e2v ELiiXA UC4, User Manual

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ELiiXA® UC8/UC4
40
Eliixa_Color–revF 04/11
e2v semiconductors SAS 2011
•
Auto White Balance Activation: Activate the White balance . This command is available in the CommCam
“Color Management” section :
Ö
Read function : “ r wben ” : Returns the White balance Status (0 if disabled, 1 if enabled)
Ö
Write function :
ƒ
“ w wben 1 ”: Enable the white Balance : The Color Gains are now activated.
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“ w wben 0 ” : Disable the white Balance
• Auto White Balance Calibration
:
Launch the Auto WB calculation process . This command is available in
the CommCam “Color Management” section :
Ö
Read function : “ r sawb ” : Returns the Auto White balance process Status (0 if off, 1 if
active)
Ö
Write function :
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“ w sawb 1 ” : Launch the Auto white Balance calibration process.
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“ w sawb 0 ” : Abort the Auto white Balance calibration process. No effect if already
stopped.
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Manual White Balance
:
Access to the RGB +Mono or Nir Gains . These commands are available in the
CommCam “Color Management” section :
o
White Balance Red Gain
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Read function : “ r wbar <val> ” : Returns the White balance Red Gain value.
Ö
Write function : “ w wbar <val> ” : Sets the White balance Red Gain value.
<val> is a Q13.10 unsigned value (from 0 to 7,999…).
The Red Gain is calculated and displayed as follow : WBr = 1 + <val>
o
White Balance Green Gain
Ö
Read function : “ r wbag <val> ” : Returns the White balance Green Gain value.
Ö
Write function : “ w wbag <val> ” : Sets the White balance Green Gain value.
<val> is a Q13.10 unsigned value (from 0 to 7,999…).
The Green Gain is calculated and displayed as follow : WBg = 1 + <val>