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