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diff --git a/decoders/i2cdemux/i2cdemux.py b/decoders/i2cdemux/i2cdemux.py
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-##
-## This file is part of the sigrok project.
-##
-## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-##
-
-# Generic I2C demultiplexing protocol decoder
-
-import sigrokdecode as srd
-
-class Decoder(srd.Decoder):
- api_version = 1
- id = 'i2cdemux'
- name = 'I2C demux'
- longname = 'I2C demultiplexer'
- desc = 'Demux I2C packets into per-slave-address streams.'
- license = 'gplv2+'
- inputs = ['i2c']
- outputs = [] # TODO: Only known at run-time.
- probes = []
- optional_probes = []
- options = {}
- annotations = []
-
- def __init__(self, **kwargs):
- self.packets = [] # Local cache of I2C packets
- self.slaves = [] # List of known slave addresses
- self.stream = -1 # Current output stream
- self.streamcount = 0 # Number of created output streams
-
- def start(self, metadata):
- self.out_proto = []
-
- def report(self):
- pass
-
- # Grab I2C packets into a local cache, until an I2C STOP condition
- # packet comes along. At some point before that STOP condition, there
- # will have been an ADDRESS READ or ADDRESS WRITE which contains the
- # I2C address of the slave that the master wants to talk to.
- # We use this slave address to figure out which output stream should
- # get the whole chunk of packets (from START to STOP).
- def decode(self, ss, es, data):
-
- cmd, databyte = data
-
- # Add the I2C packet to our local cache.
- self.packets.append([ss, es, data])
-
- if cmd in ('ADDRESS READ', 'ADDRESS WRITE'):
- if databyte in self.slaves:
- self.stream = self.slaves.index(databyte)
- return
-
- # We're never seen this slave, add a new stream.
- self.slaves.append(databyte)
- self.out_proto.append(self.add(srd.OUTPUT_PROTO,
- 'i2c-%s' % hex(databyte)))
- self.stream = self.streamcount
- self.streamcount += 1
- elif cmd == 'STOP':
- if self.stream == -1:
- raise Exception('Invalid stream!') # FIXME?
-
- # Send the whole chunk of I2C packets to the correct stream.
- for p in self.packets:
- self.put(p[0], p[1], self.out_proto[self.stream], p[2])
-
- self.packets = []
- self.stream = -1
- else:
- pass # Do nothing, only add the I2C packet to our cache.
-