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Today's Topics:
1. Re: Permanent assign cam order: video0 / video1 for USB cam1
/ USB cam2 (stlth)
----------------------------------------------------------------------
Message: 1
Date: Sat, 19 Sep 2015 14:36:21 +0200
From: stlth <[email protected]>
Subject: Re: [Motion-user] Permanent assign cam order: video0 / video1
for USB cam1 / USB cam2
To: Motion discussion list <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
Run udevadm for other cameras and check what is unique.
Perhaps this parameter ATTRS{serial}=="9H005586" will be the best to assign
this device to /dev/videoX every time on boot.
Wiadomo?? napisana przez Mariusz Ciszewski <[email protected]> w dniu
19 wrz 2015, o godz. 14:31:
> Thank you.
>
> Hmm... In my case result is like below.
> Can I see similar string here?
>
>
> root@raspberrypi:~# udevadm info --name=/dev/video0 --attribute-walk
>
> Udevadm info starts with the device specified by the devpath and then
> walks up the chain of parent devices. It prints for every device
> found, all possible attributes in the udev rules key format.
> A rule to match, can be composed by the attributes of the device
> and the attributes from one single parent device.
>
> looking at device
> '/devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.2/1-1.2.2.4/1-1.2.2.4:1.0/video4linux/video0':
> KERNEL=="video0"
> SUBSYSTEM=="video4linux"
> DRIVER==""
> ATTR{name}=="VF0540 Live! Cam Video IM/Video"
> ATTR{debug}=="0"
> ATTR{index}=="0"
>
> looking at parent device
> '/devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.2/1-1.2.2.4/1-1.2.2.4:1.0':
> KERNELS=="1-1.2.2.4:1.0"
> SUBSYSTEMS=="usb"
> DRIVERS=="uvcvideo"
> ATTRS{bInterfaceClass}=="0e"
> ATTRS{iad_bFunctionClass}=="0e"
> ATTRS{iad_bFirstInterface}=="00"
> ATTRS{bInterfaceSubClass}=="01"
> ATTRS{bInterfaceProtocol}=="00"
> ATTRS{bNumEndpoints}=="01"
> ATTRS{iad_bFunctionSubClass}=="03"
> ATTRS{iad_bFunctionProtocol}=="00"
> ATTRS{supports_autosuspend}=="1"
> ATTRS{iad_bInterfaceCount}=="02"
> ATTRS{bAlternateSetting}==" 0"
> ATTRS{bInterfaceNumber}=="00"
> ATTRS{interface}=="VF0540 Live! Cam Video IM/Video Chat"
>
> looking at parent device
> '/devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.2/1-1.2.2.4':
> KERNELS=="1-1.2.2.4"
> SUBSYSTEMS=="usb"
> DRIVERS=="usb"
> ATTRS{bDeviceSubClass}=="02"
> ATTRS{bDeviceProtocol}=="01"
> ATTRS{devpath}=="1.2.2.4"
> ATTRS{idVendor}=="041e"
> ATTRS{speed}=="480"
> ATTRS{bNumInterfaces}==" 4"
> ATTRS{bConfigurationValue}=="1"
> ATTRS{bMaxPacketSize0}=="64"
> ATTRS{busnum}=="1"
> ATTRS{devnum}=="41"
> ATTRS{configuration}==""
> ATTRS{bMaxPower}=="128mA"
> ATTRS{authorized}=="1"
> ATTRS{bmAttributes}=="80"
> ATTRS{bNumConfigurations}=="1"
> ATTRS{maxchild}=="0"
> ATTRS{bcdDevice}=="8314"
> ATTRS{avoid_reset_quirk}=="0"
> ATTRS{quirks}=="0x0"
> ATTRS{serial}=="9H005586"
> ATTRS{version}==" 2.00"
> ATTRS{urbnum}=="14646312"
> ATTRS{ltm_capable}=="no"
> ATTRS{manufacturer}=="Creative Labs"
> ATTRS{removable}=="unknown"
> ATTRS{idProduct}=="4069"
> ATTRS{bDeviceClass}=="ef"
> ATTRS{product}=="VF0540 Live! Cam Video IM/Video Chat"
>
> looking at parent device
> '/devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.2':
> KERNELS=="1-1.2.2"
> SUBSYSTEMS=="usb"
> DRIVERS=="usb"
> ATTRS{bDeviceSubClass}=="00"
> ATTRS{bDeviceProtocol}=="01"
> ATTRS{devpath}=="1.2.2"
