📄 sdcard.h
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/****************************************Copyright (c)***********************************************
** qsw
**
**
**--------------File Info----------------------------------------------------------------------------
** File name: sdhal.c
** Last modified Date: 2007.11.20
** Last Version: V1.0
** Descriptions: sd 卡驱动软件包: 硬件抽象层 ---- SPI1操作函数
** Soft Packet of SD Card Driver: hard abstrast layer ---- function of SPI1 operation
**
**------------------------------------------------------------------------------------------------
** Created by: qsw
** Created date: 2007.11.20
** Version: V1.0
** Descriptions: The original version
**
**------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
**************************************************************************************************/
#ifndef __SDCARD_H__
#define __SDCARD_H__
#define SPI1_INIT() PINSEL1 &= ~((0x03 << 2) + (0x03 << 4) + (0x03 << 6)); \
PINSEL1 |= (0x01 << 2) + (0x01 << 4) + (0x01 << 6);
//power p0.09
#define SD_POWER 0
#define SD_POWER_GPIO() 0
#define SD_POWER_OUT() 0
#define SD_POWER_OFF() 0
#define SD_POWER_ON() 0
//cs p0.20
#define SPI1_CS (0x01 << 20)
#define SPI1_CS_GPIO() PINSEL1 &= ~(0x03 << 8)
#define SPI1_CS_OUT() IO0DIR |= SPI1_CS
#define SPI1_CS_SET() IO0SET |= SPI1_CS
#define SPI1_CS_CLR() IO0CLR |= SPI1_CS
//sck p0.17
#define SPI1_SCK (0x01 << 17)
#define SPI1_SCK_GPIO() PINSEL1 &= ~(0x03 << 2)
#define SPI1_SCK_OUT() IO0DIR |= SPI1_SCK
#define SPI1_SCK_SET() IO0SET |= SPI1_SCK
#define SPI1_SCK_CLR() IO0CLR |= SPI1_SCK
//miso p0.18
#define SPI1_MISO (0x01 << 18)
#define SPI1_MISO_GPIO() PINSEL1 &= ~(0x03 << 4)
#define SPI1_MISO_OUT() IO0DIR &=~(SPI1_MISO)
#define SPI1_MISO_SET() IO0SET |= SPI1_MISO
#define SPI1_MISO_CLR() IO0CLR |= SPI1_MISO
//mosi p0.19
#define SPI1_MOSI (0x01 << 19)
#define SPI1_MOSI_GPIO() PINSEL1 &= ~(0x03 << 6)
#define SPI1_MOSI_OUT() IO0DIR |= SPI1_MOSI
#define SPI1_MOSI_SET() IO0SET |= SPI1_MOSI
#define SPI1_MOSI_CLR() IO0CLR |= SPI1_MOSI
//SD_IN p0.16
#define SD_INSERT 0
#define SD_INSERT_GPIO() 0
#define SD_INSERT_IN() 0
#define SD_INSERT_STATUS() 0
//SD_WP
#define SD_WP 0
#define SD_WP_GPIO() 0
#define SD_WP_IN() 0
#define SD_WP_STATUS() 0
/******************************** 基本命令集 Basic command set **************************/
/* 复位SD 卡 Reset cards to idle state */
#define CMD0 0
#define CMD0_R R1
/* 读OCR寄存器 Read the OCR (MMC mode, do not use for SD cards) */
#define CMD1 1
#define CMD1_R R1
/* 读CSD寄存器 Card sends the CSD */
#define CMD9 9
#define CMD9_R R1
/* 读CID寄存器 Card sends CID */
#define CMD10 10
#define CMD10_R R1
/* 停止读多块时的数据传输 Stop a multiple block (stream) read/write operation */
#define CMD12 12
#define CMD12_R R1B
/* 读 Card_Status 寄存器 Get the addressed card's status register */
#define CMD13 13
#define CMD13_R R2
/***************************** 块读命令集 Block read commands **************************/
/* 设置块的长度 Set the block length */
#define CMD16 16
#define CMD16_R R1
/* 读单块 Read a single block */
#define CMD17 17
#define CMD17_R R1
/* 读多块,直至主机发送CMD12为止 Read multiple blocks until a CMD12 */
#define CMD18 18
#define CMD18_R R1
/***************************** 块写命令集 Block write commands *************************/
/* 写单块 Write a block of the size selected with CMD16 */
#define CMD24 24
#define CMD24_R R1
/* 写多块 Multiple block write until a CMD12 */
#define CMD25 25
#define CMD25_R R1
/* 写CSD寄存器 Program the programmable bits of the CSD */
#define CMD27 27
#define CMD27_R R1
