From 0887b98f627500271b5ad8b3c4f6c7b90bc227ee Mon Sep 17 00:00:00 2001 From: Thibaut VIARD Date: Tue, 21 Jun 2011 00:20:43 +0200 Subject: Moving all AVR specific libraries to hardware/avr --- libraries/SD/utility/SdInfo.h | 232 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 libraries/SD/utility/SdInfo.h (limited to 'libraries/SD/utility/SdInfo.h') diff --git a/libraries/SD/utility/SdInfo.h b/libraries/SD/utility/SdInfo.h new file mode 100644 index 0000000..acde74d --- /dev/null +++ b/libraries/SD/utility/SdInfo.h @@ -0,0 +1,232 @@ +/* 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 + * . + */ +#ifndef SdInfo_h +#define SdInfo_h +#include +// Based on the document: +// +// SD Specifications +// Part 1 +// Physical Layer +// Simplified Specification +// Version 2.00 +// September 25, 2006 +// +// www.sdcard.org/developers/tech/sdcard/pls/Simplified_Physical_Layer_Spec.pdf +//------------------------------------------------------------------------------ +// 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; +/** SEND_STATUS - read the card status register */ +uint8_t const CMD13 = 0X0D; +/** READ_BLOCK - read a single data block from the card */ +uint8_t const CMD17 = 0X11; +/** 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; +//------------------------------------------------------------------------------ +typedef struct CID { + // byte 0 + uint8_t mid; // Manufacturer ID + // byte 1-2 + char oid[2]; // OEM/Application ID + // byte 3-7 + char pnm[5]; // Product name + // byte 8 + unsigned prv_m : 4; // Product revision n.m + unsigned prv_n : 4; + // byte 9-12 + uint32_t psn; // Product serial number + // byte 13 + unsigned mdt_year_high : 4; // Manufacturing date + unsigned reserved : 4; + // byte 14 + unsigned mdt_month : 4; + unsigned mdt_year_low :4; + // byte 15 + unsigned always1 : 1; + unsigned crc : 7; +}cid_t; +//------------------------------------------------------------------------------ +// CSD for version 1.00 cards +typedef struct CSDV1 { + // byte 0 + unsigned reserved1 : 6; + unsigned csd_ver : 2; + // byte 1 + uint8_t taac; + // byte 2 + uint8_t nsac; + // byte 3 + uint8_t tran_speed; + // byte 4 + uint8_t ccc_high; + // byte 5 + unsigned read_bl_len : 4; + unsigned ccc_low : 4; + // byte 6 + 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; + // byte 7 + uint8_t c_size_mid; + // byte 8 + unsigned vdd_r_curr_max : 3; + unsigned vdd_r_curr_min : 3; + unsigned c_size_low :2; + // byte 9 + unsigned c_size_mult_high : 2; + unsigned vdd_w_cur_max : 3; + unsigned vdd_w_curr_min : 3; + // byte 10 + unsigned sector_size_high : 6; + unsigned erase_blk_en : 1; + unsigned c_size_mult_low : 1; + // byte 11 + unsigned wp_grp_size : 7; + unsigned sector_size_low : 1; + // byte 12 + unsigned write_bl_len_high : 2; + unsigned r2w_factor : 3; + unsigned reserved3 : 2; + unsigned wp_grp_enable : 1; + // byte 13 + unsigned reserved4 : 5; + unsigned write_partial : 1; + unsigned write_bl_len_low : 2; + // byte 14 + 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; + // byte 15 + unsigned always1 : 1; + unsigned crc : 7; +}csd1_t; +//------------------------------------------------------------------------------ +// CSD for version 2.00 cards +typedef struct CSDV2 { + // byte 0 + unsigned reserved1 : 6; + unsigned csd_ver : 2; + // byte 1 + uint8_t taac; + // byte 2 + uint8_t nsac; + // byte 3 + uint8_t tran_speed; + // byte 4 + uint8_t ccc_high; + // byte 5 + unsigned read_bl_len : 4; + unsigned ccc_low : 4; + // byte 6 + unsigned reserved2 : 4; + unsigned dsr_imp : 1; + unsigned read_blk_misalign :1; + unsigned write_blk_misalign : 1; + unsigned read_bl_partial : 1; + // byte 7 + unsigned reserved3 : 2; + unsigned c_size_high : 6; + // byte 8 + uint8_t c_size_mid; + // byte 9 + uint8_t c_size_low; + // byte 10 + unsigned sector_size_high : 6; + unsigned erase_blk_en : 1; + unsigned reserved4 : 1; + // byte 11 + unsigned wp_grp_size : 7; + unsigned sector_size_low : 1; + // byte 12 + unsigned write_bl_len_high : 2; + unsigned r2w_factor : 3; + unsigned reserved5 : 2; + unsigned wp_grp_enable : 1; + // byte 13 + unsigned reserved6 : 5; + unsigned write_partial : 1; + unsigned write_bl_len_low : 2; + // byte 14 + 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; + // byte 15 + unsigned always1 : 1; + unsigned crc : 7; +}csd2_t; +//------------------------------------------------------------------------------ +// union of old and new style CSD register +union csd_t { + csd1_t v1; + csd2_t v2; +}; +#endif // SdInfo_h -- cgit v1.2.3-18-g5258