Osmocom GSM/GPRS/EGPRS transceiver, originally forked from OpenBTS transceiver. For building SDR based GSM BTS with osmo-bts-trx.
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osmo-trx/tests/CommonLibs/PRBSTest.cpp

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/*
* Copyright (C) 2017 Alexander Chemeris <Alexander.Chemeris@fairwaves.co>
*
* SPDX-License-Identifier: LGPL-2.1+
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*/
#include "PRBS.h"
#include <iostream>
#include <cstdlib>
#include <assert.h>
void testPrbs(PRBS &prbs, uint64_t expectedPeriod)
{
uint64_t period = 0;
do {
std::cout << prbs.generateBit();
period++;
} while (!prbs.isFinished());
std::cout << std::endl;
std::cout << "Period: " << period << std::endl;
assert(period == expectedPeriod);
}
int main(int argc, char *argv[])
{
PRBS9 prbs9(0x01);
testPrbs(prbs9, (1<<9)-1);
PRBS15 prbs15(0x01);
testPrbs(prbs15, (1<<15)-1);
}