From nobody Thu Aug 12 03:37:02 2021 X-Original-To: usb@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 8F73B137EFA2 for ; Thu, 12 Aug 2021 03:37:10 +0000 (UTC) (envelope-from mark@kane.mn) Received: from stinger.tntpowerhost.com (stinger.tntpowerhost.com [104.128.58.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "stinger.tntpowerhost.com", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GlXS631Rxz3MSD; Thu, 12 Aug 2021 03:37:09 +0000 (UTC) (envelope-from mark@kane.mn) Received: from stinger.tntpowerhost.com (localhost [127.0.0.1]) by stinger.tntpowerhost.com (OpenSMTPD) with ESMTP id b54bdd80; Wed, 11 Aug 2021 22:37:02 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kane.mn; h= mime-version:date:from:to:cc:subject:in-reply-to:references :message-id:content-type:content-transfer-encoding; s=stinger; bh=P0cBhQEeegs51QhP0xiJ5oB/jhEW/GwMHhuhNdHgX/0=; b=CnPXO3M44k/w 9K1OR5c2EXsEBdzWYNZcRC6kf3t2bn93i7Zg2oDb0OjiKhGlSpmed/JXG8++qFJu 7CVXvSSHv4KCaurFMHAQ1r+ISUaUpxdjGTmR2aPUVBFDc9UaJqFq5DwgT8IdKV2R ALXepLUtqZNI3BUce7a0k9ma/M/vKU0= Received: from stinger.tntpowerhost.com (localhost [127.0.0.1]) by stinger.tntpowerhost.com (OpenSMTPD) with ESMTPSA id 150d0b59 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Wed, 11 Aug 2021 22:37:02 -0500 (CDT) List-Id: FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-usb List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-usb@freebsd.org X-BeenThere: freebsd-usb@freebsd.org MIME-Version: 1.0 Date: Wed, 11 Aug 2021 22:37:02 -0500 From: Mark Kane To: Vladimir Kondratyev Cc: usb@freebsd.org, hps@selasky.org Subject: Re: eGalax USB touchscreen issues In-Reply-To: <12706f32-be2e-1cda-5d90-53b4e80b0b52@FreeBSD.org> References: <324d49ca-1c0e-659d-194d-ece4d5f7f5e2@FreeBSD.org> <0ae3fec48e2c351d2c006f4ba4932cd7@kane.mn> <166dd4d4-24cd-c24b-d75e-9a34fa734358@FreeBSD.org> <36983ce5-8358-5a04-2377-46067d3c3c79@FreeBSD.org> <59ba07a0ecbdac36746fe18ea5f0559f@kane.mn> <92c855bf-a73a-bae5-fcdc-c5a88008739b@FreeBSD.org> <5e8cd8d75deff98e8db3352001ce8432@kane.mn> <858ac67e-14e2-730c-4a16-ca218e2c0bee@FreeBSD.org> <168b368c-3258-6416-42c5-a722e45bf14b@FreeBSD.org> <12706f32-be2e-1cda-5d90-53b4e80b0b52@FreeBSD.org> User-Agent: Roundcube Webmail/1.4.6 Message-ID: <3bfc252a7ef55b21d5e51c251a518d78@kane.mn> X-Sender: mark@kane.mn Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4GlXS631Rxz3MSD X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On 2021-08-11 17:12, Vladimir Kondratyev wrote: > On 10.08.2021 07:03, Mark Kane wrote: >> # usbhid-dump >> 000:003:000:DESCRIPTOR         1628551474.564813 >>  8D 0F 00 09 42 09 32 15 00 25 01 95 02 75 01 81 >>  02 95 06 75 01 81 03 05 01 09 30 75 10 95 01 A4 >>  55 00 65 00 36 00 00 46 00 00 16 1E 00 26 C8 0F >>  81 02 09 31 16 3C 00 26 > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > This one looks like corrupted fragment of touch device HID report > descriptor. Check wires, USB port, device itself and so on. Most > probably, it is a standard eGalax HID device with some USB transport > problems. That is very interesting and a good catch. I have been using the same cable and USB port across all tests for consistency. This same #2 screen connected with the same cable to an identical machine running Linux 4.4.0-104 we get a much longer HID report descriptor: linux# lsusb Bus 001 Device 005: ID 05e3:0608 Genesys Logic, Inc. Hub Bus 001 Device 004: ID 04ca:004f Lite-On Technology Corp. SK-9020 keyboard Bus 001 Device 003: ID 0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen Bus 001 Device 002: ID 8087:07e6 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub linux# usbhid-dump 001:004:001:DESCRIPTOR 1628727550.064013 05 0C 09 01 A1 01 85 01 19 00 2A 3C 02 15 00 26 3C 02 95 01 75 10 81 00 C0 05 01 09 80 A1 01 85 02 19 81 29 83 25 01 75 01 95 03 81 02 95 05 81 01 C0 001:004:000:DESCRIPTOR 1628727550.066916 05 01 09 06 A1 01 05 07 19 E0 29 E7 15 00 25 01 95 08 75 01 81 02 95 08 75 01 81 01 05 08 19 01 29 03 95 03 75 01 91 02 95 01 75 05 91 01 05 07 19 00 2A FF 00 15 00 26 FF 00 95 06 75 08 81 00 C0 001:003:000:DESCRIPTOR 1628727550.070850 05 