Parser and error-handling changes.

2012-07-07 11:04:49 -07:00
parent b4cafe0384
commit 8439e0e5f3
3 changed files with 10 additions and 5 deletions
--- a/python/modes_parse.py
+++ b/python/modes_parse.py
@@ -75,9 +75,14 @@ class data_field:
  def get_bits(self, *args):
    startbit = args[0]
    num = args[1]
-    bits = (self.data \
-        >> (self.get_numbits() - startbit - num + self.offset)) \
-         & ((1 << num) - 1)
+    bits = 0
+    try:
+      bits = (self.data \
+          >> (self.get_numbits() - startbit - num + self.offset)) \
+           & ((1 << num) - 1)
+    except ValueError:
+      #pass
+      print "Got short packet but expected long retrieving bits (%i, %i) with type %i" % (startbit, num, self.get_type())
    return bits

 class bds09_reply(data_field):