Date: Fri, 22 Jul 2016 12:16:07 -0500 From: Karl Denninger <karl@denninger.net> To: freebsd-usb@freebsd.org Subject: Re: Digi Watchport/T temperature sensor as /dev/ttyU Message-ID: <2e196c65-1de6-3627-9bd8-633763727a55@denninger.net> In-Reply-To: <1469206374.84197.14.camel@freebsd.org> References: <20160722183556.2fc39fd7.ohartman@zedat.fu-berlin.de> <1469206374.84197.14.camel@freebsd.org>
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This is a cryptographically signed message in MIME format. --------------ms050707010908010705050204 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 7/22/2016 11:52, Ian Lepore wrote: > On Fri, 2016-07-22 at 18:35 +0200, O. Hartmann wrote: >> For temperature monitoring, we have a bunch of Digi Watchport/T >> sensors:=20 >> >> http://ftp1.digi.com/support/documentation/90000406_H.pdf >> >> > [...] > > I think the attached patch will make it show up as a ttyU*/cuaU* device= > for you. (You should probably use the /dev/cuaU* flavor, to avoid > problems with tty layer and modem control signals). > > I keep wishing we had a mechanism, like a sysctl that could be set or > something, that would let you supply a vendor/product pair and have the= > ugensa driver attach to that device, for quick testing of this sort of > thing. > > -- Ian > What do you think about my screwing with the driver to provide a modest-sized dynamic stack that would use the sysctl interface to add/delete vendor/product pairs for this purpose? With a modest but reasonable limit this then becomes something that can be used in a production environment since you probably would have a modest number of these devices on USB for any particular individual system and now you don't have to futz with the kernel to add/remove them. I implemented an application read/write piece to a ugen-attached device but it would have been nice to be able to poke this instead via such a "hook"; if I write it and submit it as a PR what do people think about its odds of being committed? --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms050707010908010705050204 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC Bl8wggZbMIIEQ6ADAgECAgEpMA0GCSqGSIb3DQEBCwUAMIGQMQswCQYDVQQGEwJVUzEQMA4G A1UECBMHRmxvcmlkYTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3Rl bXMgTExDMRwwGgYDVQQDExNDdWRhIFN5c3RlbXMgTExDIENBMSIwIAYJKoZIhvcNAQkBFhND dWRhIFN5c3RlbXMgTExDIENBMB4XDTE1MDQyMTAyMjE1OVoXDTIwMDQxOTAyMjE1OVowWjEL MAkGA1UEBhMCVVMxEDAOBgNVBAgTB0Zsb3JpZGExGTAXBgNVBAoTEEN1ZGEgU3lzdGVtcyBM TEMxHjAcBgNVBAMTFUthcmwgRGVubmluZ2VyIChPQ1NQKTCCAiIwDQYJKoZIhvcNAQEBBQAD ggIPADCCAgoCggIBALmEWPhAdphrWd4K5VTvE5pxL3blRQPyGF3ApjUjgtavqU1Y8pbI3Byg XDj2/Uz9Si8XVj/kNbKEjkRh5SsNvx3Fc0oQ1uVjyCq7zC/kctF7yLzQbvWnU4grAPZ3IuAp 3/fFxIVaXpxEdKmyZAVDhk9az+IgHH43rdJRIMzxJ5vqQMb+n2EjadVqiGPbtG9aZEImlq7f IYDTnKyToi23PAnkPwwT+q1IkI2DTvf2jzWrhLR5DTX0fUYC0nxlHWbjgpiapyJWtR7K2YQO aevQb/3vN9gSojT2h+cBem7QIj6U69rEYcEDvPyCMXEV9VcXdcmW42LSRsPvZcBHFkWAJqMZ Myiz4kumaP+s+cIDaXitR/szoqDKGSHM4CPAZV9Yh8asvxQL5uDxz5wvLPgS5yS8K/o7zDR5 vNkMCyfYQuR6PAJxVOk5Arqvj9lfP3JSVapwbr01CoWDBkpuJlKfpQIEeC/pcCBKknllbMYq yHBO2TipLyO5Ocd1nhN/nOsO+C+j31lQHfOMRZaPQykXVPWG5BbhWT7ttX4vy5hOW6yJgeT/ o3apynlp1cEavkQRS8uJHoQszF6KIrQMID/JfySWvVQ4ksnfzwB2lRomrdrwnQ4eG/HBS+0l eozwOJNDIBlAP+hLe8A5oWZgooIIK/SulUAsfI6Sgd8dTZTTYmlhAgMBAAGjgfQwgfEwNwYI KwYBBQUHAQEEKzApMCcGCCsGAQUFBzABhhtodHRwOi8vY3VkYXN5c3RlbXMubmV0Ojg4ODgw CQYDVR0TBAIwADARBglghkgBhvhCAQEEBAMCBaAwCwYDVR0PBAQDAgXgMCwGCWCGSAGG+EIB DQQfFh1PcGVuU1NMIEdlbmVyYXRlZCBDZXJ0aWZpY2F0ZTAdBgNVHQ4EFgQUxRyULenJaFwX RtT79aNmIB/u5VkwHwYDVR0jBBgwFoAUJHGbnYV9/N3dvbDKkpQDofrTbTUwHQYDVR0RBBYw FIESa2FybEBkZW5uaW5nZXIubmV0MA0GCSqGSIb3DQEBCwUAA4ICAQBPf3cYtmKowmGIYsm6 eBinJu7QVWvxi1vqnBz3KE+HapqoIZS8/PolB/hwiY0UAE1RsjBJ7yEjihVRwummSBvkoOyf G30uPn4yg4vbJkR9lTz8d21fPshWETa6DBh2jx2Qf13LZpr3Pj2fTtlu6xMYKzg7cSDgd2bO sJGH/rcvva9Spkx5Vfq0RyOrYph9boshRN3D4tbWgBAcX9POdXCVfJONDxhfBuPHsJ6vEmPb An+XL5Yl26XYFPiODQ+Qbk44Ot1kt9s7oS3dVUrh92Qv0G3J3DF+Vt6C15nED+f+bk4gScu+ JHT7RjEmfa18GT8DcT//D1zEke1Ymhb41JH+GyZchDRWtjxsS5OBFMzrju7d264zJUFtX7iJ 3xvpKN7VcZKNtB6dLShj3v/XDsQVQWXmR/1YKWZ93C3LpRs2Y5nYdn6gEOpL/WfQFThtfnat HNc7fNs5vjotaYpBl5H8+VCautKbGOs219uQbhGZLYTv6okuKcY8W+4EJEtK0xB08vqr9Jd0 FS9MGjQE++GWo+5eQxFt6nUENHbVYnsr6bYPQsZH0CRNycgTG9MwY/UIXOf4W034UpR82TBG 1LiMsYfb8ahQJhs3wdf1nzipIjRwoZKT1vGXh/cj3gwSr64GfenURBxaFZA5O1acOZUjPrRT n3ci4McYW/0WVVA3lDGCBRMwggUPAgEBMIGWMIGQMQswCQYDVQQGEwJVUzEQMA4GA1UECBMH RmxvcmlkYTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3RlbXMgTExD MRwwGgYDVQQDExNDdWRhIFN5c3RlbXMgTExDIENBMSIwIAYJKoZIhvcNAQkBFhNDdWRhIFN5 c3RlbXMgTExDIENBAgEpMA0GCWCGSAFlAwQCAwUAoIICTTAYBgkqhkiG9w0BCQMxCwYJKoZI hvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNjA3MjIxNzE2MDdaME8GCSqGSIb3DQEJBDFCBECk dfIJmOk/8xNn+ggjoABF8MPUKOe3W2kjK4icc2vpEUk5Clm7tu6HCk8LekWvVuZRI0v913kp sbjUwhNl3X8aMGwGCSqGSIb3DQEJDzFfMF0wCwYJYIZIAWUDBAEqMAsGCWCGSAFlAwQBAjAK BggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYIKoZIhvcNAwICAUAwBwYFKw4DAgcwDQYI KoZIhvcNAwICASgwgacGCSsGAQQBgjcQBDGBmTCBljCBkDELMAkGA1UEBhMCVVMxEDAOBgNV BAgTB0Zsb3JpZGExEjAQBgNVBAcTCU5pY2V2aWxsZTEZMBcGA1UEChMQQ3VkYSBTeXN0ZW1z IExMQzEcMBoGA1UEAxMTQ3VkYSBTeXN0ZW1zIExMQyBDQTEiMCAGCSqGSIb3DQEJARYTQ3Vk YSBTeXN0ZW1zIExMQyBDQQIBKTCBqQYLKoZIhvcNAQkQAgsxgZmggZYwgZAxCzAJBgNVBAYT AlVTMRAwDgYDVQQIEwdGbG9yaWRhMRIwEAYDVQQHEwlOaWNldmlsbGUxGTAXBgNVBAoTEEN1 ZGEgU3lzdGVtcyBMTEMxHDAaBgNVBAMTE0N1ZGEgU3lzdGVtcyBMTEMgQ0ExIjAgBgkqhkiG 9w0BCQEWE0N1ZGEgU3lzdGVtcyBMTEMgQ0ECASkwDQYJKoZIhvcNAQEBBQAEggIAqW+i+fsb X2U5rbIQxJ6sPbwlc8Z6KhaXgckYjFBIz8q2oVLmMDKU4dDvZOppfmPmMsJNm/KcaiW2e6cn ugud9dw11R5xLwxRuC48/I6MWs6P9t6kcwNMeHVoBbZzqM2UCRtYEMaDN23+YKfcCgCmdJFg zw14yzs5G5dKOS0/b/zVzxBkKMp9U+PA+1FrZiY8w0iTGGl+Q6OHzTaX8s5WXN+aukEUcHM0 xqwY8uca3mhVnki1fH0opQr7JZmMIGa+FBfRRooG97panwZx/O0EqwcQc8qbjZgGANR05Fs/ 9mFQc0PD9vLFX/tQxOZfQhkXbRd1XxfGnCa/zSaK6qzQHMaEkDYyq29elZ8AKqITUdykQXHv QYxt2GAsoyPejhNSqfsHtP2lVMmm/zCWgCHWUiy2mZ/NwbCqI1SJMuMCHGvV4xAMSyPni2ai +pk1g4VXFp2M03P1zdRT1YTOWJjJ5Y7m1Kbz8UEQsTuVPte+7h65e2+ED+5vZWuy996D8dSA peOgEvBOZhAX0Bkruvqqio2hrifzn2IUcMofJN/v1K9G2BJhz69UQzUQnzu+hc9eN1MUZ3st qbp4jFNDiUojhlq+pRYofMyCD3KDrfcBg4UQD/pBTP2n0WMAauw9lfQ6EmuKhZ+XnsqF7uHK di5GQgrmatcUspDMEd7Zqt2JP10AAAAAAAA= --------------ms050707010908010705050204--
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