update emulator

internal/device/logic.go

@@ -56,6 +56,17 @@ func (s *DeviceState) handleWriteCommand(cmd string) string {
 		return "ERRORE: I comandi 'W' sono accettati solo in modalità programmazione."
 	}
 
+	// Handle special WNC command
+	if strings.HasPrefix(cmd, "WNC=") {
+		valueStr := strings.TrimPrefix(cmd, "WNC=")
+		value, err := strconv.Atoi(valueStr)
+		if err != nil || (value != 0 && value != 1) {
+			return "ERRORE: Valore fuori range per WNC"
+		}
+		s.SetNCParam(value == 1)
+		return fmt.Sprintf("OK: Parametro WNC impostato e salvato: %d", value)
+	}
+
 	// Parse command format: "W<id>=<value>"
 	parts := strings.SplitN(cmd, "=", 2)
 	if len(parts) != 2 {
@@ -97,6 +108,15 @@ func (s *DeviceState) handleReadCommand(cmd string) string {
 		return "ERRORE: I comandi 'W' sono accettati solo in modalità programmazione."
 	}
 
+	// Handle special RNC command
+	if cmd == "RNC" {
+		value := 0
+		if s.GetNCParam() {
+			value = 1
+		}
+		return fmt.Sprintf("PARAM: WNC=%d", value)
+	}
+
 	// Extract parameter ID
 	idStr := strings.TrimPrefix(cmd, "R")
 	id, err := strconv.Atoi(idStr)

internal/device/state.go

@@ -19,6 +19,8 @@ type DeviceState struct {
 	// W4=40 (Time Window), W20=128 (Gain)
 	params map[int]int
 
+	ncParam bool // NC parameter: true = NO (1), false = NC (0), default is NO
+
 	sensorValue int // Default 2067 (ideal rest value)
 	jitterRange int // Default 10 (means ±10)
 
@@ -41,6 +43,7 @@ func NewDeviceState() *DeviceState {
 			12: 1000, // W12 - Max Pulse Duration (max)
 			20: 127,  // W20 - Gain (middle of 0-255)
 		},
+		ncParam:          true, // Default NO mode (1)
 		sensorValue:      2067,
 		jitterRange:      10,
 		connectedClients: 0,
@@ -129,6 +132,7 @@ func (s *DeviceState) ResetToDefaults() {
 		12: 1000,
 		20: 127,
 	}
+	s.ncParam = true // Default NO mode (1)
 	s.sensorValue = 2067
 	s.jitterRange = 10
 }
@@ -176,6 +180,20 @@ func (s *DeviceState) GetAlarmState() (bool, string) {
 	return s.alarmActive, s.alarmType
 }
 
+// GetNCParam returns the NC parameter value (true = NO, false = NC)
+func (s *DeviceState) GetNCParam() bool {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	return s.ncParam
+}
+
+// SetNCParam sets the NC parameter value (true = NO, false = NC)
+func (s *DeviceState) SetNCParam(value bool) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	s.ncParam = value
+}
+
 // GetAllParams returns a copy of all parameters
 func (s *DeviceState) GetAllParams() map[int]int {
 	s.mu.RLock()