EV_ events with Q_GADGET status types, mock periodic emission, tabbed demo UI

14 files changed, 1563 insertions, 212 deletions

diff --git a/demo/CMakeLists.txt b/demo/CMakeLists.txt
index bdee67f..aa8fd49 100644
--- a/demo/CMakeLists.txt
+++ b/demo/CMakeLists.txt
@@ -8,6 +8,9 @@ qt_add_qml_module(
   1.0
   QML_FILES
   Main.qml
+  CommandsPage.qml
+  StatusPage.qml
+  DebugConsole.qml
   # IMPORT_PATH sets QT_QML_IMPORT_PATH on the target, which qmlls reads to
   # resolve imports like "import Xpl2" in .qmlls.ini.
   IMPORT_PATH
diff --git a/demo/CommandsPage.qml b/demo/CommandsPage.qml
new file mode 100644
index 0000000..2e4437b
--- /dev/null
+++ b/demo/CommandsPage.qml
@@ -0,0 +1,183 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import Xpl2
+
+ColumnLayout {
+    id: commandsPage
+
+    required property int demoPhCount
+    required property ListModel phModel
+
+    spacing: 12
+
+    // --- JC Version ---
+    GroupBox {
+        Layout.fillWidth: true
+        enabled: Xpl2Client.connected
+        title: "Jetting Controller"
+
+        RowLayout {
+            anchors.fill: parent
+
+            Button {
+                text: "Get JC Version"
+
+                onClicked: Xpl2Client.getJcVersion()
+            }
+
+            Label {
+                text: Xpl2Client.controllerId > 0
+                      ? "Controller: %1 | FW: %2 | HW: %3 | PHs: %4".arg(
+                            Xpl2Client.controllerId).arg(
+                            Xpl2Client.firmwareVersion).arg(
+                            Xpl2Client.hardwareVersion).arg(
+                            Xpl2Client.printheadCount) : "No version data"
+            }
+        }
+    }
+
+    // --- Control ---
+    GroupBox {
+        Layout.fillWidth: true
+        enabled: Xpl2Client.connected
+        title: "Control"
+
+        GridLayout {
+            anchors.fill: parent
+            columns: 4
+
+            Button {
+                text: "Jetting All On"
+
+                onClicked: Xpl2Client.jettingAllOn()
+            }
+
+            Button {
+                text: "Jetting Off"
+
+                onClicked: Xpl2Client.jettingOff()
+            }
+
+            Button {
+                text: "JC LED On"
+
+                onClicked: Xpl2Client.jcIdLedOn()
+            }
+
+            Button {
+                text: "JC LED Off"
+
+                onClicked: Xpl2Client.jcIdLedOff()
+            }
+
+            Button {
+                text: "JC Calibration"
+
+                onClicked: Xpl2Client.jcCalibration()
+            }
+
+            Button {
+                text: "Reset Fault Codes"
+
+                onClicked: Xpl2Client.jcResetFaultCodes()
+            }
+        }
+    }
+
+    // --- Configuration ---
+    GroupBox {
+        Layout.fillWidth: true
+        enabled: Xpl2Client.connected
+        title: "Configuration"
+
+        GridLayout {
+            anchors.fill: parent
+            columns: 4
+
+            Button {
+                text: "Save All Settings"
+
+                onClicked: Xpl2Client.jcSaveAllPrintheadSettings()
+            }
+
+            Button {
+                text: "Reboot All PHs"
+
+                onClicked: Xpl2Client.jcRebootAllPrintheads()
+            }
+
+            Button {
+                text: "Restart JC"
+
+                onClicked: Xpl2Client.jcRestart()
+            }
+
+            Button {
+                text: "Shutdown JC"
+
+                onClicked: Xpl2Client.jcShutdown()
+            }
+        }
+    }
+
+    // --- Printheads ---
+    GroupBox {
+        Layout.fillHeight: true
+        Layout.fillWidth: true
+        enabled: Xpl2Client.connected
+        title: "Printheads (%1)".arg(commandsPage.demoPhCount)
+
+        ColumnLayout {
+            anchors.fill: parent
+
+            Button {
+                text: "Get All PH Versions"
+
+                onClicked: {
+                    for (let i = 0; i < commandsPage.phModel.count; ++i)
+                    Xpl2Client.getPhVersion(commandsPage.phModel.get(i).phId);
+                }
+            }
+
+            ScrollView {
+                Layout.fillHeight: true
+                Layout.fillWidth: true
+
+                ListView {
+                    model: commandsPage.phModel
+                    spacing: 4
+
+                    delegate: RowLayout {
+                        id: phDelegate
+
+                        required property int phId
+                        required property string versionInfo
+
+                        width: ListView.view.width
+
+                        Label {
+                            Layout.preferredWidth: 50
+                            font.bold: true
+                            text: "PH %1".arg(phDelegate.phId)
+                        }
+
+                        Button {
+                            text: "Version"
+
+                            onClicked: Xpl2Client.getPhVersion(phDelegate.phId)
+                        }
+
+                        Label {
+                            Layout.fillWidth: true
+                            elide: Text.ElideRight
+                            text: phDelegate.versionInfo || "—"
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/demo/DebugConsole.qml b/demo/DebugConsole.qml
new file mode 100644
index 0000000..9a5a9ff
--- /dev/null
+++ b/demo/DebugConsole.qml
@@ -0,0 +1,34 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+
+Rectangle {
+    id: debugRoot
+
+    function appendLog(msg: string): void {
+        let ts = new Date().toLocaleTimeString(Qt.locale(), "HH:mm:ss.zzz");
+        debugLog.text += "[" + ts + "] " + msg + "\n";
+        debugLog.cursorPosition = debugLog.text.length;
+    }
+
+    border.color: "#444"
+    color: "#1e1e1e"
+    radius: 4
+
+    ScrollView {
+        anchors.fill: parent
+        anchors.margins: 4
+
+        TextArea {
+            id: debugLog
+
+            background: null
+            color: "#cccccc"
+            font.family: "monospace"
+            font.pointSize: 9
+            readOnly: true
+            wrapMode: TextEdit.Wrap
+        }
+    }
+}
diff --git a/demo/Main.qml b/demo/Main.qml
index 394d1ba..9b9223f 100644
--- a/demo/Main.qml
+++ b/demo/Main.qml
@@ -39,6 +39,14 @@ ApplicationWindow {
             debugConsole.appendLog("ERROR: " + error);
         }
 
+        function onJcStatusReceived(status) {
+            statusPage.lastJcStatus = status;
+        }
+
+        function onPhStatusReceived(status) {
+            statusPage.lastPhStatus = status;
+        }
+
         function onPhVersionReceived(controllerId: int, printheadId: int,
                                      mcuFirmwareVersion: string,
                                      mcuHardwareVersion: string,
@@ -61,6 +69,10 @@ ApplicationWindow {
             }
         }
 
+        function onShuttingDown() {
+            debugConsole.appendLog("SERVER SHUTTING DOWN");
+        }
+
         function onStatusMessage(message: string) {
             debugConsole.appendLog(message);
         }
@@ -72,249 +84,87 @@ ApplicationWindow {
         anchors.fill: parent
         spacing: 0
 
