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Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

devi-tahoe

Tahoe input manager for Photon

Syntax:

devi-tahoe  [general_opts]
            protocol* [protocol_opts]*
            device* [device_opts]*
            filter* [filter_opts]*

Options:


Note: When you use a devi- * driver, you need a calibration file. The calibration file is generated from the output produced by the calib utility:
calib > calib_file.txt

For more information, see the calib utility in the Utilities Reference, and Touchscreens in the Neutrino User's Guide.


General options:

-b
Prevent the use of the Ctrl-Alt-Shift-Backspace keychord to exit Photon (permitted by default).
-d device
Device (default: /dev/photon or $PHOTON).
-g input_group
Input group (default: 1).
-l
List the internal modules. Modules are listed in the following format where class is one of: D -- Device, P -- Protocol, or F -- Filter:
module name | date last compiled | revision | class
-P
Disable the Photon interface (interface started by default.)
-r
Start the resource manager interface. Use this option only if you're not using Photon.
-v[v]...
Verbose output. More v characters cause more verbosity.

The protocol and protocol_opts are:

ps2 sh4 [sh4_opts]  
kbd [kbd_opts] sh4kbd [sh4kbd_opts]

The protocol modules and their options are:

kbd [options]
Keyboard scan codes (connected to primary keyboard).

Options:

-k rate[,delay]
Keyboard rate (Hz) /delay(ms) (default 40Hz, 1000ms)
Note: This option works only in conjunction with the Kb device module.

-R
Don't reset the device while doing a protocol reset.
-r
Reset the device while doing a protocol reset.
-s
Device driver should supply valid symbols.

The device modules and their options are:

The filter modules and their options are:

Description:

The devi-tahoe command starts the Tahoe input manager for Photon.

Examples:

Typical command line to start the keyboard and PS/2 mouse:

devi-tahoe ps2 sh4 kbd sh4kbd

See also:

inputtrap

Input drivers (devi-*) in the Utilities Summary


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