Logitech Craft is almost mapped, but I need help with fine scrolling.

Configuration Help & General Discussion
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3

That Powermate code did the trick!

I had to use a different reference for rotation direction, because Index 19 was throwing positives and negatives. It probably will need a little refinement, but for now, this code is doing what I need, with a coarse step scroll, a fine step scroll, and a double-touch trigger. I still want to add something for the super-fine control nudge-movement, but I'll try this for a while.

Touch
TouchRelease
DoubleTouch
Press
PressHoldStatic
PressRelease
StepCW
StepCCW
PressStepCW
PressStepCCW
FineCW
FineCCW
PressFineCW
PressFineCCW

// Enter your input analyzer script here. 
// Do not change the function signatures
function analyzeDeviceInput(targetDevice, reportID, reportDataHex) {      
let reportBuffer = buffer.Buffer.from(reportDataHex, 'hex');
// the values you see above are in hex format. To read such a byte
// use readUInt8(index).
// Index 0 is crown press state. 1 = press, 0 = release.
    crownpress = reportBuffer.readUInt8(10),
    // Index 1 is amount of movement since last report.
    // Signed value, positive for right, negative for left.
    // Spinning really fast I have observed a value up to +/- 7,
    // lets assume it will never be larger than 9.
    movement = reportBuffer.readInt8(19),
    direction = reportBuffer.readInt8(5)
    ratchetstep = reportBuffer.readInt8(6),
    touch = reportBuffer.readInt8(8),
    doubletouch = reportBuffer.readInt8(9);



if ( direction < 0 ) {
    if ( crownpress == 04 ) {
        log('fineccw ' + movement  + ' pressed');
        // We should probably repeat the trigger "movement" times ...
        // but that would be too many triggers :)
        bttTriggerDeviceTrigger(targetDevice, 'PressFineCCW');
    } else if ( crownpress == 00  && touch == 02) {
        log('fineccw ' + movement);
        bttTriggerDeviceTrigger(targetDevice, 'FineCCW');
    }
    // If we are spinning we want the next report even if it's the same
    bttGetNextEvenWithoutChange(targetDevice, reportID);
}
else if( direction > 0 ) {
    if ( crownpress == 04 ) {
        log('finecw ' + movement + ' pressed');
        bttTriggerDeviceTrigger(targetDevice, 'PressFineCW');
    } else if ( crownpress == 00  && touch == 02){
        log('finecw ' + movement);
        bttTriggerDeviceTrigger(targetDevice, 'FineCW');
    }
    bttGetNextEvenWithoutChange(targetDevice, reportID);
}

//Touch events
if ( touch == 03 && doubletouch == 01 ) {
        log('doubletouch');
        // Tap the crown twice without pushing it.
        bttTriggerDeviceTrigger(targetDevice, 'DoubleTouch');
        }

if(reportBuffer.readUInt8(8) === 0x01) {
    log('touch');
    bttTriggerDeviceTrigger(targetDevice, 'Touch');
}else if(reportBuffer.readUInt8(8) === 0x03) {
    log('touchrelease');
    bttTriggerDeviceTrigger(targetDevice, 'TouchRelease');
}

 //Press events
if(reportBuffer.readUInt8(10) === 0x01) {
    log('press');
    bttTriggerDeviceTrigger(targetDevice, 'Press');
}else if(reportBuffer.readUInt8(10) === 0x03) {
    log('pressholdstatic');
    bttTriggerDeviceTrigger(targetDevice, 'PressHoldStatic');
}else if(reportBuffer.readUInt8(10) === 0x05) {
    log('pressrelease');
    bttTriggerDeviceTrigger(targetDevice, 'PressRelease');
}

//StepEvents

    if(reportBuffer.readUInt8(8) === 2 && reportBuffer.readUInt8(6) === 0x01 && reportBuffer.readUInt8(10) === 0x00) {
    log('stepcw');
    bttTriggerDeviceTrigger(targetDevice, 'StepCW');
}else if(reportBuffer.readUInt8(8) === 2 && reportBuffer.readUInt8(6) === 0xff && reportBuffer.readUInt8(10) === 0x00) {
    log('stepccw');
    bttTriggerDeviceTrigger(targetDevice, 'StepCCW');
}
    if(reportBuffer.readUInt8(8) === 2 && reportBuffer.readUInt8(6) === 0x01 && reportBuffer.readUInt8(10) === 0x04) {
    log('pressstepcw');
    bttTriggerDeviceTrigger(targetDevice, 'PressStepCW');
}else if(reportBuffer.readUInt8(8) === 2 && reportBuffer.readUInt8(6) === 0xff && reportBuffer.readUInt8(10) === 0x04) {
    log('pressstepccw');
    bttTriggerDeviceTrigger(targetDevice, 'PressStepCCW');
}
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