diff options
Diffstat (limited to 'decoders/spi/spi.py')
| -rw-r--r-- | decoders/spi/spi.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/decoders/spi/spi.py b/decoders/spi/spi.py index 7789e34..a06498b 100644 --- a/decoders/spi/spi.py +++ b/decoders/spi/spi.py @@ -125,22 +125,24 @@ class Decoder(srd.Decoder): if deasserted: self.cs_was_deasserted_during_data_word = 1 + ws = self.options['wordsize'] + # Receive MOSI bit into our shift register. if self.options['bitorder'] == MSB_FIRST: - self.mosidata |= mosi << (self.options['wordsize'] - 1 - self.bitcount) + self.mosidata |= mosi << (ws - 1 - self.bitcount) else: self.mosidata |= mosi << self.bitcount # Receive MISO bit into our shift register. if self.options['bitorder'] == MSB_FIRST: - self.misodata |= miso << (self.options['wordsize'] - 1 - self.bitcount) + self.misodata |= miso << (ws - 1 - self.bitcount) else: self.misodata |= miso << self.bitcount self.bitcount += 1 - # Continue to receive if not a byte yet. - if self.bitcount != self.options['wordsize']: + # Continue to receive if not enough bits were received, yet. + if self.bitcount != ws: continue self.put(self.start_sample, self.samplenum, self.out_proto, |