spi: Don't emit bogus "transfer" items.

[libsigrokdecode.git] / decoders / spi / pd.py

diff --git a/decoders/spi/pd.py b/decoders/spi/pd.py
index 7cfa2662adbfbf957ba2895fa8df2fd85ec231a6..8d0d6ae3a39a3d53b1851432984f20a23edf4b63 100644 (file)
--- a/decoders/spi/pd.py
+++ b/decoders/spi/pd.py
@@ -279,7 +279,7 @@ class Decoder(srd.Decoder):
                 self.ss_transfer = self.samplenum
                 self.misobytes = []
                 self.mosibytes = []
                 self.ss_transfer = self.samplenum
                 self.misobytes = []
                 self.mosibytes = []

-            else:
+            elif self.ss_transfer != -1:

                 if self.have_miso:
                     self.put(self.ss_transfer, self.samplenum, self.out_ann,
                         [5, [' '.join(format(x.val, '02X') for x in self.misobytes)]])
                 if self.have_miso:
                     self.put(self.ss_transfer, self.samplenum, self.out_ann,
                         [5, [' '.join(format(x.val, '02X') for x in self.misobytes)]])