def test_00(self):
        expected_result = (
            0x00, 0x11, 0x22, 0x33,
            0x44, 0x55, 0x66, 0x77,
            0x88, 0x99, 0xaa, 0xbb,
            0xcc, 0xdd, 0xee, 0xff)

        # Filter taps to expand the data to oversample by 8
        # Just using a RRC for some basic filter shape
        taps = filter.firdes.root_raised_cosine(8, 8, 1.0, 0.5, 21)
        
        src = blocks.vector_source_b(expected_result)
        frame = digital.simple_framer(4)
        unpack = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
        expand = filter.interp_fir_filter_fff(8, taps)
        b2f = blocks.char_to_float()
        mult2 = blocks.multiply_const_ff(2)
        sub1 = blocks.add_const_ff(-1)
        op = digital.simple_correlator(4)
        dst = blocks.vector_sink_b()
        self.tb.connect(src, frame, unpack, b2f, mult2, sub1, expand)
        self.tb.connect(expand, op, dst)
        self.tb.run()
        result_data = dst.data()

        self.assertEqual(expected_result, result_data)
 def test_char_to_float_scale(self):
     src_data = (1, 2, 3, 4, 5)
     expected_data = (0.5, 1.0, 1.5, 2.0, 2.5)
     src = blocks.vector_source_b(src_data)
     op = blocks.char_to_float(scale=2.0)
     dst = blocks.vector_sink_f()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertFloatTuplesAlmostEqual(expected_data, dst.data())
 def test_char_to_float_identity(self):
     src_data = (1, 2, 3, 4, 5)
     expected_data = (1.0, 2.0, 3.0, 4.0, 5.0)
     src = blocks.vector_source_b(src_data)
     op = blocks.char_to_float()
     dst = blocks.vector_sink_f()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertFloatTuplesAlmostEqual(expected_data, dst.data())
Esempio n. 4
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 def test_char_to_float_scale(self):
     src_data = (1, 2, 3, 4, 5)
     expected_data = (0.5, 1.0, 1.5, 2.0, 2.5)
     src = blocks.vector_source_b(src_data)
     op = blocks.char_to_float(scale=2.0)
     dst = blocks.vector_sink_f()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertFloatTuplesAlmostEqual(expected_data, dst.data())
Esempio n. 5
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 def test_char_to_float_identity(self):
     src_data = (1, 2, 3, 4, 5)
     expected_data = (1.0, 2.0, 3.0, 4.0, 5.0)
     src = blocks.vector_source_b(src_data)
     op = blocks.char_to_float()
     dst = blocks.vector_sink_f()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertFloatTuplesAlmostEqual(expected_data, dst.data())
Esempio n. 6
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    def xtest_ccsds_27 (self):
        src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
	expected = (0, 0, 0, 0, 1, 2, 3, 4, 5, 6)
        src = blocks.vector_source_b(src_data)
	enc = fec.encode_ccsds_27_bb()
	b2f = blocks.char_to_float()
	add = blocks.add_const_ff(-0.5)
	mul = blocks.multiply_const_ff(2.0)
	dec = fec.decode_ccsds_27_fb()
	dst = blocks.vector_sink_b()
	self.tb.connect(src, enc, b2f, add, mul, dec, dst)
	self.tb.run()
	dst_data = dst.data()
        self.assertEqual(expected, dst_data)
Esempio n. 7
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 def xtest_ccsds_27(self):
     src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
     expected = (0, 0, 0, 0, 1, 2, 3, 4, 5, 6)
     src = blocks.vector_source_b(src_data)
     enc = fec.encode_ccsds_27_bb()
     b2f = blocks.char_to_float()
     add = blocks.add_const_ff(-0.5)
     mul = blocks.multiply_const_ff(2.0)
     dec = fec.decode_ccsds_27_fb()
     dst = blocks.vector_sink_b()
     self.tb.connect(src, enc, b2f, add, mul, dec, dst)
     self.tb.run()
     dst_data = dst.data()
     self.assertEqual(expected, dst_data)
Esempio n. 8
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    def test_00(self):
        expected_result = (0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
                           0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff)

        # Filter taps to expand the data to oversample by 8
        # Just using a RRC for some basic filter shape
        taps = filter.firdes.root_raised_cosine(8, 8, 1.0, 0.5, 21)

        src = blocks.vector_source_b(expected_result)
        frame = digital.simple_framer(4)
        unpack = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
        expand = filter.interp_fir_filter_fff(8, taps)
        b2f = blocks.char_to_float()
        mult2 = blocks.multiply_const_ff(2)
        sub1 = blocks.add_const_ff(-1)
        op = digital.simple_correlator(4)
        dst = blocks.vector_sink_b()
        self.tb.connect(src, frame, unpack, b2f, mult2, sub1, expand)
        self.tb.connect(expand, op, dst)
        self.tb.run()
        result_data = dst.data()

        self.assertEqual(expected_result, result_data)