Got Coral USB TPU working in Frigate APP under Cobia

simdim

Explorer
Joined
Mar 12, 2019
Messages
75
TLDR:
After a lot of trial and error set APP to the following:

Screenshot 2023-11-05 at 12.07.10 PM.png
Screenshot 2023-11-05 at 12.06.30 PM.png


The key was /dev:/dev for container.

Originally plugged Coral into mobo USB3 port
8:00.0 USB controller: Etron Technology, Inc. EJ168 USB 3.0 Host Controller (rev 01) 09:00.0 USB controller: Etron Technology, Inc. EJ168 USB 3.0 Host Controller (rev 01)

Frigate started to see TPU but was getting error:

Code:
  [2023-11-05 11:42:43] frigate.detectors.plugins.edgetpu_tfl INFO    : TPU found
  F driver/usb/usb_driver.cc:802] [0-0] bulk out for header failed. Abort. Unknown: USB transfer error 1 [LibUsbDataOutCallback]


Switched to different USB controller

04:00.0 USB controller: Fresco Logic FL1100 USB 3.0 Host Controller (rev 01)


Code:
ov  5 11:51:27 freenas kernel: usb 4-2: new SuperSpeed USB device number 3 using xhci_hcd
Nov  5 11:51:27 freenas kernel: usb 4-2: New USB device found, idVendor=1a6e, idProduct=089a, bcdDevice= 1.00
Nov  5 11:51:27 freenas kernel: usb 4-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
....
Nov  5 11:56:07 freenas kernel: usb 4-2: reset SuperSpeed USB device number 3 using xhci_hcd
Nov  5 11:56:09 freenas kernel: usb 4-2: reset SuperSpeed USB device number 3 using xhci_hcd
Nov  5 11:56:09 freenas kernel: usb 4-2: LPM exit latency is zeroed, disabling LPM.
Nov  5 11:56:09 freenas kernel: usb 4-2: device firmware changed
Nov  5 11:56:09 freenas kernel: usb 4-2: USB disconnect, device number 3
Nov  5 11:56:09 freenas kernel: usb 4-2: new SuperSpeed USB device number 4 using xhci_hcd
Nov  5 11:56:09 freenas kernel: usb 4-2: LPM exit latency is zeroed, disabling LPM.
Nov  5 11:56:09 freenas kernel: usb 4-2: New USB device found, idVendor=18d1, idProduct=9302, bcdDevice= 1.00
Nov  5 11:56:09 freenas kernel: usb 4-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0



Still trying to figure out "0 (0 skipped)" under FPS in camera detect process - but moving in the right direction

Screenshot 2023-11-05 at 12.26.44 PM.png
 
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