78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2009, Swedish Institute of Computer Science
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* SD driver interface.
|
|
* \author
|
|
* Nicolas Tsiftes <nvt@sics.se>
|
|
*/
|
|
|
|
#ifndef SD_H
|
|
#define SD_H
|
|
|
|
#include "sd-arch.h"
|
|
|
|
#define SD_BLOCK_SIZE 512
|
|
#define SD_REGISTER_SIZE 16
|
|
|
|
/* API return codes. */
|
|
#define SD_OK 1
|
|
|
|
#define SD_INIT_ERROR_NO_CARD -1
|
|
#define SD_INIT_ERROR_ARCH -2
|
|
#define SD_INIT_ERROR_NO_IF_COND -3
|
|
|
|
#define SD_WRITE_ERROR_NO_CMD_RESPONSE -4
|
|
#define SD_WRITE_ERROR_NO_BLOCK_RESPONSE -5
|
|
#define SD_WRITE_ERROR_PROGRAMMING -6
|
|
#define SD_WRITE_ERROR_TOKEN -7
|
|
#define SD_WRITE_ERROR_NO_TOKEN -8
|
|
|
|
#define SD_READ_ERROR_NO_CMD_RESPONSE -9
|
|
#define SD_READ_ERROR_INVALID_SIZE -10
|
|
#define SD_READ_ERROR_TOKEN -11
|
|
#define SD_READ_ERROR_NO_TOKEN -12
|
|
|
|
/* Type definition. */
|
|
typedef uint32_t sd_offset_t;
|
|
|
|
/* API */
|
|
int sd_initialize(void);
|
|
int sd_write(sd_offset_t, char *, unsigned);
|
|
int sd_read(sd_offset_t, char *, unsigned);
|
|
int sd_write_block(sd_offset_t, char *);
|
|
int sd_read_block(sd_offset_t, char *);
|
|
sd_offset_t sd_get_capacity(void);
|
|
char *sd_error_string(int);
|
|
|
|
#endif /* !SD_H */
|