SW Studio Quick Reference

ST table and diagram

Abbreviations used:

• state transition table = ST table
• state transition diagram = ST diagram
• state machine system diagram = SMS diagram

Operation	In the ST table What to do	In the ST diagram What to do	Remarks
Open ST diagram	Command - File/Open (CTRL/O)	. Icon: “Project VFSM files”
Select state	Move cursor to a state field	Click on the state in the ST diagram.
Select transition	Move cursor to a state field or a transition condition field	Click on the transition arrow in the ST diagram.	Double click on the transition arrow opens the ST table, with the cursor in the transition condition field
Add new state	Commands: - Edit/Insert expression - Edit/Append expression	Click on any point in the STdiagram, It opens the state name dictionary. After defining the state name and OK the state appears on the ST diagram and the ST table opens. Icon: “Insert new state”
Delete state	Command - Edit/Delete expression	Select state. Command State/Delete. Delete or Back key. Icon: “Delete state”	A deleted state stays in the State Name Dictionary and may be still used. Ultimate deletion is done in the State Name Dictionary.
Add new transition	Commands: - Edit/Insert expression - Edit/Append expression	Click the right mouse over the state in the ST diagram and drag the appearing arrow to another state. The ST table opens to specify the state transition condition. The transition is appended after the last existing transition.	Click the right mouse over the state to create a transition to the same state. Details can be filled in later if you prefer. Note order of transitions defines priority.
Delete transition	Command - Edit/Delete expression	Select transition. Delete or Back key
Open ST table	Already open in this mode	Double click on state in the diagram	CTRL/double click on state opens a new ST table window.
Open next ST transition table		CTRL + double click on state in the diagram	Up to 4 ST tables can be open at the same time
Display state information	Entire information is contained in the displayed ST table	Position the cursor over the state name, transition arc, action symbol (E: X: I:)
Move state		Click on the state and drag it to the new position
Scroll ST diagram		Use arrow keys or a mouse scrolling wheel
Scroll ST diagram on the print page		Use SHIFT + arrow keys or SHIFT + a mouse scrolling wheel	Use Print setup to display the page boundaries.
Zoom ST diagram		Use + / - keys of the numerical pad or CTRL + mouse scrolling wheel Icon: “Zoom to all states”	to fit the window size
Default size of the ST diagram	SPACE

SMS diagram

Operation	In the SMS diagram What to do	Remarks
Open SMS diagram	. Icon: “Show/Hide SMS diagram”	The icon is visible only for a selected Project window
Open Properties window of a state machine or unit	Double click on the state machine or unit in the SMS diagram.
Open ST diagram	SHIFT + double click on the state machine in the diagram.
Move state machine	Select the state machine by a click on it and drag it to the new position. Icon: “Snap to grid”	View → SMS diagram → Grid settings - if selected the new position is on a grid.
Display state machine information	Position the cursor over the state machine.
Display command	Position the cursor over the arrow entering the state machine on top.	This is a command sent from a Master to a Slave state machine.
Display state	Position the cursor over the arrow entering the state machine on bottom.	This is a state of a Slave state machine.
Select a link	Click on the link	The color of the link changes to red.
Display all state machine links	Select the state machine by a click on it	The color of all links reaching the state machine changes to red.
Scroll SMS diagram	Use arrow keys or a mouse scrolling wheel.
Scroll SMS diagram on the print page	Use SHIFT + arrow keys.	Use Print setup to display the page boundaries.
Zoom SMS diagram	SPACE - Use + / - keys of the numerical pad or CTRL + mouse scrolling wheel	to return to default size and position

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