39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
#ifndef __STMFLASH_H__
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#define __STMFLASH_H__
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#include "main.h"
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//=========================数据类型宏定义
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#define u8 uint8_t
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#define u16 uint16_t
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#define u32 uint32_t
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#define __IO volatile
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typedef __IO uint16_t vu16;
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//=========================用户根据自己的需要设置
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#define STM32_FLASH_SIZE 256 //所选STM32的FLASH容量大小(单位为K),STM32F103RCT6-256k
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#if STM32_FLASH_SIZE < 256 //设置扇区大小
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#define STM_SECTOR_SIZE 1024 //1K字节
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#else
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#define STM_SECTOR_SIZE 2048 //2K字节
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#endif
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#define STM32_FLASH_BASE 0x08000000 //STM32 FLASH的起始地址
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#define FLASH_SAVE_ADDR STM32_FLASH_BASE+STM_SECTOR_SIZE*62 //写Flash的地址，这里从倒数第二页开始
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#define STM32_FLASH_WREN 1 //使能FLASH写入(0，不是能;1，使能)
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#define FLASH_WAITETIME 50000 //FLASH等待超时时间
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u8 STMFLASH_GetStatus(void); //获得状态
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u8 STMFLASH_WaitDone(u16 time); //等待操作结束
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u8 STMFLASH_ErasePage(u32 paddr); //擦除页
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u8 STMFLASH_WriteHalfWord(u32 faddr, u16 dat);//写入半字
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u16 STMFLASH_ReadHalfWord(u32 faddr); //读出半字
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void STMFLASH_WriteLenByte(u32 WriteAddr,u32 DataToWrite,u16 Len); //指定地址开始写入指定长度的数据
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u32 STMFLASH_ReadLenByte(u32 ReadAddr,u16 Len); //指定地址开始读取指定长度数据
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void STMFLASH_Write(u32 WriteAddr,u16 *pBuffer,u16 NumToWrite); //从指定地址开始写入指定长度的数据
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void STMFLASH_Read(u32 ReadAddr,u16 *pBuffer,u16 NumToRead); //从指定地址开始读出指定长度的数据
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void Flash_PageErase(uint32_t PageAddress); //扇区擦除
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#endif
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