X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fuart%2Fpd.py;h=d71fc23115760c06fd9e2eef56ab64ba1dc47770;hp=f01048038726b006a96ddc03f2d8b210299d4ac8;hb=8705ddc81b001d7f79ed94e9aa34b792cfdd4481;hpb=169f42726fcd44ca9a98c914b835ae6ff31295c3

diff --git a/decoders/uart/pd.py b/decoders/uart/pd.py
index f010480..d71fc23 100644
--- a/decoders/uart/pd.py
+++ b/decoders/uart/pd.py
@@ -222,7 +222,8 @@ class Decoder(srd.Decoder):
 
         b, f = self.databyte[rxtx], self.options['format']
         if f == 'ascii':
-            self.putx(rxtx, [rxtx, [chr(b)]])
+            c = chr(b) if chr(b).isprintable() else '[%02X]' % b
+            self.putx(rxtx, [rxtx, [c]])
         elif f == 'dec':
             self.putx(rxtx, [rxtx, [str(b)]])
         elif f == 'hex':