def test_003(self):
# Cause a 8 bit errors out of 8*N bits
# using test mode
# Exit if BER < -2.0
mode = True
N = 1000
data0 = numpy.random.randint(0, 256, N).tolist()
data1 = copy.deepcopy(data0)
data1[0] ^= 0xFF
src0 = blocks.vector_source_b(data0)
src1 = blocks.vector_source_b(data1)
op = fec.ber_bf(mode, 10, -2.0)
dst = blocks.vector_sink_f()
self.tb.connect(src0, (op, 0))
self.tb.connect(src1, (op, 1))
self.tb.connect(op, dst)
self.tb.run()
data = dst.data()
expected_result = [-2.0]
print data
print expected_result
self.assertFloatTuplesAlmostEqual(expected_result, data, 5)
def test_002(self):
# Cause 8 bit errors out of 8*N bits
# using test mode
mode = True
N = 1000
data0 = numpy.random.randint(0, 256, N).tolist()
data1 = copy.deepcopy(data0)
data1[0] ^= 0xFF
src0 = blocks.vector_source_b(data0)
src1 = blocks.vector_source_b(data1)
op = fec.ber_bf(mode, 1, -2.0)
dst = blocks.vector_sink_f()
self.tb.connect(src0, (op, 0))
self.tb.connect(src1, (op, 1))
self.tb.connect(op, dst)
self.tb.run()
data = dst.data()
expected_result = [
numpy.log10(8.0 / (8.0 * N)),
]
self.assertFloatTuplesAlmostEqual(expected_result, data, 5)
def test_004(self):
# Cause 16 consecutive bit errors out of 8*N bits
# make sure bytes are only read once.
# using streaming mode
mode = False
N = 10000
data0 = numpy.random.randint(0, 256, N).tolist()
data1 = copy.deepcopy(data0)
data1[0] ^= 0xFF
data1[1] ^= 0xFF
src0 = blocks.vector_source_b(data0)
src1 = blocks.vector_source_b(data1)
op = fec.ber_bf(mode)
dst = blocks.vector_sink_f()
self.tb.connect(src0, (op, 0))
self.tb.connect(src1, (op, 1))
self.tb.connect(op, dst)
self.tb.run()
data = dst.data()
expected_result = self.log_ber(16, N)
self.assertFloatTuplesAlmostEqual(expected_result, data, 5)
def test_001(self):
# Cause a single bit error out of 8*N bits
# using test mode
mode = True
N = 1000
data0 = numpy.random.randint(0, 256, N).tolist()
data1 = copy.deepcopy(data0)
data1[0] ^= 0x01
src0 = blocks.vector_source_b(data0)
src1 = blocks.vector_source_b(data1)
op = fec.ber_bf(mode, 1)
dst = blocks.vector_sink_f()
self.tb.connect(src0, (op, 0))
self.tb.connect(src1, (op, 1))
self.tb.connect(op, dst)
self.tb.run()
data = dst.data()
expected_result = [numpy.log10(1.0 / (8.0 * N))]
self.assertFloatTuplesAlmostEqual(expected_result, data, 5)
def test_000(self):
# Cause a single bit error out of 8*N bits
# using streaming mode
mode = False
N = 10000
data0 = numpy.random.randint(0, 256, N).tolist()
data1 = copy.deepcopy(data0)
data1[0] ^= 0x01
src0 = blocks.vector_source_b(data0)
src1 = blocks.vector_source_b(data1)
op = fec.ber_bf(mode)
dst = blocks.vector_sink_f()
self.tb.connect(src0, (op, 0))
self.tb.connect(src1, (op, 1))
self.tb.connect(op, dst)
self.tb.run()
data = dst.data()
expected_result = self.log_ber(1., N) # [numpy.log10(1.0 / (8.0 * N)), ]
self.assertFloatTuplesAlmostEqual(expected_result, data, 5)
