Mercurial > pihelp

annotate partition.h @ 32:bd9ce7e581ec

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix bad merge
author Matt Johnston <matt@ucc.asn.au>
date Thu, 27 Jun 2013 11:40:35 +0800
parents 5f9a40d6991b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 /*
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 * Copyright (c) 2006-2012 by Roland Riegel <[email protected]>
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 * This file is free software; you can redistribute it and/or modify
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 * it under the terms of either the GNU General Public License version 2
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * or the GNU Lesser General Public License version 2.1, both as
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * published by the Free Software Foundation.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 #ifndef PARTITION_H
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 #define PARTITION_H
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 #include <stdint.h>
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 #include "sd_raw_config.h"
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 #include "partition_config.h"
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 #ifdef __cplusplus
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 extern "C"
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 {
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 #endif
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24 * \addtogroup partition
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
25 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26 * @{
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
27 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
29 * \file
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
30 * Partition table header (license: GPLv2 or LGPLv2.1)
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
31 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
32 * \author Roland Riegel
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
33 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
35 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
36 * The partition table entry is not used.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
37 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
38 #define PARTITION_TYPE_FREE 0x00
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
39 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
40 * The partition contains a FAT12 filesystem.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
41 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
42 #define PARTITION_TYPE_FAT12 0x01
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
43 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
44 * The partition contains a FAT16 filesystem with 32MB maximum.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
45 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
46 #define PARTITION_TYPE_FAT16_32MB 0x04
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
47 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
48 * The partition is an extended partition with its own partition table.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
49 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
50 #define PARTITION_TYPE_EXTENDED 0x05
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
51 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
52 * The partition contains a FAT16 filesystem.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
54 #define PARTITION_TYPE_FAT16 0x06
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
55 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
56 * The partition contains a FAT32 filesystem.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
57 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
58 #define PARTITION_TYPE_FAT32 0x0b
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
59 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
60 * The partition contains a FAT32 filesystem with LBA.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
61 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
62 #define PARTITION_TYPE_FAT32_LBA 0x0c
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
63 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
64 * The partition contains a FAT16 filesystem with LBA.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
65 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
66 #define PARTITION_TYPE_FAT16_LBA 0x0e
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
67 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
68 * The partition is an extended partition with LBA.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
69 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
70 #define PARTITION_TYPE_EXTENDED_LBA 0x0f
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
71 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
72 * The partition has an unknown type.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
74 #define PARTITION_TYPE_UNKNOWN 0xff
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
75
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
77 * A function pointer used to read from the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
78 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
79 * \param[in] offset The offset on the device where to start reading.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
80 * \param[out] buffer The buffer into which to place the data.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
81 * \param[in] length The count of bytes to read.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
82 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
83 typedef uint8_t (*device_read_t)(offset_t offset, uint8_t* buffer, uintptr_t length);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
84 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
85 * A function pointer passed to a \c device_read_interval_t.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
86 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
87 * \param[in] buffer The buffer which contains the data just read.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
88 * \param[in] offset The offset from which the data in \c buffer was read.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
89 * \param[in] p An opaque pointer.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
90 * \see device_read_interval_t
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
91 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
92 typedef uint8_t (*device_read_callback_t)(uint8_t* buffer, offset_t offset, void* p);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
93 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
94 * A function pointer used to continuously read units of \c interval bytes
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
95 * and call a callback function.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
96 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
97 * This function starts reading at the specified offset. Every \c interval bytes,
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98 * it calls the callback function with the associated data buffer.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
99 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
100 * By returning zero, the callback may stop reading.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
101 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
102 * \param[in] offset Offset from which to start reading.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
103 * \param[in] buffer Pointer to a buffer which is at least interval bytes in size.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
104 * \param[in] interval Number of bytes to read before calling the callback function.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
105 * \param[in] length Number of bytes to read altogether.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
106 * \param[in] callback The function to call every interval bytes.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
107 * \param[in] p An opaque pointer directly passed to the callback function.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
108 * \returns 0 on failure, 1 on success
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
109 * \see device_read_t
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
110 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
111 typedef uint8_t (*device_read_interval_t)(offset_t offset, uint8_t* buffer, uintptr_t interval, uintptr_t length, device_read_callback_t callback, void* p);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
112 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
113 * A function pointer used to write to the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
114 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
115 * \param[in] offset The offset on the device where to start writing.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
116 * \param[in] buffer The buffer which to write.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
117 * \param[in] length The count of bytes to write.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
118 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
119 typedef uint8_t (*device_write_t)(offset_t offset, const uint8_t* buffer, uintptr_t length);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
120 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
121 * A function pointer passed to a \c device_write_interval_t.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
122 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123 * \param[in] buffer The buffer which receives the data to write.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124 * \param[in] offset The offset to which the data in \c buffer will be written.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
125 * \param[in] p An opaque pointer.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
126 * \returns The number of bytes put into \c buffer
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
127 * \see device_write_interval_t
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
128 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
129 typedef uintptr_t (*device_write_callback_t)(uint8_t* buffer, offset_t offset, void* p);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
130 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
131 * A function pointer used to continuously write a data stream obtained from
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
132 * a callback function.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
133 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
134 * This function starts writing at the specified offset. To obtain the
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
135 * next bytes to write, it calls the callback function. The callback fills the
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
136 * provided data buffer and returns the number of bytes it has put into the buffer.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
137 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
138 * By returning zero, the callback may stop writing.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 * \param[in] offset Offset where to start writing.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 * \param[in] buffer Pointer to a buffer which is used for the callback function.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
142 * \param[in] length Number of bytes to write in total. May be zero for endless writes.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
143 * \param[in] callback The function used to obtain the bytes to write.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
144 * \param[in] p An opaque pointer directly passed to the callback function.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
145 * \returns 0 on failure, 1 on success
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
146 * \see device_write_t
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
147 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
148 typedef uint8_t (*device_write_interval_t)(offset_t offset, uint8_t* buffer, uintptr_t length, device_write_callback_t callback, void* p);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
149
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
150 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
151 * Describes a partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 struct partition_struct
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
154 {
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
155 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156 * The function which reads data from the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 * \note The offset given to this function is relative to the whole disk,
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 * not to the start of the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 device_read_t device_read;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 * The function which repeatedly reads a constant amount of data from the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 * \note The offset given to this function is relative to the whole disk,
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 * not to the start of the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 device_read_interval_t device_read_interval;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 * The function which writes data to the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 * \note The offset given to this function is relative to the whole disk,
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173 * not to the start of the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 device_write_t device_write;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
177 * The function which repeatedly writes data to the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
178 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179 * \note The offset given to this function is relative to the whole disk,
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
180 * not to the start of the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 device_write_interval_t device_write_interval;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
184 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185 * The type of the partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 *
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 * Compare this value to the PARTITION_TYPE_* constants.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
188 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 uint8_t type;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 * The offset in blocks on the disk where this partition starts.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 uint32_t offset;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
195 * The length in blocks of this partition.
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
197 uint32_t length;
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198 };
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 struct partition_struct* partition_open(device_read_t device_read, device_read_interval_t device_read_interval, device_write_t device_write, device_write_interval_t device_write_interval, int8_t index);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 uint8_t partition_close(struct partition_struct* partition);
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
202
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203 /**
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 * @}
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 */
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
207 #ifdef __cplusplus
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
208 }
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 #endif
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211 #endif
5f9a40d6991b Import SD handling from http://www.roland-riegel.de/sd-reader/index.html
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212