-        ColumnLayout {
-            Layout.fillHeight: true
+        // --- Connection (always visible) ---
+        GroupBox {
+            Layout.bottomMargin: 0
             Layout.fillWidth: true
             Layout.margins: 16
-            spacing: 12
-
-            // --- Connection ---
-            GroupBox {
-                Layout.fillWidth: true
-                title: "Connection"
-
-                RowLayout {
-                    anchors.fill: parent
-
-                    Label {
-                        text: "Host:"
-                    }
-
-                    TextField {
-                        id: hostField
-
-                        Layout.fillWidth: true
-                        text: Xpl2Client.host
-
-                        onEditingFinished: Xpl2Client.host = text
-                    }
+            title: "Connection"
 
-                    Button {
-                        text: Xpl2Client.connected ? "Disconnect" : "Connect"
+            RowLayout {
+                anchors.fill: parent
 
-                        onClicked: {
-                            if (Xpl2Client.connected)
-                            Xpl2Client.disconnectFromServer();
-                            else
-                            Xpl2Client.connectToServer();
-                        }
-                    }
+                Label {
+                    text: "Host:"
                 }
-            }
 
-            // --- JC Version ---
-            GroupBox {
-                Layout.fillWidth: true
-                enabled: Xpl2Client.connected
-                title: "Jetting Controller"
+                TextField {
+                    id: hostField
 
-                RowLayout {
-                    anchors.fill: parent
+                    Layout.fillWidth: true
+                    text: Xpl2Client.host
 
-                    Button {
-                        text: "Get JC Version"
-
-                        onClicked: Xpl2Client.getJcVersion()
-                    }
-
-                    Label {
-                        text: Xpl2Client.controllerId > 0
-                              ? "Controller: %1 | FW: %2 | HW: %3 | PHs: %4".arg(
-                                    Xpl2Client.controllerId).arg(
-                                    Xpl2Client.firmwareVersion).arg(
-                                    Xpl2Client.hardwareVersion).arg(
-                                    Xpl2Client.printheadCount) :
-                                "No version data"
-                    }
+                    onEditingFinished: Xpl2Client.host = text
                 }
-            }
-
-            // --- Control ---
-            GroupBox {
-                Layout.fillWidth: true
-                enabled: Xpl2Client.connected
-                title: "Control"
-
-                GridLayout {
-                    anchors.fill: parent
-                    columns: 4
 
-                    Button {
-                        text: "Jetting All On"
+                Button {
+                    text: Xpl2Client.connected ? "Disconnect" : "Connect"
 
-                        onClicked: Xpl2Client.jettingAllOn()
-                    }
-
-                    Button {
-                        text: "Jetting Off"
-
-                        onClicked: Xpl2Client.jettingOff()
-                    }
-
-                    Button {
-                        text: "JC LED On"
-
-                        onClicked: Xpl2Client.jcIdLedOn()
-                    }
-
-                    Button {
-                        text: "JC LED Off"
-
-                        onClicked: Xpl2Client.jcIdLedOff()
-                    }
-
-                    Button {
-                        text: "JC Calibration"
-
-                        onClicked: Xpl2Client.jcCalibration()
-                    }
-
-                    Button {
-                        text: "Reset Fault Codes"
-
-                        onClicked: Xpl2Client.jcResetFaultCodes()
+                    onClicked: {
+                        if (Xpl2Client.connected)
+                        Xpl2Client.disconnectFromServer();
+                        else
+                        Xpl2Client.connectToServer();
                     }
                 }
             }
+        }
 
-            // --- Configuration ---
-            GroupBox {
-                Layout.fillWidth: true
-                enabled: Xpl2Client.connected
-                title: "Configuration"
-
-                GridLayout {
-                    anchors.fill: parent
-                    columns: 4
-
-                    Button {
-                        text: "Save All Settings"
-
-                        onClicked: Xpl2Client.jcSaveAllPrintheadSettings()
-                    }
-
-                    Button {
-                        text: "Reboot All PHs"
-
-                        onClicked: Xpl2Client.jcRebootAllPrintheads()
-                    }
-
-                    Button {
-                        text: "Restart JC"
-
-                        onClicked: Xpl2Client.jcRestart()
-                    }
+        // --- Tab bar ---
+        TabBar {
+            id: tabBar
 
-                    Button {
-                        text: "Shutdown JC"
+            Layout.fillWidth: true
+            Layout.leftMargin: 16
+            Layout.rightMargin: 16
 
-                        onClicked: Xpl2Client.jcShutdown()
-                    }
-                }
+            TabButton {
+                text: "Commands"
             }
 
-            // --- Printheads ---
-            GroupBox {
-                Layout.fillHeight: true
-                Layout.fillWidth: true
-                enabled: Xpl2Client.connected
-                title: "Printheads (%1)".arg(root.demoPhCount)
-
-                ColumnLayout {
-                    anchors.fill: parent
-
-                    Button {
-                        text: "Get All PH Versions"
-
-                        onClicked: {
-                            for (let i = 0; i < phModel.count; ++i)
-                            Xpl2Client.getPhVersion(phModel.get(i).phId);
-                        }
-                    }
-
-                    ScrollView {
-                        Layout.fillHeight: true
-                        Layout.fillWidth: true
-
-                        ListView {
-                            model: phModel
-                            spacing: 4
-
-                            delegate: RowLayout {
-                                id: phDelegate
+            TabButton {
+                text: "Status"
+            }
+        }
 
-                                required property int phId
-                                required property string versionInfo
+        // --- Swipe view ---
+        SwipeView {
+            id: swipeView
 
-                                width: ListView.view.width
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+            Layout.margins: 16
+            currentIndex: tabBar.currentIndex
 
-                                Label {
-                                    Layout.preferredWidth: 50
-                                    font.bold: true
-                                    text: "PH %1".arg(phDelegate.phId)
-                                }
+            onCurrentIndexChanged: tabBar.currentIndex = currentIndex
 
-                                Button {
-                                    text: "Version"
+            CommandsPage {
+                demoPhCount: root.demoPhCount
+                phModel: phModel
+            }
 
-                                    onClicked: Xpl2Client.getPhVersion(
-                                                   phDelegate.phId)
-                                }
+            StatusPage {
+                id: statusPage
 
-                                Label {
-                                    Layout.fillWidth: true
-                                    elide: Text.ElideRight
-                                    text: phDelegate.versionInfo || "—"
-                                }
-                            }
-                        }
-                    }
-                }
             }
         }
 
         // --- Debug Console ---
-        Rectangle {
+        DebugConsole {
             id: debugConsole
 
