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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 Daniel Estevez <daniel@destevez.net>
# 2025 Fabian P. Schmidt <kerel@mailbox.org>
#
# This file is part of gr-satellites
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
from gnuradio import gr, blocks, gr_unittest
import numpy as np
import pmt
# bootstrap satellites module, even from build dir
try:
import python as satellites
except ImportError:
pass
else:
import sys
sys.modules['satellites'] = satellites
from satellites.components.deframers import mobitex_deframer
class qa_mobitex_deframer(gr_unittest.TestCase):
def setUp(self):
file_base = __file__.rstrip('.py')
self.symbols_path = file_base + '_symbols.f32'
self.frame_path = file_base + '_frame.bin'
self.tb = gr.top_block()
self.frames_desired = [np.fromfile(self.frame_path, dtype='uint8')]
def tearDown(self):
self.tb = None
def test_mobitex_deframer(self):
"""Test mobitex deframer
Loads symbols from a BEESAT-9 packet and checks if mobitex_deframer
produces the expected output and intermediate data (stored in
reference files)"""
input = blocks.file_source(gr.sizeof_float, self.symbols_path)
deframer = mobitex_deframer(
nx=True,
callsign='DP0BEM',
callsign_threshold=0,
syncword_threshold=0,
)
dbg_frame = blocks.message_debug()
self.tb.connect(input, deframer)
self.tb.msg_connect((deframer, 'out'), (dbg_frame, 'store'))
self.tb.start()
self.tb.wait()
num_msgs_desired = len(self.frames_desired)
num_msgs_actual = dbg_frame.num_messages()
self.assertEqual(num_msgs_actual, num_msgs_desired)
for idx, frame_desired in enumerate(self.frames_desired):
frame_actual = np.array(
pmt.u8vector_elements(pmt.cdr(dbg_frame.get_message(idx))),
dtype=np.uint8)
np.testing.assert_array_equal(frame_actual, frame_desired)
if __name__ == '__main__':
gr_unittest.run(qa_mobitex_deframer)
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