What: /sys/bus/hid/drivers/wiimote/<dev>/led1
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What: /sys/bus/hid/drivers/wiimote/<dev>/led2
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What: /sys/bus/hid/drivers/wiimote/<dev>/led3
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What: /sys/bus/hid/drivers/wiimote/<dev>/led4
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Date: July 2011
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KernelVersion: 3.1
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Contact: David Herrmann <dh.herrmann@googlemail.com>
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Description: Make it possible to set/get current led state. Reading from it
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returns 0 if led is off and 1 if it is on. Writing 0 to it
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disables the led, writing 1 enables it.
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What: /sys/bus/hid/drivers/wiimote/<dev>/extension
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Date: August 2011
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KernelVersion: 3.2
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Contact: David Herrmann <dh.herrmann@gmail.com>
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Description: This file contains the currently connected and initialized
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extensions. It can be one of: none, motionp, nunchuck, classic,
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motionp+nunchuck, motionp+classic
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motionp is the official Nintendo Motion+ extension, nunchuck is
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the official Nintendo Nunchuck extension and classic is the
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Nintendo Classic Controller extension. The motionp extension can
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be combined with the other two.
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Starting with kernel-version 3.11 Motion Plus hotplugging is
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supported and if detected, it's no longer reported as static
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extension. You will get uevent notifications for the motion-plus
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device then.
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What: /sys/bus/hid/drivers/wiimote/<dev>/devtype
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Date: May 2013
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KernelVersion: 3.11
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Contact: David Herrmann <dh.herrmann@gmail.com>
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Description: While a device is initialized by the wiimote driver, we perform
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a device detection and signal a "change" uevent after it is
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done. This file shows the detected device type. "pending" means
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that the detection is still ongoing, "unknown" means, that the
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device couldn't be detected or loaded. "generic" means, that the
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device couldn't be detected but supports basic Wii Remote
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features and can be used.
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Other strings for each device-type are available and may be
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added if new device-specific detections are added.
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Currently supported are:
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============= =======================================
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gen10: First Wii Remote generation
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gen20: Second Wii Remote Plus generation
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(builtin MP)
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balanceboard: Wii Balance Board
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============= =======================================
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What: /sys/bus/hid/drivers/wiimote/<dev>/bboard_calib
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Date: May 2013
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KernelVersion: 3.11
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Contact: David Herrmann <dh.herrmann@gmail.com>
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Description: This attribute is only provided if the device was detected as a
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balance board. It provides a single line with 3 calibration
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values for all 4 sensors. The values are separated by colons and
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are each 2 bytes long (encoded as 4 digit hexadecimal value).
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First, 0kg values for all 4 sensors are written, followed by the
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17kg values for all 4 sensors and last the 34kg values for all 4
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sensors.
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Calibration data is already applied by the kernel to all input
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values but may be used by user-space to perform other
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transformations.
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What: /sys/bus/hid/drivers/wiimote/<dev>/pro_calib
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Date: October 2013
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KernelVersion: 3.13
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Contact: David Herrmann <dh.herrmann@gmail.com>
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Description: This attribute is only provided if the device was detected as a
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pro-controller. It provides a single line with 4 calibration
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values for all 4 analog sticks. Format is: "x1:y1 x2:y2". Data
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is prefixed with a +/-. Each value is a signed 16bit number.
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Data is encoded as decimal numbers and specifies the offsets of
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the analog sticks of the pro-controller.
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Calibration data is already applied by the kernel to all input
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values but may be used by user-space to perform other
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transformations.
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Calibration data is detected by the kernel during device setup.
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You can write "scan\n" into this file to re-trigger calibration.
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You can also write data directly in the form "x1:y1 x2:y2" to
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set the calibration values manually.
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