-            function appendLog(msg: string): void {
-                let ts = new Date().toLocaleTimeString(Qt.locale(),
-                                                       "HH:mm:ss.zzz");
-                debugLog.text += "[" + ts + "] " + msg + "\n";
-                debugLog.cursorPosition = debugLog.text.length;
-            }
-
             Layout.fillWidth: true
             Layout.preferredHeight: 160
-            border.color: "#444"
-            color: "#1e1e1e"
-            radius: 4
-
-            ScrollView {
-                anchors.fill: parent
-                anchors.margins: 4
-
-                TextArea {
-                    id: debugLog
-
-                    background: null
-                    color: "#cccccc"
-                    font.family: "monospace"
-                    font.pointSize: 9
-                    readOnly: true
-                    wrapMode: TextEdit.Wrap
-                }
-            }
         }
     }
 }
diff --git a/demo/StatusPage.qml b/demo/StatusPage.qml
new file mode 100644
index 0000000..6a85bcc
--- /dev/null
+++ b/demo/StatusPage.qml
@@ -0,0 +1,620 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import Xpl2
+
+ColumnLayout {
+    id: statusPage
+
+    property var lastJcStatus: null
+    property var lastPhStatus: null
+
+    spacing: 12
+
+    // --- Status Messaging Controls ---
+    GroupBox {
+        Layout.fillWidth: true
+        enabled: Xpl2Client.connected
+        title: "Status Messaging"
+
+        GridLayout {
+            anchors.fill: parent
+            columns: 2
+
+            Label {
+                text: "Level:"
+            }
+
+            ComboBox {
+                id: statusLevelCombo
+
+                Layout.fillWidth: true
+                model: ["1 — Basic", "2 — Extended"]
+            }
+
+            Label {
+                text: "Interval (ms):"
+            }
+
+            SpinBox {
+                id: statusIntervalSpin
+
+                Layout.fillWidth: true
+                from: 100
+                stepSize: 100
+                to: 10000
+                value: 1000
+            }
+
+            Button {
+                text: "Start JC Status"
+
+                onClicked: Xpl2Client.jcStatusMessagingStart(
+                               statusLevelCombo.currentIndex + 1,
+                               statusIntervalSpin.value)
+            }
+
+            Button {
+                text: "Stop JC Status"
+
+                onClicked: Xpl2Client.jcStatusMessagingStop()
+            }
+
+            Button {
+                text: "Start PH Status"
+
+                onClicked: Xpl2Client.phStatusMessagingStart(
+                               statusLevelCombo.currentIndex + 1,
+                               statusIntervalSpin.value)
+            }
+
+            Button {
+                text: "Stop PH Status"
+
+                onClicked: Xpl2Client.phStatusMessagingStop()
+            }
+        }
+    }
+
+    // --- JC Status Display ---
+    GroupBox {
+        Layout.fillWidth: true
+        title: "JC Status"
+
+        RowLayout {
+            anchors.fill: parent
+
+            GridLayout {
+                Layout.fillWidth: true
+                columns: 4
+
+                Label {
+                    font.bold: true
+                    text: "CPU:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.cpuPercentageBusy.toFixed(
+                                1) + "%" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Temp:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.temperature.toFixed(1)
+                            + "°C" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Rail 5V:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.rail5V.toFixed(2) + "V" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "CAN 8V:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.railCanBus8V.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Humidity:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.humidity.toFixed(1) + "%" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Bus I:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.busCurrent.toFixed(3) + "A" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Uptime:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.onTimeSeconds + "s" : "—"
+                }
+            }
+
+            // --- Extended (Level 2) ---
+            GridLayout {
+                Layout.fillWidth: true
+                columns: 4
+                visible: statusPage.lastJcStatus !== null
+                         && statusPage.lastJcStatus.statusLevel >= 2
+
+                Label {
+                    font.bold: true
+                    text: "IP:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.ipAddress : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "eFuse V:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.eFuseVoltage.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "eFuse Bus:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus ? (
+                                                        statusPage.lastJcStatus.eFuseBusEnabled
+                                                        ? "On" : "Off") : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Bus Power:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus ? (
+                                                        statusPage.lastJcStatus.busPowerEnabled
+                                                        ? "On" : "Off") : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Bus OK:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus ? (
+                                                        statusPage.lastJcStatus.busPowerOk
+                                                        ? "Yes" : "No") : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Switch:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus ? String(
+                                                        statusPage.lastJcStatus.switchValue) :
+                                                    "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "FW:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.firmwareVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "HW:"
+                }
+
+                Label {
+                    text: statusPage.lastJcStatus
+                          ? statusPage.lastJcStatus.hardwareVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Indicators:"
+                }
+
+                Label {
+                    Layout.columnSpan: 3
+                    text: statusPage.lastJcStatus
+                          ? [statusPage.lastJcStatus.indicator0,
+                             statusPage.lastJcStatus.indicator1,
+                             statusPage.lastJcStatus.indicator2,
+                             statusPage.lastJcStatus.indicator3,
+                             statusPage.lastJcStatus.indicator4,
+                             statusPage.lastJcStatus.indicator5].map(function (
+                                 v) {
+                                 return v ? "1" : "0";
+                             }).join(" ") : "—"
+                }
+            }
+        }
+    }
+
+    // --- PH Status Display ---
+    GroupBox {
+        Layout.fillHeight: true
+        Layout.fillWidth: true
+        title: "PH Status"
+
+        RowLayout {
+            anchors.fill: parent
+
+            GridLayout {
+                Layout.fillWidth: true
+                columns: 4
+
+                Label {
+                    font.bold: true
+                    text: "PH:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus ? String(
+                                                        statusPage.lastPhStatus.printheadId) :
+                                                    "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Temp:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.temperature.toFixed(1)
+                            + "°C" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "MCU Temp:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mcuTemperature.toFixed(1)
+                            + "°C" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Humidity:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.humidity.toFixed(1) + "%" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "PDS V:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.pdsVoltage.toFixed(2) + "V" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "MDS V:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mdsVoltage.toFixed(2) + "V" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Sys V:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.systemVoltage.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "VDD:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.vdd.toFixed(2) + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "eFuse I:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.eFuseCurrent.toFixed(3)
+                            + "A" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Nozzle I:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.nozzleCurrent.toFixed(3)
+                            + "A" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Duty Cycle:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.dutyCycle.toFixed(1) + "%" :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Drive:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus ? String(
+                                                        statusPage.lastPhStatus.drive) :
+                                                    "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Uptime:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.onTimeSeconds + "s" : "—"
+                }
+            }
+
+            // --- Extended (Level 2) ---
+            GridLayout {
+                Layout.fillWidth: true
+                columns: 4
+                visible: statusPage.lastPhStatus !== null
+                         && statusPage.lastPhStatus.statusLevel >= 2
+
+                Label {
+                    font.bold: true
+                    text: "MCU FW:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mcuFirmwareVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "MCU HW:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mcuHardwareVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "MCU Variant:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mcuFirmwareVariant : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "FPGA FW:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.fpgaFirmwareVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "FPGA HW:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.fpgaHardwareVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Boot:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.bootloaderVersion : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Max Temp:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.maxAllowedTemperature.toFixed(
+                                1) + "°C" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "eFuse Max:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.eFuseCurrentMax.toFixed(2)
+                            + "A" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "PDS V Max:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.pdsVoltageMax.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "PDS V Min:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.pdsVoltageMin.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "MDS V Max:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mdsVoltageMax.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "MDS V Min:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.mdsVoltageMin.toFixed(2)
+                            + "V" : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Meas. HW:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.measuredHardwareVersion :
+                            "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Accel ID:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus ? String(
+                                                        statusPage.lastPhStatus.accelerometerId) :
+                                                    "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Gyro:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.gyroX + ", "
+                            + statusPage.lastPhStatus.gyroY + ", "
+                            + statusPage.lastPhStatus.gyroZ : "—"
+                }
+
+                Label {
+                    font.bold: true
+                    text: "Accel:"
+                }
+
+                Label {
+                    text: statusPage.lastPhStatus
+                          ? statusPage.lastPhStatus.accelerationX + ", "
+                            + statusPage.lastPhStatus.accelerationY + ", "
+                            + statusPage.lastPhStatus.accelerationZ : "—"
+                }
+            }
+        }
+    }
+}
diff --git a/mock-server/MockServer.cpp b/mock-server/MockServer.cpp
index f2431d9..f8831da 100644
--- a/mock-server/MockServer.cpp
+++ b/mock-server/MockServer.cpp
@@ -22,6 +22,11 @@ MockServer::MockServer (QObject *parent) : QObject (parent)
 
