2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2011-08-12 16:55:38 +01:00
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Hardware chip or device accessed by one communication port.
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2010-11-22 23:31:16 +00:00
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Corresponds to a grouping of sensor channels. X is the IIO
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index of the device.
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2010-05-04 14:43:05 +01:00
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2010-11-22 23:31:16 +00:00
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What: /sys/bus/iio/devices/triggerX
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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An event driven driver of data capture to an in kernel buffer.
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May be provided by a device driver that also has an IIO device
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based on hardware generated events (e.g. data ready) or
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provided by a separate driver for other hardware (e.g.
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2010-11-22 23:31:16 +00:00
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periodic timer, GPIO or high resolution timer).
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2010-05-04 14:43:05 +01:00
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Contains trigger type specific elements. These do not
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generalize well and hence are not documented in this file.
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2010-11-22 23:31:16 +00:00
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X is the IIO index of the trigger.
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2010-05-04 14:43:05 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/buffer
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2011-08-30 12:32:49 +01:00
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Directory of attributes relating to the buffer for the device.
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2010-05-04 14:43:05 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/name
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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Description of the physical chip / device for device X.
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Typically a part number.
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2010-05-04 14:43:05 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency
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2011-09-21 11:15:51 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
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What: /sys/bus/iio/devices/triggerX/sampling_frequency
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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Some devices have internal clocks. This parameter sets the
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resulting sampling frequency. In many devices this
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2012-06-12 15:31:27 +02:00
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parameter has an effect on input filters etc. rather than
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2010-05-04 14:43:05 +01:00
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simply controlling when the input is sampled. As this
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2012-06-12 15:31:27 +02:00
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effects data ready triggers, hardware buffers and the sysfs
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2010-05-04 14:43:05 +01:00
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direct access interfaces, it may be found in any of the
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relevant directories. If it effects all of the above
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2011-09-21 11:15:51 +01:00
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then it is to be found in the base device directory.
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2010-05-04 14:43:05 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available
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2011-09-21 11:15:51 +01:00
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What: /sys/.../iio:deviceX/buffer/sampling_frequency_available
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What: /sys/bus/iio/devices/triggerX/sampling_frequency_available
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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When the internal sampling clock can only take a small
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2010-11-22 23:31:16 +00:00
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discrete set of values, this file lists those available.
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2010-05-04 14:43:05 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio
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2011-02-22 21:46:18 +01:00
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KernelVersion: 2.6.38
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Contact: linux-iio@vger.kernel.org
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Description:
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Hardware dependent ADC oversampling. Controls the sampling ratio
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of the digital filter if available.
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio_available
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2011-02-22 21:46:18 +01:00
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KernelVersion: 2.6.38
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Contact: linux-iio@vger.kernel.org
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Description:
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Hardware dependent values supported by the oversampling filter.
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2012-06-12 15:31:27 +02:00
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Raw (unscaled no bias removal etc.) voltage measurement from
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2010-11-22 23:31:16 +00:00
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channel Y. In special cases where the channel does not
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correspond to externally available input one of the named
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versions may be used. The number must always be specified and
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2011-09-21 11:15:51 +01:00
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unique to allow association with event codes. Units after
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application of scale and offset are microvolts.
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2010-11-22 23:31:16 +00:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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Raw (unscaled) differential voltage measurement equivalent to
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channel Y - channel Z where these channel numbers apply to the
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physically equivalent inputs when non differential readings are
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separately available. In differential only parts, then all that
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2011-09-21 11:15:51 +01:00
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is required is a consistent labeling. Units after application
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of scale and offset are microvolts.
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2010-05-04 14:43:05 +01:00
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2011-09-21 11:15:52 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw
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KernelVersion: 3.2
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Contact: linux-iio@vger.kernel.org
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Description:
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Raw capacitance measurement from channel Y. Units after
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application of scale and offset are nanofarads.
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What: /sys/.../iio:deviceX/in_capacitanceY-in_capacitanceZ_raw
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KernelVersion: 3.2
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Contact: linux-iio@vger.kernel.org
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Description:
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Raw differential capacitance measurement equivalent to
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channel Y - channel Z where these channel numbers apply to the
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physically equivalent inputs when non differential readings are
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separately available. In differential only parts, then all that
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is required is a consistent labeling. Units after application
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2012-04-25 15:54:57 +01:00
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of scale and offset are nanofarads.