/***************************** 写保护 Write protection *****************************/
/* Set the write protection bit of the addressed group */
#define CMD28 28
#define CMD28_R R1B
/* Clear the write protection bit of the addressed group */
#define CMD29 29
#define CMD29_R R1B
/* Ask the card for the status of the write protection bits */
#define CMD30 30
#define CMD30_R R1
/***************************** 擦除命令 Erase commands *******************************/
/* 设置擦除块的起始地址 Set the address of the first write block to be erased */
#define CMD32 32
#define CMD32_R R1
/* 设置擦除块的终止地址 Set the address of the last write block to be erased */
#define CMD33 33
#define CMD33_R R1
/* 擦除所选择的块 Erase the selected write blocks */
#define CMD38 38
#define CMD38_R R1B
/***************************** 锁卡命令 Lock Card commands ***************************/
/* 设置/复位密码或上锁/解锁卡 Set/reset the password or lock/unlock the card */
#define CMD42 42
#define CMD42_R R1B
/* Commands from 42 to 54, not defined here */
/***************************** 应用命令 Application-specific commands ****************/
/* 禁止下一个命令为应用命令 Flag that the next command is application-specific */
#define CMD55 55
#define CMD55_R R1
/* 应用命令的通用I/O General purpose I/O for application-specific commands */
#define CMD56 56
#define CMD56_R R1
/* 读OCR寄存器 Read the OCR (SPI mode only) */
#define CMD58 58
#define CMD58_R R3
/* 使能或禁止 CRC Turn CRC on or off */
#define CMD59 59
#define CMD59_R R1
/***************************** 应用命令 Application-specific commands ***************/
/* 获取 SD Status寄存器 Get the SD card's status */
#define ACMD13 13
#define ACMD13_R R2
/* 得到已写入卡中的块的个数 Get the number of written write blocks (Minus errors ) */
#define ACMD22 22
#define ACMD22_R R1
/* 在写之前,设置预先擦除的块的个数 Set the number of write blocks to be pre-erased before writing */
#define ACMD23 23
#define ACMD23_R R1
/* 读取OCR寄存器 Get the card's OCR (SD mode) */
#define ACMD41 41
#define ACMD41_R R1
/* 连接/断开CD/DATA[3]引脚上的上拉电阻 Connect or disconnect the 50kOhm internal pull-up on CD/DAT[3] */
#define ACMD42 42
#define ACMD42_R R1
/* 读取SCR寄存器 Get the SD configuration register */
#define ACMD51 51
#define ACMD51_R R1
//簇定义
#define MSDOSFSROOT 0
#define CLUST_FREE 0
#define MSDOSFSFREE CLUST_FREE
#define CLUST_RSRVD 0xfffffff6 // 系统保留簇
#define CLUST_BAD 0xfffffff7 // 坏簇
#define CLUST_EOFS 0xfffffff8 // 第一个结束簇
#define CLUST_EOFE 0xffffffff // 最后一个结束簇
#define FAT12_MASK 0x00000fff // FAT12掩码
#define FAT16_MASK 0x0000ffff // FAT16掩码
#define FAT32_MASK 0x0fffffff // FAT32掩码
#define FAT12 0
#define FAT16 1
#define FAT32 2
// 分区类型
#define PART_TYPE_UNKNOWN 0x00
#define PART_TYPE_FAT12 0x01
#define PART_TYPE_XENIX 0x02
#define PART_TYPE_DOSFAT16 0x04
#define PART_TYPE_EXTDOS 0x05
#define PART_TYPE_FAT16 0x06
#define PART_TYPE_NTFS 0x07
#define PART_TYPE_FAT32 0x0B
#define PART_TYPE_FAT32LBA 0x0C
#define PART_TYPE_FAT16LBA 0x0E
#define PART_TYPE_EXTDOSLBA 0x0F
#define PART_TYPE_ONTRACK 0x33
#define PART_TYPE_NOVELL 0x40
#define PART_TYPE_PCIX 0x4B
#define PART_TYPE_PHOENIXSAVE 0xA0
#define PART_TYPE_CPM 0xDB
#define PART_TYPE_DBFS 0xE0
#define PART_TYPE_BBT 0xFF
extern void SD_Delay_Nmicrosecond(uint32 n);
extern void SD_Power(void);
extern INT8U SPI1_SrByte(INT8U byte);
extern INT8U SD_ChkCard(void);
extern uint8 SD_WriteCom(INT8U cmd,INT32U arg);
extern INT8U SD_ReadBlock(INT32U address,INT8U *SD_BUFFER);
extern INT8U SD_Init(void);
extern INT8U Fat_Init(void);
extern INT8U Fat_ReadFileData(void);
#endif
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