def test_001(self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_data = (5, 10)
src = gr.vector_source_b(src_data);
op = blocks_swig.keep_one_in_n(gr.sizeof_char, 5)
dst = gr.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
self.assertEqual(dst.data(), expected_data)
def test_001(self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_data = (5, 10)
src = gr.vector_source_b(src_data)
op = blocks_swig.keep_one_in_n(gr.sizeof_char, 5)
dst = gr.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
self.assertEqual(dst.data(), expected_data)
def __init__(self, item_size, sample_rate, vec_rate, vec_len):
"""
Create the block chain.
Args:
item_size: the number of bytes per sample
sample_rate: the rate of incoming samples
vec_rate: the rate of outgoing vectors (same units as sample_rate)
vec_len: the length of the outgoing vectors in items
"""
self._vec_rate = vec_rate
self._vec_len = vec_len
self._sample_rate = sample_rate
gr.hier_block2.__init__(self, "stream_to_vector_decimator",
gr.io_signature(1, 1, item_size), # Input signature
gr.io_signature(1, 1, item_size*vec_len)) # Output signature
s2v = blocks.stream_to_vector(item_size, vec_len)
self.one_in_n = blocks.keep_one_in_n(item_size*vec_len, 1)
self._update_decimator()
self.connect(self, s2v, self.one_in_n, self)
