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Qt Quick Ultralite freertos_multitask Example

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import QtQuick 2.15 Rectangle { id: root Image { id: background source: "images/background-dark.png" anchors.fill: root } Row { anchors.horizontalCenter: parent.horizontalCenter anchors.top: parent.top anchors.topMargin: 10 Text { color: "white" text: "Speed: " font.pixelSize: 30; } Text { color: "white" text: FanControl.speed font.pixelSize: 30; } } Text { anchors.horizontalCenter: parent.horizontalCenter anchors.bottom: parent.bottom anchors.bottomMargin: 10 color: "gray" text: "Tap to change fan and LED speed!" } Image { id: fan source: "images/fan-off.png" anchors.horizontalCenter: parent.horizontalCenter anchors.verticalCenter: parent.verticalCenter transform: Rotation { origin.x: fan.width / 2 origin.y: fan.height / 2 RotationAnimation on angle { loops: Animation.Infinite from: 0 to: 360 duration: 5000 / (FanControl.speed * 3) } } } MouseArea { id: ta anchors.fill: parent onPressed: { FanControl.updateSpeed((FanControl.speed + 1) % 6); } } }