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chenxin
2026-04-23 10:50:18 +08:00
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#include "SPI_SD_driver.h"
#include "diskio.h"
//#include "flash.h"
#include "spi.h"
//#include "malloc.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEKս<4B><D5BD>STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//FATFS disio.c <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>:2012/9/18
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2009-2019
//All rights reserved
//////////////////////////////////////////////////////////////////////////////////
#define SD_CARD 0 //SD<53><44>,<2C><><EFBFBD><EFBFBD>Ϊ0
#define EX_FLASH 1 //<2F>ⲿflash,<2C><><EFBFBD><EFBFBD>Ϊ1
#define FLASH_SECTOR_SIZE 512
//<2F><><EFBFBD><EFBFBD>W25Q64
//ǰ6M<36>ֽڸ<D6BD>fatfs<66><73>,6M<36>ֽں<D6BD>~6M+500K<30><4B><EFBFBD>û<EFBFBD><C3BB><EFBFBD>,6M+500K<30>Ժ<EFBFBD>,<2C><><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ֿ<EFBFBD>,<2C>ֿ<EFBFBD>ռ<EFBFBD><D5BC>1.5M.
u16 FLASH_SECTOR_COUNT=2048*6;//6M<36>ֽ<EFBFBD>,Ĭ<><C4AC>ΪW25Q64
#define FLASH_BLOCK_SIZE 8 //ÿ<><C3BF>BLOCK<43><4B>8<EFBFBD><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0..) */
)
{
u8 res=0;
switch(drv)
{
case SD_CARD://SD<53><44>
res = SD_Initialize();//SD_Initialize()
if(res)//STM32 SPI<50><49>bug,<2C><>sd<73><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܵ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>SPI<50><49>д<EFBFBD>쳣
{
SD_SPI_SpeedLow();
SD_SPI_ReadWriteByte(0xff);//<2F>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8<EFBFBD><38>ʱ<EFBFBD><CAB1>
SD_SPI_SpeedHigh();
}
break;
case EX_FLASH://<2F>ⲿflash
//SPI_Flash_Init();
// if(SPI_FLASH_TYPE==W25Q64)FLASH_SECTOR_COUNT=2048*6;//W25Q64
// else FLASH_SECTOR_COUNT=2048*2; //<2F><><EFBFBD><EFBFBD>
break;
default:
res=1;
}
if(res)return STA_NOINIT;
else return 0; //<2F><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD>
}
//<2F><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>״̬
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0..) */
)
{
return 0;
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//drv:<3A><><EFBFBD>̱<EFBFBD><CCB1><EFBFBD>0~9
//*buff:<3A><><EFBFBD>ݽ<EFBFBD><DDBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD>׵<EFBFBD>ַ
//sector:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
//count:<3A><>Ҫ<EFBFBD><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
u8 res=0;
if (!count)return RES_PARERR;//count<6E><74><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD>򷵻ز<F2B7B5BB><D8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
switch(drv)
{
case SD_CARD://SD<53><44>
res=SD_ReadDisk(buff,sector,count);
if(res)//STM32 SPI<50><49>bug,<2C><>sd<73><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܵ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>SPI<50><49>д<EFBFBD>쳣
{
SD_SPI_SpeedLow();
SD_SPI_ReadWriteByte(0xff);//<2F>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8<EFBFBD><38>ʱ<EFBFBD><CAB1>
SD_SPI_SpeedHigh();
}
break;
case EX_FLASH://<2F>ⲿflash
for(;count>0;count--)
{
//SPI_Flash_Read(buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
default:
res=1;
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>SPI_SD_driver.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵת<D6B5><D7AA>ff.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵ
if(res==0x00)return RES_OK;
else return RES_ERROR;
}
//д<><D0B4><EFBFBD><EFBFBD>
//drv:<3A><><EFBFBD>̱<EFBFBD><CCB1><EFBFBD>0~9
//*buff:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
//sector:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
//count:<3A><>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
u8 res=0;
if (!count)return RES_PARERR;//count<6E><74><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD>򷵻ز<F2B7B5BB><D8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
switch(drv)
{
case SD_CARD://SD<53><44>
res=SD_WriteDisk((u8*)buff,sector,count);
break;
case EX_FLASH://<2F>ⲿflash
for(;count>0;count--)
{
//SPI_Flash_Write((u8*)buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
default:
res=1;
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>SPI_SD_driver.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵת<D6B5><D7AA>ff.c<>ķ<EFBFBD><C4B7><EFBFBD>ֵ
if(res == 0x00)return RES_OK;
else return RES_ERROR;
}
#endif /* _READONLY */
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>
//drv:<3A><><EFBFBD>̱<EFBFBD><CCB1><EFBFBD>0~9
//ctrl:<3A><><EFBFBD>ƴ<EFBFBD><C6B4><EFBFBD>
//*buff:<3A><><EFBFBD><EFBFBD>/<2F><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res;
if(drv==SD_CARD)//SD<53><44>
{
switch(ctrl)
{
case CTRL_SYNC:
SD_CS_ENABLE();
if(SD_WaitReady()==0)res = RES_OK;
else res = RES_ERROR;
SD_CS_DISABLE();
break;
case GET_SECTOR_SIZE:
*(WORD*)buff = 512;
res = RES_OK;
break;
case GET_BLOCK_SIZE:
*(WORD*)buff = 8;
res = RES_OK;
break;
case GET_SECTOR_COUNT:
*(DWORD*)buff = SD_GetSectorCount();
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
}else if(drv==EX_FLASH) //<2F>ⲿFLASH
{
switch(ctrl)
{
case CTRL_SYNC:
res = RES_OK;
break;
case GET_SECTOR_SIZE:
*(WORD*)buff = FLASH_SECTOR_SIZE;
res = RES_OK;
break;
case GET_BLOCK_SIZE:
*(WORD*)buff = FLASH_BLOCK_SIZE;
res = RES_OK;
break;
case GET_SECTOR_COUNT:
*(DWORD*)buff = FLASH_SECTOR_COUNT;
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
}else res=RES_ERROR;//<2F><><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD>֧<EFBFBD><D6A7>
return res;
}
//<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
//User defined function to give a current time to fatfs module */
//31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
//15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
DWORD get_fattime (void)
{
RTC_TimeTypeDef time;
RTC_DateTypeDef date;
RTC_GetTime(RTC_Format_BIN,&time);
RTC_GetDate(RTC_Format_BIN,&date);
return ((date.RTC_Year+2000-1980)<<25|
date.RTC_Month<<21|
date.RTC_Date<<16|
time.RTC_Hours<<11|
time.RTC_Minutes<<5|
time.RTC_Seconds>>1
);
}
//<2F><>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
//void *ff_memalloc (UINT size)
//{
// return (void*)mymalloc(SRAMIN,size);
//}
////<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
//void ff_memfree (void* mf)
//{
// myfree(SRAMIN,mf);
//}