No EdgeTPU detected. Falling back to CPU.

Getting the error No EdgeTPU detected. Falling back to CPU. The EdgeTPU is setup and working correctly, fully testing and working. Just not with Frigate.

Setup using Docker Compose using the example provided.

/arrow/cpp/src/plasma/store.cc:1226: Allowing the Plasma store to use up to 0.4GB of memory.


/arrow/cpp/src/plasma/store.cc:1253: Starting object store with directory /dev/shm and huge page support disabled


Camera_process started for test: 21


Starting detection process: 20


Starting process for test: 21


eating ffmpeg process...


ffmpeg -hide_banner -loglevel panic -avoid_negative_ts make_zero -fflags nobuffer -flags low_delay -strict experimental -fflags +genpts+discardcorrupt -vsync drop -rtsp_transport tcp -stimeout 5000000 -use_wallclock_as_timestamps 1 -i rtsp://192.168.1.32:8554/unicast -f rawvideo -pix_fmt rgb24 pipe:


 * Serving Flask app "detect_objects" (lazy loading)


 * Environment: production


   WARNING: This is a development server. Do not use it in a production deployment.


   Use a production WSGI server instead.


 * Debug mode: off


No EdgeTPU detected. Falling back to CPU.

[roofuskit]

    frigate:
      container_name: frigate
      restart: unless-stopped
      privileged: true
      shm_size: '1g' # should work for 5-7 cameras
      image: blakeblackshear/frigate:stable
      volumes:
        - /dev/bus/usb:/dev/bus/usb
        - /etc/localtime:/etc/localtime:ro
        - /home/tensorflow/frigate:/config
      ports:
        - "5050:5000"
      environment:
        FRIGATE_RTSP_PASSWORD: "password"

Bus 002 Device 002: ID 18d1:9302 Google Inc.
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         9
  idVendor           0x18d1 Google Inc.
  idProduct          0x9302
  bcdDevice            1.00
  iManufacturer           0
  iProduct                0
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           96
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              224mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           6
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               1
        bMaxBurst               0
Device Status:     0x0c00
  (Bus Powered)

/dev/bus
/dev/bus/usb
/dev/bus/usb/002
/dev/bus/usb/002/002
/dev/bus/usb/002/001
/dev/bus/usb/001
/dev/bus/usb/001/006
/dev/bus/usb/001/005
/dev/bus/usb/001/004
/dev/bus/usb/001/003
/dev/bus/usb/001/002
/dev/bus/usb/001/001

[blakeblackshear]

Are you sure you aren’t running another instance of frigate? The coral can only be used by a single process. Also try removing your detectors config section entirely.