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2011-09-21 11:15:52 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_temp_raw
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2011-09-21 11:15:51 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_tempX_raw
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_temp_x_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_temp_y_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_temp_z_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2012-06-12 15:31:27 +02:00
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Raw (unscaled no bias removal etc.) temperature measurement.
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2012-04-25 15:54:57 +01:00
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If an axis is specified it generally means that the temperature
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2010-11-22 23:31:16 +00:00
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sensor is associated with one part of a compound device (e.g.
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2011-09-21 11:15:51 +01:00
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a gyroscope axis). Units after application of scale and offset
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2012-06-15 19:25:23 +02:00
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are milli degrees Celsius.
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2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_tempX_input
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2011-02-24 12:32:45 +01:00
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KernelVersion: 2.6.38
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Contact: linux-iio@vger.kernel.org
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Description:
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Scaled temperature measurement in milli degrees Celsius.
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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Acceleration in direction x, y or z (may be arbitrarily assigned
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2011-09-21 11:15:51 +01:00
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but should match other such assignments on device).
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Has all of the equivalent parameters as per voltageY. Units
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after application of scale and offset are m/s^2.
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2010-05-04 14:43:05 +01:00
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2011-10-05 15:28:00 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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Angular velocity about axis x, y or z (may be arbitrarily
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2012-06-12 15:31:27 +02:00
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assigned). Has all the equivalent parameters as per voltageY.
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Units after application of scale and offset are radians per
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second.
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2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_incli_z_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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Inclination raw reading about axis x, y or z (may be
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arbitrarily assigned). Data converted by application of offset
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2012-06-12 15:31:27 +02:00
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and scale to degrees.
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2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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Magnetic field along axis x, y or z (may be arbitrarily
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2011-09-21 11:15:51 +01:00
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assigned). Data converted by application of offset
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then scale to Gauss.
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2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_peak_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_peak_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_peak_raw
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2010-11-22 23:31:16 +00:00
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KernelVersion: 2.6.36
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2010-05-04 14:43:05 +01:00
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Contact: linux-iio@vger.kernel.org
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Description:
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2011-09-21 11:15:51 +01:00
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Highest value since some reset condition. These
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attributes allow access to this and are otherwise
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the direct equivalent of the <type>Y[_name]_raw attributes.
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2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_xyz_squared_peak_raw
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2010-11-22 23:31:16 +00:00
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KernelVersion: 2.6.36
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2010-05-04 14:43:05 +01:00
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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A computed peak value based on the sum squared magnitude of
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the underlying value in the specified directions.
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2010-05-04 14:43:05 +01:00
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2012-11-20 13:36:00 +00:00
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What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_raw
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What: /sys/bus/iio/devices/iio:deviceX/in_pressure_raw
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KernelVersion: 3.8
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Contact: linux-iio@vger.kernel.org
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Description:
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Raw pressure measurement from channel Y. Units after
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application of scale and offset are kilopascal.
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset
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2011-09-21 11:15:51 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset
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What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset
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What: /sys/bus/iio/devices/iio:deviceX/in_voltage_offset
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What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset
|
2012-11-20 13:36:00 +00:00
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What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset
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What: /sys/bus/iio/devices/iio:deviceX/in_pressure_offset
|
2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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If known for a device, offset to be added to <type>[Y]_raw prior
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to scaling by <type>[Y]_scale in order to obtain value in the
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2012-06-12 15:31:27 +02:00
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<type> units as specified in <type>[Y]_raw documentation.
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2011-09-21 11:15:51 +01:00
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Not present if the offset is always 0 or unknown. If Y or
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axis <x|y|z> is not present, then the offset applies to all
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in channels of <type>.
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2010-11-22 23:31:16 +00:00
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May be writable if a variable offset can be applied on the
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device. Note that this is different to calibbias which
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is for devices (or drivers) that apply offsets to compensate
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for variation between different instances of the part, typically
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adjusted by using some hardware supported calibration procedure.
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2011-09-21 11:15:51 +01:00
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Calibbias is applied internally, offset is applied in userspace
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to the _raw output.
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2010-11-22 23:31:16 +00:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale
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What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
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2012-05-21 14:30:31 +02:00
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
|
2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
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2011-10-05 15:28:00 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale
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2012-11-20 13:36:00 +00:00
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What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_scale
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What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale
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2010-05-07 15:38:57 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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If known for a device, scale to be applied to <type>Y[_name]_raw
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post addition of <type>[Y][_name]_offset in order to obtain the
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measured value in <type> units as specified in
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2012-04-25 15:54:57 +01:00
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<type>[Y][_name]_raw documentation. If shared across all in
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2011-09-21 11:15:51 +01:00
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channels then Y and <x|y|z> are not present and the value is
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called <type>[Y][_name]_scale. The peak modifier means this
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value is applied to <type>Y[_name]_peak_raw values.