01 09 01 A1 01 85 01 09 01 A1 00 05 09 19 01 29 02 15 00 25 01 95 02 75 01 81 02 95 01 75 06 81 01 05 01 09 30 09 31 16 2A 00 26 BD 07 36 00 00 46 FF 0F 66 00 00 75 10 95 02 81 02 C0 C0 05 0D 09 04 A1 01 85 02 09 20 A1 00 09 42 09 32 15 00 25 01 95 02 75 01 81 02 95 06 75 01 81 03 05 01 09 30 75 10 95 01 A4 55 00 65 00 36 00 00 46 00 00 16 1E 00 26 C8 0F 81 02 09 31 16 3C 00 26 C3 0F 36 00 00 46 00 00 81 02 B4 C0 C0 linux# Touch on this screen fully works on Linux using the binary EETI driver. Could there be something different about the USB controller in some of these screens that is causing the corruption on FreeBSD? If there is any other info to gather from either install I'm happy to. Here are some other tests with the patches. All that don't work have the same shorter descriptor report. Jul 2011 - doesn't work, same truncated report descriptor Sep 2011 - doesn't work, same truncated report descriptor Nov 2012 - doesn't work, same truncated report descriptor Mar 2013 - doesn't work, same truncated report descriptor Jul 2013 - doesn't work, same truncated report descriptor Sep 2014 - works with patches Sep 2014 #2 - works with patches Nov 2014 - works with patches Feb 2015 - works with patches Oct 2018 - works with patches Oct 2018 #2 - works with patches Feb 2020 - works with patches Feb 2020 - works with patches Feb 2021 - works with patches And some more data from Linux in case it is helpful. event5 didn't hear events, event7 and event14 both did: linux# evemu-record Available devices: /dev/input/event0: Power Button /dev/input/event1: Sleep Button /dev/input/event2: Power Button /dev/input/event3: Lite-On Technology Corp. USB Multimedia Keyboard /dev/input/event4: Lite-On Technology Corp. USB Multimedia Keyboard /dev/input/event5: eGalax Inc. USB TouchController /dev/input/event6: Video Bus /dev/input/event7: eGalax Inc. USB TouchController /dev/input/event8: HDA Intel PCH Mic /dev/input/event9: HDA Intel PCH Line Out /dev/input/event10: HDA Intel PCH Headphone /dev/input/event11: HDA Intel PCH HDMI/DP,pcm=3 /dev/input/event12: HDA Intel PCH HDMI/DP,pcm=7 /dev/input/event13: HDA Intel PCH HDMI/DP,pcm=8 /dev/input/event14: eGalaxTouch Virtual Device for Single Select the device event number [0-14]: 7 # EVEMU 1.2 # Input device name: "eGalax Inc. USB TouchController" # Input device ID: bus 0x03 vendor 0xeef product 0x01 version 0x210 # Supported events: # Event type 0 (EV_SYN) # Event code 0 (SYN_REPORT) # Event code 1 (SYN_CONFIG) # Event code 2 (SYN_MT_REPORT) # Event code 3 (SYN_DROPPED) # Event code 4 ((null)) # Event code 5 ((null)) # Event code 6 ((null)) # Event code 7 ((null)) # Event code 8 ((null)) # Event code 9 ((null)) # Event code 10 ((null)) # Event code 11 ((null)) # Event code 12 ((null)) # Event code 13 ((null)) # Event code 14 ((null)) # Event type 1 (EV_KEY) # Event code 320 (BTN_TOOL_PEN) # Event code 330 (BTN_TOUCH) # Event type 3 (EV_ABS) # Event code 0 (ABS_X) # Value 2069 # Min 30 # Max 4040 # Fuzz 0 # Flat 0 # Resolution 0 # Event code 1 (ABS_Y) # Value 2503 # Min 60 # Max 4035 # Fuzz 0 # Flat 0 # Resolution 0 # Event type 4 (EV_MSC) # Event code 4 (MSC_SCAN) # Properties: N: eGalax Inc. USB TouchController I: 0003 0eef 0001 0210 P: 00 00 00 00 00 00 00 00 B: 00 0b 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 01 04 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 02 00 00 00 00 00 00 00 00 B: 03 03 00 00 00 00 00 00 00 B: 04 10 00 00 00 00 00 00 00 B: 05 00 00 00 00 00 00 00 00 B: 11 00 00 00 00 00 00 00 00 B: 12 00 00 00 00 00 00 00 00 B: 14 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 A: 00 30 4040 0 0 0 A: 01 60 4035 0 0 0 ################################ # Waiting for events # ################################ E: 0.000000 0004 0004 852034 # EV_MSC / MSC_SCAN 852034 E: 0.000000 0001 014a 0001 # EV_KEY / BTN_TOUCH 1 E: 0.000000 0003 0000 1533 # EV_ABS / ABS_X 1533 E: 0.000000 0003 0001 2343 # EV_ABS / ABS_Y 2343 E: 0.000000 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.006000 0003 0001 2345 # EV_ABS / ABS_Y 2345 E: 0.006000 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.010005 