   connect (&m_pingTimer, &QTimer::timeout, this, &MockServer::sendKaPing);
   m_pingTimer.start (1000);
+
+  connect (&m_jcStatusTimer, &QTimer::timeout, this,
+           &MockServer::sendJcStatusMsg);
+  connect (&m_phStatusTimer, &QTimer::timeout, this,
+           &MockServer::sendPhStatusMsg);
 }
 
 void
@@ -291,7 +296,23 @@ MockServer::handleCnStatusMessagingStart (QTcpSocket *client,
 {
   qDebug ("%s RX %s,%s", qPrintable (logTag (client->localPort ())),
           cmd.constData (), params.constData ());
-  /* Echo back: controllerId, level, interval, success. */
+
+  /* Parse level and interval from params: "level,interval" */
+  QList<QByteArray> parts = params.split (',');
+  int level = parts.size () > 0 ? parts[0].toInt () : 1;
+  int interval = parts.size () > 1 ? parts[1].toInt () : 1000;
+
+  if (cmd == "CN_JC_STATUS_MESSAGING_START")
+    {
+      m_jcStatusLevel = level;
+      m_jcStatusTimer.start (interval);
+    }
+  else
+    {
+      m_phStatusLevel = level;
+      m_phStatusTimer.start (interval);
+    }
+
   sendReply (client, cmd + ",1," + params + ",1\n");
 }
 
@@ -301,6 +322,12 @@ MockServer::handleCnStatusMessagingStop (QTcpSocket *client,
 {
   qDebug ("%s RX %s", qPrintable (logTag (client->localPort ())),
           cmd.constData ());
+
+  if (cmd == "CN_JC_STATUS_MESSAGING_STOP")
+    m_jcStatusTimer.stop ();
+  else
+    m_phStatusTimer.stop ();
+
   sendReply (client, cmd + ",1,1\n");
 }
 
@@ -365,3 +392,80 @@ MockServer::handleCfPhGetter (QTcpSocket *client, const QByteArray &params)
           params.constData ());
   sendReply (client, "CF_PH_GETTER,1," + params + ",\"0\",1\n");
 }
+
+void
+MockServer::sendJcStatusMsg ()
+{
+  static int tick = 0;
+  ++tick;
+  bool odd = (tick % 2) != 0;
+
+  /* Alternate between two value sets so the demo visually updates.
+     Level 1: cid, level, cpu, rail5v, canBus8v, temp, humidity, busCurrent,
+     onTimeSeconds */
+  QByteArray level = QByteArray::number (m_jcStatusLevel);
+  QByteArray base = "EV_STATUS_MSG_JC,1," + level;
+  if (odd)
+    base += ",42.5,4.98,7.95,35.2,55.0,0.12,3600";
+  else
+    base += ",58.3,5.02,8.05,37.8,48.5,0.15,3660";
+
+  if (m_jcStatusLevel >= 2)
+    {
+      if (odd)
+        base += ",\"192.168.1.100\",23.5,1,1,1,3,\"1.05\",\"2.00\""
+                ",0,0,0,0,0,0";
+      else
+        base += ",\"192.168.1.100\",24.1,1,1,1,3,\"1.05\",\"2.00\""
+                ",1,0,1,0,1,0";
+    }
+  base += '\n';
+
+  for (auto *client : m_clients)
+    if (client->state () == QAbstractSocket::ConnectedState
+        && client->localPort () == m_status.number)
+      sendReply (client, base);
+}
+
+void
+MockServer::sendPhStatusMsg ()
+{
+  static int tick = 0;
+  ++tick;
+  bool odd = (tick % 2) != 0;
+
+  /* Alternate between two value sets.
+     Level 1: cid, level, phId, temp, humidity, mcuTemp, pdsV, mdsV, sysV,
+     eFuseI, nozzleI, vdd, 13×trip bools, dutyCycle, pwmFreq, drive,
+     nozzleDriveFreq, nozzleDriveDutyCycle, onTimeSeconds */
+  QByteArray level = QByteArray::number (m_phStatusLevel);
+  QByteArray base = "EV_STATUS_MSG_PH,1," + level + ",1";
+  if (odd)
+    base += ",38.5,45.0,40.2,36.0,24.0,3.3,0.05,0.02,3.3"
+            ",0,0,0,0,0,0,0,0,0,0,0,0,0"
+            ",50.0,10000.0,3,8000.0,50.0,1800";
+  else
+    base += ",41.2,42.0,43.1,35.5,23.8,3.28,0.06,0.03,3.31"
+            ",0,0,0,0,0,0,0,0,0,0,0,0,0"
+            ",55.0,10500.0,4,8200.0,52.0,1860";
+
+  if (m_phStatusLevel >= 2)
+    {
+      if (odd)
+        base += ",0,\"MCU001\",\"FLASH001\",12345"
+                ",\"1.00\",\"3.10\",\"Standard\",\"1.00\",\"2.05\",\"0.9.1\""
+                ",100.0,45.0,20.0,36.0,30.0,18.0,2.0,\"1.00\""
+                ",0,0,0,0,0,0,0,0,0,0,0,0,0,0";
+      else
+        base += ",0,\"MCU001\",\"FLASH001\",12345"
+                ",\"1.00\",\"3.10\",\"Standard\",\"1.00\",\"2.05\",\"0.9.1\""
+                ",100.0,45.0,20.0,35.5,30.0,18.0,2.0,\"1.00\""
+                ",1,-1,2,0,0,0,0,0,0,0,0,0,0,0";
+    }
+  base += '\n';
+
+  for (auto *client : m_clients)
+    if (client->state () == QAbstractSocket::ConnectedState
+        && client->localPort () == m_status.number)
+      sendReply (client, base);
+}
diff --git a/mock-server/MockServer.h b/mock-server/MockServer.h
index b14dda5..3086057 100644
--- a/mock-server/MockServer.h
+++ b/mock-server/MockServer.h
@@ -25,6 +25,8 @@ private slots:
   void onClientDisconnected ();
   /* Send KA_PING keepalive to all connected clients. */
   void sendKaPing ();
+  void sendJcStatusMsg ();
+  void sendPhStatusMsg ();
 