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2010-11-22 23:31:16 +00:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias
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2011-10-05 15:28:00 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias
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What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias
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2012-04-24 11:56:49 -05:00
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What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibbias
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What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias
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2012-11-20 13:36:00 +00:00
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What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibbias
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What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibbias
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2012-06-12 15:31:27 +02:00
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Hardware applied calibration offset (assumed to fix production
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2011-09-21 11:15:51 +01:00
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inaccuracies).
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2010-11-22 23:31:16 +00:00
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2011-09-02 17:14:35 +01:00
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What /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale
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2011-10-05 15:28:00 +01:00
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What /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale
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What /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale
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2012-04-24 11:56:49 -05:00
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what /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibscale
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what /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale
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2012-11-20 13:36:00 +00:00
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What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibscale
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What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibscale
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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2012-06-12 15:31:27 +02:00
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Hardware applied calibration scale factor (assumed to fix
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2010-11-22 23:31:16 +00:00
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production inaccuracies). If shared across all channels,
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<type>_calibscale is used.
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2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
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2011-09-21 11:15:51 +01:00
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What: /sys/.../iio:deviceX/in_voltageX_scale_available
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What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available
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What: /sys/.../iio:deviceX/out_voltageX_scale_available
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2012-05-21 14:30:31 +02:00
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What: /sys/.../iio:deviceX/out_altvoltageX_scale_available
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2011-09-21 11:15:52 +01:00
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What: /sys/.../iio:deviceX/in_capacitance_scale_available
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2012-11-20 13:36:00 +00:00
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What: /sys/.../iio:deviceX/in_pressure_scale_available
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What: /sys/.../iio:deviceX/in_pressureY_scale_available
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2012-07-01 12:20:11 +02:00
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KernelVersion: 2.6.35
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2010-05-04 14:43:05 +01:00
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Contact: linux-iio@vger.kernel.org
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Description:
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2012-06-12 15:31:27 +02:00
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If a discrete set of scale values is available, they
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2010-11-22 23:31:16 +00:00
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are listed in this attribute.
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2010-05-04 14:43:05 +01:00
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2012-05-11 11:36:53 +02:00
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What /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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Hardware applied gain factor. If shared across all channels,
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<type>_hardwaregain is used.
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2011-11-27 11:39:14 +00:00
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What: /sys/.../in_accel_filter_low_pass_3db_frequency
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What: /sys/.../in_magn_filter_low_pass_3db_frequency
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What: /sys/.../in_anglvel_filter_low_pass_3db_frequency
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KernelVersion: 3.2
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Contact: linux-iio@vger.kernel.org
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Description:
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If a known or controllable low pass filter is applied
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to the underlying data channel, then this parameter
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gives the 3dB frequency of the filter in Hz.
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2011-09-21 11:15:51 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw
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2012-05-21 14:30:31 +02:00
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw
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2011-01-13 17:43:29 +01:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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Raw (unscaled, no bias etc.) output voltage for
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channel Y. The number must always be specified and
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unique if the output corresponds to a single channel.
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2012-05-21 14:30:31 +02:00
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While DAC like devices typically use out_voltage,
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a continuous frequency generating device, such as
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a DDS or PLL should use out_altvoltage.
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2011-01-13 17:43:29 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw
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2012-05-21 14:30:31 +02:00
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw
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2011-01-13 17:43:29 +01:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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Raw (unscaled, no bias etc.) output voltage for an aggregate of
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channel Y, channel Z, etc. This interface is available in cases
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where a single output sets the value for multiple channels
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simultaneously.
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode
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What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode
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2012-05-21 14:30:31 +02:00
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode
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2011-03-09 16:01:45 +01:00
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KernelVersion: 2.6.38
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Contact: linux-iio@vger.kernel.org
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Description:
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Specifies the output powerdown mode.
