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/*** Marlin 3D Printer Firmware* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]** Based on Sprinter and grbl.* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm** This program 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 program 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 this program. If not, see <http://www.gnu.org/licenses/>.**//*** Arduino Sd2Card Library* Copyright (C) 2009 by William Greiman** This file is part of the Arduino Sd2Card Library*/#ifndef _SDINFO_H_#define _SDINFO_H_#include <stdint.h>// Based on the document://// SD Specifications// Part 1// Physical Layer// Simplified Specification// Version 3.01// May 18, 2010//// http://www.sdcard.org/developers/tech/sdcard/pls/simplified_specs// SD card commandsuint8_t const CMD0 = 0x00, // GO_IDLE_STATE - init card in spi mode if CS lowCMD8 = 0x08, // SEND_IF_COND - verify SD Memory Card interface operating conditionCMD9 = 0x09, // SEND_CSD - read the Card Specific Data (CSD register)CMD10 = 0x0A, // SEND_CID - read the card identification information (CID register)CMD12 = 0x0C, // STOP_TRANSMISSION - end multiple block read sequenceCMD13 = 0x0D, // SEND_STATUS - read the card status registerCMD17 = 0x11, // READ_SINGLE_BLOCK - read a single data block from the cardCMD18 = 0x12, // READ_MULTIPLE_BLOCK - read a multiple data blocks from the cardCMD24 = 0x18, // WRITE_BLOCK - write a single data block to the cardCMD25 = 0x19, // WRITE_MULTIPLE_BLOCK - write blocks of data until a STOP_TRANSMISSIONCMD32 = 0x20, // ERASE_WR_BLK_START - sets the address of the first block to be erasedCMD33 = 0x21, // ERASE_WR_BLK_END - sets the address of the last block of the continuous range to be erased*/CMD38 = 0x26, // ERASE - erase all previously selected blocks */CMD55 = 0x37, // APP_CMD - escape for application specific command */CMD58 = 0x3A, // READ_OCR - read the OCR register of a card */ACMD23 = 0x17, // SET_WR_BLK_ERASE_COUNT - Set the number of write blocks to be pre-erased before writing */ACMD41 = 0x29; // SD_SEND_OP_COMD - Sends host capacity support information and activates the card's initialization process *//** status for card in the ready state */uint8_t const R1_READY_STATE = 0x00;/** status for card in the idle state */uint8_t const R1_IDLE_STATE = 0x01;/** status bit for illegal command */uint8_t const R1_ILLEGAL_COMMAND = 0x04;/** start data token for read or write single block*/uint8_t const DATA_START_BLOCK = 0xFE;/** stop token for write multiple blocks*/uint8_t const STOP_TRAN_TOKEN = 0xFD;/** start data token for write multiple blocks*/uint8_t const WRITE_MULTIPLE_TOKEN = 0xFC;/** mask for data response tokens after a write block operation */uint8_t const DATA_RES_MASK = 0x1F;/** write data accepted token */uint8_t const DATA_RES_ACCEPTED = 0x05;/** Card IDentification (CID) register */typedef struct CID {// byte 0/** Manufacturer ID */unsigned char mid;// byte 1-2/** OEM/Application ID */char oid[2];// byte 3-7/** Product name */char pnm[5];// byte 8/** Product revision least significant digit */unsigned char prv_m : 4;/** Product revision most significant digit */unsigned char prv_n : 4;// byte 9-12/** Product serial number */uint32_t psn;// byte 13/** Manufacturing date year low digit */unsigned char mdt_year_high : 4;/** not used */unsigned char reserved : 4;// byte 14/** Manufacturing date month */unsigned char mdt_month : 4;/** Manufacturing date year low digit */unsigned char mdt_year_low : 4;// byte 15/** not used always 1 */unsigned char always1 : 1;/** CRC7 checksum */unsigned char crc : 