202 lines
7.7 KiB
C++
202 lines
7.7 KiB
C++
/*----------------------------------------------------------------------------------------------------
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#
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# Copyright (c) 2022 Yuankang Liang(XerolySkinner)
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#
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# 本软件按原样提供,无任何明示或暗示
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# 在任何情况下,作者都不承担任何损害赔偿责任
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#
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# 使用的许可声明:
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# 1. 不得歪曲本软件的来源,你不能声称你编写了原始软件.
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# 2. 免费授予以任何目的,前提是版权声明出现在所有副本中.
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# 并且版权声明和许可声明同时出现.
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# 3. 你有使用,复制,修改,分发,和销售本软件的许可.
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# 4. 如果你在产品中使用,产品文档中的声明是赞赏的但不是必须的.
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# 5. 本通知不得从任何来源删除或更改.
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#
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# Yuankang Liang(XerolySkinner)
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# E-mail:zabbcccbbaz@163.com
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# QQ:2715099320
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# Mobile Phone:13005636215
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#
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# All rights reserved.
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*/
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/**
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* @file bsp_SD.h
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* @brief 操作SD卡的库
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* @mainpage 主要信息
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* @author Yuankang Liang(XerolySkinner)
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* @email zabbcccbbaz@163.com
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* @version V1.0.0
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* @date 2022-11-22 03:50
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*/
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#pragma once
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#ifdef __cplusplus
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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//----------------------------------------------------------------------------------------------------
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// 头文件
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//
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#include "spi.h"
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#include "varint.h"
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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//----------------------------------------------------------------------------------------------------
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// 数据
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//
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//----------------------------------------------------------------------------------------------------
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//SD卡类型
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#define ERR 0x00
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#define MMC 0x01
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#define V1 0x02
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#define V2 0x04
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#define V2HC 0x06
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#define DUMMY_BYTE 0xFF
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#define MSD_BLOCKSIZE 512
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//----------------------------------------------------------------------------------------------------
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//CMD定义
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#define CMD0 0 //卡复位
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#define CMD1 1
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#define CMD8 8 //命令8 ，SEND_IF_COND
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#define CMD9 9 //命令9 ，读CSD数据
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#define CMD10 10 //命令10，读CID数据
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#define CMD12 12 //命令12，停止数据传输
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#define CMD16 16 //命令16，设置SectorSize 应返回0x00
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#define CMD17 17 //命令17，读sector
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#define CMD18 18 //命令18，读Multi sector
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#define CMD23 23 //命令23，设置多sector写入前预先擦除N个block
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#define CMD24 24 //命令24，写sector
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#define CMD25 25 //命令25，写Multi sector
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#define CMD41 41 //命令41，应返回0x00
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#define CMD55 55 //命令55，应返回0x01
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#define CMD58 58 //命令58，读OCR信息
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#define CMD59 59 //命令59，使能/禁止CRC，应返回0x00
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//----------------------------------------------------------------------------------------------------
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//数据写入回应字意义
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#define MSD_DATA_OK 0x05
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#define MSD_DATA_CRC_ERROR 0x0B
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#define MSD_DATA_WRITE_ERROR 0x0D
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#define MSD_DATA_OTHER_ERROR 0xFF
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//SD卡回应标记字
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#define MSD_RESPONSE_NO_ERROR 0x00
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#define MSD_IN_IDLE_STATE 0x01
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#define MSD_ERASE_RESET 0x02
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#define MSD_ILLEGAL_COMMAND 0x04
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#define MSD_COM_CRC_ERROR 0x08
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#define MSD_ERASE_SEQUENCE_ERROR 0x10
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#define MSD_ADDRESS_ERROR 0x20
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#define MSD_PARAMETER_ERROR 0x40
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#define MSD_RESPONSE_FAILURE 0xFF
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//----------------------------------------------------------------------------------------------------
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enum _CD_HOLD {
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HOLD = 0,
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RELEASE = 1,
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};
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//----------------------------------------------------------------------------------------------------
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typedef struct { /* Card Specific Data */
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u8 CSDStruct; /* CSD structure */
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u8 SysSpecVersion; /* System specification version */
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u8 Reserved1; /* Reserved */
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u8 TAAC; /* Data read access-time 1 */
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u8 NSAC; /* Data read access-time 2 in CLK cycles */
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u8 MaxBusClkFrec; /* Max. bus clock frequency */
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u16 CardComdClasses; /* Card command classes */
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u8 RdBlockLen; /* Max. read data block length */
