint32_t)0x08001C00) /* Base @ of Sector 7, 1 Kbyte */
#define ADDR_FLASH_SECTOR_8 ((uint32_t)0x08002000) /* Base @ of Sector 8, 1 Kbyte */
#define ADDR_FLASH_SECTOR_9 ((uint32_t)0x08002400) /* Base @ of Sector 9, 1 Kbyte */
#define ADDR_FLASH_SECTOR_10 ((uint32_t)0x08002800) /* Base @ of Sector 10, 1 Kbyte */
#define ADDR_FLASH_SECTOR_11 ((uint32_t)0x08002C00) /* Base @ of Sector 11, 1 Kbyte */
#define ADDR_FLASH_SECTOR_32 ((uint32_t)0x08008000) /* Base @ of Sector 32, 1 Kbyte */
#define ADDR_FLASH_SECTOR_33 ((uint32_t)0x08008400) /* Base @ of Sector 33, 1 Kbyte */
#define ADDR_FLASH_SECTOR_34 ((uint32_t)0x08008800) /* Base @ of Sector 34, 1 Kbyte */
#define ADDR_FLASH_SECTOR_61 ((uint32_t)0x0800F400) /* Base @ of Sector 62, 1 Kbyte */
#define ADDR_FLASH_SECTOR_62 ((uint32_t)0x0800F800) /* Base @ of Sector 62, 1 Kbyte */
#define ADDR_FLASH_SECTOR_63 ((uint32_t)0x0800FC00) /* Base @ of Sector 63, 1 Kbyte */
/* Error code */
enum {
FLASHIF_OK = 0,
FLASHIF_ERASE_ERROR,
FLASHIF_WRITINGCTRL_ERROR,
FLASHIF_WRITING_ERROR
};
enum {
FLASHIF_PROTECTION_NONE = 0,
FLASHIF_PROTECTION_PCROPENABLED = 0x1,
FLASHIF_PROTECTION_WRPENABLED = 0x2,
FLASHIF_PROTECTION_RDPENABLED = 0x4,
};
/* End of the Flash address */
#define FLASH_END_ADDRESS 0x0800FC00
/* Define the address from where user application will be loaded.
Note: the 1st sector 0x08000000-0x08007FFF is reserved for the IAP code *///留28k给app
#define APPLICATION_ADDRESS ADDR_FLASH_SECTOR_5
#define APPLICATION_ADDRESS_END (ADDR_FLASH_SECTOR_33 - 1)
/* Define the user application size */
#define APPLICATION_FLASH_SIZE (APPLICATION_ADDRESS_END - APPLICATION_ADDRESS + 1)
/* Define the address from where user application will be stored in upgrade mode */
#define APPLICATION_STORE_ADDRESS ADDR_FLASH_SECTOR_33
#define APPLICATION_STORE_ADDRESS_END (ADDR_FLASH_SECTOR_62-1)//这里多了1K的dji参数存储区，最后2K留给电机参数保存
//#define APPLICATION_STORE_ADDRESS_END (FLASH_END_ADDRESS)
/* Define the address for param store */
#define APPLICATION_PARAM_STORE_ADDRESS ADDR_FLASH_SECTOR_4
#define APPLICATION_PARAM_STORE_ADDRESS_END (ADDR_FLASH_SECTOR_5 - 1)
/* Define bitmap representing user flash area that could be write protected (check restricted to pages 8-39). */
#define FLASH_SECTOR_TO_BE_PROTECTED (OB_WRP_SECTOR_0 | OB_WRP_SECTOR_1 | OB_WRP_SECTOR_2 | OB_WRP_SECTOR_3 |\
OB_WRP_SECTOR_4 | OB_WRP_SECTOR_5 | OB_WRP_SECTOR_6 | OB_WRP_SECTOR_7 |\
OB_WRP_SECTOR_8 | OB_WRP_SECTOR_9 | OB_WRP_SECTOR_10 | OB_WRP_SECTOR_11 )
/* FLASH起始地址 */
// stm32f103T8U6
#define STM32_FLASH_SIZE 0x10000 /* STM32 FLASH 总大小 */
#define STM32_FLASH_BASE 0x08000000 /* STM32 FLASH 起始地址 */
/* STM32F103 扇区大小 */
#if STM32_FLASH_SIZE < 256 * 1024
#define STM32_SECTOR_SIZE 1024 /* 容量小于256K的 F103, 扇区大小为1K字节 */
#else
#define STM32_SECTOR_SIZE 2048 /* 容量大于等于于256K的 F103, 扇区大小为2K字节 */
#endif
/* FLASH解锁键值 */
#define STM32_FLASH_KEY1 0X45670123
#define STM32_FLASH_KEY2 0XCDEF89AB
/* 静态函数(仅限stmflash.c调用) */
static void stmflash_unlock(void); /* 解锁STM32 内部FLASH */
static void stmflash_lock(void); /* 锁定STM32 内部FLASH */
static uint8_t stmflash_get_error_status(void); /* 获取FLASH错误状态 */
static uint8_t stmflash_wait_done(uint32_t time); /* 等待操作完成 */
static uint8_t stmflash_erase_sector(uint32_t saddr); /* 擦除扇区 */
static uint8_t stmflash_write_halfword(uint32_t faddr, uint16_t data); /* FLASH写半字 */
/* 接口函数(外部可调用) */
uint16_t stmflash_read_halfword(uint32_t faddr); /* FLASH读半字 */
void stmflash_read(uint32_t raddr, uint16_t *pbuf, uint16_t length); /* 从指定地址开始读出指定长度的数据 */
void stmflash_write(uint32_t waddr, uint16_t *pbuf, uint16_t length); /* 在FLASH 指定位置, 写入指定长度的数据(自动擦除) */
uint32_t FLASH_If_Erase(uint32_t startAddress, uint32_t endAddress);
/* 测试函数 */
void test_write(uint32_t waddr, uint16_t wdata);
#endif