def test03 (self):
randints = numpy.random.randint(0, 256, 123)
blob = pmt.pmt_make_blob(len(randints))
blob_data = pmt.pmt_blob_data(blob)
blob_data[:] = randints #assign rand ints to data
self.assertItemsEqual(blob_data, randints)
blob_data = pmt.pmt_blob_data(blob)
self.assertItemsEqual(blob_data, randints)
def test03(self):
randints = numpy.random.randint(0, 256, 123)
blob = pmt.pmt_make_blob(len(randints))
blob_data = pmt.pmt_blob_data(blob)
blob_data[:] = randints #assign rand ints to data
self.assertItemsEqual(blob_data, randints)
blob_data = pmt.pmt_blob_data(blob)
self.assertItemsEqual(blob_data, randints)
def numpy_to_blob(p):
p = p.view(numpy.uint8)
b = pmt.pmt_make_blob(len(p))
pmt.pmt_blob_data(b)[:] = p
return b
def numpy_to_blob(p):
p = p.view(numpy.uint8)
b = pmt.pmt_make_blob(len(p))
pmt.pmt_blob_data(b)[:] = p
return b
def work(self, input_items, output_items):
while not len(self._pkt):
try: msg = self.pop_msg_queue()
except: return -1
if not pmt.pmt_is_blob(msg.value):
self.tx_time,data,self.more_frame_cnt = pmt.to_python(msg.value)
self.has_tx_time = True
#print data
#print tx_time
#print data.tostring()
else:
data = pmt.pmt_blob_data(msg.value)
#print data
self.has_tx_time = False
pkt = packet_utils.make_packet(
data.tostring(),
self._samples_per_symbol,
self._bits_per_symbol,
self._access_code,
False, #pad_for_usrp,
self._whitener_offset,
)
self._pkt = numpy.fromstring(pkt, numpy.uint8)
if self._use_whitener_offset:
self._whitener_offset = (self._whitener_offset + 1) % 16
#shouldn't really need to send start of burst
#only need to do sob if looking for timed transactions
num_items = min(len(self._pkt), len(output_items[0]))
output_items[0][:num_items] = self._pkt[:num_items]
self._pkt = self._pkt[num_items:] #residue for next work()
if len(self._pkt) == 0 :
item_index = num_items #which output item gets the tag?
offset = self.nitems_written(0) + item_index
source = pmt.pmt_string_to_symbol("framer")
#print 'frame cnt',self.more_frame_cnt
if self.has_tx_time:
key = pmt.pmt_string_to_symbol("tx_sob")
self.add_item_tag(0, self.nitems_written(0), key, pmt.PMT_T, source)
key = pmt.pmt_string_to_symbol("tx_time")
self.add_item_tag(0, self.nitems_written(0), key, pmt.from_python(self.tx_time), source)
#if self.keep:
# print 'bad order'
#self.keep = True
if self.more_frame_cnt == 0:
key = pmt.pmt_string_to_symbol("tx_eob")
self.add_item_tag(0, offset - 1, key, pmt.PMT_T, source)
#if self.keep:
# print 'good order'
#self.keep = False
else:
self.more_frame_cnt -= 1
return num_items
