--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SdInfo.h Sat Nov 07 13:23:07 2015 +0100
@@ -0,0 +1,280 @@
+/* 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/>.
+ */
+#include "Marlin.h"
+#ifdef SDSUPPORT
+
+#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 commands
+/** GO_IDLE_STATE - init card in spi mode if CS low */
+uint8_t const CMD0 = 0X00;
+/** SEND_IF_COND - verify SD Memory Card interface operating condition.*/
+uint8_t const CMD8 = 0X08;
+/** SEND_CSD - read the Card Specific Data (CSD register) */
+uint8_t const CMD9 = 0X09;
+/** SEND_CID - read the card identification information (CID register) */
+uint8_t const CMD10 = 0X0A;
+/** STOP_TRANSMISSION - end multiple block read sequence */
+uint8_t const CMD12 = 0X0C;
+/** SEND_STATUS - read the card status register */
+uint8_t const CMD13 = 0X0D;
+/** READ_SINGLE_BLOCK - read a single data block from the card */
+uint8_t const CMD17 = 0X11;
+/** READ_MULTIPLE_BLOCK - read a multiple data blocks from the card */
+uint8_t const CMD18 = 0X12;
+/** WRITE_BLOCK - write a single data block to the card */
+uint8_t const CMD24 = 0X18;
+/** WRITE_MULTIPLE_BLOCK - write blocks of data until a STOP_TRANSMISSION */
+uint8_t const CMD25 = 0X19;
+/** ERASE_WR_BLK_START - sets the address of the first block to be erased */
+uint8_t const CMD32 = 0X20;
+/** ERASE_WR_BLK_END - sets the address of the last block of the continuous
+ range to be erased*/
+uint8_t const CMD33 = 0X21;
+/** ERASE - erase all previously selected blocks */
+uint8_t const CMD38 = 0X26;
+/** APP_CMD - escape for application specific command */
+uint8_t const CMD55 = 0X37;
+/** READ_OCR - read the OCR register of a card */
+uint8_t const CMD58 = 0X3A;
+/** SET_WR_BLK_ERASE_COUNT - Set the number of write blocks to be
+ pre-erased before writing */
+uint8_t const ACMD23 = 0X17;
+/** SD_SEND_OP_COMD - Sends host capacity support information and
+ activates the card's initialization process */
+uint8_t const ACMD41 = 0X29;
+//------------------------------------------------------------------------------
+/** 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;
+};
+#endif // SdInfo_h
+
+#endif
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