试试下边这个描述符Sample Report Descriptor for a Touch Digitizer Device (Windows 7)
https://docs.microsoft.com/zh-cn ... ch-digitizer-device
- 0x05, 0x0d, // USAGE_PAGE (Digitizers)
- 0x09, 0x04, // USAGE (Touch Screen)
- 0xa1, 0x01, // COLLECTION (Application)
- 0x85, REPORTID_TOUCH, // REPORT_ID (Touch)
- 0x09, 0x20, // USAGE (Stylus)
- 0xa1, 0x00, // COLLECTION (Physical)
- 0x09, 0x42, // USAGE (Tip Switch)
- 0x15, 0x00, // LOGICAL_MINIMUM (0)
- 0x25, 0x01, // LOGICAL_MAXIMUM (1)
- 0x75, 0x01, // REPORT_SIZE (1)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x02, // INPUT (Data,Var,Abs)
- 0x95, 0x03, // REPORT_COUNT (3)
- 0x81, 0x03, // INPUT (Cnst,Ary,Abs)
- 0x09, 0x32, // USAGE (In Range)
- 0x09, 0x47, // USAGE (Confidence)
- 0x95, 0x02, // REPORT_COUNT (2)
- 0x81, 0x02, // INPUT (Data,Var,Abs)
- 0x95, 0x0a, // REPORT_COUNT (10)
- 0x81, 0x03, // INPUT (Cnst,Ary,Abs)
- 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
- 0x26, 0xff, 0x7f, // LOGICAL_MAXIMUM (32767)
- 0x75, 0x10, // REPORT_SIZE (16)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0xa4, // PUSH
- 0x55, 0x0d, // UNIT_EXPONENT (-3)
- 0x65, 0x00, // UNIT (None)
- 0x09, 0x30, // USAGE (X)
- 0x35, 0x00, // PHYSICAL_MINIMUM (0)
- 0x46, 0x00, 0x00, // PHYSICAL_MAXIMUM (0)
- 0x81, 0x02, // INPUT (Data,Var,Abs)
- 0x09, 0x31, // USAGE (Y)
- 0x46, 0x00, 0x00, // PHYSICAL_MAXIMUM (0)
- 0x81, 0x02, // INPUT (Data,Var,Abs)
- 0xb4, // POP
- 0x05, 0x0d, // USAGE PAGE (Digitizers)
- 0x09, 0x48, // USAGE (Width)
- 0x09, 0x49, // USAGE (Height)
- 0x95, 0x02, // REPORT_COUNT (2)
- 0x81, 0x02, // INPUT (Data,Var,Abs)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x03, // INPUT (Cnst,Ary,Abs)
- 0xc0, // END_COLLECTION
- 0xc0, // END_COLLECTION
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