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Osprey-300 User’s Guide
Although you can enter any pin number, you
will probably want to provide the next unused
instance number in sequence – for example,
if you already have Capture Pins 0 and 1
defined, the next capture pin should be 2.
When applications are opened (or multiple pins
are started in a single application), they will
each take on the next available sequential pin
number 0, 1, 2… – regardless of whether you
have provided a numbered definition for that
pin. If the driver doesn’t find in the registry
a specification for a new pin it is creating, it
will create the pin with default settings. It will
also create a new pin definition in the registry
initialized to that data. Thus, if you explicitly
define capture pins 0, 1, and 3 - but not 2
– a default definition for pin 2 will soon appear
anyway, as soon as an application creates a
capture pin 2.
If you try to define a new pin for which a
specification already exists, the new definition
will be ignored, and the existing data will not be
altered.
When you click OK to exit this dialog, the data for
the pin that was selected before you entered the
Add Pin dialog will apply to the new pin definition.
If you click the GetData button (see below)
before any data has been saved for the new pin,
you will get the driver’s defaults for this pin.
The new pin definition is not actually saved in the
registry until you click Apply or OK.
Deleting a Pin Specifi cation (“Delete”)
Use the drop box to select the pin specification
you want to delete, and click Delete. The data for
this pin specification will be removed from the
registry.
As noted above, however, if you delete a pin
specification – let’s say, Capture Pin 1 – and then
start an application that has two capture pins
and will therefore be looking for the Capture Pin
1 data, the driver will recreate the registry data
with default values. The main purpose of Delete
therefore is to get rid of high-numbered pin
specs that you do not expect ever to use.