# Export/Unexport a pin
pipin export   [pin]
pipin unexport [pin]

# Reading a pin state
pipin value     [pin]
pipin direction [pin]
pipin edge      [pin]

# Changing a pin state
pipin value     [pin] [0|1]
pipin direction [pin] [in|out]
pipin edge      [pin] [none|both|falling|rising]

如何安装

请确保已经安装了 composer，然后

composer global require piphp/pipin

请确保您已将全局composer二进制目录添加到您的 ~/.bash_profile（或 ~/.bashrc）文件中的PATH

export PATH=~/.composer/vendor/bin:$PATH

这篇博客更详细地解释了全局composer安装的过程。