Matrix Orbital GTT70A User Manual

Page 36

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Command Summary

32

10.7 Reset a Trace
Value

Dec
Hex
ASCII

254 109

FE 6D

þ m

Index
Index
Index

2.1

Clear all data from a specified trace, and erase the trace area. As a result, the next Update Trace command
behaves as though it is the very first update after initialization.

Index

Byte

Index used to identify the desired trace. Specific to Traces.

10.8 Reset Multiple
Trace Values

Dec
Hex
ASCII

254 110

FE 6E

þ n

Index Number
Index Number
Index Number

2.1

Clear all data from multiple specified traces, and erase the trace areas. As a result, the next update trace
commands behave as though they are the very first updates after initialization.

Index

Byte

Index used to identify the first desired trace. Specific to Traces.

Number

Byte

Number of trace entries to be reset.

10.9 List All
Traces

Dec
Hex
ASCII

254 115

FE 73

þ s



2.1

Read a list of all traces. One entry is provided for each trace, an entry consists of the trace Index and a Value.

Return Message

252 115 Length

ID Value

Index

Byte

Trace index number. One for each entry. 0 signifies an undefined entry.

Value

Signed Short

Current value of the trace. One for each entry.

10.10 Initialize a
Trace

Dec
Hex
ASCII

254 116

FE 74

þ t

Index X Y Width Height Min Max Step Style Red Green Blue
Index X Y Width Height Min Max Step Style Red Green Blue
Index X Y Width Height Min Max Step Style Red Green Blue

2.1

Initialize a graph trace for later implementation. Traces defined in the same area with the same step and style can
be updated simultaneously, as a multi-variable graph, using the Update Multiple Traces command. Individual
traces can be updated using the Update a Trace command.

Index

Byte

Index used to identify the desired trace. Specific to Traces.

X

Signed Short

Leftmost coordinate of the trace region.

Y

Signed Short

Topmost coordinate of the trace region.

Width

Signed Short

Width of the trace region.

Height

Signed Short

Height of the trace region.

Min

Signed Short

Value displayed at the lowest point of the trace.

Max

Signed Short

Value displayed at the highest point of the trace.

Step

Byte

Number of pixels shifted when a trace is updated.

Style

Byte

Orientation and Direction of the trace, as per eTraceTypeandDirection values.
A style is created by summing values of individual attributes. For example, a
Line with a Bottom Left origin, Shifting right has a Style value of 129.

Red

Byte

Intensity of red for trace colour, 0 to 255, limited to display metrics.

Green

Byte

Intensity of green for trace colour, 0 to 255, limited to display metrics.

Blue

Byte

Intensity of blue for trace colour, 0 to 255, limited to display metrics.

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