]> sigrok.org Git - libsigrokdecode.git/blobdiff - decoders/i2s/pd.py
i2s: Use annotation types.
[libsigrokdecode.git] / decoders / i2s / pd.py
index 28a48502fd3edad3d826a759f326139171734bc1..c4ac4fba2daeafe46d66176d0f4d8ec368868b87 100644 (file)
@@ -22,9 +22,6 @@
 
 import sigrokdecode as srd
 
-# Annotation formats
-ANN_HEX = 0
-
 class Decoder(srd.Decoder):
     api_version = 1
     id = 'i2s'
@@ -42,7 +39,9 @@ class Decoder(srd.Decoder):
     optional_probes = []
     options = {}
     annotations = [
-        ['Hex', 'Annotations in hex format'],
+        ['left', 'Left channel'],
+        ['right', 'Right channel'],
+        ['warnings', 'Warnings'],
     ]
 
     def __init__(self, **kwargs):
@@ -53,7 +52,6 @@ class Decoder(srd.Decoder):
         self.samplesreceived = 0
         self.first_sample = None
         self.start_sample = None
-        self.samplenum = -1
         self.wordlength = -1
 
     def start(self, metadata):
@@ -96,16 +94,16 @@ class Decoder(srd.Decoder):
             # Only submit the sample, if we received the beginning of it.
             if self.start_sample != None:
                 self.samplesreceived += 1
-                self.put(self.start_sample, self.samplenum, self.out_proto,
+                self.put(self.start_sample, samplenum, self.out_proto,
                          ['data', self.data])
-                self.put(self.start_sample, self.samplenum, self.out_ann,
-                         [ANN_HEX, ['%s: 0x%08x' % ('L' if self.oldws else 'R',
-                         self.data)]])
+                idx = 0 if self.oldws else 1
+                self.put(self.start_sample, samplenum, self.out_ann,
+                         [idx, ['0x%08x', self.data)]])
 
                 # Check that the data word was the correct length.
                 if self.wordlength != -1 and self.wordlength != self.bitcount:
-                    self.put(self.start_sample, self.samplenum, self.out_ann,
-                        [ANN_HEX, ['WARNING: Received a %d-bit word, when a '
+                    self.put(self.start_sample, samplenum, self.out_ann,
+                        [2, ['Received a %d-bit word, when a '
                         '%d-bit word was expected' % (self.bitcount,
                         self.wordlength)]])
 
@@ -114,11 +112,11 @@ class Decoder(srd.Decoder):
             # Reset decoder state.
             self.data = 0
             self.bitcount = 0
-            self.start_sample = self.samplenum
+            self.start_sample = samplenum
 
             # Save the first sample position.
             if self.first_sample == None:
-                self.first_sample = self.samplenum
+                self.first_sample = samplenum
 
             self.oldws = ws