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树莓派学习 2. 开发环境搭建
- 一、硬件连接
- 1. 扩展面包板连接
- 2. 系统盘设置
- 设置项:
- 3. 连接串口-USB转接板
- 二、启动vnc
- 三、树莓派4B python3.7一些配置
- 1. 安装pip3
- 2. pip更换为国内源
- 3. 安装ffmpeg开发库
- 4. 安装opencv开发库
- 四、 OrangePi one使用Armbian更换国内源
- 1. 换中科大源
- 2. 换阿里源
- 3. 问题处理:
一、硬件连接
1. 扩展面包板连接
2. 系统盘设置
在电脑上打开系统盘上的config.txt
在文件最后加内容:
设置项:
打开串口
enable_uart=1
保存
3. 连接串口-USB转接板
在电脑安装串口-USB转接板的驱动。
把串口-USB转接板插到电脑,并在设备管理器找到相应的串口:
这里显示是COM3
打开串口工具,并设置,启动树莓派:
这时可以使用串口来登陆树莓派了。
如果使用Putty可以类似Xshell方式远程登陆。
二、启动vnc
输入命令:
raspi-config
在选项: Interfacing Options里,打开VNC
安装并打开windows系统的VNC-View-windows
三、树莓派4B python3.7一些配置
1. 安装pip3
sudo apt-get install python-dev libatlas-base-dev
sudo apt-get install python3-distutils
# 安装pip3
sudo apt install python3-pip
# 安装numpy
wget https://www.piwheels/simple/numpy/numpy-1.17.2-cp37-cp37m-linux_armv7l.whl
sudo pip3 install numpy-1.17.2-cp37-cp37m-linux_armv7l.whl
# 安装tensorflow
# https://github/lhelontra/tensorflow-on-arm/releases/tag/v1.14.0-buster
# 下载 tensorflow-1.14.0-cp37-none-linux_armv7l.whl
sudo pip3 install tensorflow-1.14.0-cp37-none-linux_armv7l.whl
# 更换python源
cp /etc/apt/sources.list ~
cp /etc/apt/sources.d/raspi.list ~
vi /etc/apt/sources.list
更改内容为:
deb http://mirrors.ustc.edu/raspbian/raspbian/ stretch main contrib non-free rpi
sudo apt-get update
sudo apt-get upgrade
2. pip更换为国内源
sudo vim /etc/pip.conf
添加:
index-url = https://mirrors.aliyun/pypi/simple
安装PIL
sudo apt-get install libopenjp2-7
sudo pip3 install Pillow -y
安装libtiff5
sudo apt-get install libtiff5
升级wiringpi
cd /tmp
wget https://project-downloads.drogon/wiringpi-latest.deb
sudo dpkg -i wiringpi-latest.deb
3. 安装ffmpeg开发库
apt-get install libx264-dev libavcodec-dev libavdevice-dev libavfilter-dev libavformat-dev libavutil-dev libpostproc-dev libswresample-dev 和libswscale-dev
4. 安装opencv开发库
sudo apt-get install libopencv-dev -y
sudo apt-get install python-opencv -y
四、 OrangePi one使用Armbian更换国内源
注意原来的文件要备份,换源有时会导致部分软件安装不上
1. 换中科大源
vim /etc/apt/sources.list
内容:
deb http://mirrors.ustc.edu/ubuntu-ports/ bionic main multiverse restricted universe
deb http://mirrors.ustc.edu/ubuntu-ports/ bionic-backports main multiverse restricted universe
deb http://mirrors.ustc.edu/ubuntu-ports/ bionic-proposed main multiverse restricted universe
deb http://mirrors.ustc.edu/ubuntu-ports/ bionic-security main multiverse restricted universe
deb http://mirrors.ustc.edu/ubuntu-ports/ bionic-updates main multiverse restricted universe
deb-src http://mirrors.ustc.edu/ubuntu-ports/ bionic main multiverse restricted universe
deb-src http://mirrors.ustc.edu/ubuntu-ports/ bionic-backports main multiverse restricted universe
deb-src http://mirrors.ustc.edu/ubuntu-ports/ bionic-proposed main multiverse restricted universe
deb-src http://mirrors.ustc.edu/ubuntu-ports/ bionic-security main multiverse restricted universe
deb-src http://mirrors.ustc.edu/ubuntu-ports/ bionic-updates main multiverse
sudo apt-get update
2. 换阿里源
vim /etc/apt/sources.list
deb https://mirrors.aliyun/raspbian/raspbian/ buster main non-free contrib
deb-src https://mirrors.aliyun/raspbian/raspbian/ buster main non-free contrib
vim /etc/apt/sources.list.d/raspi.list
deb http://mirrors.tuna.tsinghua.edu/raspberrypi/ buster main ui
sudo apt-get update
sudo apt-get upgrade
3. 问题处理:
Reading package lists... Done
W: GPG error: http://mirrors.ustc.edu/debian stretch-updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ******* NO_PUBKEY *******
E: The repository 'http://mirrors.ustc.edu/debian stretch-updates InRelease' is not signed.
处理:
apt-key adv --keyserver keyserver.ubuntu --recv-keys 上面的*******
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