X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fir_rc5%2Fpd.py;h=e1c47b6b4eaef937676173250d774681cb9f1c04;hp=adf4e06c56485e67f5c68c1b71b722263b517ecf;hb=681bad2a4da0ba8c0c5fb76980cf8515e381750d;hpb=4539e9ca58966ce3c9cad4801b16c315e86ace01 diff --git a/decoders/ir_rc5/pd.py b/decoders/ir_rc5/pd.py index adf4e06..e1c47b6 100644 --- a/decoders/ir_rc5/pd.py +++ b/decoders/ir_rc5/pd.py @@ -24,14 +24,15 @@ class SamplerateError(Exception): pass class Decoder(srd.Decoder): - api_version = 2 + api_version = 3 id = 'ir_rc5' name = 'IR RC-5' longname = 'IR RC-5' desc = 'RC-5 infrared remote control protocol.' license = 'gplv2+' inputs = ['logic'] - outputs = ['ir_rc5'] + outputs = [] + tags = ['IR'] channels = ( {'id': 'ir', 'name': 'IR', 'desc': 'IR data line'}, ) @@ -56,6 +57,9 @@ class Decoder(srd.Decoder): ) def __init__(self): + self.reset() + + def reset(self): self.samplerate = None self.samplenum = None self.edges, self.bits, self.ss_es_bits = [], [], [] @@ -63,7 +67,7 @@ class Decoder(srd.Decoder): def start(self): self.out_ann = self.register(srd.OUTPUT_ANN) - self.old_ir = 1 if self.options['polarity'] == 'active-low' else 0 + self.next_edge = 'l' if self.options['polarity'] == 'active-low' else 'h' def metadata(self, key, value): if key == srd.SRD_CONF_SAMPLERATE: @@ -134,23 +138,20 @@ class Decoder(srd.Decoder): self.edges, self.bits, self.ss_es_bits = [], [], [] self.state = 'IDLE' - 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: - - self.ir = pins[0] + while True: - # Wait for any edge (rising or falling). - if self.old_ir == self.ir: - continue + (self.ir,) = self.wait({0: self.next_edge}) # State machine. if self.state == 'IDLE': + bit = 1 self.edges.append(self.samplenum) - self.bits.append([self.samplenum, 1]) + self.bits.append([self.samplenum, bit]) self.state = 'MID1' - self.old_ir = self.ir + self.next_edge = 'l' if self.ir else 'h' continue edge = self.edge_type() if edge == 'e': @@ -179,4 +180,4 @@ class Decoder(srd.Decoder): self.handle_bits() self.reset_decoder_state() - self.old_ir = self.ir + self.next_edge = 'l' if self.ir else 'h'