SPI NSS详解

stm32的spi中NSS详细解释

1.安装pyenv    https://github.com/pyenv/pyenv-installer curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash 下载如下报错，则安装nss： yum -y update nss 2.添加环境变量 vim /root/.bashrc export PATH=/root/.pyenv/bin:$PATH eval $(pye