7;} cid_t;/** CSD for version 1.00 cards */typedef struct CSDV1 {// byte 0unsigned char reserved1 : 6;unsigned char csd_ver : 2;// byte 1unsigned char taac;// byte 2unsigned char nsac;// byte 3unsigned char tran_speed;// byte 4unsigned char ccc_high;// byte 5unsigned char read_bl_len : 4;unsigned char ccc_low : 4;// byte 6unsigned char c_size_high : 2;unsigned char reserved2 : 2;unsigned char dsr_imp : 1;unsigned char read_blk_misalign : 1;unsigned char write_blk_misalign : 1;unsigned char read_bl_partial : 1;// byte 7unsigned char c_size_mid;// byte 8unsigned char vdd_r_curr_max : 3;unsigned char vdd_r_curr_min : 3;unsigned char c_size_low : 2;// byte 9unsigned char c_size_mult_high : 2;unsigned char vdd_w_cur_max : 3;unsigned char vdd_w_curr_min : 3;// byte 10unsigned char sector_size_high : 6;unsigned char erase_blk_en : 1;unsigned char c_size_mult_low : 1;// byte 11unsigned char wp_grp_size : 7;unsigned char sector_size_low : 1;// byte 12unsigned char write_bl_len_high : 2;unsigned char r2w_factor : 3;unsigned char reserved3 : 2;unsigned char wp_grp_enable : 1;// byte 13unsigned char reserved4 : 5;unsigned char write_partial : 1;unsigned char write_bl_len_low : 2;// byte 14unsigned char reserved5: 2;unsigned char file_format : 2;unsigned char tmp_write_protect : 1;unsigned char perm_write_protect : 1;unsigned char copy : 1;/** Indicates the file format on the card */unsigned char file_format_grp : 1;// byte 15unsigned char always1 : 1;unsigned char crc : 7;} csd1_t;/** CSD for version 2.00 cards */typedef struct CSDV2 {// byte 0unsigned char reserved1 : 6;unsigned char csd_ver : 2;// byte 1/** fixed to 0x0E */unsigned char taac;// byte 2/** fixed to 0 */unsigned char nsac;// byte 3unsigned char tran_speed;// byte 4unsigned char ccc_high;// byte 5/** This field is fixed to 9h, which indicates READ_BL_LEN=512 Byte */unsigned char read_bl_len : 4;unsigned char ccc_low : 4;// byte 6/** not used */unsigned char reserved2 : 4;unsigned char dsr_imp : 1;/** fixed to 0 */unsigned char read_blk_misalign : 1;/** fixed to 0 */unsigned char write_blk_misalign : 1;/** fixed to 0 - no partial read */unsigned char read_bl_partial : 1;// byte 7/** not used */unsigned char reserved3 : 2;/** high part of card size */unsigned char c_size_high : 6;// byte 8/** middle part of card size */unsigned char c_size_mid;// byte 9/** low part of card size */unsigned char c_size_low;// byte 10/** sector size is fixed at 64 KB */unsigned char sector_size_high : 6;/** fixed to 1 - erase single is supported */unsigned char erase_blk_en : 1;/** not used */unsigned char reserved4 : 1;// byte 11unsigned char wp_grp_size : 7;/** sector size is fixed at 64 KB */unsigned char sector_size_low : 1;// byte 12/** write_bl_len fixed for 512 byte blocks */unsigned char write_bl_len_high : 2;/** fixed value of 2 */unsigned char r2w_factor : 3;/** not used */unsigned char reserved5 : 2;/** fixed value of 0 - no write protect groups */unsigned char wp_grp_enable : 1;// byte 13unsigned char reserved6 : 5;/** always zero - no partial block read*/unsigned char write_partial : 1;/** write_bl_len fixed for 512 byte blocks */unsigned char write_bl_len_low : 2;// byte 14unsigned char reserved7: 2;/** Do not use always 0 */unsigned char file_format : 2;unsigned char tmp_write_protect : 1;unsigned char perm_write_protect : 1;unsigned char copy : 1;/** Do not use always 0 */unsigned char file_format_grp : 1;// byte 15/** not used always 1 */unsigned char always1 : 1;/** checksum */unsigned char crc : 7;} csd2_t;/** union of old and new style CSD register */union csd_t {csd1_t v1;csd2_t v2;};#endif // _SDINFO_H_