安装USB AI加速棒：Gyrfalcon 2308 Plug

问题描述

嗨，我使用 Gyrfalcon Plai Plug 2803，用 sourceMe.so 安装了所有东西（虽然有一些小错误）。版本 4.5.0.3 在 python2.7 环境中使用 Anaconda。 Linux：Ubuntu 20.04

很遗憾，我无法访问最新的 SDK。

运行demo.py时，找不到USB设备。可以看到如下日志：

 (Gyr2) base@lws-werth:~/gyrfalcon/GTISDK-Linux_x86_64_v4.5.0.3/Apps/Python$ python demo.py video ../Models/2803/gti_resnet50_2803_2chip.model ../Data/Image_mp4/video_20class.mp4 
    Using /home/base/.local/lib/python2.7/site-packages/gtilib/libGTILibrary.so
    Running on a 64-bit machine
    - 1618322489287 -140463967627072- 2-:GTI SDK 4.5.0.3  built on: Aug  7 2019
    - 1618322489288 -140463967627072- 1-:Search for native usb library Failed. libusb-1.0.so: cannot open shared object file: No such file or directory
    - 1618322489288 -140463967627072- 1-:Load native usb symbol Failed at device scan. err=1. Stopped scanning.
    - 1618322489288 -140463967627072- 2-:found device:USB_EUSB_000000000012:/sys/dev/char/../../devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/host1/target1:0:0/1:0:0:0/scsi_generic/sg0
    - 1618322489402 -140463967627072- 2-:Create Chip 2803
    - 1618322489501 -140463967627072- 0-:Could not find any available device
    - 1618322489501 -140463967627072- 0-:Could not find any GTI devices
    - 1618322489502 -140463967627072- 0-:Could not establish device: null
    - 1618322489502 -140463967627072- 0-:GtiUnlockDevice Invalid Parameter
    - 1618322489555 -140463967627072- 0-:GtiImageEvaluate invalid parameter
    Traceback (most recent call last):
      File "demo.py",line 169,in <module>
        main(sys.argv[1:])
      File "demo.py",line 154,in main
        playVideo(argv)
      File "demo.py",line 99,in playVideo
        processImage(img,md,WINDOW_TITLE)
      File "demo.py",line 55,in processImage
        jr=json.loads(jd)
      File "/home/base/anaconda3/envs/Gyr2/lib/python2.7/json/__init__.py",line 339,in loads
        return _default_decoder.decode(s)
      File "/home/base/anaconda3/envs/Gyr2/lib/python2.7/json/decoder.py",line 364,in decode
        obj,end = self.raw_decode(s,idx=_w(s,0).end())
    TypeError: expected string or buffer
    - 1618322489568 -140463967627072- 0-:GtiDestroyModel invalid parameter

有没有人用过同样的加密狗并看到同样的错误？

谢谢

附言从这里交叉发布：https://dev.gyrfalcontech.ai/forums/topic/2083-plug-device-cannot-be-found/

解决方法

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embedded-linux hardware-acceleration tpu