 private:
   struct Port
@@ -73,5 +75,9 @@ private:
   Port m_status;
   QList<QTcpSocket *> m_clients;
   QTimer m_pingTimer;
+  QTimer m_jcStatusTimer;
+  QTimer m_phStatusTimer;
+  int m_jcStatusLevel = 1;
+  int m_phStatusLevel = 1;
   static bool s_wireDebug;
 };
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4d57f8a..25572a2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -9,6 +9,10 @@ qt_add_qml_module(
   SOURCES
   Xpl2Protocol.h
   Xpl2Protocol.cpp
+  Xpl2JcStatus.h
+  Xpl2JcStatus.cpp
+  Xpl2PhStatus.h
+  Xpl2PhStatus.cpp
   Xpl2Client.h
   Xpl2Client.cpp
   OUTPUT_DIRECTORY
diff --git a/src/Xpl2Client.cpp b/src/Xpl2Client.cpp
index d6eb28a..ac7079f 100644
--- a/src/Xpl2Client.cpp
+++ b/src/Xpl2Client.cpp
@@ -132,6 +132,26 @@ Xpl2Client::s_responseTable = {
   /* CF_ PH getter: cid, phId, savedValue, getterId, currentValue, successFlag */
   { "CF_PH_GETTER", { ResponseShape::PhGetter, 6,
     [](auto *s, const auto &p) { emit s->phGetterResult (p[0].toInt (), p[1].toInt (), p[2].toInt () != 0, p[3].toInt (), p[4].toString (), p[5].toInt () == 1); } } },
+
+  /* EV_ events */
+  { "EV_PH_CONNECTION_CHANGED", { ResponseShape::PhConnectionChanged, 3,
+    [](auto *s, const auto &p) { emit s->phConnectionChanged (p[0].toInt (), p[1].toInt (), p[2].toInt () == 1); } } },
+  { "EV_JC_ERROR_CODE", { ResponseShape::ErrorCode, 3,
+    [](auto *s, const auto &p) {
+      QStringList ep; for (int i = 3; i < p.size (); ++i) ep << p[i].toString ();
+      emit s->jcErrorCode (p[0].toInt (), p[1].toInt (), ep); } } },
+  { "EV_IMG_ERROR_CODE", { ResponseShape::ErrorCode, 3,
+    [](auto *s, const auto &p) {
+      QStringList ep; for (int i = 3; i < p.size (); ++i) ep << p[i].toString ();
+      emit s->imgErrorCode (p[0].toInt (), p[1].toInt (), ep); } } },
+  { "EV_STATUS_ERROR_CODE", { ResponseShape::ErrorCode, 3,
+    [](auto *s, const auto &p) {
+      QStringList ep; for (int i = 3; i < p.size (); ++i) ep << p[i].toString ();
+      emit s->statusErrorCode (p[0].toInt (), p[1].toInt (), ep); } } },
+  { "EV_PH_ERROR_CODE", { ResponseShape::PhErrorCode, 4,
+    [](auto *s, const auto &p) {
+      QStringList ep; for (int i = 4; i < p.size (); ++i) ep << p[i].toString ();
+      emit s->phErrorCode (p[0].toInt (), p[1].toInt (), p[2].toInt (), ep); } } },
 };
 // clang-format on
 
@@ -567,6 +587,8 @@ Xpl2Client::dispatchCommandMessage (const Xpl2Protocol::ParsedMessage &msg)
 {
   if (msg.command == "KA_PING")
     handleKaPing (m_commandSocket);
+  else if (msg.command == "EV_SHUTTING_DOWN")
+    emit shuttingDown ();
   else if (msg.command == "GS_JC_VERSION")
     handleGsJcVersion (msg.params);
   else if (msg.command == "GS_PH_VERSION")
@@ -581,6 +603,8 @@ Xpl2Client::dispatchImagingMessage (const Xpl2Protocol::ParsedMessage &msg)
 {
   if (msg.command == "KA_PING")
     handleKaPing (m_imagingSocket);
+  else if (msg.command == "EV_SHUTTING_DOWN")
+    emit shuttingDown ();
   else
     qWarning ("%s Unknown command: %s", qPrintable (logTag (&m_imagingSocket)),
               msg.command.constData ());
@@ -591,6 +615,12 @@ Xpl2Client::dispatchStatusMessage (const Xpl2Protocol::ParsedMessage &msg)
 {
   if (msg.command == "KA_PING")
     handleKaPing (m_statusSocket);
+  else if (msg.command == "EV_SHUTTING_DOWN")
+    emit shuttingDown ();
+  else if (msg.command == "EV_STATUS_MSG_JC")
+    handleEvStatusMsgJc (msg.params);
+  else if (msg.command == "EV_STATUS_MSG_PH")
+    handleEvStatusMsgPh (msg.params);
   else if (!dispatchResponse (msg.command, msg.params, &m_statusSocket))
     qWarning ("%s Unknown command: %s", qPrintable (logTag (&m_statusSocket)),
               msg.command.constData ());
@@ -778,6 +808,26 @@ Xpl2Client::dispatchResponse (const QByteArray &command,
                    .arg (params[4].toString ())
                    .arg (params[5].toInt () == 1);
       break;
+    case ResponseShape::PhConnectionChanged:
+      logStr = QStringLiteral ("RX %1: controller=%2 ph=%3 connected=%4")
+                   .arg (cmd)
+                   .arg (cid)
+                   .arg (params[1].toInt ())
+                   .arg (params[2].toInt () == 1);
+      break;
+    case ResponseShape::ErrorCode:
+      logStr = QStringLiteral ("RX %1: controller=%2 error=%3")
+                   .arg (cmd)
+                   .arg (cid)
+                   .arg (params[1].toInt ());
+      break;
+    case ResponseShape::PhErrorCode:
+      logStr = QStringLiteral ("RX %1: controller=%2 ph=%3 error=%4")
+                   .arg (cmd)
+                   .arg (cid)
+                   .arg (params[1].toInt ())
+                   .arg (params[2].toInt ());
+      break;
     }
 
   qDebug ("%s    %s", qPrintable (logTag (socket)), qPrintable (logStr));
@@ -786,6 +836,35 @@ Xpl2Client::dispatchResponse (const QByteArray &command,
   return true;
 }
 
+void
+Xpl2Client::handleEvStatusMsgJc (const QVariantList &params)
+{
+  Xpl2JcStatus status = Xpl2JcStatus::fromParams (params);
+  qDebug ("%s    EV_STATUS_MSG_JC controller=%d level=%d temp=%.1f cpu=%.1f%%",
+          qPrintable (logTag (&m_statusSocket)), status.controllerId,
+          status.statusLevel, status.temperature, status.cpuPercentageBusy);
+  emit statusMessage (
+      QStringLiteral ("RX EV_STATUS_MSG_JC: controller=%1 level=%2")
+          .arg (status.controllerId)
+          .arg (status.statusLevel));
+  emit jcStatusReceived (status);
+}
+
+void
+Xpl2Client::handleEvStatusMsgPh (const QVariantList &params)
+{
+  Xpl2PhStatus status = Xpl2PhStatus::fromParams (params);
+  qDebug ("%s    EV_STATUS_MSG_PH controller=%d level=%d ph=%d temp=%.1f",
+          qPrintable (logTag (&m_statusSocket)), status.controllerId,
+          status.statusLevel, status.printheadId, status.temperature);
+  emit statusMessage (
+      QStringLiteral ("RX EV_STATUS_MSG_PH: controller=%1 level=%2 ph=%3")
+          .arg (status.controllerId)
+          .arg (status.statusLevel)
+          .arg (status.printheadId));
+  emit phStatusReceived (status);
+}
+
 /* ------------------------------------------------------------------ */
 /*  Internal                                                          */
 /* ------------------------------------------------------------------ */
diff --git a/src/Xpl2Client.h b/src/Xpl2Client.h
index 78eca0a..724f926 100644
--- a/src/Xpl2Client.h
+++ b/src/Xpl2Client.h
@@ -4,6 +4,8 @@
  */
 #pragma once
 
+#include "Xpl2JcStatus.h"
+#include "Xpl2PhStatus.h"
 #include "Xpl2Protocol.h"
 
 #include <QHash>
@@ -248,6 +250,20 @@ signals:
   void jcSaveAllPrintheadSettingsResult (int controllerId, bool success);
   void phSaveSettingsResult (int controllerId, int printheadId, bool success);
 
