diff options
Diffstat (limited to 'decoders')
| -rw-r--r-- | decoders/lpc/pd.py | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/decoders/lpc/pd.py b/decoders/lpc/pd.py index 7da0dd8..61c6383 100644 --- a/decoders/lpc/pd.py +++ b/decoders/lpc/pd.py @@ -301,7 +301,6 @@ class Decoder(srd.Decoder): self.tarcount = 0 self.state = 'IDLE' - # TODO: At which edge of the clock is data latched? Falling? def decode(self, ss, es, data): for (samplenum, pins) in data: @@ -316,11 +315,11 @@ class Decoder(srd.Decoder): # TODO: Handle optional pins. (lframe, lreset, lclk, lad0, lad1, lad2, lad3) = pins - # Only look at the signals upon falling LCLK edges. - # TODO: Rising? - ## if not (self.oldlclk == 1 and lclk == 0): - ## self.oldlclk = lclk - ## continue + # Only look at the signals upon rising LCLK edges. The LPC clock + # is the same as the PCI clock (which is sampled at rising edges). + if not (self.oldlclk == 0 and lclk == 1): + self.oldlclk = lclk + continue # Store LAD[3:0] bit values (one nibble) in local variables. # Most (but not all) states need this. |