<value>: integer
'''
-class SamplerateError(Exception):
- pass
-
class Decoder(srd.Decoder):
api_version = 3
id = 'i2s'
)
def __init__(self):
+ self.reset()
+
+ def reset(self):
self.samplerate = None
self.oldws = 1
self.bitcount = 0
self.put(self.ss_block, self.samplenum, self.out_ann, data)
def report(self):
-
# Calculate the sample rate.
samplerate = '?'
if self.ss_block is not None and \
self.first_sample is not None and \
- self.ss_block > self.first_sample:
+ self.ss_block > self.first_sample and \
+ self.samplerate:
samplerate = '%d' % (self.samplesreceived *
self.samplerate / (self.ss_block -
self.first_sample))
return h
def wav_sample(self, sample):
- return struct.pack('I', self.data)
+ return struct.pack('<I', self.data)
def decode(self):
- if not self.samplerate:
- raise SamplerateError('Cannot decode without samplerate.')
while True:
# Wait for a rising edge on the SCK pin.
sck, ws, sd = self.wait({0: 'r'})