Data Translation DT3152-LS, User Manual

Page: 132 / 214

Chapter 4
116
Set the Standard Controls for the Input Source (cont).
Continued from previous page.
For area-scan mode only, use the key
OLC_FG_CTL_HOR_FRAME_INC to set the
horizontal scale factor. The default is 1. This is not
supported for line-scan mode.
Set the horizontal frame increment
with OlFgSetInputControlValue.
For area-scan mode only, use the key
OLC_FG_CTL_VER_FRAME_INC to set the
vertical scale factor. The default is 1. This is not
supported for line-scan mode.
Set the vertical frame increment
with OlFgSetInputControlValue.
Set the clock source with
OlFgSetInputControlValue.
Set the clock frequency with
OlFgSetInputControlValue.
Use the key OLC_FG_CTL_CLOCK_SOURCE to set
the pixel clock to internal or external. The default is
internal. For line-scan applications, if you want to use
the master clock input signals to clock the board,
specify external.
Use the key OLC_FG_CTL_CLOCK_FREQ to set the
frequency of the internal clock source or the frequency
of the master clock output pulse if you are using
line-scan mode and specified an external clock
source. For area-scan mode, the default frequency is
12,500,000 Hz for 60 Hz and 15,000,000 Hz for 5 0Hz.
For line-scan mode, the default frequency is
1,000,000 Hz.