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Sending Queries to the Logic Analysis System
This program example contains the steps required to send a query to the
logic analysis system. Sending the query alone only puts the requested
information in an output buffer of the logic analysis system. You must follow
the query with an ENTER statement to transfer the query response to the
controller. When the query response is sent to the logic analysis system, the
query is properly terminated in the logic analyzer. If you send the query but
fail to send an ENTER statement, the logic analysis system will display the
error message "Query Interrupted" when it receives the next command from
the controller and the query response is lost.
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!************************ QUERY EXAMPLE ***********************
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!
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!
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! ************************ OPTIONAL ***************************
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! The following two lines turn the headers and longform on so
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! that the query name, in its long form, is included in the
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! query response.
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!
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!
************** NOTE ****************
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!
If your query response includes real
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!
or integer numbers that you may want
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!
to do statistics or math on later, you
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!
should turn both header and longform
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!
off so only the number is returned.
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!
*************************************
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!
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OUTPUT 707;":SYSTEM:HEADER ON"
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OUTPUT 707;":SYSTEM:LONGFORM ON"
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!
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! *************************************************************
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! Select the mainframe.
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! Always a 0 for the HP 16500C/16501A mainframe.
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OUTPUT 707;":SELECT 0"
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!
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! ****************************************************************
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! Dimension a string in which the query response will be entered.
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!
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DIM Query$[100]
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!
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! ****************************************************************
for the HP 16500C/16501A Logic analysis system
Programming Examples
Sending Queries to the Logic Analysis System
15–7
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