> ATTRS{idVendor}=="1a40"
> ATTRS{speed}=="480"
> ATTRS{bNumInterfaces}==" 1"
> ATTRS{bConfigurationValue}=="1"
> ATTRS{bMaxPacketSize0}=="64"
> ATTRS{busnum}=="1"
> ATTRS{devnum}=="39"
> ATTRS{configuration}==""
> ATTRS{bMaxPower}=="100mA"
> ATTRS{authorized}=="1"
> ATTRS{bmAttributes}=="e0"
> ATTRS{bNumConfigurations}=="1"
> ATTRS{maxchild}=="4"
> ATTRS{bcdDevice}=="0111"
> ATTRS{avoid_reset_quirk}=="0"
> ATTRS{quirks}=="0x0"
> ATTRS{version}==" 2.00"
> ATTRS{urbnum}=="28"
> ATTRS{ltm_capable}=="no"
> ATTRS{removable}=="unknown"
> ATTRS{idProduct}=="0101"
> ATTRS{bDeviceClass}=="09"
> ATTRS{product}=="USB 2.0 Hub"
>
> looking at parent device '/devices/platform/bcm2708_usb/usb1/1-1/1-1.2':
> KERNELS=="1-1.2"
> SUBSYSTEMS=="usb"
> DRIVERS=="usb"
> ATTRS{bDeviceSubClass}=="00"
> ATTRS{bDeviceProtocol}=="01"
> ATTRS{devpath}=="1.2"
> ATTRS{idVendor}=="1a40"
> ATTRS{speed}=="480"
> ATTRS{bNumInterfaces}==" 1"
> ATTRS{bConfigurationValue}=="1"
> ATTRS{bMaxPacketSize0}=="64"
> ATTRS{busnum}=="1"
> ATTRS{devnum}=="37"
> ATTRS{configuration}==""
> ATTRS{bMaxPower}=="100mA"
> ATTRS{authorized}=="1"
> ATTRS{bmAttributes}=="e0"
> ATTRS{bNumConfigurations}=="1"
> ATTRS{maxchild}=="4"
> ATTRS{bcdDevice}=="0111"
> ATTRS{avoid_reset_quirk}=="0"
> ATTRS{quirks}=="0x0"
> ATTRS{version}==" 2.00"
> ATTRS{urbnum}=="38"
> ATTRS{ltm_capable}=="no"
> ATTRS{removable}=="removable"
> ATTRS{idProduct}=="0101"
> ATTRS{bDeviceClass}=="09"
> ATTRS{product}=="USB 2.0 Hub"
>
> looking at parent device '/devices/platform/bcm2708_usb/usb1/1-1':
> KERNELS=="1-1"
> SUBSYSTEMS=="usb"
> DRIVERS=="usb"
> ATTRS{bDeviceSubClass}=="00"
> ATTRS{bDeviceProtocol}=="02"
> ATTRS{devpath}=="1"
> ATTRS{idVendor}=="0424"
> ATTRS{speed}=="480"
> ATTRS{bNumInterfaces}==" 1"
> ATTRS{bConfigurationValue}=="1"
> ATTRS{bMaxPacketSize0}=="64"
> ATTRS{busnum}=="1"
> ATTRS{devnum}=="2"
> ATTRS{configuration}==""
> ATTRS{bMaxPower}=="2mA"
> ATTRS{authorized}=="1"
> ATTRS{bmAttributes}=="e0"
> ATTRS{bNumConfigurations}=="1"
> ATTRS{maxchild}=="3"
> ATTRS{bcdDevice}=="0200"
> ATTRS{avoid_reset_quirk}=="0"
> ATTRS{quirks}=="0x0"
> ATTRS{version}==" 2.00"
> ATTRS{urbnum}=="49"
> ATTRS{ltm_capable}=="no"
> ATTRS{removable}=="unknown"
> ATTRS{idProduct}=="9512"
> ATTRS{bDeviceClass}=="09"
>
> looking at parent device '/devices/platform/bcm2708_usb/usb1':
> KERNELS=="usb1"
> SUBSYSTEMS=="usb"
> DRIVERS=="usb"
> ATTRS{bDeviceSubClass}=="00"
> ATTRS{bDeviceProtocol}=="01"
> ATTRS{devpath}=="0"
> ATTRS{idVendor}=="1d6b"
> ATTRS{speed}=="480"
> ATTRS{bNumInterfaces}==" 1"
> ATTRS{bConfigurationValue}=="1"
> ATTRS{bMaxPacketSize0}=="64"
> ATTRS{authorized_default}=="1"
> ATTRS{busnum}=="1"
> ATTRS{devnum}=="1"
> ATTRS{configuration}==""
> ATTRS{bMaxPower}=="0mA"
> ATTRS{authorized}=="1"
> ATTRS{bmAttributes}=="e0"
> ATTRS{bNumConfigurations}=="1"
> ATTRS{maxchild}=="1"
> ATTRS{bcdDevice}=="0318"
> ATTRS{avoid_reset_quirk}=="0"
> ATTRS{quirks}=="0x0"
> ATTRS{serial}=="bcm2708_usb"
> ATTRS{version}==" 2.00"
> ATTRS{urbnum}=="26"
> ATTRS{ltm_capable}=="no"
> ATTRS{manufacturer}=="Linux 3.18.11+ dwc_otg_hcd"
> ATTRS{removable}=="unknown"
> ATTRS{idProduct}=="0002"
> ATTRS{bDeviceClass}=="09"
> ATTRS{product}=="DWC OTG Controller"
>
> looking at parent device '/devices/platform/bcm2708_usb':
> KERNELS=="bcm2708_usb"
> SUBSYSTEMS=="platform"
> DRIVERS=="dwc_otg"
> ATTRS{hnp}=="HstNegScs = 0x0"
> ATTRS{srp}=="SesReqScs = 0x1"
