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| author | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2015-11-30 00:35:11 +0100 |
|---|---|---|
| committer | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2015-11-30 00:35:11 +0100 |
| commit | 831d893d4b9e4f76b5e645ee5e6fcfd4962ffa6a (patch) | |
| tree | 40f00a00a4246a444f3acdd356053de619537dc3 /decoders/usb_signalling | |
| parent | e655c0aa44ac56ff66ad98d30a97cf852bdf7048 (diff) | |
| download | libsigrokdecode-831d893d4b9e4f76b5e645ee5e6fcfd4962ffa6a.tar.gz libsigrokdecode-831d893d4b9e4f76b5e645ee5e6fcfd4962ffa6a.zip | |
usb_signalling: fix SOP detection after an error condition
If the oldsym is not set to 'J' before entering IDLE state, the SOP
detection will never trigger
Diffstat (limited to 'decoders/usb_signalling')
| -rw-r--r-- | decoders/usb_signalling/pd.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/decoders/usb_signalling/pd.py b/decoders/usb_signalling/pd.py index 6233c3e..4dfde83 100644 --- a/decoders/usb_signalling/pd.py +++ b/decoders/usb_signalling/pd.py @@ -272,6 +272,7 @@ class Decoder(srd.Decoder): elif sym == 'LS_J': self.signalling = 'low-speed' self.update_bitrate() + self.oldsym = 'J' self.state = 'IDLE' def decode(self, ss, es, data): @@ -302,8 +303,9 @@ class Decoder(srd.Decoder): self.get_bit(sym) elif self.state == 'GET EOP': self.get_eop(sym) + self.oldpins = pins elif self.state == 'WAIT IDLE': - if self.oldpins == pins: + if tuple(pins) == (0, 0): continue if self.samplenum - self.samplenum_lastedge > 1: sym = symbols[self.options['signalling']][tuple(pins)] |