2009-09-22 17:20:51 +02:00
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/*
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* Copyright (c) 2009, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* SD driver interface.
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* \author
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* Nicolas Tsiftes <nvt@sics.se>
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*/
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#ifndef SD_H
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#define SD_H
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#include "sd-arch.h"
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2009-11-07 02:05:23 +01:00
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#define SD_DEFAULT_BLOCK_SIZE 512
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2009-09-22 17:20:51 +02:00
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#define SD_REGISTER_SIZE 16
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/* API return codes. */
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#define SD_OK 1
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#define SD_INIT_ERROR_NO_CARD -1
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#define SD_INIT_ERROR_ARCH -2
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#define SD_INIT_ERROR_NO_IF_COND -3
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2009-11-03 16:21:43 +01:00
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#define SD_INIT_ERROR_NO_BLOCK_SIZE -4
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2009-09-22 17:20:51 +02:00
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2009-11-03 16:21:43 +01:00
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#define SD_WRITE_ERROR_NO_CMD_RESPONSE -5
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#define SD_WRITE_ERROR_NO_BLOCK_RESPONSE -6
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#define SD_WRITE_ERROR_PROGRAMMING -7
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#define SD_WRITE_ERROR_TOKEN -8
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#define SD_WRITE_ERROR_NO_TOKEN -9
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2009-09-22 17:20:51 +02:00
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2009-11-03 16:21:43 +01:00
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#define SD_READ_ERROR_NO_CMD_RESPONSE -10
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#define SD_READ_ERROR_INVALID_SIZE -11
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#define SD_READ_ERROR_TOKEN -12
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#define SD_READ_ERROR_NO_TOKEN -13
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2009-09-22 17:20:51 +02:00
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/* Type definition. */
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typedef uint32_t sd_offset_t;
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/* API */
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int sd_initialize(void);
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int sd_write(sd_offset_t, char *, unsigned);
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int sd_read(sd_offset_t, char *, unsigned);
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int sd_write_block(sd_offset_t, char *);
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int sd_read_block(sd_offset_t, char *);
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sd_offset_t sd_get_capacity(void);
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char *sd_error_string(int);
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#endif /* !SD_H */
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