GPIB Devices
gpib device devices include:
spec works with a variety of GPIB controllers. (In addition, the
Kinetic Systems 3388 CAMAC-to-GPIB controller is available.) Up to four
GPIB controllers can be configured simultaneously.
On platforms that implement the System V interprocess communications (IPC)
semaphore and shared-memory system calls, more than one spec process
can share a single GPIB controller. For those systems, each spec must
have the shared version of the GPIB controller selected. In the
config file, a _L is appended to the module key
word to indicate the shared version. If multiple GPIB controllers are
configured, the controller unit number of the shared controller must
be the same in each version of spec .
spec uses the GPIB controllers at board (as opposed to device)
level, which makes it unlikely that other programs can use a GPIB
controller while spec is using it.
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