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First Light C-RED 3 - Anti-Blooming; Camera Tuning; Camera Capabilities

First Light C-RED 3
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51
It is possible to increase the integration time granularity to the max possible value using
the command ‘set tintgranularity off’.
Then, the granularity will be only 1 pixel clock.
For comparison, in full frame with tintgranularity on, it is ~50 pixels clocks.
From firmware 1.3.0, the integration step can be read using the tintstep command.
Anti-blooming
The anti-blooming feature is activated by default.
The anti-blooming feature ensures that bad pixels do not disturb their neighbors.
However, when enabled, the saturation occurs earlier, and a kind of grey speckling can be seen instead
of white saturation.
For low light, it is advised to leave the anti-blooming on, but to disable it for strong light.
It is possible to disable the anti-blooming feature using the command:
‘set snake blm_en 0’
Camera tuning
Firmware 1.1.0 allows to tune the camera configuration according to the kind of application.
Three profiles are defined:
General use, which corresponds to the behavior of previous firmware releases. This profile can be
selected using the command “set tuning general_use”
Short exposures: optimized for short exposure durations (mandatory for integration periods below 10
µs). This profile can be selected using the command “set tuning short_exposure”
These tunings allow to obtain the maximum camera performances for these different use cases.
Camera capabilities
Firmware 1.1.0 introduces two commands to get details about camera hardware and software
capabilities. This information can be used to handle the different variants of the camera.
The command “hwfeatures” returns a combination (binary “or”) of the following bits:
#define HW_FEATURES_INTERFACE_CL 0x0001
#define HW_FEATURES_INTERFACE_USB 0x0002
#define HW_FEATURES_INTERFACE_CL_BASE 0x0100
#define HW_FEATURES_INTERFACE_CL_FULL 0x0200
#define HW_FEATURES_INTERFACE_CL_CC 0x0400
Bit value
Meaning
HW_FEATURES_INTERFACE_CL
Camera can be operated via Camera Link
HW_FEATURES_INTERFACE_CL_FULL
The camera supports Camera Link Full
configuration

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