sd.h

Mp3 Player using ATmega128, VS1003B, Character LCD. Test OK.Good Sound.

#ifndef SD_H
#define SD_H

#include "../global.h"

// MCU 巧 沥狼
#define SD_CS_DDR		DDRB
#define SD_CS_PORT		PORTB
	#define SD_CS	0

// SD 疙飞绢
#define SD_GO_IDLE_STATE			0
#define SD_SEND_OP_COND				1
#define SD_SEND_CSD					9
#define SD_SEND_CID					10
#define SD_SEND_STATUS				13
#define SD_SET_BLOCKLEN				16
#define SD_READ_SINGLE_BLOCK		17
#define SD_WRITE_BLOCK				24
#define SD_PROGRAM_CSD				27
#define SD_SET_WRITE_PROT			28
#define SD_CLR_WRITE_PROT			29
#define SD_SEND_WRITE_PROT			30
#define SD_TAG_SECTOR_START			32
#define SD_TAG_SECTOR_END			33
#define SD_UNTAG_SECTOR				34
#define SD_TAG_ERASE_GROUP_START 	35
#define SD_TAG_ERARE_GROUP_END		36
#define SD_UNTAG_ERASE_GROUP		37
#define SD_ERASE					38
#define SD_CRC_ON_OFF				59

	// R1 览翠
	#define SD_R1_BUSY					0x80
	#define SD_R1_PARAMETER				0x40
	#define SD_R1_ADDRESS				0x20
	#define SD_R1_ERASE_SEQ				0x10
	#define SD_R1_COM_CRC				0x08
	#define SD_R1_ILLEGAL_COM			0x04
	#define SD_R1_ERASE_RESET			0x02
	#define SD_R1_IDLE_STATE			0x01

	// 单捞鸥 矫累 Tokens
	#define SD_STARTBLOCK_READ			0xFE
	#define SD_STARTBLOCK_WRITE			0xFE
	#define SD_STARTBLOCK_MWRITE		0xFC

	// 单捞鸥 沥瘤 Tokens
	#define SD_STOPTRAN_WRITE			0xFD

	// 单捞鸥 俊矾 Tokens
	#define SD_DE_MASK					0x1F
	#define SD_DE_ERROR					0x01
	#define SD_DE_CC_ERROR				0x02
	#define SD_DE_ECC_FAIL				0x04
	#define SD_DE_OUT_OF_RANGE			0x04
	#define SD_DE_CARD_LOCKED			0x04

	// Data Response Token values
	#define SD_DR_MASK					0x1F
	#define SD_DR_ACCEPT				0x05
	#define SD_DR_REJECT_CRC			0x0B
	#define SD_DR_REJECT_WRITE_ERROR	0x0D


void SD_Init(void); // SD 墨靛 檬扁拳 窃荐

void SD_Reset(void);

void SD_Command(U8 command, U32 arg);

U8 SD_Read_Sector(U32 sector, U8* buffer); // SD 墨靛俊 佬扁疙飞阑 焊郴绊, 荐脚茄 MP3 单捞磐甫 滚欺俊 历厘(512 官捞飘)

U8 SD_Write_Sector(U32 sector, U8* buffer);

void SD_Read_CIDdata(void);

void SD_Read_CSDdata(void);

#endif