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#!/usr/bin/env python
"""Scan for serial ports
part of pyserial (http://pyserial.sf.net) (C)2002 cliechti@gmx.net
the scan function of this module tries to open each port number
from 0 to 255 and it builds a list of those ports where this was
successful.
"""
from serial import Serial
from serial.serialutil import SerialException
def scan():
"""scan for available ports. return a list of tuples (num, name)"""
available = []
for i in range(256):
try:
s = Serial(i)
available.append( (i, s.portstr))
s.close() #explicit close 'cause of delayed GC in java
except SerialException:
pass
return available
if __name__=='__main__':
print "Found ports:"
for n,s in scan():
print "(%d) %s" % (n,s)
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