+  /* EV_ event signals */
+  void shuttingDown ();
+  void phConnectionChanged (int controllerId, int printheadId, bool connected);
+  void jcErrorCode (int controllerId, int errorCode,
+                    const QStringList &params);
+  void phErrorCode (int controllerId, int printheadId, int errorCode,
+                    const QStringList &params);
+  void imgErrorCode (int controllerId, int errorCode,
+                     const QStringList &params);
+  void statusErrorCode (int controllerId, int errorCode,
+                        const QStringList &params);
+  void jcStatusReceived (const Xpl2JcStatus &status);
+  void phStatusReceived (const Xpl2PhStatus &status);
+
 private slots:
   void onSocketConnected ();
   void onSocketDisconnected ();
@@ -276,7 +292,10 @@ private:
     JcSetter,
     PhSetter,
     JcGetter,
-    PhGetter
+    PhGetter,
+    PhConnectionChanged,
+    ErrorCode,
+    PhErrorCode
   };
 
   struct ResponseEntry
@@ -290,6 +309,8 @@ private:
 
   bool dispatchResponse (const QByteArray &command, const QVariantList &params,
                          const QTcpSocket *socket);
+  void handleEvStatusMsgJc (const QVariantList &params);
+  void handleEvStatusMsgPh (const QVariantList &params);
   void updateConnectedState ();
   QString logTag (const QTcpSocket *socket) const;
 
