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E5805A USB/RS232 Interface
E5805A USB/RS232 Interface 9
Port Flags - Configure performance options and special
functionality on a per-port basis.
•Remap Baud: Setting the baud rate to 1200 baud will result
in 230400 baud
•Fast Reads:
This flag is used when an application requires a read to
complete immediately. In the read immediate case, the
E5805A USB/RS232 Interface driver sends a request to the
device asking for any buffered data to be sent. This buffered
data will be included when the read completes. If this flag is
set, the driver does not query the device for additional data.
•Fast Writes: When an application sends a write to the driver,
by default the E5805A USB/RS232 Interface driver waits
until all data has been transmitted out of the device before
completing the write. When the Fast Writes flag is set, the
write is completed even if data is still buffered in the driver
and the device.
•Ignore Tx Purge: The IOCTL_SERIAL_PURGE request
cancels the specified requests and deletes data from the
specified buffers. The purge request can be used to cancel all
read requests, all write requests, and to delete all data from
the read and write buffers.