No communication after erase button pressed



  • Hello ,

    I have accidentally pressed the erase button on my duet3dwifi , It was working fine beforehand.

    I am trying to reinstall the firmware with SAM-BA , but I am not getting the device to show up as anything else than unknown usb device , have tried multiple cables and pc's.

    I have tried installing drivers from duet and from microchip, but I am still getting unknow device , will attach screenshots.

    0_1524386678312_Screenshot2.png 3_1524386686839_screenshot4.png 2_1524386686839_Screenshot3.png 1_1524386686839_Screenshot2.png 0_1524386686839_Screenshot1.png


  • administrators

    The "Device Descriptor request failed" message indicates that Windows failed to fetch the information from the Duet. Quite often this is because Windows has got the port into a funny state. Please try the following:

    • If you are running the Duet from USB power only, disconnect any devices from it that draw a lot of current, e.g. PanelDue. Alternatively, make sure you are providing 12V or 24V power before you connect the USB cable - but see the wiki page on USB ground loops.

    • Press the Erase button again for 1 second, then press the Reset button.

    • Try another USB port on your PC. If you don't have one, reboot Windows.



  • @dc42

    I am running the board without anything connected to it.



  • @dc42
    Also I have tried the usb ports of ,multiple windows 10 PC's , all with the same issue.
    Also tried a Linux pc , no luck.
    Should I try a windows 7 pc perhaps?

    Perhaps reflash over jtag would be an option ?


  • administrators

    Have you tried with and without VIN power applied?



  • @dc42
    yes , I have tried this , it makes no difference.


  • administrators

    If the following are true:

    • you have already tried pressing Erase again for one second followed by Reset as I suggested earlier;
    • you always get the "Device Descriptor Request Failed" message (not "Unknown device")

    then if your Duet is still under warranty, ask for it to be replaced.



  • @dc42

    Both of those are true. What does this mean happened ?

    My duet is no longer under warranty.

    I would be quite disappointed and angry if I should buy a new one.


  • administrators

    If all you did to create the problem was to press the Erase button, then it should be possible to reprogram it. Have you tried a different USB cable?



  • @spodeopieter said in No communication after erase button pressed:

    Also tried a Linux pc , no luck.

    It might be helpful if you included the dmesg part around the time you plugged it in, and an lsusb after you plugged it in



  • @dc42

    Yes , I have tried a few different cables.

    Should I have the sd card inserted or not ?


  • administrators

    @spodeopieter said in No communication after erase button pressed:

    @dc42

    Yes , I have tried a few different cables.

    Should I have the sd card inserted or not ?

    It doesn't matter, unless the SD card is faulty and drawing a large current from the 3.3V rail.



  • @denke

    Dmesg

    [846482.444916] usb 3-6: new full-speed USB device number 33 using xhci_hcd
    [846482.556934] usb 3-6: device descriptor read/64, error -71
    [846482.772945] usb 3-6: device descriptor read/64, error -71
    [846482.988898] usb 3-6: new full-speed USB device number 34 using xhci_hcd
    [846483.100971] usb 3-6: device descriptor read/64, error -71
    [846483.316940] usb 3-6: device descriptor read/64, error -71
    [846483.532862] usb 3-6: new full-speed USB device number 35 using xhci_hcd
    [846483.533051] usb 3-6: Device not responding to setup address.
    [846483.736958] usb 3-6: Device not responding to setup address.
    [846483.940851] usb 3-6: device not accepting address 35, error -71
    [846484.052817] usb 3-6: new full-speed USB device number 36 using xhci_hcd
    [846484.053010] usb 3-6: Device not responding to setup address.
    [846484.257021] usb 3-6: Device not responding to setup address.
    [846484.460791] usb 3-6: device not accepting address 36, error -71
    [846484.460831] usb usb3-port6: unable to enumerate USB device
    [846508.071353] usb 3-6: new full-speed USB device number 37 using xhci_hcd
    [846508.183413] usb 3-6: device descriptor read/64, error -71
    [846508.399383] usb 3-6: device descriptor read/64, error -71
    [846508.615249] usb 3-6: new full-speed USB device number 38 using xhci_hcd
    [846508.727321] usb 3-6: device descriptor read/64, error -71
    [846508.943313] usb 3-6: device descriptor read/64, error -71
    [846509.159258] usb 3-6: new full-speed USB device number 39 using xhci_hcd
    [846509.159404] usb 3-6: Device not responding to setup address.
    [846509.363394] usb 3-6: Device not responding to setup address.
    [846509.567269] usb 3-6: device not accepting address 39, error -71
    [846509.679246] usb 3-6: new full-speed USB device number 40 using xhci_hcd
    [846509.679451] usb 3-6: Device not responding to setup address.
    [846509.883424] usb 3-6: Device not responding to setup address.
    [846510.087244] usb 3-6: device not accepting address 40, error -71
    [846510.087315] usb usb3-port6: unable to enumerate USB device

    lsusb

    Bus 002 Device 002: ID 8087:8000 Intel Corp.
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 002: ID 8087:8008 Intel Corp.
    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 005: ID 04ca:7022 Lite-On Technology Corp.
    Bus 003 Device 004: ID 138a:003f Validity Sensors, Inc. VFS495 Fingerprint Reader
    Bus 003 Device 003: ID 046d:c534 Logitech, Inc. Unifying Receiver
    Bus 003 Device 012: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
    Bus 003 Device 006: ID 0e8d:763e MediaTek Inc. MT7630e Bluetooth Adapter
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub



  • @dc42

    Noted. I have been trying without the SD card anyway, so what is the next step ?



  • @spodeopieter said in No communication after erase button pressed:

    device descriptor read/64, error -71

    Did some digging, and red that this message usually means that the device has exceeded the current limit of the port it means some general communication error, but either way it is worth a try

    I, provided I have a notebook, would try to remove the sdcard, give the panel external 12/24v power, unplug the notebook from the charger and any other device connected to the mains voltage, and try the connection that way.

    And / or an usb cable with multiple computer side connectors used by some mobile hdds.

    I really do not know if it would help, but it is worth a try



  • @denke

    Ok , so I just tried this , still no luck. I also tried running through usb isolator.



  • @dc42

    So what are the next steps ?


  • administrators

    Which country are you in?



  • @dc42

    I am in South Africa , Pretoria


  • administrators

    Unless you have someone local to you who may be able to diagnose the board, your best option may be to arrange with forum user W3DRK to send the board to him (he is in the US) and take a look at it. he is experienced at diagnosing and repairing Duets.


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