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132 lines
4.3 KiB
132 lines
4.3 KiB
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Digital Voice Modem - Test Suite
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright (C) 2026 Bryan Biedenkapp, N2PLL
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*
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*/
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#include "host/Defines.h"
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#include "common/p25/P25Defines.h"
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#include "common/p25/dfsi/DFSIDefines.h"
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#include "common/p25/dfsi/frames/StartOfStream.h"
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#include "common/p25/dfsi/frames/FullRateVoice.h"
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#include <catch2/catch_test_macros.hpp>
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#include <cstring>
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using namespace p25;
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using namespace p25::defines;
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using namespace p25::dfsi;
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using namespace p25::dfsi::defines;
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using namespace p25::dfsi::frames;
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TEST_CASE("DFSI StartOfStream and FullRateVoice encode/decode round-trips", "[p25][dfsi][frames]")
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{
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SECTION("StartOfStream preserves NID and low nibble error count") {
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StartOfStream tx;
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tx.setNID(0xA55AU);
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tx.setErrorCount(0x1DU);
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uint8_t buffer[StartOfStream::LENGTH] = { 0U };
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tx.encode(buffer);
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StartOfStream rx;
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REQUIRE(rx.decode(buffer));
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REQUIRE(rx.getNID() == 0xA55AU);
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REQUIRE(rx.getErrorCount() == 0x0DU);
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}
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SECTION("FullRateVoice LDU1 voice3 includes four additional bytes") {
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FullRateVoice tx;
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tx.setFrameType(DFSIFrameType::LDU1_VOICE3);
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tx.setTotalErrors(5U);
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tx.setMuteFrame(true);
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tx.setLostFrame(false);
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tx.setSuperframeCnt(2U);
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tx.setBusy(DFSI_BUSY_BITS_BUSY);
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for (uint8_t i = 0U; i < FullRateVoice::IMBE_BUF_LEN; i++)
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tx.imbeData[i] = (uint8_t)(0x20U + i);
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tx.additionalData[0U] = 0x11U;
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tx.additionalData[1U] = 0x22U;
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tx.additionalData[2U] = 0x33U;
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tx.additionalData[3U] = 0x44U;
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uint8_t buffer[FullRateVoice::LENGTH] = { 0U };
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tx.encode(buffer);
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FullRateVoice rx;
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REQUIRE(rx.decode(buffer));
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REQUIRE(rx.getFrameType() == DFSIFrameType::LDU1_VOICE3);
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REQUIRE(rx.getLength() == FullRateVoice::LENGTH);
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REQUIRE(rx.getTotalErrors() == 5U);
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REQUIRE(rx.getMuteFrame() == true);
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REQUIRE(rx.getLostFrame() == false);
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REQUIRE(rx.getSuperframeCnt() == 2U);
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REQUIRE(rx.getBusy() == DFSI_BUSY_BITS_BUSY);
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REQUIRE(::memcmp(rx.imbeData, tx.imbeData, FullRateVoice::IMBE_BUF_LEN) == 0);
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REQUIRE(::memcmp(rx.additionalData, tx.additionalData, FullRateVoice::ADDITIONAL_LENGTH) == 0);
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}
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SECTION("FullRateVoice LDU1 voice9 uses three-byte additional payload") {
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FullRateVoice tx;
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tx.setFrameType(DFSIFrameType::LDU1_VOICE9);
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tx.setTotalErrors(1U);
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tx.setMuteFrame(false);
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tx.setLostFrame(true);
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tx.setSuperframeCnt(1U);
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tx.setBusy(DFSI_BUSY_BITS_INBOUND);
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for (uint8_t i = 0U; i < FullRateVoice::IMBE_BUF_LEN; i++)
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tx.imbeData[i] = (uint8_t)(0x40U + i);
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tx.additionalData[0U] = 0xAAU;
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tx.additionalData[1U] = 0xBBU;
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tx.additionalData[2U] = 0xCCU;
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tx.additionalData[3U] = 0xDDU;
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uint8_t buffer[FullRateVoice::LENGTH_918] = { 0U };
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tx.encode(buffer);
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FullRateVoice rx;
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REQUIRE(rx.decode(buffer));
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REQUIRE(rx.getFrameType() == DFSIFrameType::LDU1_VOICE9);
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REQUIRE(rx.getLength() == FullRateVoice::LENGTH_918);
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REQUIRE(rx.additionalData != nullptr);
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REQUIRE(rx.additionalData[0U] == 0xAAU);
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REQUIRE(rx.additionalData[1U] == 0xBBU);
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REQUIRE(rx.additionalData[2U] == 0xCCU);
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REQUIRE(rx.additionalData[3U] == 0x00U);
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}
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SECTION("FullRateVoice LDU1 voice2 has no additional payload") {
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FullRateVoice tx;
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tx.setFrameType(DFSIFrameType::LDU1_VOICE2);
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tx.setTotalErrors(7U);
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tx.setMuteFrame(false);
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tx.setLostFrame(false);
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tx.setSuperframeCnt(3U);
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tx.setBusy(DFSI_BUSY_BITS_IDLE);
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for (uint8_t i = 0U; i < FullRateVoice::IMBE_BUF_LEN; i++)
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tx.imbeData[i] = (uint8_t)(0x60U + i);
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uint8_t buffer[FullRateVoice::LENGTH_121011] = { 0U };
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tx.encode(buffer);
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FullRateVoice rx;
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REQUIRE(rx.decode(buffer));
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REQUIRE(rx.getFrameType() == DFSIFrameType::LDU1_VOICE2);
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REQUIRE(rx.getLength() == FullRateVoice::LENGTH_121011);
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REQUIRE(rx.additionalData == nullptr);
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}
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}
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