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u8 PartBlockRead; /* Partial blocks for read allowed */
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u8 WrBlockMisalign; /* Write block misalignment */
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u8 RdBlockMisalign; /* Read block misalignment */
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u8 DSRImpl; /* DSR implemented */
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u8 Reserved2; /* Reserved */
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u32 DeviceSize; /* Device Size */
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u8 MaxRdCurrentVDDMin; /* Max. read current @ VDD min */
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u8 MaxRdCurrentVDDMax; /* Max. read current @ VDD max */
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u8 MaxWrCurrentVDDMin; /* Max. write current @ VDD min */
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u8 MaxWrCurrentVDDMax; /* Max. write current @ VDD max */
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u8 DeviceSizeMul; /* Device size multiplier */
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u8 EraseGrSize; /* Erase group size */
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u8 EraseGrMul; /* Erase group size multiplier */
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u8 WrProtectGrSize; /* Write protect group size */
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u8 WrProtectGrEnable; /* Write protect group enable */
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u8 ManDeflECC; /* Manufacturer default ECC */
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u8 WrSpeedFact; /* Write speed factor */
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u8 MaxWrBlockLen; /* Max. write data block length */
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u8 WriteBlockPaPartial; /* Partial blocks for write allowed */
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u8 Reserved3; /* Reserded */
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u8 ContentProtectAppli; /* Content protection application */
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u8 FileFormatGrouop; /* File format group */
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u8 CopyFlag; /* Copy flag (OTP) */
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u8 PermWrProtect; /* Permanent write protection */
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u8 TempWrProtect; /* Temporary write protection */
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u8 FileFormat; /* File Format */
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u8 ECC; /* ECC code */
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u8 CSD_CRC; /* CSD CRC */
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u8 Reserved4; /* always 1*/
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} MSD_CSD;
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//----------------------------------------------------------------------------------------------------
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typedef struct { /*Card Identification Data*/
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u8 ManufacturerID; /* ManufacturerID */
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u16 OEM_AppliID; /* OEM/Application ID */
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u32 ProdName1; /* Product Name part1 */
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u8 ProdName2; /* Product Name part2*/
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u8 ProdRev; /* Product Revision */
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u32 ProdSN; /* Product Serial Number */
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u8 Reserved1; /* Reserved1 */
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u16 ManufactDate; /* Manufacturing Date */
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u8 CID_CRC; /* CID CRC */
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u8 Reserved2; /* always 1 */
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} MSD_CID;
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//----------------------------------------------------------------------------------------------------
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typedef struct {
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MSD_CSD CSD;
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MSD_CID CID;
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u32 Capacity; /* Card Capacity */
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u32 BlockSize; /* Card Block Size */
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u16 RCA;
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u8 CardType;
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u32 SpaceTotal; /* Total space size in file system */
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u32 SpaceFree;
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} /* Free space size in file system */
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//----------------------------------------------------------------------------------------------------
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MSD_CARDINFO, *PMSD_CARDINFO;
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extern MSD_CARDINFO SD0_CardInfo;
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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//----------------------------------------------------------------------------------------------------
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// 类目
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//
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/**
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* @brief 一个操作SD卡的类
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*/
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class bsp_SD{
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public:
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bsp_SD(SPI_HandleTypeDef *hspi,GPIO_TypeDef *GPIOx_CS,uint16_t GPIO_Pin_CS);
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public:
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u8 SD_init(void);
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u8 SD_ReadDisk(u8 * buf, u32 sector, u8 cnt);
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u8 SD_WriteDisk(u8 * buf, u32 sector, u8 cnt);
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u32 SD_GetSectorCount(void);
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u8 offsetWrite(u64 offset,u8* dat,u64 datlen);
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u8 offsetRead(u64 offset,u8* dat,u64 datlen);
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private:
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SPI_HandleTypeDef *hspi;
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GPIO_TypeDef *GPIOx_CS;
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uint16_t GPIO_Pin_CS;
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u8 DFF;
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u8 SD_TYPE;
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MSD_CARDINFO SD0_CardInfo;
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void SD_CS(u8 p);
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u8 SD_GETCID(u8 * cid_data);
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u8 SD_GETCSD(u8 * csd_data);
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int MSD0_GetCardInfo(PMSD_CARDINFO SD0_CardInfo);
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u8 SD_ReceiveData(u8 * data, u16 len);
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u8 SD_SendBlock(u8 * buf, u8 cmd);
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u32 SD_sendcmd(u8 cmd, u32 arg, u8 crc);
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void SPI_setspeed(u8 speed);
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u8 spi_readwrite(u8 Txdata);
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};
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//////////////////////////////////////////////////////////////////////////////////////////////////////
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#endif
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