virts. This is a software-simulated serial port ttyVIRT device driver. After loading the driver, two devices, /dev/ttyVIRT0 and /dev/ttyVIRT1, will be generated. Different applications can open these two serial devices to communicate with each other.virts是一个虚拟串口驱动程序，加载驱动后会产生两个软件模拟的串口ttyVIRT设备驱动，可以互相通讯。该项目的姐妹篇：virte:https://github.com/QQxiaoming/virte