Chetco Digital Instruments SeaSmart.Net, Руководство пользователя, Страница: 50 / 59

SeaSmart.Net Adapter Manual Version1.3
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The SeaSmart.xml contains ConfigGroups to define operational parameters
•
Device – Device name and version information
•
Tunnel Connect – describes which port and protocol to use when clients initiate connections to
SeaSmart adapters
•
Tunnel Accept – describes ports and protocols SeaSmart adapters will use to initiate connections to
clients
•
Tunnel Packing – describes how data is packed before being sent in response to HTTP client
requests.
The Device Config Group contains both log and short device names. The Long name also contains the
device and firmware revision number. The Serial number firmware version are unique to the device and
cannot be altered.
The Tunnel Connect Config Group contains the following Config Items
•
Connect Mode – This value is always set to DISABLE to allow the SeaSmart adapter to override
the native protocol translator and utilize the $PCDIN protocol
•
Host – Defines the IP address, Port Number and Protocol to use when initiating connections to
remote clients. Normally used for HTTP Posting to remote Web Servers and UDP broadcasts. If
the IPaddress is empty or Port number set to NONE – Host connections are disabled.
The Tunnel Accept Config Group contains the following Config Items
•
Accept Mode - This value is always set to DISABLE to allow the SeaSmart adapter to override the
native protocol translator and utilize the $PCDIN protocol.
•
Local Port – the port number clients use to connect to SeaSmart adapters. Possible port numbers
are:
o 10001 – Protocol Translation of RAW NMEA 2000 binary data to the $PCDIN protocol
o
10002 – Pass-through of the unprocessed RAW NMEA 2000 binary data
•
Protocol – Defines TCP or UDP protocol.
The Tunnel Packing Config Group contains parameters to control how data is retrieved using HTTP Get
Requests (GETNMEAData)
•
Packing Mode – determines if data is packed before transmission in response to a HTTP GET or
if the buffer is cleared after each request.
o Disabled – All accumulated data since the last GET is passed on and the internal buffer
cleared. If a GET request is not issued before the internal buffer is filled, data is FIFO and
the oldest data discarded. The Internal FIFO buffer is 64K Bytes. If a GET request is made
before the buffer fills, then all new data since the last request is returned and the buffer
cleared.
o
Timeout – specifies to use a Timeout or Threshold value to determine how much data to
return in response to a HTTP GET request. Data is returned and the internal buffer is not
cleared until the Timeout or Threshold criteria are met. This is used to allow multiple HTTP
clients to request the same data set.