TRACE_TRIGGER_EDGE (GVL)

Trigger edge

InOut:

Scope	Name	Type	Initial	Comment
Constant	TRIGGER_EDGE_NONE	BYTE	0	No trigger edge specified
	TRIGGER_EDGE_RISING	BYTE	1	Rising trigger edge
	TRIGGER_EDGE_TRAILING	BYTE	2	Falling trigger edge
	TRIGGER_EDGE_BOTH	BYTE	3	Both rising and falling trigger edge