Basler A640F, Руководство пользователя, Страница: 92 / 188

Configuring the Camera
4-28
BASLER A640
f
DRAFT
4.4.2.2 Control and Status Registers for Features
Register Name: Brightness
Offset from Base Address: 0x800
Field Bit Description
Presence Inq 0 Indicates the presence of the brightness control feature.
The value will be 1 on all A640f cameras, indicating that brightness
control is available.
This field is read only.
Abs Control 1 Determines whether the brightness will be controlled by the Value field
of this register or by the Absolute Value CSR for brightness.
The value will be 0, indicating that brightness can only be controlled by
the Value field of this register. Absolute value control is not available
on A640f cameras.
This field is read only.
--- 2 ... 4 Reserved
One Push 5 Sets “One Push” operation.
The value will be 0, indicating that one push is not in operation. One
push operation is not available on A640f cameras.
This field is read only.
On / Off 6 Sets whether brightness control is on or off.
The value will be 1, indicating that brightness control is on. The bright-
ness control feature can’t be switched off on A640f cameras.
This field is read only.
A / M Mode 7 Sets whether the camera is in automatic or manual brightness control
mode.
The value will be 0, indicating that brightness control is in manual
mode. Automatic brightness control is not available on A640f cameras.
This field is read only.
--- 8 ... 19 Reserved
Value 20 ... 31 Sets the brightness. The brightness value can range from 0 to 255.
Default = 16 on all A640f cameras
With a camera set for mono 8, raw 8, or YUV 4:2:2, an increase of 16
in the brightness setting will result in a positive offset of 1 in the digital
values output for the pixels.
With a camera set for mono 16 or raw 16, an increase of 1 in the bright-
ness setting will result in a positive offset of 1 in the digital values out-
put for the pixels.