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DAC output stage is disconnected from the amplifier and
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2012-06-12 15:31:27 +02:00
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1kohm_to_gnd: connected to ground via an 1kOhm resistor,
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6kohm_to_gnd: connected to ground via a 6kOhm resistor,
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20kohm_to_gnd: connected to ground via a 20kOhm resistor,
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100kohm_to_gnd: connected to ground via an 100kOhm resistor,
|
2013-06-23 22:30:00 +01:00
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500kohm_to_gnd: connected to ground via a 500kOhm resistor,
|
2012-06-12 15:31:27 +02:00
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three_state: left floating.
|
2011-03-09 16:01:45 +01:00
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For a list of available output power down options read
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outX_powerdown_mode_available. If Y is not present the
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mode is shared across all outputs.
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2011-09-02 17:14:35 +01:00
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What: /sys/.../iio:deviceX/out_votlageY_powerdown_mode_available
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What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available
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2012-05-21 14:30:31 +02:00
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What: /sys/.../iio:deviceX/out_altvotlageY_powerdown_mode_available
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What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available
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2011-03-09 16:01:45 +01:00
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KernelVersion: 2.6.38
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Contact: linux-iio@vger.kernel.org
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Description:
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Lists all available output power down modes.
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If Y is not present the mode is shared across all outputs.
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2011-09-02 17:14:35 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown
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What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown
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2012-05-21 14:30:31 +02:00
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown
|
2011-03-09 16:01:45 +01:00
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KernelVersion: 2.6.38
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Contact: linux-iio@vger.kernel.org
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Description:
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Writing 1 causes output Y to enter the power down mode specified
|
2012-06-12 15:31:27 +02:00
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by the corresponding outY_powerdown_mode. DAC output stage is
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disconnected from the amplifier. Clearing returns to normal
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operation. Y may be suppressed if all outputs are controlled
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together.
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2011-03-09 16:01:45 +01:00
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2012-05-21 14:30:31 +02:00
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
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KernelVersion: 3.4.0
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Contact: linux-iio@vger.kernel.org
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Description:
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Output frequency for channel Y in Hz. The number must always be
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specified and unique if the output corresponds to a single
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channel.
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What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase
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KernelVersion: 3.4.0
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Contact: linux-iio@vger.kernel.org
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Description:
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Phase in radians of one frequency/clock output Y
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(out_altvoltageY) relative to another frequency/clock output
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(out_altvoltageZ) of the device X. The number must always be
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specified and unique if the output corresponds to a single
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channel.
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|
2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/events
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2010-11-22 23:31:16 +00:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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Configuration of which hardware generated events are passed up
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to user-space.
|
2010-05-04 14:43:05 +01:00
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2011-09-02 17:14:35 +01:00
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What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en
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What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en
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What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en
|
2011-10-05 15:28:00 +01:00
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What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_falling_en
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What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_falling_en
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What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_falling_en
|
2011-09-02 17:14:35 +01:00
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What: /sys/.../iio:deviceX/events/in_magn_x_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_magn_x_thresh_falling_en
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What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en
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What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en
|
2011-09-21 11:15:51 +01:00
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What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en
|
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What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en
|
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What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en
|
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What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en
|
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What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en
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What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en
|
2010-10-08 12:14:12 +01:00
|
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KernelVersion: 2.6.37
|
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Contact: linux-iio@vger.kernel.org
|
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Description:
|
2010-11-22 23:31:16 +00:00
|
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Event generated when channel passes a threshold in the specified
|
2010-10-08 12:14:12 +01:00
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(_rising|_falling) direction. If the direction is not specified,
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then either the device will report an event which ever direction
|
2011-09-21 11:15:51 +01:00
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a single threshold value is passed in (e.g.
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<type>[Y][_name]_<raw|input>_thresh_value) or
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<type>[Y][_name]_<raw|input>_thresh_rising_value and
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<type>[Y][_name]_<raw|input>_thresh_falling_value may take
|
2010-11-22 23:31:16 +00:00
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different values, but the device can only enable both thresholds
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or neither.
|
2010-10-08 12:14:12 +01:00
|
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Note the driver will assume the last p events requested are
|
2012-06-12 15:31:27 +02:00
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to be enabled where p is how many it supports (which may vary
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depending on the exact set requested. So if you want to be
|
2010-10-08 12:14:12 +01:00
|
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sure you have set what you think you have, check the contents of
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these attributes after everything is configured. Drivers may
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have to buffer any parameters so that they are consistent when
|
2012-06-12 15:31:27 +02:00
|
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a given event type is enabled at a future point (and not those for
|
2010-10-08 12:14:12 +01:00
|
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whatever event was previously enabled).
