EscIndicator.qml

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import QtQuick
import QtQuick.Layouts
 
import QGroundControl
import QGroundControl.Controls
 
Item {
    id:             control
    anchors.top:    parent.top
    anchors.bottom: parent.bottom
    width:          escIndicatorRow.width
 
    property bool showIndicator: _escs.count > 0
 
    property var  _activeVehicle:   QGroundControl.multiVehicleManager.activeVehicle
    property var  _escs:            _activeVehicle ? _activeVehicle.escs : null
 
    // ESC status properties derived from vehicle data
    property int    _motorCount:        _escs && _escs.count > 0 ? _escs.get(0).count.rawValue : 0
    property int    _onlineBitmask:       _escs && _escs.count > 0? _escs.get(0).info.rawValue : 0
 
    property int    _onlineMotorCount:  _getOnlineMotorCount()
    property bool   _escHealthy:        _getEscHealthStatus()
 
    function _getOnlineMotorCount() {
        if (_motorCount === 0) return 0;
 
        let count = 0;
        let mask = _onlineBitmask;
 
        // Count all set bits in the bitmask
        while (mask) {
            count += mask & 1;
            mask >>= 1;
        }
 
        return count;
    }
 
    function _getEscHealthStatus() {
        // Health is good if all expected motors are online and have no failure flags
        if (_onlineMotorCount !== _motorCount) return false
 
        // Check failure flags for each motor (4 per group)
        for (let index = 0; index < 4; index++) {
            if ((_onlineBitmask & (1 << index)) !== 0) { // Motor is online
                if (_escs.get(index).failureFlags > 0) { // Any failure flag set means unhealthy
                    return false
                }
            }
        }
 
        return true
    }
 
    function getEscStatusColor() {
        return _escHealthy ? qgcPal.colorGreen : qgcPal.colorRed
    }
 
    QGCPalette { id: qgcPal }
 
    Row {
        id:             escIndicatorRow
        anchors.top:    parent.top
        anchors.bottom: parent.bottom
        spacing:        ScreenTools.defaultFontPixelWidth / 2
 
        QGCColoredImage {
            id:                 escIcon
            width:              height
            anchors.top:        parent.top
            anchors.bottom:     parent.bottom
            source:             "/qmlimages/EscIndicator.svg"
            fillMode:           Image.PreserveAspectFit
            sourceSize.height:  height
            color:              qgcPal.windowTransparentText
        }
 
        Column {
            id:                     escValuesColumn
            anchors.verticalCenter: parent.verticalCenter
            spacing:                0
 
            QGCLabel {
                anchors.horizontalCenter:   parent.horizontalCenter
                color:                      qgcPal.windowTransparentText
                text:                       _onlineMotorCount.toString()
                font.pointSize:             ScreenTools.smallFontPointSize
            }
 
            QGCLabel {
                color:          getEscStatusColor()
                text:           _escHealthy ? qsTr("OK") : qsTr("ERR")
                font.pointSize: ScreenTools.smallFontPointSize
            }
        }
    }
 
    MouseArea {
        anchors.fill:   parent
        onClicked:      mainWindow.showIndicatorDrawer(escIndicatorPage, control)
    }
 
    Component {
        id: escIndicatorPage
 
        EscIndicatorPage { }
    }
}