SdInfo.h

/* Arduino Sd2Card Library
 * Copyright (C) 2009 by William Greiman
 *
 * This file is part of the Arduino Sd2Card Library
 *
 * This Library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This Library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the Arduino Sd2Card Library.  If not, see
 * <http://www.gnu.org/licenses/>.
 */
#ifndef SdInfo_h
#define SdInfo_h
#include <stdint.h>
//
//
//------------------------------------------------------------------------------
#define CMD0 0X00

#define CMD8 0X08

#define CMD9 0X09

#define CMD10 0X0A

#define CMD13 0X0D

#define CMD17 0X11

#define CMD24 0X18

#define CMD25 0X19

#define CMD32 0X20

#define CMD33 0X21

#define CMD38 0X26

#define CMD55 0X37

#define CMD58 0X3A

#define ACMD23 0X17

#define ACMD41 0X29
//------------------------------------------------------------------------------
#define R1_READY_STATE 0

#define R1_IDLE_STATE 1

#define R1_ILLEGAL_COMMAND 4

#define DATA_START_BLOCK 0XFE

#define STOP_TRAN_TOKEN 0XFD

#define WRITE_MULTIPLE_TOKEN 0XFC

#define DATA_RES_MASK 0X1F

#define DATA_RES_ACCEPTED 0X05
//------------------------------------------------------------------------------
typedef struct CID {
  uint8_t mid;
  char oid[2];
  char pnm[5];
  unsigned prv_m : 4;
  unsigned prv_n : 4;
  uint32_t psn;
  unsigned mdt_year_high : 4;
  unsigned reserved : 4;
  unsigned mdt_month : 4;
  unsigned mdt_year_low : 4;
  unsigned always1 : 1;
  unsigned crc : 7;
} cid_t;
//------------------------------------------------------------------------------
typedef struct CSDV1 {
  unsigned reserved1 : 6;
  unsigned csd_ver : 2;
  uint8_t taac;
  uint8_t nsac;
  uint8_t tran_speed;
  uint8_t ccc_high;
  unsigned read_bl_len : 4;
  unsigned ccc_low : 4;
  //  unsigned read_bl_len : 4;
  unsigned c_size_high : 2;
  unsigned reserved2 : 2;
  unsigned dsr_imp : 1;
  unsigned read_blk_misalign : 1;
  unsigned write_blk_misalign : 1;
  unsigned read_bl_partial : 1;
  uint8_t c_size_mid;
  unsigned vdd_r_curr_max : 3;
  unsigned vdd_r_curr_min : 3;
  unsigned c_size_low : 2;
  unsigned c_size_mult_high : 2;
  unsigned vdd_w_cur_max : 3;
  unsigned vdd_w_curr_min : 3;
  unsigned sector_size_high : 6;
  unsigned erase_blk_en : 1;
  unsigned c_size_mult_low : 1;
  unsigned wp_grp_size : 7;
  unsigned sector_size_low : 1;
  unsigned write_bl_len_high : 2;
  unsigned r2w_factor : 3;
  unsigned reserved3 : 2;
  unsigned wp_grp_enable : 1;
  unsigned reserved4 : 5;
  unsigned write_partial : 1;
  unsigned write_bl_len_low : 2;
  unsigned reserved5 : 2;
  unsigned file_format : 2;
  unsigned tmp_write_protect : 1;
  unsigned perm_write_protect : 1;
  unsigned copy : 1;
  unsigned file_format_grp : 1;
  unsigned always1 : 1;
  unsigned crc : 7;
} csd1_t;

//------------------------------------------------------------------------------
typedef struct CSDV2 {
  unsigned reserved1 : 6;
  unsigned csd_ver : 2;
  uint8_t taac;
  uint8_t nsac;
  uint8_t tran_speed;
  uint8_t ccc_high;
  unsigned read_bl_len : 4;
  unsigned ccc_low : 4;
  unsigned reserved2 : 4;
  unsigned dsr_imp : 1;
  unsigned read_blk_misalign : 1;
  unsigned write_blk_misalign : 1;
  unsigned read_bl_partial : 1;
  unsigned reserved3 : 2;
  unsigned c_size_high : 6;
  uint8_t c_size_mid;
  uint8_t c_size_low;
  unsigned sector_size_high : 6;
  unsigned erase_blk_en : 1;
  unsigned reserved4 : 1;
  unsigned wp_grp_size : 7;
  unsigned sector_size_low : 1;
  unsigned write_bl_len_high : 2;
  unsigned r2w_factor : 3;
  unsigned reserved5 : 2;
  unsigned wp_grp_enable : 1;
  unsigned reserved6 : 5;
  unsigned write_partial : 1;
  unsigned write_bl_len_low : 2;
  unsigned reserved7 : 2;
  unsigned file_format : 2;
  unsigned tmp_write_protect : 1;
  unsigned perm_write_protect : 1;
  unsigned copy : 1;
  unsigned file_format_grp : 1;
  unsigned always1 : 1;
  unsigned crc : 7;
} csd2_t;
//------------------------------------------------------------------------------
union csd_t {
  csd1_t v1; 
  csd2_t v2; 
};
#endif