diff options
| -rw-r--r-- | decoders/jitter/pd.py | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/decoders/jitter/pd.py b/decoders/jitter/pd.py index c3579a8..4fadbcb 100644 --- a/decoders/jitter/pd.py +++ b/decoders/jitter/pd.py @@ -31,7 +31,7 @@ class SamplerateError(Exception): pass class Decoder(srd.Decoder): - api_version = 2 + api_version = 3 id = 'jitter' name = 'Jitter' longname = 'Timing jitter calculation' @@ -66,8 +66,7 @@ class Decoder(srd.Decoder): def __init__(self): self.state = 'CLK' self.samplerate = None - self.oldpin = None - self.oldclk = self.oldsig = None + self.oldclk, self.oldsig = 0, 0 self.clk_start = None self.sig_start = None self.clk_missed = 0 @@ -174,19 +173,12 @@ class Decoder(srd.Decoder): # everything we can with this sample. return True - def decode(self, ss, es, data): + def decode(self): if not self.samplerate: raise SamplerateError('Cannot decode without samplerate.') - - for (self.samplenum, pins) in data: - # We are only interested in transitions. - if self.oldpin == pins: - continue - - self.oldpin, (clk, sig) = pins, pins - - if self.oldclk is None and self.oldsig is None: - self.oldclk, self.oldsig = clk, sig + while True: + # Wait for a transition on CLK and/or SIG. + clk, sig = self.wait([{0: 'e'}, {1: 'e'}]) # State machine: # For each sample we can move 2 steps forward in the state machine. |