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Talking to the Instrument
In general, computers acting as controllers communicate with the
instrument by sending and receiving messages over a remote
interface, such as GPIB or RS-232-C. Instructions for programming
the Agilent Technologies 1670G-series logic analyzer will normally
appear as ASCII character strings embedded inside the output
statements of a "host" language available on your controller. The host
language’s input statements are used to read in responses from the
Agilent Technologies 1670G-series logic analyzer.
For example, HP 9000 Series 200/300 BASIC (Y2K updates for
currently supported versions of HP BASIC can be found at
http://hp.iwcon.com/tm-y2k/cgi-bin/tm_search.pl) uses the OUTPUT
statement for sending commands and queries to the Agilent
Technologies 1670G-series logic analyzer. After a query is sent, the
response can be read in using the ENTER statement. All
programming examples in this manual are presented in HP BASIC.
Example This BASIC statement sends a command that causes the logic analyzer’s
machine 1 to be a state analyzer:
OUTPUT XXX;":MACHINE1:TYPE STATE" <terminator>
Each part of the above statement is explained in this section.
1–3