/experimental/serial_read/testportread.py

http://cellbots.googlecode.com/ · Python · 24 lines · 19 code · 5 blank · 0 comment · 4 complexity · e7964ee5e0efa81eac3df2cb23cab114 MD5 · raw file 

    

  1. import os, time, socket, select
    2. 

  2. 

  3. svr_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    4. 

  4. svr_sock.bind(('', 9002))
    5. 

  5. svr_sock.listen(3)
    6. 

  6. svr_sock.setblocking(0)
    7. 

  7. 

  8. rs = []
    9. 

  9. 

  10. 

  11. while 1:
    12. 

  12.   r,w,_ = select.select([svr_sock] + rs, [], [])
    13. 

  13.   print "out of select loop"
    14. 

  14.   
    15. 

  15.   for cli in r:
    16. 

  16.     if cli == svr_sock:
    17. 

  17.       new_cli,addr = svr_sock.accept()
    18. 

  18.       rs = [new_cli]
    19. 

  19.     else:   
    20. 

  20.       msg = cli.recv(1024)
    21. 

  21.       print "received: %s" % msg
    22. 

  22.       os.system("echo '%s\n' > /dev/ttyMSM2" % msg)
    23. 

  23.       time.sleep(1)
    24. 

  24.       os.system("echo 's\n' > /dev/ttyMSM2")
    25.