我在 Ubuntu 中使用 Digimend 运行 Huion 图形表。它在大多数情况下都能正常工作，但在没有压力控制的软件上，只要笔尖轻轻触碰平板电脑源表面，就会开始绘制一条线。我怎样才能设置压力阈值，以便只有当我在平板电脑上施加一定的力时才会绘制线条？我尝试查看 xinput 属性，但我的设备显示了很多子设备，每个子设备都有很多属性……
具体来说，列表如下：
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ETPS/2 Elantech Touchpad id=11 [slave pointer (2)]
⎜ ↳ ETPS/2 Elantech TrackPoint id=12 [slave pointer (2)]
⎜ ↳ YSPRINGTECH USB OPTICAL MOUSE id=14 [slave pointer (2)]
⎜ ↳ HUION Huion Tablet Pad pad id=15 [slave pointer (2)]
⎜ ↳ HUION Huion Tablet Dial id=16 [slave pointer (2)]
⎜ ↳ HUION Huion Tablet Touch Ring pad id=18 [slave pointer (2)]
⎜ ↳ HUION Huion Tablet Pen stylus id=19 [slave pointer (2)]
⎜ ↳ HUION Huion Tablet Pen stylus id=20 [slave pointer (2)]
⎜ ↳ HUION Huion Tablet Pen eraser id=21 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ Integrated Camera: Integrated C id=9 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=10 [slave keyboard (3)]
↳ ThinkPad Extra Buttons id=13 [slave keyboard (3)]
↳ HUION Huion Tablet Dial id=17 [slave keyboard (3)]
这些是“pad pad”和“stylus”的属性：
Device 'HUION Huion Tablet Pad pad':
Device Enabled (164): 1
Coordinate Transformation Matrix (166): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (297): 0
Device Accel Constant Deceleration (298): 1.000000
Device Accel Adaptive Deceleration (299): 1.000000
Device Accel Velocity Scaling (300): 10.000000
Device Node (289): "/dev/input/event17"
Wacom Serial IDs (426): 109, -1, 15, -1, 15
Wacom Serial ID binding (772): 0
Wacom Pressure Threshold (773): 0
Wacom Sample and Suppress (774): 2, 4
Wacom Enable Touch (775): 1
Wacom Enable Touch Gesture (776): 0
Wacom Touch Gesture Parameters (777): 0, 0, 250
Wacom Tool Type (431): "PAD" (429)
Wacom Button Actions (778): "Wacom button action 0" (779), "Wacom button action 1" (780), "Wacom button action 2" (781), "None" (0), "None" (0), "None" (0), "None" (0), "Wacom button action 3" (782), "Wacom button action 4" (783), "Wacom button action 5" (784), "Wacom button action 6" (785), "Wacom button action 7" (786), "Wacom button action 8" (787), "Wacom button action 9" (788), "Wacom button action 10" (789), "Wacom button action 11" (790), "Wacom button action 12" (791)
Wacom button action 0 (779): 1572865
Wacom button action 1 (780): 1572866
Wacom button action 2 (781): 1572867
Wacom button action 3 (782): 1572872
Wacom button action 4 (783): 1572873
Wacom button action 5 (784): 1572874
Wacom button action 6 (785): 1572875
Wacom button action 7 (786): 1572876
Wacom button action 8 (787): 1572877
Wacom button action 9 (788): 1572878
Wacom button action 10 (789): 1572879
Wacom button action 11 (790): 1572880
Wacom button action 12 (791): 1572881
Wacom Strip Buttons (792): "Button StripLeftUp action" (819), "Button StripLeftDown action" (820), "Button StripRightUp action" (821), "Button StripRightDown action" (822)
Wacom strip action 0 (793): 1572868
Wacom strip action 1 (794): 1572869
Wacom strip action 2 (795): 1572868
Wacom strip action 3 (796): 1572869
Wacom Wheel Buttons (797): "Button AbsWheelUp action" (813), "Button AbsWheelDown action" (814), "Button RelWheelUp action" (815), "Button RelWheelDown action" (816), "Button AbsWheel2Up action" (817), "Button AbsWheel2Down action" (818)
Wacom wheel action 0 (798): 1572869
Wacom wheel action 1 (799): 1572868
Wacom wheel action 2 (800): 1572868
Wacom wheel action 3 (801): 1572869
Wacom wheel action 4 (802): 1572868
Wacom wheel action 5 (803): 1572869
Wacom Panscroll Threshold (804): 13
Device Product ID (290): 9580, 109
Wacom Debug Levels (805): 0, 0
Button AbsWheelUp action (813): 1572954, 524378
Button AbsWheelDown action (814): 1572955, 524379
Button RelWheelUp action (815): 1572954, 524378
Button RelWheelDown action (816): 1572955, 524379
Button AbsWheel2Up action (817): 1572956, 524380
Button AbsWheel2Down action (818): 1572957, 524381
Button StripLeftUp action (819): 1572958, 524382
Button StripLeftDown action (820): 1572959, 524383
Button StripRightUp action (821): 1572960, 524384
Button StripRightDown action (822): 1572961, 524385
Device 'HUION Huion Tablet Pen stylus':
Device Enabled (164): 1
Coordinate Transformation Matrix (166): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (297): 0
Device Accel Constant Deceleration (298): 1.000000
Device Accel Adaptive Deceleration (299): 1.000000
Device Accel Velocity Scaling (300): 10.000000
Device Node (289): "/dev/input/event16"
Wacom Tablet Area (808): 0, 0, 55880, 34925
Wacom Rotation (809): 0
Wacom Pressurecurve (810): 0, 0, 100, 100
Wacom Serial IDs (426): 109, 1, 2, 0, 0
Wacom Serial ID binding (772): 0
Wacom Pressure Threshold (773): 27
Wacom Sample and Suppress (774): 2, 4
Wacom Enable Touch (775): 1
Wacom Hover Click (811): 1
Wacom Enable Touch Gesture (776): 0
Wacom Touch Gesture Parameters (777): 0, 0, 250
Wacom Tool Type (431): "STYLUS" (427)
Wacom Button Actions (778): "Wacom button action 0" (779), "Wacom button action 1" (780), "Wacom button action 2" (781), "None" (0), "None" (0), "None" (0), "None" (0), "Wacom button action 3" (782)
Wacom button action 0 (779): 1572865
Wacom button action 1 (780): 1572866
Wacom button action 2 (781): 1572867
Wacom button action 3 (782): 1572872
Wacom Pressure Recalibration (812): 1
Wacom Panscroll Threshold (804): 2600
Device Product ID (290): 9580, 109
Wacom Debug Levels (805): 0, 0
谢谢