Allied Vision Technologies F-131B, Technical Manual, Page: 97 / 183

Controlling image capture
9.3 One-Shot
The camera can record an image by setting the “
OneShot bit
” in the 61Ch register. This bit is
e image with an external trigger edge.
there is no trigger impulse after the camera has been armed, OneShot can be cancelled by
earing the bit.
automatically cleared after the image is captured. If the camera is placed in Iso_Enable mode
(see ISO_Enable / Free-Run), this flag is ignored.
If OneShot mode is combined with the external trigger, the “
OneShot
” command is used to arm
it. The following screenshot shows the sequence of commands needed to put the camera into this
mode. It enables the camera to grab exactly on
If
cl
Figure 57: One_shot control
9.3.1 One-Shot command on the bus to start of exposure
e following sections describe the time response of the camera using a single frame (OneShot)
As se in the IIDC sp ation, this is a software command that causes the
The following values apply only when the camera is idle and ready for use. Full resolution must
OneShot->Microcontroller-Sync: <=250 µs (processing time in the microcontroller)
µC-Sync/ExSync->Integration-Start 8 µs
Microcontroller-Sync is an internal signal. It is generated by the microcontroller to initiate a
This can either be a direct trigger or a release for ExSync if the camera is externally
Th
command.
camera to record and transmit a single frame.
t out ecific
also be set.
trigger.
triggered.
MARLIN Technical Manual
Page 97