uart: Better fix for ASCII output.

This is a temporary thing, later there'll be some facility to let
frontends handle any annotations marked as "this is a number" (as opposed
to "this is a string") in a generic manner and display them in any
supported (by that frontend) format, e.g. ascii, hex, oct, decimal,
binary, big-endian vs. little-endian, and so on.

This is a fix related to #201.

diff --git a/decoders/uart/pd.py b/decoders/uart/pd.py
index f1c832364539fcac8d386f2a12cc41bfb5069ef0..00be94bdd1b50da1a501a8d066716c992305ab85 100644 (file)
--- a/decoders/uart/pd.py
+++ b/decoders/uart/pd.py
@@ -230,7 +230,7 @@ class Decoder(srd.Decoder):
 
         b, f = self.databyte[rxtx], self.options['format']
         if f == 'ascii':
-            c = chr(b) if chr(b).isprintable() else '[%02X]' % b
+            c = chr(b) if b in range(30, 126 + 1) else '[%02X]' % b
             self.putx(rxtx, [rxtx, [c]])
         elif f == 'dec':
             self.putx(rxtx, [rxtx, [str(b)]])