StreamCaster MIMO Radio User Manual 3/17/15
10017C000 Silvus Technologies Confidential Page
7. Streaming Response
Some users may be interested in streaming specific information from the radio e.g. rssi, noise
floor, temperature, etc. After enabling the response they need using the above commands, the
radio will transmit the desired information in the form of UDP packets to a specific IP address
and port. The format of each report message will be in the type-length-value format as shown
below:
TYPE LENGTH VALUE TYPE LENGTH VALUE …
TYPE and LENGTH will be 16-bit unsigned integers in network-endian format.
TYPE indicates the kind of information being transmitted. Pre-defined types are listed
later in this document.
LENGTH indicates the length of the VALUE field in bytes, including the terminating
null byte.
VALUE will be ASCII-encoded text terminated with a null byte ('\0').
A single report will comprise of a set of type-length-value fields beginning with a
“begin” report type. It will have a type which is specific to the type of report being
generated, length of 1 byte and a value of an empty string (“”). Note the empty string is
still null terminated.
Each report will end with an end of report which has type 1 (type = end of report, length
= 1, value = "").
The empty string listed above has a NULL character and has length 1. Any length
number in the streaming report includes the NULL character
A UDP packet may contain more than one report.
The UDP packets have a maximum size of 1400 bytes.
7.1 RSSI and Noise Floor Reporting
The type/length/value for RSSI and noise floor reporting are listed in the following table:
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