X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fi2c%2Fpd.py;h=82976627bdcc92ce972a181d426bc98fb596a034;hb=e144452bcdd5f2abbe6b6f3da41ad64f67e39def;hp=0e7f769e16f16eda276de9809f01fe43106b3983;hpb=97b874bd0b6913ed52df1b8aac5e7491479fac9a;p=libsigrokdecode.git

diff --git a/decoders/i2c/pd.py b/decoders/i2c/pd.py
index 0e7f769..8297662 100644
--- a/decoders/i2c/pd.py
+++ b/decoders/i2c/pd.py
@@ -18,7 +18,6 @@
 ##
 
 # TODO: Look into arbitration, collision detection, clock synchronisation, etc.
-# TODO: Implement support for 10bit slave addresses.
 # TODO: Implement support for inverting SDA/SCL levels (0->1 and 1->0).
 # TODO: Implement support for detecting various bus errors.
 
@@ -62,9 +61,6 @@ proto = {
     'DATA WRITE':      [9, 'Data write',    'DW'],
 }
 
-class SamplerateError(Exception):
-    pass
-
 class Decoder(srd.Decoder):
     api_version = 3
     id = 'i2c'
@@ -74,6 +70,7 @@ class Decoder(srd.Decoder):
     license = 'gplv2+'
     inputs = ['logic']
     outputs = ['i2c']
+    tags = ['Embedded/industrial']
     channels = (
         {'id': 'scl', 'name': 'SCL', 'desc': 'Serial clock line'},
         {'id': 'sda', 'name': 'SDA', 'desc': 'Serial data line'},
@@ -93,11 +90,11 @@ class Decoder(srd.Decoder):
         ('address-write', 'Address write'),
         ('data-read', 'Data read'),
         ('data-write', 'Data write'),
-        ('warnings', 'Human-readable warnings'),
+        ('warning', 'Warning'),
     )
     annotation_rows = (
         ('bits', 'Bits', (5,)),
-        ('addr-data', 'Address/Data', (0, 1, 2, 3, 4, 6, 7, 8, 9)),
+        ('addr-data', 'Address/data', (0, 1, 2, 3, 4, 6, 7, 8, 9)),
         ('warnings', 'Warnings', (10,)),
     )
     binary = (
@@ -108,6 +105,9 @@ class Decoder(srd.Decoder):
     )
 
     def __init__(self):
+        self.reset()
+
+    def reset(self):
         self.samplerate = None
         self.ss = self.es = self.ss_byte = -1
         self.bitcount = 0
@@ -236,9 +236,10 @@ class Decoder(srd.Decoder):
 
     def handle_stop(self, pins):
         # Meta bitrate
-        elapsed = 1 / float(self.samplerate) * (self.samplenum - self.pdu_start + 1)
-        bitrate = int(1 / elapsed * self.pdu_bits)
-        self.put(self.ss_byte, self.samplenum, self.out_bitrate, bitrate)
+        if self.samplerate:
+            elapsed = 1 / float(self.samplerate) * (self.samplenum - self.pdu_start + 1)
+            bitrate = int(1 / elapsed * self.pdu_bits)
+            self.put(self.ss_byte, self.samplenum, self.out_bitrate, bitrate)
 
         cmd = 'STOP'
         self.ss, self.es = self.samplenum, self.samplenum
@@ -250,11 +251,6 @@ class Decoder(srd.Decoder):
         self.bits = []
 
     def decode(self):
-        if not self.samplerate:
-            raise SamplerateError('Cannot decode without samplerate.')
-
-        self.wait({})
-
         while True:
             # State machine.
             if self.state == 'FIND START':