attempt at automatic tty symbolic link setup

busunit/scripts/setup-serial.py

@@ -6,11 +6,15 @@ import re
 import time
 from os import listdir
 from os.path import isfile, join
+from os import system
+
 
 DEVDIR = "/dev"
 
 ttyfn = [f for f in listdir(DEVDIR) if re.match(r'^ttyUSB', f)]
 
+ret = system("rm -f /dev/ttyPIU /dev/ttyGPRS /dev/ttyDIU /dev/ttyGPS")
+
 for devfn in ttyfn:
   print devfn
   ser = serial.Serial(join(DEVDIR,devfn), 115200, bytesize=8, parity='N', stopbits=1, timeout=1, xonxoff=0, rtscts=0)
@@ -32,11 +36,21 @@ for devfn in ttyfn:
   if (x0 == "ok" or x0 == "OK" or
       x1 == "ok" or x1 == "OK" or
       x2 == "ok" or x2 == "OK"):
-    print join(DEVDIR,devfn), "->", join(DEVDIR,"ttyGPRS")
+    src_tty = join(DEVDIR,devfn)
+    dst_tty = join(DEVDIR,"ttyGPRS")
+    #print join(DEVDIR,devfn), "->", join(DEVDIR,"ttyGPRS")
+    print src_tty, "->", dst_tty
+
+    system("ln -s " + src_tty + " " + dst_tty)
 
   if (x0[0:4] == "/?: " or
       x1[0:4] == "/?: " or
       x2[0:4] == "/?: "):
-    print join(DEVDIR,devfn), "->", join(DEVDIR,"ttyPIU")
+    src_tty = join(DEVDIR,devfn)
+    dst_tty = join(DEVDIR,"ttyPIU")
+    #print join(DEVDIR,devfn), "->", join(DEVDIR,"ttyPIU")
+
+    print src_tty, "->", dst_tty
+    system("ln -s " + src_tty + " " + dst_tty)