SD-Card Reader Bibliothek von Roland Riegel. MMC/SD/SDHC raw access implementation (license: GPLv2 or LGPLv2.1) Mehr ...

#include <string.h>
#include <stdio.h>
#include <avr/io.h>
#include "sd_raw.h"
#include "port_driver.h"

Include-Abhängigkeitsdiagramm für sd_raw.c:

gehe zum Quellcode dieser Datei

Makrodefinitionen
#define	CMD_APP 0x37

#define	CMD_CLR_WRITE_PROT 0x1d

#define	CMD_CRC_ON_OFF 0x3b

#define	CMD_ERASE 0x26

#define	CMD_GO_IDLE_STATE 0x00

#define	CMD_LOCK_UNLOCK 0x2a

#define	CMD_PROGRAM_CSD 0x1b

#define	CMD_READ_MULTIPLE_BLOCK 0x12

#define	CMD_READ_OCR 0x3a

#define	CMD_READ_SINGLE_BLOCK 0x11

#define	CMD_SD_SEND_OP_COND 0x29

#define	CMD_SEND_CID 0x0a

#define	CMD_SEND_CSD 0x09

#define	CMD_SEND_IF_COND 0x08

#define	CMD_SEND_OP_COND 0x01

#define	CMD_SEND_STATUS 0x0d

#define	CMD_SEND_WRITE_PROT 0x1e

#define	CMD_SET_BLOCKLEN 0x10

#define	CMD_SET_WRITE_PROT 0x1c

#define	CMD_STOP_TRANSMISSION 0x0c

#define	CMD_TAG_ERASE_GROUP_END 0x24

#define	CMD_TAG_ERASE_GROUP_START 0x23

#define	CMD_TAG_SECTOR_END 0x21

#define	CMD_TAG_SECTOR_START 0x20

#define	CMD_UNTAG_ERASE_GROUP 0x25

#define	CMD_UNTAG_SECTOR 0x22

#define	CMD_WRITE_MULTIPLE_BLOCK 0x19

#define	CMD_WRITE_SINGLE_BLOCK 0x18

#define	DR_STATUS_ACCEPTED 0x05

#define	DR_STATUS_CRC_ERR 0x0a

#define	DR_STATUS_MASK 0x0e

#define	DR_STATUS_WRITE_ERR 0x0c

#define	R1_ADDR_ERR 5

#define	R1_COM_CRC_ERR 3

#define	R1_ERASE_RESET 1

#define	R1_ERASE_SEQ_ERR 4

#define	R1_IDLE_STATE 0

#define	R1_ILL_COMMAND 2

#define	R1_PARAM_ERR 6

#define	R2_ADDR_ERR (R1_ADDR_ERR + 8)

#define	R2_CARD_ECC_FAIL 4

#define	R2_CARD_ERR 3

#define	R2_CARD_LOCKED 0

#define	R2_COM_CRC_ERR (R1_COM_CRC_ERR + 8)

#define	R2_CSD_OVERWRITE 7

#define	R2_ERASE_RESET (R1_ERASE_RESET + 8)

#define	R2_ERASE_SEQ_ERR (R1_ERASE_SEQ_ERR + 8)

#define	R2_ERR 2

#define	R2_IDLE_STATE (R1_IDLE_STATE + 8)

#define	R2_ILL_COMMAND (R1_ILL_COMMAND + 8)

#define	R2_INVAL_ERASE 6

#define	R2_OUT_OF_RANGE 7

#define	R2_PARAM_ERR (R1_PARAM_ERR + 8)

#define	R2_WP_ERASE_SKIP 1

#define	R2_WP_VIOLATION 5

#define	R3_ADDR_ERR (R1_ADDR_ERR + 32)

#define	R3_COM_CRC_ERR (R1_COM_CRC_ERR + 32)

#define	R3_ERASE_RESET (R1_ERASE_RESET + 32)

#define	R3_ERASE_SEQ_ERR (R1_ERASE_SEQ_ERR + 32)

#define	R3_IDLE_STATE (R1_IDLE_STATE + 32)

#define	R3_ILL_COMMAND (R1_ILL_COMMAND + 32)

#define	R3_OCR_MASK (0xffffffffUL)

#define	R3_PARAM_ERR (R1_PARAM_ERR + 32)

#define	SD_RAW_SPEC_1 0

#define	SD_RAW_SPEC_2 1

#define	SD_RAW_SPEC_SDHC 2

Funktionen
uint8_t	sd_raw_available ()

uint8_t	sd_raw_get_info (struct sd_raw_info *info)

uint8_t	sd_raw_init ()

uint8_t	sd_raw_locked ()

uint8_t	sd_raw_read (offset_t offset, uint8_t *buffer, uintptr_t length)

uint8_t	sd_raw_read_interval (offset_t offset, uint8_t buffer, uintptr_t interval, uintptr_t length, sd_raw_read_interval_handler_t callback, void p)

static uint8_t	sd_raw_rec_byte ()

static void	sd_raw_send_byte (uint8_t b)

static uint8_t	sd_raw_send_command (uint8_t command, uint32_t arg)

uint8_t	sd_raw_sync ()

uint8_t	sd_raw_write (offset_t offset, const uint8_t *buffer, uintptr_t length)

uint8_t	sd_raw_write_interval (offset_t offset, uint8_t buffer, uintptr_t length, sd_raw_write_interval_handler_t callback, void p)

Variablen
static uint8_t	raw_block [512]

static offset_t	raw_block_address

static uint8_t	raw_block_written

static uint8_t	sd_raw_card_type

Ausführliche Beschreibung

SD-Card Reader Bibliothek von Roland Riegel. MMC/SD/SDHC raw access implementation (license: GPLv2 or LGPLv2.1)

Autoren: Copyright (c) 2006-2011 by Roland Riegel feedb.nosp@m.ack@.nosp@m.rolan.nosp@m.d-ri.nosp@m.egel..nosp@m.de, Anpassungen Hanna Burggraf

Datum

2011 / 15.01.2016

            $Revision: 465 $
            $Date: 2016-04-02 12:42:42 +0200 (Sat, 02 Apr 2016) $

This module implements read and write access to MMC, SD and SDHC cards. It serves as a low-level driver for the higher level modules such as partition and file system access.

Definiert in Datei sd_raw.c.


	by Hanna

Makrodefinitionen

Funktionen

Variablen

Ausführliche Beschreibung