diff options
Diffstat (limited to 'decoders')
| -rw-r--r-- | decoders/nrf24l01/pd.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/decoders/nrf24l01/pd.py b/decoders/nrf24l01/pd.py index 99a7d6e..a40f454 100644 --- a/decoders/nrf24l01/pd.py +++ b/decoders/nrf24l01/pd.py @@ -86,6 +86,7 @@ class Decoder(srd.Decoder): def __init__(self, **kwargs): self.next() + self.requirements_met = True def start(self): self.out_ann = self.register(srd.OUTPUT_ANN) @@ -264,9 +265,17 @@ class Decoder(srd.Decoder): self.warn(pos, 'wrong data for "ACTIVATE" command') def decode(self, ss, es, data): + if not self.requirements_met: + return + ptype, data1, data2 = data if ptype == 'CS-CHANGE': + if data1 == -1: + if data2 == -1: + self.requirements_met = False + raise ChannelError('CS# pin required.') + if data1 == 0 and data2 == 1: # Rising edge, the complete command is transmitted, process # the bytes that were send after the command byte. @@ -284,6 +293,7 @@ class Decoder(srd.Decoder): pos = (ss, es) if miso is None or mosi is None: + self.requirements_met = False raise ChannelError('Both MISO and MOSI pins required.') if self.first: |