0003 0000 1532 # EV_ABS / ABS_X 1532 E: 0.010005 0003 0001 2358 # EV_ABS / ABS_Y 2358 E: 0.010005 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.016010 0003 0000 1529 # EV_ABS / ABS_X 1529 E: 0.016010 0003 0001 2370 # EV_ABS / ABS_Y 2370 E: 0.016010 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.021998 0003 0000 1528 # EV_ABS / ABS_X 1528 E: 0.021998 0003 0001 2378 # EV_ABS / ABS_Y 2378 E: 0.021998 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.028003 0003 0000 1527 # EV_ABS / ABS_X 1527 E: 0.028003 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.034000 0003 0000 1526 # EV_ABS / ABS_X 1526 E: 0.034000 0003 0001 2382 # EV_ABS / ABS_Y 2382 E: 0.034000 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.042003 0003 0001 2387 # EV_ABS / ABS_Y 2387 E: 0.042003 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.050018 0003 0000 1525 # EV_ABS / ABS_X 1525 E: 0.050018 0003 0001 2386 # EV_ABS / ABS_Y 2386 E: 0.050018 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.058013 0003 0000 1524 # EV_ABS / ABS_X 1524 E: 0.058013 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.074006 0003 0000 1523 # EV_ABS / ABS_X 1523 E: 0.074006 0003 0001 2387 # EV_ABS / ABS_Y 2387 E: 0.074006 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.089999 0003 0001 2388 # EV_ABS / ABS_Y 2388 E: 0.089999 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.123988 0003 0000 1522 # EV_ABS / ABS_X 1522 E: 0.123988 0003 0001 2395 # EV_ABS / ABS_Y 2395 E: 0.123988 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.139999 0003 0001 2405 # EV_ABS / ABS_Y 2405 E: 0.139999 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.156001 0003 0000 1523 # EV_ABS / ABS_X 1523 E: 0.156001 0003 0001 2403 # EV_ABS / ABS_Y 2403 E: 0.156001 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.172000 0003 0000 1524 # EV_ABS / ABS_X 1524 E: 0.172000 0003 0001 2393 # EV_ABS / ABS_Y 2393 E: 0.172000 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.187999 0003 0000 1527 # EV_ABS / ABS_X 1527 E: 0.187999 0003 0001 2392 # EV_ABS / ABS_Y 2392 E: 0.187999 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.211989 0004 0004 852034 # EV_MSC / MSC_SCAN 852034 E: 0.211989 0001 014a 0000 # EV_KEY / BTN_TOUCH 0 E: 0.211989 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- ^Clinux# evemu-record Available devices: /dev/input/event0: Power Button /dev/input/event1: Sleep Button /dev/input/event2: Power Button /dev/input/event3: Lite-On Technology Corp. USB Multimedia Keyboard /dev/input/event4: Lite-On Technology Corp. USB Multimedia Keyboard /dev/input/event5: eGalax Inc. USB TouchController /dev/input/event6: Video Bus /dev/input/event7: eGalax Inc. USB TouchController /dev/input/event8: HDA Intel PCH Mic /dev/input/event9: HDA Intel PCH Line Out /dev/input/event10: HDA Intel PCH Headphone /dev/input/event11: HDA Intel PCH HDMI/DP,pcm=3 /dev/input/event12: HDA Intel PCH HDMI/DP,pcm=7 /dev/input/event13: HDA Intel PCH HDMI/DP,pcm=8 /dev/input/event14: eGalaxTouch Virtual Device for Single Select the device event number [0-14]: 14 # EVEMU 1.2 # Input device name: "eGalaxTouch Virtual Device for Single" # Input device ID: bus 0x06 vendor 0xeef product 0x10 version 0x01 # Supported events: # Event type 0 (EV_SYN) # Event code 0 (SYN_REPORT) # Event code 1 (SYN_CONFIG) # Event code 2 (SYN_MT_REPORT) # Event code 3 (SYN_DROPPED) # Event code 4 ((null)) # Event code 5 ((null)) # Event code 6 ((null)) # Event code 7 ((null)) # Event code 8 ((null)) # Event code 9 ((null)) # Event code 10 ((null)) # Event code 11 ((null)) # Event code 12 ((null)) # Event code 13 ((null)) # Event code 14 ((null)) # Event type 1 (EV_KEY) # Event code 272 (BTN_LEFT) # Event code 273 (BTN_RIGHT) # Event code 276 (BTN_EXTRA) # Event type 3 (EV_ABS) # Event code 0 (ABS_X) # Value 766 # Min 0 # Max 2047 # Fuzz 0 # Flat 0 # Resolution 0 # Event code 1 (ABS_Y) # Value 875 # Min 0 # Max 2047 # Fuzz 0 # Flat 0 # Resolution 0 # Event code 3 (ABS_RX) # Value 0 # Min 0 # Max 2047 # Fuzz 0 # Flat 0 # Resolution 0 # Event code 4 (ABS_RY) # Value 0 # Min 0 # Max 2047 # Fuzz 0 # Flat 0 # Resolution 0 # Properties: # Property type 1 (INPUT_PROP_DIRECT) N: eGalaxTouch Virtual Device for Single I: 0006 0eef 0010 0001 P: 02 00 00 00 00 00 00 00 B: 00 0b 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 13 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 02 00 00 00 00 00 00 00 00 B: 03 1b 00 00 00 00 00 00 00 B: 04 00 00 00 00 00 00 00 00 B: 05 00 00 00 00 00 00 00 00 B: 11 00 00 00 00 00 00 00 00 B: 12 00 00 00 00 00 00 00 00 B: 14 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 A: 00 0 2047 0 0 0 A: 01 0 2047 0 0 0 A: 03 0 2047 0 0 0 A: 04 0 2047 0 0 0 ################################ # Waiting for events # ################################ E: 0.000000 0003 0000 0650 # EV_ABS / ABS_X 650 E: 0.000000 0003 0001 1576 # EV_ABS / ABS_Y 1576 E: 0.000000 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 0.000000 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.000018 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 0.000018 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.517999 0003 0000 1328 # EV_ABS / ABS_X 1328 E: 0.517999 0003 0001 1461 # EV_ABS / ABS_Y 1461 E: 0.517999 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 0.517999 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.518116 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 0.518116 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.968004 0003 0000 0788 # EV_ABS / ABS_X 788 E: 0.968004 0003 0001 1335 # EV_ABS / ABS_Y 1335 E: 0.968004 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 0.968004 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 0.968163 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 0.968163 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 1.405991 0003 0000 0998 # EV_ABS / ABS_X 998 E: 1.405991 0003 0001 1254 # EV_ABS / ABS_Y 1254 E: 1.405991 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 1.405991 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 1.406007 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 1.406007 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 2.077987 0003 0000 1097 # EV_ABS / ABS_X 1097 E: 2.077987 0003 0001 1216 # EV_ABS / ABS_Y 1216 E: 2.077987 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 2.077987 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 2.078097 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 2.078097 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 2.527981 0003 0000 1400 # EV_ABS / ABS_X 1400 E: 2.527981 0003 0001 1393 # EV_ABS / ABS_Y 1393 E: 2.527981 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 2.527981 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 2.527999 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 2.527999 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 2.879992 0003 0000 0791 # EV_ABS / ABS_X 791 E: 2.879992 0003 0001 1276 # EV_ABS / ABS_Y 1276 E: 2.879992 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 2.879992 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 2.880014 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 2.880014 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 3.402001 0003 0000 0890 # EV_ABS / ABS_X 890 E: 3.402001 0003 0001 0894 # EV_ABS / ABS_Y 894 E: 3.402001 0001 0110 0001 # EV_KEY / BTN_LEFT 1 E: 3.402001 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- E: 3.402116 0001 0110 0000 # EV_KEY / BTN_LEFT 0 E: 3.402116 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- linux# ------- lsusb -v: Bus 001 Device 003: ID 0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0eef D-WAV Scientific Co., Ltd idProduct 0x0001 eGalax TouchScreen bcdDevice 1.00 iManufacturer 1 eGalax Inc. iProduct 2 USB TouchController iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 34 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 1 eGalax Inc. bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 No Subclass bInterfaceProtocol 0 None iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 2.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 141 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 3 Device Status: 0x0000 (Bus Powered)