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SmartCar-V1/Code/library/FATFS/src/diskio.c

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增加了有关SPI-flash、OLED的测试代码，并去掉LED2，修改了PWMA、PWMB、BIN1、BIN2、OLED的SDA、SCL的引脚位置，新增USB的D+和D-规划引脚，并提交制板
2025-06-15 19:57:10 +08:00
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2013 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control module to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#include "diskio.h" /* FatFs lower layer API */
#include "tfcard_sdio.h"
#include "w25qxx.h"
#include "malloc.h"
#include "usbhost_user.h"
//////////////////////////////////////////////////////////////////////////////////
#define SD_CARD 0 //SD<53><44>,<2C><><EFBFBD><EFBFBD>Ϊ0
#define EX_FLASH 1 //<2F>ⲿflash,<2C><><EFBFBD><EFBFBD>Ϊ1
#define USB_DISK 2 //U<><55>,<2C><><EFBFBD><EFBFBD>Ϊ2
#define FLASH_SECTOR_SIZE 512
u16 FLASH_SECTOR_COUNT=2048*10; //W25Q1218,ǰ10M<30>ֽڸ<D6BD>FATFSռ<53><D5BC>
#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 pdrv /* Physical drive nmuber (0..) */
)
{
u8 res=0;
switch(pdrv)
{
case SD_CARD://SD<53><44>
res = SD_Init();
break;
case EX_FLASH://<2F>ⲿFLASH
W25QXX_Init();
FLASH_SECTOR_COUNT=2048*10; //W25Q1218,ǰ10M<30>ֽڸ<D6BD>FATFS<46><53>
case USB_DISK://U<><55>
if(USBH_UDISK_Status())return 0; //U<><55><EFBFBD><EFBFBD><EFBFBD>ӳɹ<D3B3>,<2C>򷵻<EFBFBD>1.<2E><><EFBFBD>򷵻<EFBFBD>0
else return 1;
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 pdrv /* Physical drive nmuber (0..) */
)
{
return 0;
}
/****************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: DRESULT disk_read ()
* <EFBFBD><EFBFBD> <EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>drv:<EFBFBD><EFBFBD><EFBFBD>̱<EFBFBD><EFBFBD><EFBFBD>0~9
buff:<EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
sector:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
count:<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD>ļ<EFBFBD>ϵͳҪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>SD<EFBFBD><EFBFBD><EFBFBD><EFBFBD>W25Qxx<EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
****************************************************************************/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to read (1..128) */
)
{
u8 res=0;
if (!count)return RES_PARERR;
switch(pdrv)
{
case SD_CARD: //SD<53><44>
res=SD_ReadSDisk(buff,sector,count);
break;
case EX_FLASH: //<2F>ⲿFLASH
for(;count>0;count--)
{
W25QXX_Read(buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
case USB_DISK://U<><55>
res=USBH_UDISK_Read(buff,sector,count);
break;
default:
res=1;
}
if(res==0x00)return RES_OK;
else return RES_ERROR;
}
/****************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: DRESULT disk_write ()
* <EFBFBD><EFBFBD> <EFBFBD>ܣ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>drv:<EFBFBD><EFBFBD><EFBFBD>̱<EFBFBD><EFBFBD><EFBFBD>0~9
buff:<EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
sector:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
count:<EFBFBD><EFBFBD>Ҫд<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD>ļ<EFBFBD>ϵͳҪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>SD<EFBFBD><EFBFBD><EFBFBD><EFBFBD>W25Qxx<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
****************************************************************************/
#if _USE_WRITE
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to write (1..128) */
)
{
u8 res=0;
if (!count)return RES_PARERR;
switch(pdrv)
{
case SD_CARD://SD<53><44>
res=SD_WriteSDisk((u8*)buff,sector,count);
break;
case EX_FLASH://<2F>ⲿFLASH
for(;count>0;count--)
{
W25QXX_SectorWrite((u8*)buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
case USB_DISK://U<><55>
res=USBH_UDISK_Write((u8*)buff,sector,count);
break;
default:
res=1;
}
if(res == 0x00)return RES_OK;
else return RES_ERROR;
}
#endif
/****************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: DRESULT disk_ioctl ()
* <EFBFBD><EFBFBD> <EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>drv:<EFBFBD><EFBFBD><EFBFBD>̱<EFBFBD><EFBFBD><EFBFBD>0~9
ctrl:<EFBFBD><EFBFBD><EFBFBD>ƴ<EFBFBD><EFBFBD><EFBFBD>
buff:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
****************************************************************************/
#if _USE_IOCTL
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res;
if(pdrv==SD_CARD)//SD<53><44>
{
switch(cmd)
{
case CTRL_SYNC:
res = RES_OK;
break;
case GET_SECTOR_SIZE:
*(DWORD*)buff = 512;
res = RES_OK;
break;
case GET_BLOCK_SIZE:
*(WORD*)buff = SDCardInfo.CardBlockSize;
res = RES_OK;
break;
case GET_SECTOR_COUNT:
*(DWORD*)buff = SDCardInfo.CardCapacity/512;
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
}else if(pdrv==EX_FLASH) //<2F>ⲿFLASH
{
switch(cmd)
{
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 if(pdrv==USB_DISK) //U<><55>
{
switch(cmd)
{
case CTRL_SYNC:
res = RES_OK;
break;
case GET_SECTOR_SIZE:
*(WORD*)buff=512;
res = RES_OK;
break;
case GET_BLOCK_SIZE:
*(WORD*)buff=512;
res = RES_OK;
break;
case GET_SECTOR_COUNT:
*(DWORD*)buff=USBH_MSC_Param.MSCapacity;
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
}
else res=RES_ERROR;//<2F><><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD>֧<EFBFBD><D6A7>
return res;
}
#endif
//<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)
{
return 0;
}
//<2F><>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
void *ff_memalloc (UINT size)
{
return (void*)Mem_malloc(INSRAM,size);
}
//<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
void ff_memfree (void* mf)
{
Mem_free(INSRAM,mf);
}
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