|
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|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en
|
2011-10-05 15:28:00 +01:00
|
|
|
What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_falling_en
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../iio:deviceX/events/in_magn_x_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_magn_x_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_voltageY_roc_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_tempY_roc_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_tempY_roc_falling_en
|
2010-11-22 23:31:16 +00:00
|
|
|
KernelVersion: 2.6.37
|
|
|
|
|
Contact: linux-iio@vger.kernel.org
|
|
|
|
|
Description:
|
|
|
|
|
Event generated when channel passes a threshold on the rate of
|
|
|
|
|
change (1st differential) in the specified (_rising|_falling)
|
|
|
|
|
direction. If the direction is not specified, then either the
|
|
|
|
|
device will report an event which ever direction a single
|
2011-09-21 11:15:51 +01:00
|
|
|
threshold value is passed in (e.g.
|
|
|
|
|
<type>[Y][_name]_<raw|input>_roc_value) or
|
|
|
|
|
<type>[Y][_name]_<raw|input>_roc_rising_value and
|
|
|
|
|
<type>[Y][_name]_<raw|input>_roc_falling_value may take
|
2010-11-22 23:31:16 +00:00
|
|
|
different values, but the device can only enable both rate of
|
|
|
|
|
change thresholds or neither.
|
|
|
|
|
Note the driver will assume the last p events requested are
|
|
|
|
|
to be enabled where p is however many it supports (which may
|
|
|
|
|
vary depending on the exact set requested. So if you want to be
|
|
|
|
|
sure you have set what you think you have, check the contents of
|
|
|
|
|
these attributes after everything is configured. Drivers may
|
|
|
|
|
have to buffer any parameters so that they are consistent when
|
|
|
|
|
a given event type is enabled a future point (and not those for
|
|
|
|
|
whatever event was previously enabled).
|
|
|
|
|
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_accel_x_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_accel_x_raw_thresh_falling_value
|
|
|
|
|
What: /sys/.../events/in_accel_y_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_accel_y_raw_thresh_falling_value
|
|
|
|
|
What: /sys/.../events/in_accel_z_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_accel_z_raw_thresh_falling_value
|
2011-10-05 15:28:00 +01:00
|
|
|
What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_raw_thresh_falling_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_raw_thresh_falling_value
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_magn_x_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_magn_x_raw_thresh_falling_value
|
|
|
|
|
What: /sys/.../events/in_magn_y_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_magn_y_raw_thresh_falling_value
|
|
|
|
|
What: /sys/.../events/in_magn_z_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_magn_z_raw_thresh_falling_value
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value
|
|
|
|
|
What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value
|
2012-04-13 10:24:19 +01:00
|
|
|
What: /sys/.../events/in_voltageY_raw_thresh_rising_value
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_voltageY_raw_thresh_falling_value
|
2012-04-13 10:24:19 +01:00
|
|
|
What: /sys/.../events/in_tempY_raw_thresh_rising_value
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_tempY_raw_thresh_falling_value
|
2012-04-24 11:56:49 -05:00
|
|
|
What: /sys/.../events/in_illuminance0_thresh_falling_value
|
|
|
|
|
what: /sys/.../events/in_illuminance0_thresh_rising_value
|
|
|
|
|
what: /sys/.../events/in_proximity0_thresh_falling_value
|
|
|
|
|
what: /sys/.../events/in_proximity0_thresh_rising_value
|
2010-10-08 12:14:12 +01:00
|
|
|
KernelVersion: 2.6.37
|
2010-05-04 14:43:05 +01:00
|
|
|
Contact: linux-iio@vger.kernel.org
|
|
|
|
|
Description:
|
2010-10-08 12:14:12 +01:00
|
|
|
Specifies the value of threshold that the device is comparing
|
|
|
|
|
against for the events enabled by
|
2011-09-21 11:15:51 +01:00
|
|
|
<type>Y[_name]_thresh[_rising|falling]_en.
|
|
|
|
|
If separate attributes exist for the two directions, but
|
2010-11-22 23:31:16 +00:00
|
|
|
direction is not specified for this attribute, then a single
|
|
|
|
|
threshold value applies to both directions.
|
2010-10-08 12:14:12 +01:00
|
|
|
The raw or input element of the name indicates whether the
|
|
|
|
|
value is in raw device units or in processed units (as _raw
|
|
|
|
|
and _input do on sysfs direct channel read attributes).
