1 #include "stm32f10x_flash.h"
2
3 #define StartServerManageFlashAddress ((u32)0x08036000)//读写起始地址（内部flash的主存储块地址从0x08036000开始）
4
5 //从指定地址开始写入多个数据
6 void FLASH_WriteMoreData(uint32_t startAddress,uint16_t *writeData,uint16_t countToWrite)
7 {
8 uint32_t offsetAddress=startAddress - FLASH_BASE; //计算去掉0X08000000后的实际偏移地址
9 uint32_t sectorPosition=offsetAddress/SECTOR_SIZE; //计算扇区地址，对于STM32F103VET6为0~255
10 uint32_t sectorStartAddress=sectorPosition*SECTOR_SIZE+FLASH_BASE; //对应扇区的首地址
11 uint16_t dataIndex;
12
13 if(startAddress<FLASH_BASE||((startAddress+countToWrite*2)>=(FLASH_BASE + SECTOR_SIZE * FLASH_SIZE)))
14 {
15 return;//非法地址
16 }
17 FLASH_Unlock(); //解锁写保护
18
19 FLASH_ErasePage(sectorStartAddress);//擦除这个扇区
20
21 for(dataIndex=0;dataIndex<countToWrite;dataIndex++)
22 {
23 FLASH_ProgramHalfWord(startAddress+dataIndex*2,writeData[dataIndex]);
24 }
25
26 FLASH_Lock();//上锁写保护
27 }
28
29 //读取指定地址的半字(16位数据)
30 uint16_t FLASH_ReadHalfWord(uint32_t address)
31 {
32 return *(__IO uint16_t*)address;
33 }
34
35 //从指定地址开始读取多个数据
36 void FLASH_ReadMoreData(uint32_t startAddress,uint16_t *readData,uint16_t countToRead)
37 {
38 uint16_t dataIndex;
39 for(dataIndex=0;dataIndex<countToRead;dataIndex++)
40 {
41 readData[dataIndex]=FLASH_ReadHalfWord(startAddress+dataIndex*2);
42 }
43 }
44
45 void write_to_flash(void)
46 {
47 u16 buff[1200];
48 u16 count_len = 2272 / 2;
50 FLASH_WriteMoreData(StartServerManageFlashAddress,buff,count_len);
55 }
56
57 void read_from_flash(void)
58 {
59 u16 buff[1200];
60 u16 count_len = 2272 / 2;
61 FLASH_WriteMoreData(StartServerManageFlashAddress,buff,count_len);
66
67 }
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