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-rw-r--r--decoders/nunchuk.py28
1 files changed, 16 insertions, 12 deletions
diff --git a/decoders/nunchuk.py b/decoders/nunchuk.py
index 95ba3b6..635a714 100644
--- a/decoders/nunchuk.py
+++ b/decoders/nunchuk.py
@@ -32,6 +32,13 @@
import sigrok
+# States
+IDLE = 0
+START = 1
+NUNCHUK_SLAVE = 2
+INIT = 3
+INITIALIZED = 4
+
# FIXME: This is just some example input for testing purposes...
example_packets = [
# START condition.
@@ -86,10 +93,7 @@ class Decoder(sigrok.Decoder):
# TODO: Don't hardcode the number of channels.
self.channels = 8
- self.IDLE, self.START, self.NUNCHUK_SLAVE, self.INIT, \
- self.INITIALIZED = range(5)
-
- self.state = self.IDLE # TODO: Can we assume a certain initial state?
+ self.state = IDLE # TODO: Can we assume a certain initial state?
self.sx = self.sy = self.ax = self.ay = self.az = self.bz = self.bc = 0
@@ -115,7 +119,7 @@ class Decoder(sigrok.Decoder):
# s = ord(sample.data)
if p['type'] == 'S': # TODO: Handle 'Sr' here, too?
- self.state = self.START
+ self.state = START
elif p['type'] == 'Sr':
pass # FIXME
@@ -132,7 +136,7 @@ class Decoder(sigrok.Decoder):
else:
pass # TODO: What to do here? Ignore? Error?
- elif p['type'] == 'DR' and self.state == self.INITIALIZED:
+ elif p['type'] == 'DR' and self.state == INITIALIZED:
if self.databytecount == 0:
self.sx = p['data']
elif self.databytecount == 1:
@@ -163,23 +167,23 @@ class Decoder(sigrok.Decoder):
# TODO: If 6 bytes read -> save and reset
# TODO
- elif p['type'] == 'DR' and self.state != self.INITIALIZED:
+ elif p['type'] == 'DR' and self.state != INITIALIZED:
pass
elif p['type'] == 'DW':
- if p['data'] == 0x40 and self.state == self.START:
- self.state = self.INIT
- elif p['data'] == 0x00 and self.state == self.INIT:
+ if p['data'] == 0x40 and self.state == START:
+ self.state = INIT
+ elif p['data'] == 0x00 and self.state == INIT:
o = {'type': 'I', 'range': (0, 0), 'data': []}
o['data'] = [0x40, 0x00]
out.append(o)
- self.state = self.INITIALIZED
+ self.state = INITIALIZED
else:
pass # TODO
elif p['type'] == 'P':
out.append(o)
- self.state = self.INITIALIZED
+ self.state = INITIALIZED
self.databytecount = 0
self.put(out)