将下列Python代码保存成VitrualCom.py:
Code#! /usr/bin/env python
#coding=utf-8
import pty
import os
import select
def mkpty():
# 打开伪终端
master1, slave = pty.openpty()
slaveName1 = os.ttyname(slave)
master2, slave = pty.openpty()
slaveName2 = os.ttyname(slave)
print '
slave device names: ', slaveName1, slaveName2
return master1, master2
if __name__ == "__main__":
master1, master2 = mkpty()
while True:
rl, wl, el = select.select([master1,master2], [], [], 1)
for master in rl:
data = os.read(master, 128)
print "read %d data." % len(data)
if master==master1:
os.write(master2, data)
else:
os.write(master1, data)
在终端下面输入:
sudo python VirtualCom.py
便会显示:
slave device names: /dev/pts/1 /dev/pts/2
这样/dev/pts/1与/dev/pts/2串口便相连接在一起了。
参考链接:http://www.cnblogs.com/simpleyyt/p/3562054.html