Xenomai
3.1
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Analogy for Linux, channel, range related features. More...
Go to the source code of this file.
Data Structures | |
struct | a4l_channel |
Structure describing some channel's characteristics. More... | |
struct | a4l_channels_desc |
Structure describing a channels set. More... | |
struct | a4l_range |
Structure describing a (unique) range. More... | |
Macros | |
#define | A4L_CHAN_GLOBAL 0x10 |
Internal use flag (must not be used by driver developer) | |
#define | A4L_RNG_GLOBAL 0x8 |
Internal use flag (must not be used by driver developer) | |
#define | RANGE(x, y) |
Macro to declare a (unique) range with no unit defined. | |
#define | RANGE_V(x, y) |
Macro to declare a (unique) range in Volt. | |
#define | RANGE_mA(x, y) |
Macro to declare a (unique) range in milliAmpere. | |
#define | RANGE_ext(x, y) |
Macro to declare a (unique) range in some external reference. | |
#define | A4L_RNG_GLOBAL_RNGDESC 0 |
Constant to define a ranges descriptor as global (inter-channel) | |
#define | A4L_RNG_PERCHAN_RNGDESC 1 |
Constant to define a ranges descriptor as specific for a channel. | |
#define | RNG_GLOBAL(x) |
Macro to declare a ranges global descriptor in one line. | |
Channel reference | |
#define | A4L_CHAN_AREF_GROUND 0x1 |
Ground reference. | |
#define | A4L_CHAN_AREF_COMMON 0x2 |
Common reference. | |
#define | A4L_CHAN_AREF_DIFF 0x4 |
Differential reference. | |
#define | A4L_CHAN_AREF_OTHER 0x8 |
Misc reference. | |
Channels declaration mode | |
#define | A4L_CHAN_GLOBAL_CHANDESC 0 |
Global declaration, the set contains channels with similar characteristics. | |
#define | A4L_CHAN_PERCHAN_CHANDESC 1 |
Per channel declaration, the decriptor gathers differents channels. | |
Analogy for Linux, channel, range related features.
Copyright (C) 1997-2000 David A. Schleef ds@sc Copyright (C) 2008 Alexis Berlemont hlee f.orgalexi s.be rlemo nt@f ree.f r
Xenomai is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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