|
2010-05-04 14:43:05 +01:00
|
|
|
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_accel_x_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_accel_x_raw_roc_falling_value
|
|
|
|
|
What: /sys/.../events/in_accel_y_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_accel_y_raw_roc_falling_value
|
|
|
|
|
What: /sys/.../events/in_accel_z_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_accel_z_raw_roc_falling_value
|
2011-10-05 15:28:00 +01:00
|
|
|
What: /sys/.../events/in_anglvel_x_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_x_raw_roc_falling_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_raw_roc_falling_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_raw_roc_falling_value
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_magn_x_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_magn_x_raw_roc_falling_value
|
|
|
|
|
What: /sys/.../events/in_magn_y_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_magn_y_raw_roc_falling_value
|
|
|
|
|
What: /sys/.../events/in_magn_z_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_magn_z_raw_roc_falling_value
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value
|
|
|
|
|
What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value
|
2012-04-13 10:24:19 +01:00
|
|
|
What: /sys/.../events/in_voltageY_raw_roc_rising_value
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_voltageY_raw_roc_falling_value
|
2012-04-13 10:24:19 +01:00
|
|
|
What: /sys/.../events/in_tempY_raw_roc_rising_value
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_tempY_raw_roc_falling_value
|
2010-10-08 12:14:12 +01:00
|
|
|
KernelVersion: 2.6.37
|
|
|
|
|
Contact: linux-iio@vger.kernel.org
|
|
|
|
|
Description:
|
2010-11-22 23:31:16 +00:00
|
|
|
Specifies the value of rate of change threshold that the
|
|
|
|
|
device is comparing against for the events enabled by
|
2011-09-21 11:15:51 +01:00
|
|
|
<type>[Y][_name]_roc[_rising|falling]_en.
|
2010-11-22 23:31:16 +00:00
|
|
|
If separate attributes exist for the two directions,
|
|
|
|
|
but direction is not specified for this attribute,
|
|
|
|
|
then a single threshold value applies to both directions.
|
|
|
|
|
The raw or input element of the name indicates whether the
|
|
|
|
|
value is in raw device units or in processed units (as _raw
|
|
|
|
|
and _input do on sysfs direct channel read attributes).
|
2010-10-08 12:14:12 +01:00
|
|
|
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_accel_x_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_accel_x_thresh_falling_period
|
|
|
|
|
hat: /sys/.../events/in_accel_x_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_accel_x_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_accel_y_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_accel_y_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_accel_y_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_accel_y_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_accel_z_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_accel_z_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_accel_z_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_accel_z_roc_falling_period
|
2011-10-05 15:28:00 +01:00
|
|
|
What: /sys/.../events/in_anglvel_x_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_x_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_x_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_x_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_y_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_anglvel_z_roc_falling_period
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_magn_x_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_magn_x_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_magn_x_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_magn_x_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_magn_y_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_magn_y_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_magn_y_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_magn_y_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_magn_z_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_magn_z_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_magn_z_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_magn_z_roc_falling_period
|
2011-09-21 11:15:51 +01:00
|
|
|
What: /sys/.../events/in_voltageY_supply_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_supply_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_supply_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_supply_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_voltageY_roc_falling_period
|
|
|
|
|
What: /sys/.../events/in_tempY_thresh_rising_period
|
|
|
|
|
What: /sys/.../events/in_tempY_thresh_falling_period
|
|
|
|
|
What: /sys/.../events/in_tempY_roc_rising_period
|
|
|
|
|
What: /sys/.../events/in_tempY_roc_falling_period
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_accel_x&y&z_mag_falling_period
|
2012-04-24 11:56:49 -05:00
|
|
|
What: /sys/.../events/in_intensity0_thresh_period
|
|
|
|
|
What: /sys/.../events/in_proximity0_thresh_period
|
2010-10-08 12:14:12 +01:00
|
|
|
KernelVersion: 2.6.37
|
2010-05-04 14:43:05 +01:00
|
|
|
Contact: linux-iio@vger.kernel.org
|
|
|
|
|
Description:
|
2010-11-22 23:31:16 +00:00
|
|
|
Period of time (in seconds) for which the condition must be
|
|
|
|
|
met before an event is generated. If direction is not
|
2010-10-08 12:14:12 +01:00
|
|
|
specified then this period applies to both directions.
