ASP站长网PS: Ubuntu下找了好久没有找到像Windows中 vspd 那种能够模拟串口的工具。无意间在网上看到了别人用Python写的工具,试了一下挺好用的,这里记录一下。
 
python代码:
 
下载链接: virtualCom.py
 
#coding = utf-8
 
import pty
import os
import select
 
def mkpty():
    master1, slave = pty.openpty()
    slaveName1 = os.ttyname(slave)
    master2, slave = pty.openpty()
    slaveName2 = os.ttyname(slave)
    print '\nslave 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)

dawei

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