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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2021 Sara Cinzia Halter.
#
# This is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
import numpy as np
from gnuradio import gr
from fadingui.logger import get_logger
log = get_logger("ber")
class ber(gr.sync_block):
"""
docstring for block ber
"""
def __init__(self, vgl, vlen):
gr.sync_block.__init__(self,
name="ber",
in_sig=[np.dtype(str(vlen) + "b")],
out_sig=None)
self.vgl=vgl
self.vlen=vlen
def work(self, input_items, output_items):
inp = input_items[0]
ber_tot = 0
log.debug(f"Length: {len(inp)}")
log.debug(f"Inp_vector:{inp}")
for i in inp:
log.debug(f"In Schlaufe{i}")
v = np.array(self.vgl, dtype=np.uint8)^np.array(i, dtype=np.uint8)
ber = sum(np.unpackbits(v))
log.debug(f"BER {ber} in Paket {i}")
ber_tot+=ber
log.debug(f"BER Total{ber_tot}")
return len(input_items[0])
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