tag 2.4release2_4

1 files changed, 27 insertions, 0 deletions

diff --git a/examples/scan.py b/examples/scan.py
new file mode 100644
index 0000000..439818c
--- /dev/null
+++ b/examples/scan.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+"""Scan for serial ports.
+Part of pySerial (http://pyserial.sf.net)  (C)2002-2003 <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.
+"""
+
+import serial
+
+def scan():
+    """scan for available ports. return a list of tuples (num, name)"""
+    available = []
+    for i in range(256):
+        try:
+            s = serial.Serial(i)
+            available.append( (i, s.portstr))
+            s.close()   #explicit close 'cause of delayed GC in java
+        except serial.SerialException:
+            pass
+    return available
+
+if __name__=='__main__':
+    print "Found ports:"
+    for n,s in scan():
+        print "(%d) %s" % (n,s)