936
Keysight InfiniiVision M9241/42/43A PXIe Oscilloscopes SCPI Programmer's Guide
27
:SBUS<n> Commands
:SBUS<n>:USBPd:TRIGger:HEADer
Command Syntax
:SBUS<n>:USBPd:TRIGger:HEADer <type>
<type> ::= {CMESsage | DMESsage | EMESsage | VALue}
When the
Header Content
trigger mode is selected (with the
":SBUS<n>:USBPd:TRIGger HEADer" command), the
:SBUS<n>:USBPd:TRIGger:HEADer command selects the header type:
• CMESsage —
Control Message
, triggers on control message types (0 data object).
When the CMESsage header type is selected, use the
:SBUS<n>:USBPd:TRIGger:HEADer:CMESsage command to select the control
message type.
• DMESsage —
Data Message
, triggers on data message types (1 or more data
objects).
When the DMESsage header type is selected, use the
:SBUS<n>:USBPd:TRIGger:HEADer:DMESsage command to select the data
message type.
• EMESsage —
Extended Message
, triggers on extended message types (bit 15 is
set).
When the EMESsage header type is selected, use the
:SBUS<n>:USBPd:TRIGger:HEADer:EMESsage command to select the
extended message type.
• VALue —
Value
, triggers on a user-defined header value.
When the CMESsage header type is selected, use the
:SBUS<n>:USBPd:TRIGger:HEADer:VALue command to specify the
user-defined header value.
Query Syntax
:SBUS<n>:USBPd:TRIGger:HEADer?
The :SBUS<n>:USBPd:TRIGger:HEADer? query returns the selected header type.
Return Format
<type><NL>
<type> ::= {CMES | DMES | EMES | VAL}
See Also
•
•
•
":SBUS<n>:USBPd:TRIGger:HEADer:CMESsage"
•
":SBUS<n>:USBPd:TRIGger:HEADer:DMESsage"
•
":SBUS<n>:USBPd:TRIGger:HEADer:EMESsage"
•