Pike Technical Manual
V5.2.0
183
Description of the data path
The exact sequence is:
Block-write (this needs to be a functionality of the underlying software stack
(e.g.
FirePackage
). It may not be available for third party IIDC software stacks.)
of list to advanced feature address
Camera timing behavior is like this:
Standard Update (IIDC)
In the
Standard Update (IIDC)
mode single parameter are sent to the camera.
•
Standard Update (IIDC)
shows same behavior as Marlin
•
Parameter will be sent from host to camera and will be activated as soon as
possible without interruption of the transfer
•
If the host updates more than one parameter (without block write) the
parameters may become active in different images
•
Standard Update (IIDC)
can be combined with the new parameter update
timing modes
Camera timing behavior is like this:
Fast Parameter Update Timing
Quick Format Change Mode (QFCM)
After block write command is processed in the cam-
era all changed parameters are valid for the avail-
able next image. Frame rate is constant.
After transfer of the parameter list via block write a
current transfer will be finished. A started exposure
will be interrupted until the microcontroller has
processed the list and copied it into the FPGA.
Exposure of the next image with new parameters is
started.
There may be a gap between two images.
Table 57:
Parameter-List Update
: comparison of standard timing and
QFCM
Fast Parameter Update Timing
Quick Format Change Mode (QFCM)
After sending a new parameter value, the changed
parameter value is valid for the available next
image. Frame rate is constant.
After sending a new parameter value, the changed
parameter value is valid for the available next
image.
A running exposure will be interrupted and the
image is dropped.
There may be a gap between two consecutive image
transfers.
Table 58:
Standard Update (IIDC)
: comparison of
Standard Format Change Mode
and
QFCM
