# https://www.sparkfun.com/products/9281
#
+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.
def __init__(self, data):
self.data = data
def probe(self, probe):
- s = ord(self.data[probe / 8]) & (1 << (probe % 8))
+ s = self.data[int(probe / 8)] & (1 << (probe % 8))
return True if s else False
def sampleiter(data, unitsize):
for i in range(0, len(data), unitsize):
yield(Sample(data[i:i+unitsize]))
-class Decoder():
+class Decoder(sigrok.Decoder):
id = 'nunchuk'
name = 'Nunchuk'
longname = 'Nintendo Wii Nunchuk decoder'
def __init__(self, **kwargs):
self.probes = Decoder.probes.copy()
+ self.output_protocol = None
+ self.output_annotation = None
# 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
def start(self, metadata):
self.unitsize = metadata['unitsize']
+ # self.output_protocol = self.output_new(2)
+ self.output_annotation = self.output_new(1)
def report(self):
pass
- def decode(self, data):
+ def decode(self, timeoffset, duration, data):
"""Nintendo Wii Nunchuk decoder"""
out = []
# 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
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:
# 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
- sigrok.put(out)
-
-import sigrok
-
-sigrok.register(Decoder)
+ if out != []:
+ # self.put(self.output_protocol, 0, 0, out_proto)
+ self.put(self.output_annotation, 0, 0, out)