diff --git a/src/Xpl2JcStatus.cpp b/src/Xpl2JcStatus.cpp
new file mode 100644
index 0000000..b800eb9
--- /dev/null
+++ b/src/Xpl2JcStatus.cpp
@@ -0,0 +1,70 @@
+/**
+ * @file   Xpl2JcStatus.cpp
+ * @brief  Structured JC status message (EV_STATUS_MSG_JC, Appendix A).
+ */
+#include "Xpl2JcStatus.h"
+
+#include <QVariant>
+
+Xpl2JcStatus
+Xpl2JcStatus::fromParams (const QVariantList &params)
+{
+  Xpl2JcStatus s;
+  int n = params.size ();
+  if (n < 2)
+    return s;
+
+  s.controllerId = params[0].toInt ();
+  s.statusLevel = params[1].toInt ();
+
+  /* Level 1: fields at indices 2-8 */
+  if (n > 2)
+    s.cpuPercentageBusy = params[2].toFloat ();
+  if (n > 3)
+    s.rail5V = params[3].toFloat ();
+  if (n > 4)
+    s.railCanBus8V = params[4].toFloat ();
+  if (n > 5)
+    s.temperature = params[5].toFloat ();
+  if (n > 6)
+    s.humidity = params[6].toFloat ();
+  if (n > 7)
+    s.busCurrent = params[7].toFloat ();
+  if (n > 8)
+    s.onTimeSeconds = params[8].toInt ();
+
+  /* Level 2: fields at indices 9-22 */
+  if (s.statusLevel < 2 || n <= 9)
+    return s;
+
+  if (n > 9)
+    s.ipAddress = params[9].toString ();
+  if (n > 10)
+    s.eFuseVoltage = params[10].toFloat ();
+  if (n > 11)
+    s.eFuseBusEnabled = params[11].toInt () != 0;
+  if (n > 12)
+    s.busPowerEnabled = params[12].toInt () != 0;
+  if (n > 13)
+    s.busPowerOk = params[13].toInt () != 0;
+  if (n > 14)
+    s.switchValue = params[14].toInt ();
+  if (n > 15)
+    s.firmwareVersion = params[15].toString ();
+  if (n > 16)
+    s.hardwareVersion = params[16].toString ();
+  if (n > 17)
+    s.indicator0 = params[17].toInt () != 0;
+  if (n > 18)
+    s.indicator1 = params[18].toInt () != 0;
+  if (n > 19)
+    s.indicator2 = params[19].toInt () != 0;
+  if (n > 20)
+    s.indicator3 = params[20].toInt () != 0;
+  if (n > 21)
+    s.indicator4 = params[21].toInt () != 0;
+  if (n > 22)
+    s.indicator5 = params[22].toInt () != 0;
+
+  return s;
+}
diff --git a/src/Xpl2JcStatus.h b/src/Xpl2JcStatus.h
new file mode 100644
index 0000000..00e2a64
--- /dev/null
+++ b/src/Xpl2JcStatus.h
@@ -0,0 +1,73 @@
+/**
+ * @file   Xpl2JcStatus.h
+ * @brief  Structured JC status message (EV_STATUS_MSG_JC, Appendix A).
+ */
+#pragma once
+
+#include <QObject>
+#include <QString>
+
+class Xpl2JcStatus
+{
+  Q_GADGET
+
+  Q_PROPERTY (int controllerId MEMBER controllerId)
+  Q_PROPERTY (int statusLevel MEMBER statusLevel)
+
+  /* Level 1 fields (3-9) */
+  Q_PROPERTY (float cpuPercentageBusy MEMBER cpuPercentageBusy)
+  Q_PROPERTY (float rail5V MEMBER rail5V)
+  Q_PROPERTY (float railCanBus8V MEMBER railCanBus8V)
+  Q_PROPERTY (float temperature MEMBER temperature)
+  Q_PROPERTY (float humidity MEMBER humidity)
+  Q_PROPERTY (float busCurrent MEMBER busCurrent)
+  Q_PROPERTY (int onTimeSeconds MEMBER onTimeSeconds)
+
+  /* Level 2 fields (10-23) */
+  Q_PROPERTY (QString ipAddress MEMBER ipAddress)
+  Q_PROPERTY (float eFuseVoltage MEMBER eFuseVoltage)
+  Q_PROPERTY (bool eFuseBusEnabled MEMBER eFuseBusEnabled)
+  Q_PROPERTY (bool busPowerEnabled MEMBER busPowerEnabled)
+  Q_PROPERTY (bool busPowerOk MEMBER busPowerOk)
+  Q_PROPERTY (int switchValue MEMBER switchValue)
+  Q_PROPERTY (QString firmwareVersion MEMBER firmwareVersion)
+  Q_PROPERTY (QString hardwareVersion MEMBER hardwareVersion)
+  Q_PROPERTY (bool indicator0 MEMBER indicator0)
+  Q_PROPERTY (bool indicator1 MEMBER indicator1)
+  Q_PROPERTY (bool indicator2 MEMBER indicator2)
+  Q_PROPERTY (bool indicator3 MEMBER indicator3)
+  Q_PROPERTY (bool indicator4 MEMBER indicator4)
+  Q_PROPERTY (bool indicator5 MEMBER indicator5)
+
+public:
+  int controllerId = 0;
+  int statusLevel = 0;
+
+  /* Level 1 */
+  float cpuPercentageBusy = 0;
+  float rail5V = 0;
+  float railCanBus8V = 0;
+  float temperature = 0;
+  float humidity = 0;
+  float busCurrent = 0;
+  int onTimeSeconds = 0;
+
+  /* Level 2 */
+  QString ipAddress;
+  float eFuseVoltage = 0;
+  bool eFuseBusEnabled = false;
+  bool busPowerEnabled = false;
+  bool busPowerOk = false;
+  int switchValue = 0;
+  QString firmwareVersion;
+  QString hardwareVersion;
+  bool indicator0 = false;
+  bool indicator1 = false;
+  bool indicator2 = false;
+  bool indicator3 = false;
+  bool indicator4 = false;
+  bool indicator5 = false;
+
+  /** Parse from EV_STATUS_MSG_JC params (after command token). */
+  static Xpl2JcStatus fromParams (const QVariantList &params);
+};
diff --git a/src/Xpl2PhStatus.cpp b/src/Xpl2PhStatus.cpp
new file mode 100644
index 0000000..8413db4
--- /dev/null
+++ b/src/Xpl2PhStatus.cpp
@@ -0,0 +1,149 @@
+/**
+ * @file   Xpl2PhStatus.cpp
+ * @brief  Structured PH status message (EV_STATUS_MSG_PH, Appendix B).
+ */
+#include "Xpl2PhStatus.h"
+
+#include <QVariant>
+
+Xpl2PhStatus
+Xpl2PhStatus::fromParams (const QVariantList &params)
+{
+  Xpl2PhStatus s;
+  int n = params.size ();
+  if (n < 3)
+    return s;
+
+  s.controllerId = params[0].toInt ();
+  s.statusLevel = params[1].toInt ();
+  s.printheadId = params[2].toInt ();
+
+  /* Level 1: fields at indices 3-30 */
+  if (n > 3)
+    s.temperature = params[3].toFloat ();
+  if (n > 4)
+    s.humidity = params[4].toFloat ();
+  if (n > 5)
+    s.mcuTemperature = params[5].toFloat ();
+  if (n > 6)
+    s.pdsVoltage = params[6].toFloat ();
+  if (n > 7)
+    s.mdsVoltage = params[7].toFloat ();
+  if (n > 8)
+    s.systemVoltage = params[8].toFloat ();
+  if (n > 9)
+    s.eFuseCurrent = params[9].toFloat ();
+  if (n > 10)
+    s.nozzleCurrent = params[10].toFloat ();
+  if (n > 11)
+    s.vdd = params[11].toFloat ();
+  if (n > 12)
+    s.temperatureTrip = params[12].toInt () != 0;
+  if (n > 13)
+    s.pdsOverVoltageTrip = params[13].toInt () != 0;
+  if (n > 14)
+    s.pdsUnderVoltageTrip = params[14].toInt () != 0;
+  if (n > 15)
+    s.pdsSupplyErrorTrip = params[15].toInt () != 0;
+  if (n > 16)
+    s.mdsOverVoltageTrip = params[16].toInt () != 0;
+  if (n > 17)
+    s.mdsUnderVoltageTrip = params[17].toInt () != 0;
+  if (n > 18)
+    s.supplyOverVoltageTrip = params[18].toInt () != 0;
+  if (n > 19)
+    s.supplyUnderVoltageTrip = params[19].toInt () != 0;
+  if (n > 20)
+    s.eFuseOverCurrentTrip = params[20].toInt () != 0;
+  if (n > 21)
+    s.eFuseInputVoltageErrorTrip = params[21].toInt () != 0;
+  if (n > 22)
+    s.eFuseFaultTrip = params[22].toInt () != 0;
+  if (n > 23)
+    s.flashFaultyTrip = params[23].toInt () != 0;
+  if (n > 24)
+    s.flashChecksumErrorTrip = params[24].toInt () != 0;
+  if (n > 25)
+    s.dutyCycle = params[25].toFloat ();
+  if (n > 26)
+    s.pwmFrequency = params[26].toFloat ();
+  if (n > 27)
+    s.drive = params[27].toInt ();
+  if (n > 28)
+    s.nozzleDriveFrequency = params[28].toFloat ();
+  if (n > 29)
+    s.nozzleDriveDutyCycle = params[29].toFloat ();
+  if (n > 30)
+    s.onTimeSeconds = params[30].toInt ();
+
+  /* Level 2: fields at indices 31-61 */
+  if (s.statusLevel < 2 || n <= 31)
+    return s;
+
+  if (n > 31)
+    s.accelerometerId = params[31].toInt ();
+  if (n > 32)
+    s.mcuId = params[32].toString ();
+  if (n > 33)
+    s.flashMemoryId = params[33].toString ();
+  if (n > 34)
+    s.temperatureSensorSerialNumber = params[34].toInt ();
+  if (n > 35)
+    s.mcuHardwareVersion = params[35].toString ();
+  if (n > 36)
+    s.mcuFirmwareVersion = params[36].toString ();
+  if (n > 37)
+    s.mcuFirmwareVariant = params[37].toString ();
+  if (n > 38)
+    s.fpgaHardwareVersion = params[38].toString ();
+  if (n > 39)
+    s.fpgaFirmwareVersion = params[39].toString ();
+  if (n > 40)
