RFspace NetSDR Manual do Utilizador descarregar pdf (Página 7)

2. Basic Protocol Concepts

2.1. Definitions used in this specification

In the case of the NetSDR, the host is the PC and the Target device is the NetSDR hardware.

Host == The main initiator of communications. Typically would be a PC or other computer system such as a custom

user interface controller.

Target == The device that is to be controlled or monitored by the Host in this case the NetSDR.

Control Item == The value, setting, or state of the target that is to be controlled or monitored by the Host. For

example Frequency, Sample Rate, Attenuation, Receiver state, etc.

Control Item

(Frequency)

Control Item

(PTT State)

Control Item

(Sideband

mode)

Control Item

(IF

FilterShape)

Target

Control

Application

Program

Host

Data Item == Digital data associated with the received signal or other digital data such as firmware update.

Message Block == A contiguous block of bytes comprising a single Control Item or Data Item transfer from target to

host or host to target.

Rev. 1.03 2011-11-01

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RFspace NetSDR Manual do Utilizador Página 7