Checking The State Of The I/O Lines; Checking The State Of The Output Line; Checking The State Of All Lines - Basler GIGE VISION ace acA640-100gm/gc Manual

I/O Control
9.3
9.3.1
You can determine the current state of the output line. To check the state of the output line:
Use the Line Selector parameter to select output line 1.
Read the value of the Line Status parameter to determine the current state of the line. A value
of true means the line's state is currently high and a value of false means the line's state is
currently low.
You can set the Line Selector and read the Line Status parameter value from within your application
software by using the pylon API. The following code snippet illustrates using the API to set the
selector and read the parameter value:
// Select output line 1 and read the state
Camera.LineSelector.SetValue( LineSelector_Out1 );
bool outputLine1State = Camera.LineStatus.GetValue( );
For detailed information about using the pylon API, refer to the Basler pylon Programmer's Guide
and API Reference.
You can also use the Basler pylon Viewer application to easily set the parameters.
For more information about the pylon Viewer, see Section 3.1 on
9.3.2
You can determine the current state of the input line and the output line with a single operation. To
check the state of both lines:
Read the value of the Line Status All parameter.
You can read the Line Status All parameter value from within your application software by using the
pylon API. The following code snippet illustrates using the API to read the parameter value:
int64_t lineState = Camera.LineStatusAll.GetValue( );
The Line Status All parameter is a 32 bit value. As shown in Figure 50, certain bits in the value are
associated with each line and the bits will indicate the state of the lines. If a bit is 0, it indicates that
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Checking the State of the I/O Lines

Checking the State of the Output Line

Checking the State of All Lines

page 19.
Basler ace