|
2010-05-04 14:43:05 +01:00
|
|
|
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_mag_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_mag_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_mag_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x_mag_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x_mag_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x_mag_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_y_mag_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_y_mag_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_y_mag_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_z_mag_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_z_mag_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_z_mag_falling_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_rising_en
|
|
|
|
|
What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_falling_en
|
2010-10-08 12:14:12 +01:00
|
|
|
KernelVersion: 2.6.37
|
|
|
|
|
Contact: linux-iio@vger.kernel.org
|
|
|
|
|
Description:
|
2011-09-02 17:14:35 +01:00
|
|
|
Similar to in_accel_x_thresh[_rising|_falling]_en, but here the
|
2010-10-08 12:14:12 +01:00
|
|
|
magnitude of the channel is compared to the threshold, not its
|
|
|
|
|
signed value.
|
2010-05-04 14:43:05 +01:00
|
|
|
|
2011-09-02 17:14:35 +01:00
|
|
|
What: /sys/.../events/in_accel_raw_mag_value
|
|
|
|
|
What: /sys/.../events/in_accel_x_raw_mag_rising_value
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What: /sys/.../events/in_accel_y_raw_mag_rising_value
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What: /sys/.../events/in_accel_z_raw_mag_rising_value
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2010-10-08 12:14:12 +01:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-11-22 23:31:16 +00:00
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The value to which the magnitude of the channel is compared. If
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number or direction is not specified, applies to all channels of
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this type.
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2010-10-08 12:14:12 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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The name of the trigger source being used, as per string given
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2010-11-22 23:31:16 +00:00
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in /sys/class/iio/triggerY/name.
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2010-05-04 14:43:05 +01:00
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/buffer/length
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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Number of scans contained by the buffer.
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/buffer/bytes_per_datum
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2010-08-31 11:32:53 +02:00
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KernelVersion: 2.6.37
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2010-05-04 14:43:05 +01:00
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Contact: linux-iio@vger.kernel.org
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Description:
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Bytes per scan. Due to alignment fun, the scan may be larger
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than implied directly by the scan_element parameters.
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2011-08-30 12:32:49 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/buffer/enable
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2010-05-04 14:43:05 +01:00
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KernelVersion: 2.6.35
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Contact: linux-iio@vger.kernel.org
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Description:
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Actually start the buffer capture up. Will start trigger
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if first device and appropriate.
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2013-06-11 15:52:00 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/scan_elements
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2010-08-31 11:32:53 +02:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-10-08 12:14:12 +01:00
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Directory containing interfaces for elements that will be
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captured for a single triggered sample set in the buffer.
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2010-08-31 11:32:53 +02:00
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2013-06-11 15:52:00 +01:00
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What: /sys/.../iio:deviceX/scan_elements/in_accel_x_en
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What: /sys/.../iio:deviceX/scan_elements/in_accel_y_en
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What: /sys/.../iio:deviceX/scan_elements/in_accel_z_en
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_x_en
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_y_en
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_z_en
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What: /sys/.../iio:deviceX/scan_elements/in_magn_x_en
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What: /sys/.../iio:deviceX/scan_elements/in_magn_y_en
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What: /sys/.../iio:deviceX/scan_elements/in_magn_z_en
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What: /sys/.../iio:deviceX/scan_elements/in_timestamp_en
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_en
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY_en
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY-voltageZ_en
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What: /sys/.../iio:deviceX/scan_elements/in_incli_x_en
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What: /sys/.../iio:deviceX/scan_elements/in_incli_y_en
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What: /sys/.../iio:deviceX/scan_elements/in_pressureY_en
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What: /sys/.../iio:deviceX/scan_elements/in_pressure_en
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2010-08-31 11:32:53 +02:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-09-21 14:41:08 +01:00
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Scan element control for triggered data capture.
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2010-08-31 11:32:53 +02:00
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2013-06-11 15:52:00 +01:00
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What: /sys/.../iio:deviceX/scan_elements/in_accel_type
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_type
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What: /sys/.../iio:deviceX/scan_elements/in_magn_type
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What: /sys/.../iio:deviceX/scan_elements/in_incli_type
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY_type
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What: /sys/.../iio:deviceX/scan_elements/in_voltage_type
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_type
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What: /sys/.../iio:deviceX/scan_elements/in_timestamp_type
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What: /sys/.../iio:deviceX/scan_elements/in_pressureY_type
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What: /sys/.../iio:deviceX/scan_elements/in_pressure_type
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2010-08-31 11:32:53 +02:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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2010-09-21 14:41:08 +01:00
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Description of the scan element data storage within the buffer
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2010-11-22 23:31:16 +00:00
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and hence the form in which it is read from user-space.
