43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
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Where: /sys/bus/usb/.../powered
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Date: August 2008
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Kernel Version: 2.6.26
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Contact: Harrison Metzger <harrisonmetz@gmail.com>
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Description: Controls whether the device's display will powered.
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A value of 0 is off and a non-zero value is on.
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Where: /sys/bus/usb/.../mode_msb
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Where: /sys/bus/usb/.../mode_lsb
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Date: August 2008
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Kernel Version: 2.6.26
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Contact: Harrison Metzger <harrisonmetz@gmail.com>
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Description: Controls the devices display mode.
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For a 6 character display the values are
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MSB 0x06; LSB 0x3F, and
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for an 8 character display the values are
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MSB 0x08; LSB 0xFF.
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Where: /sys/bus/usb/.../textmode
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Date: August 2008
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Kernel Version: 2.6.26
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Contact: Harrison Metzger <harrisonmetz@gmail.com>
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Description: Controls the way the device interprets its text buffer.
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raw: each character controls its segment manually
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hex: each character is between 0-15
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ascii: each character is between '0'-'9' and 'A'-'F'.
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Where: /sys/bus/usb/.../text
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Date: August 2008
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Kernel Version: 2.6.26
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Contact: Harrison Metzger <harrisonmetz@gmail.com>
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Description: The text (or data) for the device to display
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Where: /sys/bus/usb/.../decimals
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Date: August 2008
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Kernel Version: 2.6.26
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Contact: Harrison Metzger <harrisonmetz@gmail.com>
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Description: Controls the decimal places on the device.
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To set the nth decimal place, give this field
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the value of 10 ** n. Assume this field has
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the value k and has 1 or more decimal places set,
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to set the mth place (where m is not already set),
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change this fields value to k + 10 ** m.
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