summaryrefslogtreecommitdiff
path: root/decoders/spi/pd.py
diff options
context:
space:
mode:
Diffstat (limited to 'decoders/spi/pd.py')
-rw-r--r--decoders/spi/pd.py9
1 files changed, 5 insertions, 4 deletions
diff --git a/decoders/spi/pd.py b/decoders/spi/pd.py
index 3bebc7d..78b167a 100644
--- a/decoders/spi/pd.py
+++ b/decoders/spi/pd.py
@@ -109,7 +109,7 @@ class Decoder(srd.Decoder):
self.mosibits = []
self.startsample = -1
self.samplenum = -1
- self.cs_was_deasserted_during_data_word = 0
+ self.cs_was_deasserted = False
self.oldcs = -1
self.oldpins = None
self.have_cs = self.have_miso = self.have_mosi = None
@@ -167,11 +167,12 @@ class Decoder(srd.Decoder):
# If this is the first bit of a dataword, save its sample number.
if self.bitcount == 0:
self.startsample = self.samplenum
+ self.cs_was_deasserted = False
if self.have_cs:
active_low = (self.options['cs_polarity'] == 'active-low')
- deasserted = cs if active_low else not cs
+ deasserted = (cs == 1) if active_low else (cs == 0)
if deasserted:
- self.cs_was_deasserted_during_data_word = 1
+ self.cs_was_deasserted = True
ws = self.options['wordsize']
@@ -218,7 +219,7 @@ class Decoder(srd.Decoder):
bitrate = int(1 / elapsed * self.options['wordsize'])
self.put(self.startsample, self.samplenum, self.out_bitrate, bitrate)
- if self.have_cs and self.cs_was_deasserted_during_data_word:
+ if self.have_cs and self.cs_was_deasserted:
self.putw([4, ['CS# was deasserted during this data word!']])
self.reset_decoder_state()