265 lines
8.3 KiB
C
265 lines
8.3 KiB
C
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (c) 2020 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/>.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
/**
|
|
* Arduino Sd2Card Library
|
|
* Copyright (c) 2009 by William Greiman
|
|
*
|
|
* This file is part of the Arduino Sd2Card Library
|
|
*/
|
|
|
|
#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 commands
|
|
uint8_t const CMD0 = 0x00, // GO_IDLE_STATE - init card in spi mode if CS low
|
|
CMD8 = 0x08, // SEND_IF_COND - verify SD Memory Card interface operating condition
|
|
CMD9 = 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 sequence
|
|
CMD13 = 0x0D, // SEND_STATUS - read the card status register
|
|
CMD17 = 0x11, // READ_SINGLE_BLOCK - read a single data block from the card
|
|
CMD18 = 0x12, // READ_MULTIPLE_BLOCK - read a multiple data blocks from the card
|
|
CMD24 = 0x18, // WRITE_BLOCK - write a single data block to the card
|
|
CMD25 = 0x19, // WRITE_MULTIPLE_BLOCK - write blocks of data until a STOP_TRANSMISSION
|
|
CMD32 = 0x20, // ERASE_WR_BLK_START - sets the address of the first block to be erased
|
|
CMD33 = 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
|
|
CMD59 = 0x3B, // CRC_ON_OFF - enable or disable CRC checking
|
|
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 0
|
|
unsigned char reserved1 : 6;
|
|
unsigned char csd_ver : 2;
|
|
// byte 1
|
|
unsigned char taac;
|
|
// byte 2
|
|
unsigned char nsac;
|
|
// byte 3
|
|
unsigned char tran_speed;
|
|
// byte 4
|
|
unsigned char ccc_high;
|
|
// byte 5
|
|
unsigned char read_bl_len : 4;
|
|
unsigned char ccc_low : 4;
|
|
// byte 6
|
|
unsigned 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 7
|
|
unsigned char c_size_mid;
|
|
// byte 8
|
|
unsigned char vdd_r_curr_max : 3;
|
|
unsigned char vdd_r_curr_min : 3;
|
|
unsigned char c_size_low : 2;
|
|
// byte 9
|
|
unsigned char c_size_mult_high : 2;
|
|
unsigned char vdd_w_cur_max : 3;
|
|
unsigned char vdd_w_curr_min : 3;
|
|
// byte 10
|
|
unsigned char sector_size_high : 6;
|
|
unsigned char erase_blk_en : 1;
|
|
unsigned char c_size_mult_low : 1;
|
|
// byte 11
|
|
unsigned char wp_grp_size : 7;
|
|
unsigned char sector_size_low : 1;
|
|
// byte 12
|
|
unsigned char write_bl_len_high : 2;
|
|
unsigned char r2w_factor : 3;
|
|
unsigned char reserved3 : 2;
|
|
unsigned char wp_grp_enable : 1;
|
|
// byte 13
|
|
unsigned char reserved4 : 5;
|
|
unsigned char write_partial : 1;
|
|
unsigned char write_bl_len_low : 2;
|
|
// byte 14
|
|
unsigned 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 15
|
|
unsigned char always1 : 1;
|
|
unsigned char crc : 7;
|
|
} csd1_t;
|
|
|
|
/** CSD for version 2.00 cards */
|
|
typedef struct CSDV2 {
|
|
// byte 0
|
|
unsigned 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 3
|
|
unsigned char tran_speed;
|
|
// byte 4
|
|
unsigned 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 11
|
|
unsigned 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 13
|
|
unsigned 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 14
|
|
unsigned 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;
|
|
};
|