start in OFF state

handle status string add current ripple, siwtch current ripple on/off

src/SimulatedE2PS.cpp

@@ -59,7 +59,7 @@
 //  Reset         |  reset
 //  StartCycling  |  start_cycling
 //  Abort         |  abort
-//  fault         |  fault
+//  Fault         |  fault
 //================================================================
 
 //================================================================
@@ -486,24 +486,25 @@ void SimulatedE2PS::abort()
 }
 //--------------------------------------------------------
 /**
- *	Command fault related method
+ *	Command Fault related method
  * Description:  Force a simulated faulty condtion
  *
  */
 //--------------------------------------------------------
 void SimulatedE2PS::fault()
 {
-	DEBUG_STREAM << "SimulatedE2PS::fault()  - " << device_name << std::endl;
+	DEBUG_STREAM << "SimulatedE2PS::Fault()  - " << device_name << std::endl;
 	/*----- PROTECTED REGION ID(SimulatedE2PS::fault) ENABLED START -----*/
 	/* clang-format on */
 
 	//	Add your own code
+	if (get_state() == Tango::ON) return; // command is idempotent
 	_current_read = 0.0;
 	_current = 0.0;
 	_voltage = 0.0;
 	attr_current->set_write_value(_current);
-	push_change_event("current",&_current_read);
-	push_change_event("currentSet",&_current);
+	push_change_event("current", &_current_read);
+	push_change_event("currentSet", &_current);
 	set_state(Tango::FAULT);
 	push_change_event("State");
 	/* clang-format off */