Data Translation DT3152-LS, User Manual

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Programming Flowcharts
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Set the Standard Controls for the Input Source
Set the hardware filter with
OlFgSetInputControlValue.
Use the key OLC_FG_CTL_INPUT_FILTER. The
default is AC none.
Set the video type with
OlFgSetInputControlValue.
For area-scan mode, use the key
OLC_FG_CTL_VIDEO_TYPE to select a composite
or variable-scan video input; the default is composite.
For line-scan mode, the video type is always
variable-scan.
Using
variable-scan
input?
Yes
No
Set the properties of the input signal with
OlFgSetInputControlValue.
Use the key OLC_FG_CTL_VARSCAN_FLAGS to
select line (line-scan and area-scan) or frame
(area-scan only) sync transitions.
Go to the next page.
Set the input sync source with
OlFgSetInputControlValue.
For area-scan mode, use the key
OLC_FG_CTL_CSYNC_SOURCE to
select the input channel providing the
sync. This is not used for line-scan mode.
Set the input sync threshold with
OlFgSetInputControlValue.
For area-scan mode, use the key
OLC_FG_CTL_CSYNC_THRESH to set
the sync threshold to either 50, 75, 100, or
125 mV. The default is 125 mV. This is not
used for line-scan mode.