47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
#ifndef __LOGFLASH_H
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#define __LOGFLASH_H
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#include "stm32f10x.h"
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#include "flash.h"
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/*****************************************
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*自定义数据类型
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****************************************/
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typedef struct
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{
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uint32_t head ; //固定：0x50505050
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uint32_t writeOffset ; //写入数据的偏移地址
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uint16_t overflowCounter ; //FLASH溢出次数
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uint32_t readOffset ; //读数据的偏移地址
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uint32_t tail ; //固定：0x05050505
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}LogFlash_s ; //LogFlash信息结构体
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typedef union
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{
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LogFlash_s sLogFlash ; //LogFlash信息结构体
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uint8_t bytes[sizeof(LogFlash_s)] ;
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}LogFlash_u ; //LogFlash信息共用体
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/*****************************************
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*供外部使用常变量
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****************************************/
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extern LogFlash_u uLogFlash ; //LogFlash信息共用体变量uLogFlash，存放logflash相关信息
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#define LOGFLASH_INFO_ADDRESS LOG_AREA_ADDR //0x8040000 //第129页
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#define LOGFLASH_START_ADDRESS (LOGFLASH_INFO_ADDRESS+FLASH_PAGE_SIZE) //0x8040800
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#define LOGFLASH_SIZE (FLASH_BASE+FLASH_SIZE-LOGFLASH_START_ADDRESS)
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/*****************************************
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*内部函数声明
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****************************************/
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void ReadLogFromFlash(uint32_t readAddr, uint32_t length) ;
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void Refresh_LogFlash_Info(void) ;
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/*****************************************
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*对外接口函数声明
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****************************************/
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extern void LogFlash_Init(void) ;
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extern void Erase_LogFlash(void) ;
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extern void WriteLogToFlash(char *buffer) ;
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#endif
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