Hi Roger, Thanks for your email. Apologies for the delay getting back to you. Yes, I'm connecting the camera to the Type-C port. The camera has a Micro B connector so what I have right now is a cable with a USB Type-C on one end and a Micro-B connector on the other side. Unfortunately my laptop doesn't have a USB Type-C connector so I can't check it on my own laptop. The camera supports USB 3 according to the manufacturer.
My Apologies, I was incorrect on P5, it's connected to P9, the cape connector on the same side of the board as the Type-C connector. Your point that the camera should be able to take power from USB Type-C connector perhaps could be pointing to an issue. I'm not able to get any power out of that port. Is there some setting I have to make, or a jumper or something to get that to work? Mine seems to only take power in on the Type-C connector. Thanks, David On Fri, Aug 14, 2020 at 12:56 AM Roger Quadros <[email protected]> wrote: > Hi David, > > On 13/08/2020 19:21, Dave wrote: > > Hi there, > > > > I'm trying to connect a USB3 camera I have to the BBAI (uname -r gives > 4.14.108-ti-r131). > > How are you connecting the camera to the Type-C port? Does the camera > support Type-C? > If not what type-C to Type-A adaptor are you using? Does it support > USB3.0? Did you verify it with your laptop's type-C port for example? > > > > > I've run "sudo /opt/scripts/boot/bbai_usb_host.sh" to change the USB > port from a client into a host. I'm powering my camera from the 5V on the > beaglebone on P5, pin 8. However the camera is not getting detected when > connected. I know the camera works as if I connect it to the USB2 port it > all works perfectly. > > What is P5? > > Camera should be able to take power from the USB port. Why the custom > power connection? > > > > > lsusb gives: > > > > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > > > The relevant messages from dmesg I get are as follows: > > > > [ 578.405741] xhci-hcd xhci-hcd.2.auto: remove, state 4 > > [ 578.405797] usb usb4: USB disconnect, device number 1 > > [ 578.410192] xhci-hcd xhci-hcd.2.auto: USB bus 4 deregistered > > [ 578.410264] xhci-hcd xhci-hcd.2.auto: remove, state 4 > > [ 578.410312] usb usb3: USB disconnect, device number 1 > > [ 578.414352] xhci-hcd xhci-hcd.2.auto: USB bus 3 deregistered > > [ 578.422839] dwc3 48890000.usb: changing max_speed on rev 5533202a > > [ 579.151738] using random self ethernet address > > [ 579.151765] using random host ethernet address > > [ 579.283590] Mass Storage Function, version: 2009/09/11 > > [ 579.283620] LUN: removable file: (no medium) > > [ 579.347612] using random self ethernet address > > [ 579.347640] using random host ethernet address > > [ 579.374212] usb0: HOST MAC 28:ec:9a:eb:df:84 > > [ 579.374471] usb0: MAC 28:ec:9a:eb:df:85 > > [ 579.388618] usb1: HOST MAC 28:ec:9a:eb:df:86 > > [ 579.389016] usb1: MAC 28:ec:9a:eb:df:87 > > [ 579.516850] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready > > [ 579.589767] IPv6: ADDRCONF(NETDEV_UP): usb1: link is not ready > > [ 583.176056] xhci-hcd xhci-hcd.2.auto: xHCI Host Controller > > [ 583.176124] xhci-hcd xhci-hcd.2.auto: new USB bus registered, > assigned bus number 3 > > [ 583.185551] xhci-hcd xhci-hcd.2.auto: hcc params 0x0220f04c hci > version 0x100 quirks 0x0000000002010010 > > [ 583.185633] xhci-hcd xhci-hcd.2.auto: irq 223, io mem 0x48890000 > > [ 583.186576] usb usb3: New USB device found, idVendor=1d6b, > idProduct=0002 > > [ 583.186602] usb usb3: New USB device strings: Mfr=3, Product=2, > SerialNumber=1 > > [ 583.186624] usb usb3: Product: xHCI Host Controller > > [ 583.186644] usb usb3: Manufacturer: Linux 4.14.108-ti-r131 xhci-hcd > > [ 583.186664] usb usb3: SerialNumber: xhci-hcd.2.auto > > [ 583.190665] hub 3-0:1.0: USB hub found > > [ 583.190793] hub 3-0:1.0: 1 port detected > > [ 583.191869] xhci-hcd xhci-hcd.2.auto: xHCI Host Controller > > [ 583.191916] xhci-hcd xhci-hcd.2.auto: new USB bus registered, > assigned bus number 4 > > [ 583.191961] xhci-hcd xhci-hcd.2.auto: Host supports USB 3.0 > SuperSpeed > > [ 583.194273] usb usb4: We don't know the algorithms for LPM for this > host, disabling LPM. > > [ 583.194695] usb usb4: New USB device found, idVendor=1d6b, > idProduct=0003 > > [ 583.194721] usb usb4: New USB device strings: Mfr=3, Product=2, > SerialNumber=1 > > [ 583.194743] usb usb4: Product: xHCI Host Controller > > [ 583.194762] usb usb4: Manufacturer: Linux 4.14.108-ti-r131 xhci-hcd > > [ 583.194781] usb usb4: SerialNumber: xhci-hcd.2.auto > > [ 583.199144] hub 4-0:1.0: USB hub found > > [ 583.201451] hub 4-0:1.0: 1 port detected > > > > I'm thinking that the line "We don't know the algorithms for LPM for > this host, disabling LPM" may be pointing me to the issue, but I'm not sure > what to do about it. Has anyone experienced this issue before and if so, > how did you get around it? Any help you can give would be much appreciated. > > No. That line is harmless. It just says that the XHCI driver doesn't > undrestand the LPM mechanism so LPM will be disabled. > (LPM->Link power management) > > The issue is more about signal integrity at 3.0 speeds or power sequencing > of the camera. > > cheers, > -roger > > > > > Thanks, > > David > > > > -- > > For more options, visit http://beagleboard.org/discuss > > --- > > You received this message because you are subscribed to the Google > Groups "BeagleBoard" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] <mailto: > [email protected]>. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/17b66917-3622-418f-9b98-88daa38b61fbo%40googlegroups.com > < > https://groups.google.com/d/msgid/beagleboard/17b66917-3622-418f-9b98-88daa38b61fbo%40googlegroups.com?utm_medium=email&utm_source=footer > >. > > -- > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAExD9o%2BxzYUPV-_ehCVo9QDys8ShhPpLwrDBhrOMaQ%2BcYHet0A%40mail.gmail.com.
