Can't upload anything to Teensy 3.2

[nhatnamt]

One more question - where did you buy this Teensy? Directly from PJRC or any of the official distributors?

Any chance this board could be a Chinese fake? (anything purchased from Aliexpress)

Can you tell whether it's a genuine Teensy from the photo?

 

[PaulStoffregen]

Those photos look like the genuine Teensy 3.2.

Can you read the printing on the 2 square chips near the USB connector?

The chip near pins 1 & 2 should have "M2T5" on a genuine Teensy 3.2.

 

[nhatnamt]

Those photos look like the genuine Teensy 3.2.

Can you read the printing on the 2 square chips near the USB connector?

The chip near pins 1 & 2 should have "M2T5" on a genuine Teensy 3.2.

Yes, it does. It says "M2T5 ACFO"

https://imgur.com/a/MWd6R03?

 

[PaulStoffregen]

Sounds like you have a genuine Teensy 3.2, and every indication is the Teensy works.

Have you tried using it on a different computer? Or run Linux instead of Windows on that PC?

 

[nhatnamt]

Yes, I tried with both Ubuntu 16.04 LTS and Ubuntu 18.10 ( teensy showed up as HID device), 4 different computers. Using the multimeter I can also check that it's 3.3V when the button is not pressed and 0V when it is pressed. What I'm I missing here.

 

[PaulStoffregen]

Ok, good, you've got Ubuntu. That means we can get much better info than Windows.

On Ubuntu, run "tail -f /var/log/syslog" in a terminal. When you press the button on your Teensy, you should see the Linux kernel print several lines about the USB detection. Can you show us the info which appears?

 

[nhatnamt]

Everythings seems fine

Apr  6 06:39:49 ASTORIA kernel: [ 4336.968010] usb 1-2: USB disconnect, device number 14
Apr  6 06:39:49 ASTORIA kernel: [ 4337.391318] usb 1-2: new full-speed USB device number 15 using xhci_hcd
Apr  6 06:39:49 ASTORIA kernel: [ 4337.540814] usb 1-2: New USB device found, idVendor=16c0, idProduct=0486, bcdDevice= 1.00
Apr  6 06:39:49 ASTORIA kernel: [ 4337.540821] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Apr  6 06:39:49 ASTORIA kernel: [ 4337.540825] usb 1-2: Product: Teensyduino RawHID
Apr  6 06:39:49 ASTORIA kernel: [ 4337.540829] usb 1-2: Manufacturer: Teensyduino
Apr  6 06:39:49 ASTORIA kernel: [ 4337.540833] usb 1-2: SerialNumber: 311479
Apr  6 06:39:49 ASTORIA kernel: [ 4337.544378] hid-generic 0003:16C0:0486.0015: hiddev1,hidraw2: USB HID v1.11 Device [Teensyduino Teensyduino RawHID] on usb-0000:00:14.0-2/input0
Apr  6 06:39:49 ASTORIA kernel: [ 4337.545432] hid-generic 0003:16C0:0486.0016: hidraw3: USB HID v1.11 Device [Teensyduino Teensyduino RawHID] on usb-0000:00:14.0-2/input1

 

[PaulStoffregen]

That's the result you should see when plugging in the cable.

But after pressing the button, it's supposed to be 0478, not 0486.

 

[nhatnamt]

Ah I see, so either this one has not Halfkey bootloader or it does change to that mode

 

[PaulStoffregen]

Yeah, it's sure looking like you got a damaged or defective board. Might be a counterfeit, but it *really* looks like the genuine hardware.

Maybe try returning it to the seller for a replacement? But if you got it on Aliexpress and too much time has passed, then you're probably out of luck.