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2011-09-21 11:15:51 +01:00
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Form is [be|le]:[s|u]bits/storagebits[>>shift].
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be or le specifies big or little endian. s or u specifies if
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2010-11-22 23:31:16 +00:00
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signed (2's complement) or unsigned. bits is the number of bits
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of data and storagebits is the space (after padding) that it
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occupies in the buffer. shift if specified, is the shift that
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needs to be applied prior to masking out unused bits. Some
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devices put their data in the middle of the transferred elements
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with additional information on both sides. Note that some
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devices will have additional information in the unused bits
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so to get a clean value, the bits value must be used to mask
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the buffer output value appropriately. The storagebits value
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also specifies the data alignment. So s48/64>>2 will be a
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signed 48 bit integer stored in a 64 bit location aligned to
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2012-06-12 15:31:27 +02:00
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a 64 bit boundary. To obtain the clean value, shift right 2
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2010-11-22 23:31:16 +00:00
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and apply a mask to zero the top 16 bits of the result.
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2010-09-21 14:41:08 +01:00
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For other storage combinations this attribute will be extended
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appropriately.
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2013-06-11 15:52:00 +01:00
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What: /sys/.../iio:deviceX/scan_elements/in_accel_type_available
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2010-11-22 23:31:16 +00:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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If the type parameter can take one of a small set of values,
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this attribute lists them.
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2013-06-11 15:52:00 +01:00
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY_index
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What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_index
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What: /sys/.../iio:deviceX/scan_elements/in_accel_x_index
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What: /sys/.../iio:deviceX/scan_elements/in_accel_y_index
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What: /sys/.../iio:deviceX/scan_elements/in_accel_z_index
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_x_index
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_y_index
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What: /sys/.../iio:deviceX/scan_elements/in_anglvel_z_index
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What: /sys/.../iio:deviceX/scan_elements/in_magn_x_index
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What: /sys/.../iio:deviceX/scan_elements/in_magn_y_index
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What: /sys/.../iio:deviceX/scan_elements/in_magn_z_index
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What: /sys/.../iio:deviceX/scan_elements/in_incli_x_index
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What: /sys/.../iio:deviceX/scan_elements/in_incli_y_index
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What: /sys/.../iio:deviceX/scan_elements/in_timestamp_index
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What: /sys/.../iio:deviceX/scan_elements/in_pressureY_index
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What: /sys/.../iio:deviceX/scan_elements/in_pressure_index
|
2010-09-21 14:41:08 +01:00
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KernelVersion: 2.6.37
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Contact: linux-iio@vger.kernel.org
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Description:
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A single positive integer specifying the position of this
|
2010-11-22 23:31:16 +00:00
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scan element in the buffer. Note these are not dependent on
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what is enabled and may not be contiguous. Thus for user-space
|
2010-09-21 14:41:08 +01:00
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to establish the full layout these must be used in conjunction
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with all _en attributes to establish which channels are present,
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and the relevant _type attributes to establish the data storage
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format.
|
2011-04-06 11:42:48 +02:00
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2011-10-05 15:28:00 +01:00
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What: /sys/.../iio:deviceX/in_anglvel_z_quadrature_correction_raw
|
2011-04-06 11:42:48 +02:00
|
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KernelVersion: 2.6.38
|
2011-09-02 17:14:35 +01:00
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Contact: linux-iio@vger.kernel.org
|
2011-04-06 11:42:48 +02:00
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Description:
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This attribute is used to read the amount of quadrature error
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present in the device at a given time.
|
2013-06-23 22:30:00 +01:00
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2013-08-28 12:01:00 +01:00
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What: /sys/.../iio:deviceX/in_accelX_power_mode
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KernelVersion: 3.11
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Contact: linux-iio@vger.kernel.org
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Description:
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Specifies the chip power mode.
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low_noise: reduce noise level from ADC,
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low_power: enable low current consumption.
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For a list of available output power modes read
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in_accel_power_mode_available.
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|
2013-06-23 22:30:00 +01:00
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What: /sys/bus/iio/devices/iio:deviceX/store_eeprom
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KernelVersion: 3.4.0
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Contact: linux-iio@vger.kernel.org
|
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Description:
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Writing '1' stores the current device configuration into
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|
on-chip EEPROM. After power-up or chip reset the device will
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automatically load the saved configuration.
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