+    s.bootloaderVersion = params[40].toString ();
+  if (n > 41)
+    s.maxAllowedTemperature = params[41].toFloat ();
+  if (n > 42)
+    s.pdsVoltageMax = params[42].toFloat ();
+  if (n > 43)
+    s.pdsVoltageMin = params[43].toFloat ();
+  if (n > 44)
+    s.pdsVoltageSetting = params[44].toFloat ();
+  if (n > 45)
+    s.mdsVoltageMax = params[45].toFloat ();
+  if (n > 46)
+    s.mdsVoltageMin = params[46].toFloat ();
+  if (n > 47)
+    s.eFuseCurrentMax = params[47].toFloat ();
+  if (n > 48)
+    s.measuredHardwareVersion = params[48].toString ();
+  if (n > 49)
+    s.gyroX = params[49].toInt ();
+  if (n > 50)
+    s.gyroY = params[50].toInt ();
+  if (n > 51)
+    s.gyroZ = params[51].toInt ();
+  if (n > 52)
+    s.accelerationX = params[52].toInt ();
+  if (n > 53)
+    s.accelerationY = params[53].toInt ();
+  if (n > 54)
+    s.accelerationZ = params[54].toInt ();
+  if (n > 55)
+    s.purge = params[55].toInt ();
+  if (n > 56)
+    s.purgeState = params[56].toInt ();
+  if (n > 57)
+    s.purgeDelay = params[57].toInt ();
+  if (n > 58)
+    s.purgeCounter = params[58].toInt ();
+  if (n > 59)
+    s.cleaningStartPeriod = params[59].toInt ();
+  if (n > 60)
+    s.cleaningEndPeriod = params[60].toInt ();
+  if (n > 61)
+    s.cleaningStepPeriod = params[61].toInt ();
+  if (n > 62)
+    s.cleaningPeriod = params[62].toInt ();
+
+  return s;
+}
diff --git a/src/Xpl2PhStatus.h b/src/Xpl2PhStatus.h
new file mode 100644
index 0000000..75a04a0
--- /dev/null
+++ b/src/Xpl2PhStatus.h
@@ -0,0 +1,155 @@
+/**
+ * @file   Xpl2PhStatus.h
+ * @brief  Structured PH status message (EV_STATUS_MSG_PH, Appendix B).
+ */
+#pragma once
+
+#include <QObject>
+#include <QString>
+
+class Xpl2PhStatus
+{
+  Q_GADGET
+
+  Q_PROPERTY (int controllerId MEMBER controllerId)
+  Q_PROPERTY (int statusLevel MEMBER statusLevel)
+  Q_PROPERTY (int printheadId MEMBER printheadId)
+
+  /* Level 1 fields (4-31) */
+  Q_PROPERTY (float temperature MEMBER temperature)
+  Q_PROPERTY (float humidity MEMBER humidity)
+  Q_PROPERTY (float mcuTemperature MEMBER mcuTemperature)
+  Q_PROPERTY (float pdsVoltage MEMBER pdsVoltage)
+  Q_PROPERTY (float mdsVoltage MEMBER mdsVoltage)
+  Q_PROPERTY (float systemVoltage MEMBER systemVoltage)
+  Q_PROPERTY (float eFuseCurrent MEMBER eFuseCurrent)
+  Q_PROPERTY (float nozzleCurrent MEMBER nozzleCurrent)
+  Q_PROPERTY (float vdd MEMBER vdd)
+  Q_PROPERTY (bool temperatureTrip MEMBER temperatureTrip)
+  Q_PROPERTY (bool pdsOverVoltageTrip MEMBER pdsOverVoltageTrip)
+  Q_PROPERTY (bool pdsUnderVoltageTrip MEMBER pdsUnderVoltageTrip)
+  Q_PROPERTY (bool pdsSupplyErrorTrip MEMBER pdsSupplyErrorTrip)
+  Q_PROPERTY (bool mdsOverVoltageTrip MEMBER mdsOverVoltageTrip)
+  Q_PROPERTY (bool mdsUnderVoltageTrip MEMBER mdsUnderVoltageTrip)
+  Q_PROPERTY (bool supplyOverVoltageTrip MEMBER supplyOverVoltageTrip)
+  Q_PROPERTY (bool supplyUnderVoltageTrip MEMBER supplyUnderVoltageTrip)
+  Q_PROPERTY (bool eFuseOverCurrentTrip MEMBER eFuseOverCurrentTrip)
+  Q_PROPERTY (
+      bool eFuseInputVoltageErrorTrip MEMBER eFuseInputVoltageErrorTrip)
+  Q_PROPERTY (bool eFuseFaultTrip MEMBER eFuseFaultTrip)
+  Q_PROPERTY (bool flashFaultyTrip MEMBER flashFaultyTrip)
+  Q_PROPERTY (bool flashChecksumErrorTrip MEMBER flashChecksumErrorTrip)
+  Q_PROPERTY (float dutyCycle MEMBER dutyCycle)
+  Q_PROPERTY (float pwmFrequency MEMBER pwmFrequency)
+  Q_PROPERTY (int drive MEMBER drive)
+  Q_PROPERTY (float nozzleDriveFrequency MEMBER nozzleDriveFrequency)
+  Q_PROPERTY (float nozzleDriveDutyCycle MEMBER nozzleDriveDutyCycle)
+  Q_PROPERTY (int onTimeSeconds MEMBER onTimeSeconds)
+
+  /* Level 2 fields (32-62) */
+  Q_PROPERTY (int accelerometerId MEMBER accelerometerId)
+  Q_PROPERTY (QString mcuId MEMBER mcuId)
+  Q_PROPERTY (QString flashMemoryId MEMBER flashMemoryId)
+  Q_PROPERTY (
+      int temperatureSensorSerialNumber MEMBER temperatureSensorSerialNumber)
+  Q_PROPERTY (QString mcuHardwareVersion MEMBER mcuHardwareVersion)
+  Q_PROPERTY (QString mcuFirmwareVersion MEMBER mcuFirmwareVersion)
+  Q_PROPERTY (QString mcuFirmwareVariant MEMBER mcuFirmwareVariant)
+  Q_PROPERTY (QString fpgaHardwareVersion MEMBER fpgaHardwareVersion)
+  Q_PROPERTY (QString fpgaFirmwareVersion MEMBER fpgaFirmwareVersion)
+  Q_PROPERTY (QString bootloaderVersion MEMBER bootloaderVersion)
+  Q_PROPERTY (float maxAllowedTemperature MEMBER maxAllowedTemperature)
+  Q_PROPERTY (float pdsVoltageMax MEMBER pdsVoltageMax)
+  Q_PROPERTY (float pdsVoltageMin MEMBER pdsVoltageMin)
+  Q_PROPERTY (float pdsVoltageSetting MEMBER pdsVoltageSetting)
+  Q_PROPERTY (float mdsVoltageMax MEMBER mdsVoltageMax)
+  Q_PROPERTY (float mdsVoltageMin MEMBER mdsVoltageMin)
+  Q_PROPERTY (float eFuseCurrentMax MEMBER eFuseCurrentMax)
+  Q_PROPERTY (QString measuredHardwareVersion MEMBER measuredHardwareVersion)
+  Q_PROPERTY (int gyroX MEMBER gyroX)
+  Q_PROPERTY (int gyroY MEMBER gyroY)
+  Q_PROPERTY (int gyroZ MEMBER gyroZ)
+  Q_PROPERTY (int accelerationX MEMBER accelerationX)
+  Q_PROPERTY (int accelerationY MEMBER accelerationY)
+  Q_PROPERTY (int accelerationZ MEMBER accelerationZ)
+  Q_PROPERTY (int purge MEMBER purge)
+  Q_PROPERTY (int purgeState MEMBER purgeState)
+  Q_PROPERTY (int purgeDelay MEMBER purgeDelay)
+  Q_PROPERTY (int purgeCounter MEMBER purgeCounter)
+  Q_PROPERTY (int cleaningStartPeriod MEMBER cleaningStartPeriod)
+  Q_PROPERTY (int cleaningEndPeriod MEMBER cleaningEndPeriod)
+  Q_PROPERTY (int cleaningStepPeriod MEMBER cleaningStepPeriod)
+  Q_PROPERTY (int cleaningPeriod MEMBER cleaningPeriod)
+
+public:
+  int controllerId = 0;
+  int statusLevel = 0;
+  int printheadId = 0;
+
+  /* Level 1 */
+  float temperature = 0;
+  float humidity = 0;
+  float mcuTemperature = 0;
+  float pdsVoltage = 0;
+  float mdsVoltage = 0;
+  float systemVoltage = 0;
+  float eFuseCurrent = 0;
+  float nozzleCurrent = 0;
+  float vdd = 0;
+  bool temperatureTrip = false;
+  bool pdsOverVoltageTrip = false;
+  bool pdsUnderVoltageTrip = false;
+  bool pdsSupplyErrorTrip = false;
+  bool mdsOverVoltageTrip = false;
+  bool mdsUnderVoltageTrip = false;
+  bool supplyOverVoltageTrip = false;
+  bool supplyUnderVoltageTrip = false;
+  bool eFuseOverCurrentTrip = false;
+  bool eFuseInputVoltageErrorTrip = false;
+  bool eFuseFaultTrip = false;
+  bool flashFaultyTrip = false;
+  bool flashChecksumErrorTrip = false;
+  float dutyCycle = 0;
+  float pwmFrequency = 0;
+  int drive = 0;
+  float nozzleDriveFrequency = 0;
+  float nozzleDriveDutyCycle = 0;
+  int onTimeSeconds = 0;
+
+  /* Level 2 */
+  int accelerometerId = 0;
+  QString mcuId;
+  QString flashMemoryId;
+  int temperatureSensorSerialNumber = 0;
+  QString mcuHardwareVersion;
+  QString mcuFirmwareVersion;
+  QString mcuFirmwareVariant;
+  QString fpgaHardwareVersion;
+  QString fpgaFirmwareVersion;
+  QString bootloaderVersion;
+  float maxAllowedTemperature = 0;
+  float pdsVoltageMax = 0;
+  float pdsVoltageMin = 0;
+  float pdsVoltageSetting = 0;
+  float mdsVoltageMax = 0;
+  float mdsVoltageMin = 0;
+  float eFuseCurrentMax = 0;
+  QString measuredHardwareVersion;
+  int gyroX = 0;
+  int gyroY = 0;
+  int gyroZ = 0;
+  int accelerationX = 0;
+  int accelerationY = 0;
+  int accelerationZ = 0;
+  int purge = 0;
+  int purgeState = 0;
+  int purgeDelay = 0;
+  int purgeCounter = 0;
+  int cleaningStartPeriod = 0;
+  int cleaningEndPeriod = 0;
+  int cleaningStepPeriod = 0;
+  int cleaningPeriod = 0;
+
+  /** Parse from EV_STATUS_MSG_PH params (after command token). */
+  static Xpl2PhStatus fromParams (const QVariantList &params);
+};