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The graPHIGS Programming Interface : Subroutine Reference
GPVLMO - Set Valuator Mode
| GPVLMO
(wsid,
device,
mode,
echosw) |
Purpose
Use
GPVLMO
to set the operating mode of the specified valuator device.
After the valuator mode is set, its echoing state is set
to
1=NOECHO
or
2=ECHO
based on the
echosw parameter.
Depending on the specified
operating mode,
1=REQUEST, 2=SAMPLE
or
3=EVENT
,
an interaction within the given device may begin or
end.
Note:
The input device is reset with the initialization values when the
GPVLMO subroutine is called with
mode parameters set to
SAMPLE or EVENT.
Parameters
wsid -- specified by user, fullword integer
Workstation identifier.
device -- specified by user, fullword integer
Valuator device number (>=1)
mode -- specified by user, fullword integer
Operating mode
(1=REQUEST, 2=SAMPLE, 3=EVENT
)
echosw -- specified by user, fullword integer
Echo switch
(1=NOECHO, 2=ECHO
)
Error Codes
- 25
- SPECIFIED WORKSTATION DOES NOT EXIST
- 140
- DEVICE NUMBER < ONE OR DEVICE NOT AVAILABLE
- 168
- INPUT DEVICE IS CURRENTLY OWNED BY ANOTHER CONNECTION
- 326
- OPERATING MODE IS INVALID
- 327
- ECHO SWITCH VALUE IS INVALID
Related Subroutines
- GPQLI
- Inquire List of Logical Input Devices
RCP code
201335811
(X'0C002403')
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