Hi Roger, I finally got a Type-C to Type-A adapter but when I connected it, I still get no power to my camera, or to a USB Thumb Drive. Is there some setting I need to change to get this to work perhaps?
Thanks, David On Wednesday, August 19, 2020 at 12:35:46 AM UTC-7 Roger Quadros wrote: > David, > > > On 18/08/2020 21:35, David Nolan wrote: > > 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. > > > This is not the right way of connecting a device to the Type-C port. You > will need a Type-C to Type-A adapter to connect non type-C peripherals. > The Adapter is important because it will tell the Type-C logic on the > board to switch to DFP (Downstream facing port mode) and so turn on VBUS. > > You should not need to run the script. AFAIK the port is in dual-role mode > "otg" and should automatically switch to host on connecting the right > adapter. > In case you have a type-c thumb drive you should be able to test this out. > > > 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. > > > Right. That's why you need to use the type-C to type-A adapter. > e.g. > > https://www.amazon.com/Anker-Adapter-Converts-Technology-Compatible/dp/B01COOQIKU?ref_=fsclp_pl_dp_5 > > cheers, > -roger > > > 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 >> > > -- > 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/c1369c70-e37f-4067-a74c-35aa950fb0f3n%40googlegroups.com.
