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player/Project/Src/MyApp/flash_manager.c

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初始提交
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#include "flash_manager.h"
#include "mymem.h"
#include "spi_flash.h"
#include "string.h"
#ifndef BOOTLOADER
# include "rtthread.h"
#endif
ת»»Ϊgb2312±àÂë
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//ʹ<><CAB9><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD>FLASH<53>ķ<EFBFBD><C4B7>ʽ<EFBFBD><CABD>б<EFBFBD><D0B1><EFBFBD>
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#ifndef BOOTLOADER
static struct rt_semaphore g_flash={0};
static rt_err_t g_flash_err=RT_ERROR;
#define FLASH_ENTER_USED() {while (g_flash_err==RT_ERROR) \
{g_flash_err=rt_sem_init(&g_flash,"g_flash",1,RT_IPC_FLAG_PRIO);}\
rt_sem_take (&g_flash,RT_WAITING_FOREVER);\
}
#define FLASH_EXIT_USED() {rt_sem_release (&g_flash);}
#else
#define FLASH_ENTER_USED() {}
#define FLASH_EXIT_USED() {}
#endif
int FLASH_ReadData (uint8_t* pBuffer, uint32_t ReadAddr , uint32_t NumByteToRead )
{
FLASH_ENTER_USED();
sFLASH_ReadBuffer (pBuffer,ReadAddr,NumByteToRead);
//SPI_Flash_Read (pBuffer,ReadAddr,NumByteToRead);
//W25QXX_Read (pBuffer,ReadAddr,NumByteToRead);
FLASH_EXIT_USED();
return 0;
}
int FLASH_WriteData (uint8_t* pBuffer, uint32_t WriteAddr, uint32_t NumByteToWrite)
{
FLASH_ENTER_USED();
sFLASH_WriteBuffer (pBuffer,WriteAddr,NumByteToWrite);
//SPI_Flash_Write_NoCheck (pBuffer,WriteAddr,NumByteToWrite);
//W25QXX_Write_NoCheck (pBuffer,WriteAddr,NumByteToWrite);
FLASH_EXIT_USED();
return 0;
}
int FLASH_EraseOneSector (uint32_t SectorAddr)
{
FLASH_ENTER_USED();
sFLASH_EraseSector (SectorAddr);
//SPI_Flash_Erase_Sector (SectorAddr);
//W25QXX_Erase_Sector(SectorAddr);
FLASH_EXIT_USED();
return 0;
}
int FLASH_EraseAllSector (void)
{
FLASH_ENTER_USED();
sFLASH_EraseBulk();
//SPI_Flash_Erase_Chip ();
//W25QXX_Erase_Chip();
FLASH_EXIT_USED();
return 0;
}
ת»»Ϊgb2312±àÂë
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//<2F><>FLASH<53><48><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD><E6B4A2>ַ<EFBFBD>ʹ<EFBFBD>С<EFBFBD><D0A1>Ϣ<EFBFBD>洢<EFBFBD><E6B4A2><EFBFBD>ļ<EFBFBD>ͷ<EFBFBD><CDB7>
//<2F><><EFBFBD><EFBFBD>û<EFBFBD>н<EFBFBD><D0BD>е<EFBFBD>ַ<EFBFBD>Ƿ<EFBFBD><C7B7>غϵ<D8BA><CFB5>жϣ<D0B6><CFA3><EFBFBD>ʹ<EFBFBD><CAB9>FLASH_GetUsed()<29><><EFBFBD><EFBFBD>ȡ<EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>ʹ<EFBFBD>õĵ<C3B5>ַ
初始提交
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int FLASH_AddFile (char *fileName,u32 address,u32 fileSize)
{
FLASH_HeaderStruct *flashHeader=0;
u32 flashHeaderSize=4096;
flashHeader=mymalloc(flashHeaderSize);
FLASH_ReadData((u8*)flashHeader,0,flashHeaderSize);
for (int i=0;i<flashHeaderSize;i++) {if (((u8*)flashHeader)[i]==0xff) ((u8*)flashHeader)[i]=0;}
flashHeader->File[flashHeader->FileNumber].Address=address;
flashHeader->File[flashHeader->FileNumber].FileSize=fileSize;
mymemcpy(flashHeader->File[flashHeader->FileNumber].FileName,fileName,strlen(fileName)+1);
flashHeader->FileNumber++;
FLASH_CheckErase(0,4096);
FLASH_WriteData((u8*)flashHeader,0,4096);
myfree(flashHeader);
return 0;
}
ת»»Ϊgb2312±àÂë
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//<2F><><EFBFBD><EFBFBD>FLASH<53>д洢<D0B4><E6B4A2><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>Ŀ
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int FLASH_GetFileNum (void)
{
int ret=0;
FLASH_HeaderStruct *flashHeader=0;
u32 flashHeaderSize=4096;
flashHeader=mymalloc(flashHeaderSize);
FLASH_ReadData((u8*)flashHeader,0,flashHeaderSize);
