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46 lines
1.5 KiB
46 lines
1.5 KiB
What: /sys/bus/usb/.../powered |
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Date: August 2008 |
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KernelVersion: 2.6.26 |
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Contact: Harrison Metzger <[email protected]> |
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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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What: /sys/bus/usb/.../mode_msb |
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What: /sys/bus/usb/.../mode_lsb |
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Date: August 2008 |
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KernelVersion: 2.6.26 |
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Contact: Harrison Metzger <[email protected]> |
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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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What: /sys/bus/usb/.../textmode |
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Date: August 2008 |
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KernelVersion: 2.6.26 |
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Contact: Harrison Metzger <[email protected]> |
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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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What: /sys/bus/usb/.../text |
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Date: August 2008 |
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KernelVersion: 2.6.26 |
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Contact: Harrison Metzger <[email protected]> |
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Description: The text (or data) for the device to display |
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What: /sys/bus/usb/.../decimals |
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Date: August 2008 |
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KernelVersion: 2.6.26 |
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Contact: Harrison Metzger <[email protected]> |
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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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