From owner-freebsd-usb@freebsd.org Mon May 10 06:57:14 2021 Return-Path: Delivered-To: freebsd-usb@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 47B1662E432 for ; Mon, 10 May 2021 06:57:14 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FdsLK4NlPz4pCY for ; Mon, 10 May 2021 06:57:13 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 10AD22602F0; Mon, 10 May 2021 08:57:10 +0200 (CEST) Subject: Re: Touchscreen "TSTP MTouch" To: Oliver Fromme , freebsd-usb@freebsd.org References: <202105092125.149LPpcl041031@nox.thiemo.net> From: Hans Petter Selasky Message-ID: <9b7b6c13-6e85-6f5e-7fea-e8a60f611e97@selasky.org> Date: Mon, 10 May 2021 08:55:52 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <202105092125.149LPpcl041031@nox.thiemo.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4FdsLK4NlPz4pCY X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-3.30 / 15.00]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; ARC_NA(0.00)[]; SPAMHAUS_ZRD(0.00)[2a01:4f8:c17:6c4b::2:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a01:4f8:c17:6c4b::2:from]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/32, country:DE]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-usb] X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 May 2021 06:57:14 -0000 On 5/9/21 11:25 PM, Oliver Fromme wrote: > 22:56:30.540897 usbus1.5 SUBM-CTRL-EP=00000000,SPD=FULL,NFR=1,SLEN=8,IVAL=0 > frame[0] WRITE 8 bytes > 0000 21 0B 01 00 00 00 00 00 -- -- -- -- -- -- -- -- |!....... | > flags 0x10 > status 0xca1a3 After sending what appears like a HID set report request, the device stops responding. Looks like a firmware bug. Is it possible to upgrade the firmware on the touchscreen? > usb_error_t > usbd_req_set_protocol(struct usb_device *udev, struct mtx *mtx, > uint8_t iface_index, uint16_t report) > { > struct usb_interface *iface = usbd_get_iface(udev, iface_index); > struct usb_device_request req; > > if ((iface == NULL) || (iface->idesc == NULL)) { > return (USB_ERR_INVAL); > } > DPRINTFN(5, "iface=%p, report=%d, endpt=%d\n", > iface, report, iface->idesc->bInterfaceNumber); > > req.bmRequestType = UT_WRITE_CLASS_INTERFACE; > req.bRequest = UR_SET_PROTOCOL; > USETW(req.wValue, report); > req.wIndex[0] = iface->idesc->bInterfaceNumber; > req.wIndex[1] = 0; > USETW(req.wLength, 0); > return (usbd_do_request(udev, mtx, &req, 0)); > } --HPS