for (int i=0;i<flashHeaderSize;i++) {if (((u8*)flashHeader)[i]==0xff) ((u8*)flashHeader)[i]=0;}
ret=flashHeader->FileNumber;
myfree(flashHeader);
return ret;
}
ת»»Ϊgb2312±àÂë
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//<2F><>ȡָ<C8A1><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD>ɹ<EFBFBD>
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int FLASH_GetFileInfo (int index,FLASH_FileStruct *file)
{
int ret=0;
FLASH_HeaderStruct *flashHeader=0;
u32 flashHeaderSize=4096;
flashHeader=mymalloc(flashHeaderSize);
FLASH_ReadData((u8*)flashHeader,0,flashHeaderSize);
for (int i=0;i<flashHeaderSize;i++) {if (((u8*)flashHeader)[i]==0xff) ((u8*)flashHeader)[i]=0;}
if (index<flashHeader->FileNumber)
{
mymemcpy (file, &flashHeader->File[index],sizeof (FLASH_FileStruct));
}
else { ret=-1; }
myfree(flashHeader);
return ret;
}
ת»»Ϊgb2312±àÂë
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//ɾ<><C9BE>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
初始提交
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int FLASH_DeleteFile (int index)
{
int ret=0;
FLASH_HeaderStruct *flashHeader=0;
u32 flashHeaderSize=4096;
flashHeader=mymalloc(flashHeaderSize);
FLASH_ReadData((u8*)flashHeader,0,flashHeaderSize);
for (int i=0;i<flashHeaderSize;i++) {if (((u8*)flashHeader)[i]==0xff) ((u8*)flashHeader)[i]=0;}
if (index<flashHeader->FileNumber)
{
flashHeader->FileNumber=index;
u32 sizeUsed=FLASH_GetUsed();
FLASH_CheckErase(0,4096);
FLASH_WriteData((u8*)flashHeader,0,4096);
u32 addrToDelete =FLASH_GetUsed();
u32 sizeToDelete=sizeUsed-addrToDelete;
FLASH_CheckErase (addrToDelete,sizeToDelete);
}
else { ret=-1; }
myfree(flashHeader);
return ret;
}
ת»»Ϊgb2312±àÂë
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//<2F><>ȡFLASH<53><48><EFBFBD><EFBFBD>
初始提交
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u32 FLASH_GetFlashSize (void)
{
return 16*1024*1024;
}
ת»»Ϊgb2312±àÂë
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//<2F><><EFBFBD><EFBFBD>FLASH<53>Ѿ<EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD>˶<EFBFBD><CBB6>ٴ洢<D9B4>ռ<EFBFBD>
//<2F>˷<EFBFBD><CBB7><EFBFBD>ֵ<EFBFBD><D6B5>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC>Ĵ洢<C4B4><E6B4A2>ַ
初始提交
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u32 FLASH_GetUsed (void)
{
FLASH_HeaderStruct *flashHeader=0;
u32 flashHeaderSize=4096;
ת»»Ϊgb2312±àÂë
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u32 usedBluk=1;//<2F>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
初始提交
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flashHeader=mymalloc(flashHeaderSize);
FLASH_ReadData((u8*)flashHeader,0,flashHeaderSize);
for (int i=0;i<flashHeaderSize;i++) {if (((u8*)flashHeader)[i]==0xff) ((u8*)flashHeader)[i]=0;}
if (flashHeader->FileNumber<20)
{
for (int i=0;i<flashHeader->FileNumber;i++)
{
usedBluk+=flashHeader->File[i].FileSize/4096+1;
}
}
myfree(flashHeader);
return usedBluk*4096;
}
ת»»Ϊgb2312±àÂë
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//<2F><>ȡָ<C8A1><D6B8><EFBFBD>ļ<EFBFBD>,<2C><><EFBFBD>سɹ<D8B3><C9B9><EFBFBD>ȡ<EFBFBD>Ĵ<EFBFBD>С
初始提交
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int FLASH_ReadFile (char *fileName,u32 offset,u8 *recvBuff,u32 readLength)
{
int ret=0;
u32 file_size=0;
u32 file_addr=FLASH_FindFile (fileName,&file_size);
if (file_addr)
{
int read_block=0;
if (readLength>file_size-offset) readLength=file_size-offset;
ret=readLength;
while (readLength)
{
if (readLength>4096) read_block=4096;
else read_block=readLength;
FLASH_ReadData (recvBuff,file_addr+offset,read_block);