> ATTRS{regvalue}=="invalid offset"
> ATTRS{hsic_connect}=="HSIC Connect = 0x1"
> ATTRS{guid}=="GUID = 0x2708a000"
> ATTRS{mode}=="Mode = 0x1"
> ATTRS{srpcapable}=="SRPCapable = 0x1"
> ATTRS{regdump}=="Register Dump"
> ATTRS{gpvndctl}=="GPVNDCTL = 0x00000000"
> ATTRS{ggpio}=="GGPIO = 0x00000000"
> ATTRS{hprt0}=="HPRT0 = 0x00001005"
> ATTRS{wr_reg_test}=="Time to write GNPTXFSIZ reg 10000000 times: 2820
> msecs (282 jiffies)"
> ATTRS{driver_override}=="(null)"
> ATTRS{hcd_frrem}=="HCD Dump Frame Remaining"
> ATTRS{mode_ch_tim_en}=="Mode Change Ready Timer Enable = 0x0"
> ATTRS{gnptxfsiz}=="GNPTXFSIZ = 0x01000306"
> ATTRS{remote_wakeup}=="Remote Wakeup Sig = 0 Enabled = 0 LPM Remote
> Wakeup = 0"
> ATTRS{busconnected}=="Bus Connected = 0x1"
> ATTRS{hcddump}=="HCD Dump"
> ATTRS{gotgctl}=="GOTGCTL = 0x001c0001"
> ATTRS{spramdump}=="SPRAM Dump"
> ATTRS{grxfsiz}=="GRXFSIZ = 0x00000306"
> ATTRS{gsnpsid}=="GSNPSID = 0x4f54280a"
> ATTRS{gusbcfg}=="GUSBCFG = 0x00001700"
> ATTRS{hptxfsiz}=="HPTXFSIZ = 0x02000406"
> ATTRS{devspeed}=="Device Speed = 0x0"
> ATTRS{fr_interval}=="Frame Interval = 0x1d4c"
> ATTRS{rem_wakeup_pwrdn}==""
> ATTRS{bussuspend}=="Bus Suspend = 0x0"
> ATTRS{buspower}=="Bus Power = 0x1"
> ATTRS{hnpcapable}=="HNPCapable = 0x1"
> ATTRS{rd_reg_test}=="Time to read GNPTXFSIZ reg 10000000 times: 4870
> msecs (487 jiffies)"
> ATTRS{enumspeed}=="Device Enumeration Speed = 0x1"
> ATTRS{inv_sel_hsic}=="Invert Select HSIC = 0x0"
> ATTRS{regoffset}=="0xffffffff"
>
> looking at parent device '/devices/platform':
> KERNELS=="platform"
> SUBSYSTEMS==""
> DRIVERS==""
>
> root@raspberrypi:~#
>
>
> 2015-09-19 14:24 GMT+02:00 stlth <[email protected]>:
> udevadm info --name=/dev/videoXXX --attribute-walk
>
> Wiadomo?? napisana przez Mariusz Ciszewski <[email protected]> w
> dniu 19 wrz 2015, o godz. 14:22:
>
>> Ok. But how can I get this string "046d_0825_77098E00" for all my USB
>> cameras ?
>>
>> Thank you and best regards
>> Mariusz
>>
>> 2015-09-18 8:43 GMT+02:00 ?ydr?nas Urbonas <[email protected]>:
>> Yeah, I had same issue when on boot two cameras got unpredictable "video*"
>> thus breaking motion configs.
>> So I used udev rule file to assign special names according to USB vendor
>> ids, like this:
>>
>> SUBSYSTEM=="video4linux", ENV{ID_SERIAL}=="046d_0991_DE4250F2",
>> SYMLINK+="webcam0"
>> SUBSYSTEM=="video4linux", ENV{ID_SERIAL}=="046d_0825_77098E00",
>> SYMLINK+="webcam1"
>>
>> And then I put /dev/webcam0 into motion's config nad I'm then sure I use
>> correct camera
>>
>> HTH
>>
>> On Thu, Sep 17, 2015 at 8:50 PM, Mariusz Ciszewski
>> <[email protected]> wrote:
>> Hello.
>>
>> Is it possible somehow to force:
>>
>> /dev/video0 always for USB cam:
>> Bus 001 Device 009: ID 041e:4052 Creative Technology, Ltd Live! Cam Vista IM
>>
>> /dev/video1 always for USB cam:
>> Bus 001 Device 008: ID 041e:4069 Creative Technology, Ltd
>>
>> How to prevent rondom X for /dev/vidX (a few USB webcams) after system
>> bacames restarted?
>>
>> Is it possible to connect a few cameras the same type, e. g.
>> Bus 001 Device 008: ID 041e:4069 Creative Technology, Ltd
>>
>> and keep proper association video0 / video1 / video2 for USB cam1 / USB cam2
>> / USB cam3 ?
>>
>> Thank you for any hints.
>>
>> Best regards
>> Mariusz
>>
>> ------------------------------------------------------------------------------
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