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SUBSYSTEM=="usb", ATTR{idVendor}=="08f2", ATTR{idProduct}=="6811", MODE="0666", RUN+="/usr/local/bin/tablet_setup.py"

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#!/usr/bin/env python3
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import usb1
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import time
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import sys
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import subprocess
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VENDOR_ID = 0x08F2
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PRODUCT_ID = 0x6811
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# 通过逆向 Android 设置工具得到
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NORMAL_MODE_REPORTS = [
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    [0x08, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
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    [0x08, 0x01, 0x00, 0xFF, 0xF0, 0x00, 0xFF, 0xF0]
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]
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def reset_usb():
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    try:
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        subprocess.run(
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            ["usbreset", f"{VENDOR_ID:04x}:{PRODUCT_ID:04x}"],
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            capture_output=True, text=True
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        )
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        time.sleep(2)
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    except:
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        pass
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def main():
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    reset_usb()
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    with usb1.USBContext() as ctx:
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        d = ctx.openByVendorIDAndProductID(VENDOR_ID, PRODUCT_ID, skip_on_error=True)
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        if not d:
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            return 1
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        i = 2
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        try:
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            if d.kernelDriverActive(i):
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                try: d.detachKernelDriver(i)
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                except: pass
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            d.claimInterface(i)
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            for r in NORMAL_MODE_REPORTS:
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                try:
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                    d.controlWrite(0x21, 0x09, 0x0300 | r[0], i, bytes(r), 1000)
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                except: pass
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                time.sleep(0.3)
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            d.controlWrite(0x21, 0x09, 0x0308, i, bytes([0x08, 0x01, 0, 0, 0, 0, 0, 0]), 1000)
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        except:
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            return 1
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        finally:
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            try: d.releaseInterface(i)
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            except: pass
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            try: d.attachKernelDriver(i)
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            except: pass
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            reset_usb()
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    return 0
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if __name__ == "__main__":
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    sys.exit(main())