diff options
Diffstat (limited to 'decoders/cec/pd.py')
| -rw-r--r-- | decoders/cec/pd.py | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/decoders/cec/pd.py b/decoders/cec/pd.py index 4028b7e..6e8ddec 100644 --- a/decoders/cec/pd.py +++ b/decoders/cec/pd.py @@ -111,9 +111,6 @@ class Decoder(srd.Decoder): self.samplerate = value self.precalculate() - def set_stat(self, stat): - self.stat = stat - def handle_frame(self, is_nack): if self.fall_start is None or self.fall_end is None: return @@ -168,7 +165,7 @@ class Decoder(srd.Decoder): # VALIDATION: Invalid pulse if pulse == Pulse.INVALID: - self.set_stat(Stat.WAIT_START) + self.stat = Stat.WAIT_START self.put(self.fall_start, self.fall_end, self.out_ann, [9, ['Invalid pulse: Wrong timing']]) return @@ -180,14 +177,14 @@ class Decoder(srd.Decoder): # VALIDATION: If waiting for ACK or EOM, only BIT pulses (0/1) are expected if (self.stat == Stat.WAIT_ACK or self.stat == Stat.WAIT_EOM) and pulse == Pulse.START: self.put(self.fall_start, self.fall_end, self.out_ann, [9, ['Expected BIT: START received)']]) - self.set_stat(Stat.WAIT_START) + self.stat = Stat.WAIT_START # VALIDATION: ACK bit pulse remains high till the next frame (if any): Validate only min time of the low period if self.stat == Stat.WAIT_ACK and pulse != Pulse.START: if total_time < timing[pulse]['total']['min']: pulse = Pulse.INVALID self.put(self.fall_start, self.fall_end, self.out_ann, [9, ['ACK pulse below minimun time']]) - self.set_stat(Stat.WAIT_START) + self.stat = Stat.WAIT_START return # VALIDATION / PING FRAME DETECTION: Initiator doesn't sets the EOM = 1 but stops sending when ack doesn't arrive @@ -199,14 +196,14 @@ class Decoder(srd.Decoder): self.put(self.frame_start, self.samplenum, self.out_ann, [9, ['ERROR: Incomplete byte received']]) # Set wait start so we receive next frame - self.set_stat(Stat.WAIT_START) + self.stat = Stat.WAIT_START # VALIDATION: Check timing of the BIT (0/1) pulse in any other case (not waiting for ACK) if self.stat != Stat.WAIT_ACK and pulse != Pulse.START: if total_time < timing[pulse]['total']['min'] or total_time > timing[pulse]['total']['max']: self.put(self.fall_start, self.fall_end, self.out_ann, [9, ['Bit pulse exceeds total pulse timespan']]) pulse = Pulse.INVALID - self.set_stat(Stat.WAIT_START) + self.stat = Stat.WAIT_START return if pulse == Pulse.ZERO: @@ -216,7 +213,7 @@ class Decoder(srd.Decoder): # STATE: WAIT START if self.stat == Stat.WAIT_START: - self.set_stat(Stat.GET_BITS) + self.stat = Stat.GET_BITS self.reset_frame_vars() self.put(self.fall_start, self.fall_end, self.out_ann, [0, ['ST']]) @@ -238,7 +235,7 @@ class Decoder(srd.Decoder): if self.bit_count == 8: self.bit_count = 0 self.byte_count += 1 - self.set_stat(Stat.WAIT_EOM) + self.stat = Stat.WAIT_EOM self.put(self.byte_start, self.samplenum, self.out_ann, [6, ['0x{:02x}'.format(self.byte)]]) self.cmd_bytes.append({'st': self.byte_start, 'ed': self.samplenum, 'val': self.byte}) @@ -250,7 +247,7 @@ class Decoder(srd.Decoder): a = [2, ['EOM=Y']] if self.eom else [1, ['EOM=N']] self.put(self.fall_start, self.fall_end, self.out_ann, a) - self.set_stat(Stat.WAIT_ACK) + self.stat = Stat.WAIT_ACK # STATE: WAIT ACK elif self.stat == Stat.WAIT_ACK: @@ -276,10 +273,10 @@ class Decoder(srd.Decoder): # After ACK bit, wait for new datagram or continue reading current # one based on EOM value. if self.eom or self.is_nack: - self.set_stat(Stat.WAIT_START) + self.stat = Stat.WAIT_START self.handle_frame(self.is_nack) else: - self.set_stat(Stat.GET_BITS) + self.stat = Stat.GET_BITS def start(self): self.out_ann = self.register(srd.OUTPUT_ANN) |