文件列表:

docker (0, 2022-06-21)
docker\Dockerfile (2761, 2022-06-21)
docker\files (0, 2022-06-21)
docker\files\maix.toolchain.cmake (1776, 2022-06-21)
docker\files\makePy3Default.patch (801, 2022-06-21)
docker\files\opencv-cross.yml (1119, 2022-06-21)
repos (0, 2022-06-21)
repos\MaixPy3 (0, 2022-06-21)
repos\opencv-python (0, 2022-06-21)
scripts (0, 2022-06-21)
scripts\buildMaixPy3.sh (282, 2022-06-21)
scripts\buildOpencv.sh (1634, 2022-06-21)
scripts\toolchainEnv.sh (1128, 2022-06-21)

# maix3_opencv_python Docker builder for opencv-python for MAIX-II Dock ( Allwinner V831: Cortex-A7 and 0.2TOPS NPU ) Uses Docker Cross https://github.com/dockcross/dockcross ---- This repo uses submodules so clone it ``` git clone --recurse-submodules -j8 https://github.com/irfan7***/maix3_opencv_python.git ``` Builds - MaixPy3:0.3.4 - OpenCV-Python:4.5.5 These builds works on **MAIX-II Dock** with firmware that has `Numpy:1.19.2` If you are building for a firmware that has different numpy, please change numpy version accordingly in [opencv-cross.yml](https://github.com/irfan798/maix3_opencv_python/blob/master/./docker/files/opencv-cross.yml) ## Build Docker ``` docker build -t linux-armv7l-musl-v83x-python ./docker ``` This will create an image which you can compile for v83x ### Create builder executable ``` docker run linux-armv7l-musl-v83x-python > ./dockcross-v83x chmod +x ./dockcross-v83x ``` ## Build MaixPy ``` ./dockcross-v83x bash scripts/buildMaixPy3.sh ``` Dist package will be in `./repos/MaixPy3/dist` folder ## Build Opencv-Python ``` ./dockcross-v83x bash scripts/buildOpencv.sh ``` Dist package will be in `./repos/opencv-python/dist` folder ## Building other projects Check https://github.com/dockcross/dockcross#examples ``` ./dockcross-v83x make ``` # Installing packages on MAIX-II Dock ## Connect to Maix-II Dock using ADB If you connect cable into Maix-II Dock's `USB OTG` port, you will should be able to use `adb` commands Check with `adb devices -l` ``` adb push ./repos/opencv-python/dist/opencv_python_headless-4.5.5.62-cp38-cp38-linux_armv7l.whl /root/ adb shell "pip install /root/opencv_python_headless-4.5.5.62-cp38-cp38-linux_armv7l.whl --upgrade" ``` ## Connect to Maix-II Dock serial Connect a USB-C cable to Maix-II Dock's `USB UART` port. You shall be able to `screen` into firmware ``` screen /dev/ttyUSB0 115200 ``` TODO:Continue ssh setup # Troubleshooting ## ADB If you cannot see your device on `adb list` or access it make sure you have added your device to `udev` rules. 1. Unplug **Maix-II Dock** 2. In a console run: ``` sudo dmesg -wH ``` 3. Plug usb to `USB OTG` port on Maix-II Dock You should note the new device in console, something like the following should appear: ``` [ +12.953497] usb 5-1: new high-speed USB device number 4 using xhci_hcd [ +0.230599] usb 5-1: New USB device found, idVendor=18d1, idProduct=0002, bcdDevice= 4.09 [ +0.000006] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ +0.000002] usb 5-1: Manufacturer: Android [ +0.000002] usb 5-1: SerialNumber: 20080411 ```` 4. Take note of `idVendor` and Check your `/etc/udev/rules.d/51-android.rules` (if it doesn't exists create it) and add the following line with your own `idVendor` ``` SUBSYSTEM=="usb", ATTRS{idVendor}=="18d1", MODE="0666" ``` 5. Restart udev service with ``` sudo systemctl restart udev ``` 6. Restart adb service with ``` adb kill-server && adb start-server ``` 7. Disconnect and reconnect the device again. 8. Try `adb devices` again

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