TESSEL? ERR! No devices found

timeglider 2014-07-01 18:58:46 UTC #1

I've seen this issue across the forum, but none seem to be resolved, and they apparently involve various problems.

While my Tessel (TM-00-04) is recognized in my USB, I still get a
TESSEL? ERR! No devices found.error in the terminal (Mac 10.8.6)

Perhaps troubleshooting this with me here will help others. My "system_profiler SPUSBDataType" returns this:

  Host Controller Location: Built-in USB
  Host Controller Driver: AppleUSBEHCI
  PCI Device ID: 0x283a 
  PCI Revision ID: 0x0003 
  PCI Vendor ID: 0x8086 
  Bus Number: 0xfa 

    Tessel:

      Product ID: 0x6097
      Vendor ID: 0x1d50
      Version:  1.01
      Serial Number: TM-00-04-f000da30-005d4743-70442586
      Speed: Up to 480 Mb/sec
      Manufacturer: Technical Machine
      Location ID: 0xfa200000 / 2
      Current Available (mA): 500
      Current Required (mA): 500

It's right there! How can this not be found??
What do I do?

kevin 2014-07-01 19:02:20 UTC #2

Run TESSEL_USB_DEBUG=4 tessel blink to get libusb debug logs as it tries to find the device.

timeglider 2014-07-01 19:16:12 UTC #3

Okay ------ tried that:

mikey:/ user$ TESSEL_USB_DEBUG=4 tessel blink
USB debug level 4
TESSEL? [timestamp] [threadID] facility level [function call] <message>
-----------------------------------------------
[ 0.147608] [0000060f] libusb: debug [libusb_get_device_list] 
ERR! No devices found.

`
Does this provide anything useful?

kevin 2014-07-01 19:26:21 UTC #4

That looks like libusb is not seeing any of your USB devices (or you'd get a few libusb_get_device_descriptor lines for the built-in bluetooth / camera / any other USB devices). Are you running as a non-admin account of some kind that might not be able to open USB devices?

timeglider 2014-07-01 19:33:20 UTC #5

I'm running as the main user of my Mac... Should I install libusb?

kevin 2014-07-01 19:42:04 UTC #6

We bundle a copy of libusb with the npm install, but if you want to try manually rebuilding it, you can brew install libusb, and npm rebuild in /usr/local/lib/node_modules/tessel/node_modules/usb.

What model/version of Mac do you have?

timeglider 2014-07-01 20:37:36 UTC #7

This is a MacBook Pro running 10.6.8

Did all the above, which installed (or reinstalled) libusb, but
I'm still getting the same errors -- and no libusb_get_device_descriptor
information coming in on the "TESSEL_USB_DEBUG=4 tessel blink"
command.

mikey:usb user$ TESSEL_USB_DEBUG=4 tessel blink
USB debug level 4
TESSEL? [timestamp] [threadID] facility level [function call] <message>
--------------------------------------------------
[ 0.192899] [0000060f] libusb: debug [libusb_get_device_list] 
ERR! No devices found.

kevin 2014-07-01 20:52:39 UTC #8

10.6.8 or 10.8.6 as you posted above? I know we've had trouble with 10.6 in the past, but did not look into it further as that version is no longer supported by Apple.

timeglider 2014-07-01 20:56:26 UTC #9

Sorry ------- it is 10.6.8 ----- aka Snow Leopard.

timeglider 2014-07-01 20:58:33 UTC #10

I've got a PC laptop running Windows 8: Maybe I ought to use that, darned it.

timeglider 2014-07-01 22:07:23 UTC #11

Things are looking good on my HP Win 8 laptop! Just
need to find a text editor.... Thanks for your help!

TheCbac 2014-07-04 20:24:54 UTC #12

I'm having the same issues on my Mac, 10.6.8, as well. I succeed in installing, but

$ tessel update

results in:

TESSEL? ERR! No devices found.

and

$ system_profiler SPUSBDataType

results in the same thing as timeglider's does, at the beginning of the post.
I switched to my PC as well to solve the issue, but it's still a burden.

kevin 2014-07-15 19:44:16 UTC #13

@TheCbac, We don't support OS X 10.6. This version is no longer supported by Apple and has multiple unpatched security vulnerabilities so we recommend you upgrade.

rwaldron 2014-07-30 16:55:01 UTC #14

Using OSX 10.9.4, Tessel TM-00-04

I've tried all of the suggestions here: https://forums.tessel.io/t/receiving-tessel-err-no-devices-found/214

The power light is on
SPUSBDataType.txt (3.3 KB) (obviously w/ the device plugged in)
Pressing Reset lights in this order:
1. Com (very dim) & LED2
2. Error
3. Com
4. LED1
5. LED2
TESSEL_USB_DEBUG=4 tessel blink results in: TESSEL? ERR! No devices found.

kevin 2014-07-30 18:51:35 UTC #15

You're seeing the LED animation where the LEDs flash in sequence from red to blue? That means it has firmware and it's booting it...but somehow it's not talking to your computer.

Hold down the config button while tapping reset (press config, press and release reset, release config) to force it into bootloader mode. Instead of running that sequence on the LEDs, the red and orange LEDs should blink together. Does it show up in SPUSBDataType in this mode? Then try tessel update to reinstall the firmware.

We've also seen broken wifi firmware cause the main processor to hang while booting, so put it into bootloader mode again by pressing config and tapping reset, and tessel update -w 1.28 to install / update the WiFi chip firmware.

rwaldron 2014-07-30 19:02:53 UTC #16

This is successful

No.

kevin 2014-07-30 19:12:00 UTC #17

Is this a new Tessel, or has this one worked before?

Try another USB cable, and/or see if it works on another computer.

rwaldron 2014-07-30 21:01:53 UTC #18

Unreal. I had tried this earlier on as well, but gave up when the second cable didn't work either. Looks like I have two faulty cables. Thanks for your patience and help.

vr00n 2015-02-20 17:26:04 UTC #19

Hi I've tried 3 cables and I still get this ERROR.

When I plug in the tessel, the connection light blinks for about 10 seconds and then only the power light remains.
I've tried config -reset - reset off - config off followed by tessel update - NO JOY!

V frustrating Please help. Struggling grad students who would like to do a tessel project as opposed to arduino!!! Ive been able to run tessel successfully before a few months back. Now everything is broke...what gives ???

I have tessel INFO v0.3.21 Board TM-00-04
Node v0.10.29
Running Yosemite (MAC OSX v 10.10.1)

Attached is SPUSBDataType profile
SPUSBDataType.txt (1.5 KB)

Output of TESSEL_USB_DEBUG=4 tessel blink
USB debug level 4
TESSEL? [timestamp] [threadID] facility level [function call]

[ 0.288908] [00000713] libusb: debug [libusb_get_device_list]
[ 0.289108] [00000713] libusb: debug [libusb_get_device_descriptor]
[ 0.289245] [00000713] libusb: debug [libusb_get_device_descriptor]

kevin 2015-02-20 18:28:15 UTC #20

The connection light blinking indicates that the Tessel is booting normally, but the fact that it doesn't show in SPUSBDataType means that the computer doesn't see the device at all. That's normally a cable issue, but also check to make sure the USB connector and board are not damaged.

[I deleted your duplicate post on the other thread as that doesn't do anything to get your question answered faster]