Contiki 3.x
devicemap.h
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1 /*
2  * Copyright (c) 2014, Eistec AB.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
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8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holder nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  *
29  * This file is part of the Mulle platform port of the Contiki operating system.
30  *
31  */
32 
33 /**
34  * \file
35  * Device I/O mappings for the Mulle platform.
36  * \author
37  * Joakim Gebart <joakim.gebart@eistec.se>
38  */
39 #ifndef DEVICEMAP_H_
40 #define DEVICEMAP_H_
41 
42 #include "devopttab.h"
43 
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47 
48 /** Maximum number of file descriptors allocated to hardware devices. All fd's
49  * above this number will be remapped to CFS accesses. */
50 #define MAX_OPEN_DEVICES 16 /* Arbitrarily chosen */
51 
52 /** Number of IO devices in this platform implementation */
53 #define NUM_IO_DEVICES 16 /* Arbitrarily chosen */
54 
55 /* This table maps the standard streams to device operations table entries. */
56 extern const devoptab_t *devoptab_list[MAX_OPEN_DEVICES];
57 
58 /* This table maps filenames to devices */
59 typedef struct {
60  const char *name;
61  const devoptab_t *devoptab;
62 } devoptab_name_t;
63 
64 typedef struct {
65  unsigned int len;
66  const devoptab_name_t* data;
67 } devoptab_name_list_t;
68 
69 extern const devoptab_name_list_t devoptab_name_list;
70 
71 void devicemap_init(void);
72 
73 #ifdef __cplusplus
74 } /* extern "C" */
75 #endif
76 
77 #endif /* !defined(DEVICEMAP_H_) */
File-like I/O device operations table.
A simple &quot;device operations&quot; table, with function pointers for all the kinds of activities you would ...
Definition: devopttab.h:58
#define MAX_OPEN_DEVICES
Maximum number of file descriptors allocated to hardware devices.
Definition: devicemap.h:50