X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=decoders%2Fi2cfilter%2Fpd.py;h=70613d24e909a627907ba53b8f901487c0ac5bfc;hb=8b9179378172206e4053b2773a5ba1f8a076a1c9;hp=4fe3a9c94e39679edfc6970ee1c25227ed661a76;hpb=be465111b552c7c2a2262ac49758a30a8bf1b1d5;p=libsigrokdecode.git diff --git a/decoders/i2cfilter/pd.py b/decoders/i2cfilter/pd.py index 4fe3a9c..70613d2 100644 --- a/decoders/i2cfilter/pd.py +++ b/decoders/i2cfilter/pd.py @@ -18,8 +18,6 @@ ## along with this program; if not, see . ## -# Generic I2C filtering protocol decoder - # TODO: Support for filtering out multiple slave/direction pairs? import sigrokdecode as srd @@ -27,16 +25,16 @@ import sigrokdecode as srd class Decoder(srd.Decoder): api_version = 1 id = 'i2cfilter' - name = 'I2C filter' - longname = 'I2C filter' - desc = 'Filter out addresses/directions in an I2C stream.' + name = 'I²C filter' + longname = 'I²C filter' + desc = 'Filter out addresses/directions in an I²C stream.' license = 'gplv3+' inputs = ['i2c'] outputs = ['i2c'] probes = [] optional_probes = [] options = { - 'address': ['Address to filter out of the I2C stream', 0], + 'address': ['Address to filter out of the I²C stream', 0], 'direction': ['Direction to filter (read/write/both)', 'both'] } annotations = [] @@ -45,7 +43,7 @@ class Decoder(srd.Decoder): self.state = None self.curslave = -1 self.curdirection = None - self.packets = [] # Local cache of I2C packets + self.packets = [] # Local cache of I²C packets def start(self): self.out_proto = self.register(srd.OUTPUT_PYTHON, proto_id='i2c') @@ -54,20 +52,17 @@ class Decoder(srd.Decoder): if self.options['direction'] not in ('both', 'read', 'write'): raise Exception('Invalid direction (valid: read/write/both).') - def report(self): - pass - - # Grab I2C packets into a local cache, until an I2C STOP condition + # 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. + # I²C address of the slave that the master wants to talk to. # If that slave shall be filtered, output the cache (all packets from # START to STOP) as proto 'i2c', otherwise drop it. def decode(self, ss, es, data): cmd, databyte = data - # Add the I2C packet to our local cache. + # Add the I²C packet to our local cache. self.packets.append([ss, es, data]) if cmd in ('ADDRESS READ', 'ADDRESS WRITE'): @@ -89,11 +84,11 @@ class Decoder(srd.Decoder): return # TODO: START->STOP chunks with both read and write (Repeat START) - # Otherwise, send out the whole chunk of I2C packets. + # Otherwise, send out the whole chunk of I²C packets. for p in self.packets: self.put(p[0], p[1], self.out_proto, p[2]) self.packets = [] else: - pass # Do nothing, only add the I2C packet to our cache. + pass # Do nothing, only add the I²C packet to our cache.