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FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldserver.com
Appendix C. Driver Notes
Appendix C.1. Driver Stats
The driver reports statistics according to the FieldServer standards. The following notes
describe some aspects of standard statistic reporting which are peculiar to this driver.
All errors responses from the Carrier DataLink device are recorded as a PROCOL ERROR,
In addition to the standard FieldServer communication statistics described above and in the
FieldServer User’s Manual, this driver can also expose some driver statistics by writing data
to a data array. A special Map Descriptor is required. The driver recognizes the Map
Descriptor by its name which must be "Carrier-stats”.
The following example shows how this special Map Descriptor can be configured. You can
copy this section of text directly into your CSV file.
Nodes
Node_Name , Station , Protocol
Carr_stats , 1 , CarrierDL
Data_Arrays
Data_Array_Name , Data_Format, Data_Array_Length
DA_CARRIER_STATS , UINT32 , 2000
Map_Descriptors
Map_Descriptor_Name, Data_Array_Name , Data_Array_Offset Function
Node_Name , Length
Carrier-Stats, DA_CARRIER_STATS
0, passive, Carr_stats, 500
When the driver sees this Map Descriptor it uses the data array
DA_CARRIER_STATS
(in this
example) to store driver specific statistics. Only one of these Map Descriptors may be
specified per FieldServer.
The driver stores the following data. The location in the data array is obtained by
multiplying the port number by 50 and then using the location offset indicated in the table
below.