2 * Author: Brendan Le Foll <brendan.le.foll@intel.com>
3 * Copyright (c) 2015 Intel Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "iio_kernel_headers.h"
34 mraa_boolean_t lendian;
38 unsigned int bits_used;
41 unsigned int location;
53 * An iio context represents an IIO device
55 * @snippet iio_driver.c Interesting
70 * Opaque pointer definition to the internal struct _iio
72 typedef struct _iio* mraa_iio_context;
75 * Initialise iio context
77 * @param bus iio device to use
78 * @return i2c context or NULL
80 mraa_iio_context mraa_iio_init(int device);
82 mraa_result_t mraa_iio_trigger_buffer(mraa_iio_context dev, void (*fptr)(char* data), void* args);
84 const char* mraa_iio_get_device_name(mraa_iio_context dev);
86 int mraa_iio_get_device_num_by_name(const char* name);
88 int mraa_iio_read_size(mraa_iio_context dev);
90 mraa_iio_channel* mraa_iio_get_channels(mraa_iio_context dev);
92 int mraa_iio_get_channel_count(mraa_iio_context dev);
96 mraa_result_t mraa_iio_read(mraa_iio_context dev, const char* attribute, float* data);
101 mraa_result_t mraa_iio_write(mraa_iio_context dev, const char* attr_chan, const char* data);
103 mraa_result_t mraa_iio_get_channel_data(mraa_iio_context dev);
105 mraa_result_t mraa_iio_get_event_data(mraa_iio_context dev);
107 mraa_result_t mraa_iio_event_read(mraa_iio_context dev, const char* attribute, float* data);
109 mraa_result_t mraa_iio_event_write(mraa_iio_context dev, const char* attribute, const char* data);
111 mraa_result_t mraa_iio_event_poll(mraa_iio_context dev, struct iio_event_data* data);
113 mraa_result_t mraa_iio_event_setup_callback(mraa_iio_context dev, void (*fptr)(struct iio_event_data* data), void* args);
115 mraa_result_t mraa_iio_event_extract_event(struct iio_event_data* event, int* chan_type, int* modifier, int* type, int* direction, int* channel, int* channel2, int* different);
117 * De-inits an mraa_iio_context device
119 * @param dev The iio context
120 * @return Result of operation
122 mraa_result_t mraa_iio_stop(mraa_iio_context dev);