145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
/*
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* Author: Lay, Kuan Loon <kuan.loon.lay@intel.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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//For kernel 4.1+,
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//#include <linux/iio/types.h>
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//#include <linux/iio/events.h>
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//linux/iio/types.h
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enum iio_chan_type {
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IIO_VOLTAGE,
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IIO_CURRENT,
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IIO_POWER,
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IIO_ACCEL,
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IIO_ANGL_VEL,
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IIO_MAGN,
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IIO_LIGHT,
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IIO_INTENSITY,
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IIO_PROXIMITY,
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IIO_TEMP,
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IIO_INCLI,
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IIO_ROT,
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IIO_ANGL,
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IIO_TIMESTAMP,
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IIO_CAPACITANCE,
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IIO_ALTVOLTAGE,
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IIO_CCT,
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IIO_PRESSURE,
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IIO_HUMIDITYRELATIVE,
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IIO_ACTIVITY,
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IIO_STEPS,
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IIO_ENERGY,
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IIO_DISTANCE,
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IIO_VELOCITY,
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};
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enum iio_modifier {
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IIO_NO_MOD,
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IIO_MOD_X,
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IIO_MOD_Y,
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IIO_MOD_Z,
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IIO_MOD_X_AND_Y,
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IIO_MOD_X_AND_Z,
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IIO_MOD_Y_AND_Z,
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IIO_MOD_X_AND_Y_AND_Z,
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IIO_MOD_X_OR_Y,
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IIO_MOD_X_OR_Z,
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IIO_MOD_Y_OR_Z,
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IIO_MOD_X_OR_Y_OR_Z,
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IIO_MOD_LIGHT_BOTH,
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IIO_MOD_LIGHT_IR,
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IIO_MOD_ROOT_SUM_SQUARED_X_Y,
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IIO_MOD_SUM_SQUARED_X_Y_Z,
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IIO_MOD_LIGHT_CLEAR,
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IIO_MOD_LIGHT_RED,
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IIO_MOD_LIGHT_GREEN,
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IIO_MOD_LIGHT_BLUE,
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IIO_MOD_QUATERNION,
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IIO_MOD_TEMP_AMBIENT,
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IIO_MOD_TEMP_OBJECT,
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IIO_MOD_NORTH_MAGN,
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IIO_MOD_NORTH_TRUE,
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IIO_MOD_NORTH_MAGN_TILT_COMP,
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IIO_MOD_NORTH_TRUE_TILT_COMP,
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IIO_MOD_RUNNING,
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IIO_MOD_JOGGING,
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IIO_MOD_WALKING,
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IIO_MOD_STILL,
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IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z,
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};
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enum iio_event_type {
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IIO_EV_TYPE_THRESH,
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IIO_EV_TYPE_MAG,
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IIO_EV_TYPE_ROC,
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IIO_EV_TYPE_THRESH_ADAPTIVE,
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IIO_EV_TYPE_MAG_ADAPTIVE,
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IIO_EV_TYPE_CHANGE,
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};
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enum iio_event_direction {
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IIO_EV_DIR_EITHER,
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IIO_EV_DIR_RISING,
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IIO_EV_DIR_FALLING,
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IIO_EV_DIR_NONE,
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};
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//linux/iio/events.h
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#if defined(MSYS) || defined(__APPLE__) || defined(__MACOSX__)
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#define __USE_LINUX_IOCTL_DEFS
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#include <sys/ioctl.h>
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#else
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#include <linux/ioctl.h>
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#endif
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#if defined(__APPLE__) || defined(__MACOSX__)
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#include <osx/osx_endian.h>
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#endif
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/**
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* struct iio_event_data - The actual event being pushed to userspace
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* @id: event identifier
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* @timestamp: best estimate of time of event occurrence (often from
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* the interrupt handler)
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*/
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struct iio_event_data {
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unsigned long long int id;
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long long int timestamp;
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};
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#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)
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#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
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#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
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#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
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/* Event code number extraction depends on which type of event we have.
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* Perhaps review this function in the future*/
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#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((short int)(mask & 0xFFFF))
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#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((short int)(((mask) >> 16) & 0xFFFF))
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#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)
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#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)
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