offset+=read_block;
readLength-=read_block;
recvBuff+=read_block;
}
}
else
{
ret=0;
}
return ret;
}
ת»»Ϊgb2312±àÂë
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//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>,<2C><><EFBFBD>ط<EFBFBD>0ʧ<30><CAA7>
初始提交
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int FLASH_SaveFile (char *FileName,u8 *data,u32 size)
{
int ret=-1;
if (FLASH_FindFile(FileName,0)==0)
{
u32 flash_write_addr=FLASH_GetUsed();
u32 save_size=0;
FLASH_CheckErase(flash_write_addr,size);
FLASH_AddFile(FileName,flash_write_addr,size);
while(size)
{
if (size>4096)
{
save_size=4096;
}
else
{
save_size=size;
}
FLASH_WriteData(data,flash_write_addr,save_size);
size-=save_size;
flash_write_addr+=save_size;
data+=save_size;
}
ret=0;
}
return ret;
}
ת»»Ϊgb2312±àÂë
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//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>޷<EFBFBD><DEB7><EFBFBD>0<EFBFBD><30><EFBFBD>з<EFBFBD><D0B7><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
//<2F><><EFBFBD><EFBFBD>size<7A><65><EFBFBD>ڻ<EFBFBD>ȡ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>Сʱ<D0A1>˲<EFBFBD><CBB2><EFBFBD>ӦΪ0
初始提交
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u32 FLASH_FindFile (char *fileName,u32 *size)
{
FLASH_HeaderStruct *flashHeader=0;
u32 flashHeaderSize=4096;
u32 ret=0;
flashHeader=mymalloc(flashHeaderSize);
FLASH_ReadData((u8*)flashHeader,0,flashHeaderSize);
for (int i=0;i<flashHeaderSize;i++) {if (((u8*)flashHeader)[i]==0xff) ((u8*)flashHeader)[i]=0;}
ת»»Ϊgb2312±àÂë
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if (flashHeader->FileNumber>20)//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>10˵<30><CBB5><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ƻ<EFBFBD>
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{
FLASH_EraseAllSector();
flashHeader->FileNumber=0;
}
for (int i=0;i<flashHeader->FileNumber;i++)
{
if (strcmp(flashHeader->File[i].FileName,fileName)==0)
{
ret=flashHeader->File[i].Address;
if (size) *size=flashHeader->File[i].FileSize;
break;
}
}
myfree(flashHeader);
return ret;
}
ת»»Ϊgb2312±àÂë
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//У<><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//У<><D0A3>FLASH<53><48>ָ<EFBFBD><D6B8><EFBFBD>洢<EFBFBD>ռ<EFBFBD><D5BC>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>û<EFBFBD>н<EFBFBD><D0BD>е<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>룬<EFBFBD>뱣֤<EBB1A3><D6A4><EFBFBD><EFBFBD>addrΪ4096<39><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
初始提交
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int FLASH_CheckErase (u32 addr,u32 size)
{
u8* flash_mem=mymalloc (4096);
u32 check_size=size/4096;
if (size%4096) check_size++;
for (int i=0;i<check_size;i++)
{
FLASH_ReadData(flash_mem,addr,4096);
for (int j=0;j<4096;j++)
{
if (flash_mem[j]!=0xff)
{
FLASH_EraseOneSector(addr);
break;
}
}
addr+=4096;
}
myfree(flash_mem);
return 0;
}
ת»»Ϊgb2312±àÂë
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//ѭ<><D1AD>д<EFBFBD><D0B4>,<2C><><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>
初始提交
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int FLASH_LoopWrite (u32 addr,u32 size ,int (*pGetData)(u8 *buff,u32 size))
{
if (pGetData==0) return -1;
u8* flash_mem=mymalloc (4096);
u32 check_size=0;
while (size)
{
if (size>4096)
{
check_size=4096;
}
else
{
check_size=size;
}
pGetData(flash_mem,check_size);
FLASH_WriteData(flash_mem,addr,check_size);
addr+=check_size;
size-=check_size;
}
return 0;
}
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