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Fix commit with bad line endings.
This commit is contained in:
Bryan Biedenkapp
130
P25Control.cpp
130
P25Control.cpp
@@ -1,6 +1,6 @@
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/*
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* Copyright (C) 2016,2017,2018 by Jonathan Naylor G4KLX
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* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
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* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -350,86 +350,86 @@ bool CP25Control::writeModem(unsigned char* data, unsigned int len)
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return true;
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}
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else if (duid == P25_DUID_TSDU) {
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if (m_rfState != RS_RF_DATA) {
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m_rfPDUCount = 0U;
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m_rfPDUBits = 0U;
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m_rfState = RS_RF_DATA;
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m_rfDataFrames = 0U;
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}
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else if (duid == P25_DUID_TSDU) {
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if (m_rfState != RS_RF_DATA) {
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m_rfPDUCount = 0U;
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m_rfPDUBits = 0U;
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m_rfState = RS_RF_DATA;
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m_rfDataFrames = 0U;
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}
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bool ret = m_rfData.decodeTSDU(data + 2U);
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if (!ret) {
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m_lastDUID = duid;
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return false;
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}
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bool ret = m_rfData.decodeTSDU(data + 2U);
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if (!ret) {
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m_lastDUID = duid;
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return false;
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}
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unsigned int srcId = m_rfData.getSrcId();
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unsigned int dstId = m_rfData.getDstId();
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unsigned int srcId = m_rfData.getSrcId();
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unsigned int dstId = m_rfData.getDstId();
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unsigned char data[P25_TSDU_FRAME_LENGTH_BYTES + 2U];
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unsigned char data[P25_TSDU_FRAME_LENGTH_BYTES + 2U];
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switch (m_rfData.getLCF()) {
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case P25_LCF_TSBK_CALL_ALERT:
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LogMessage("P25, received RF TSDU transmission, CALL ALERT from %u to %u", srcId, dstId);
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::memset(data + 2U, 0x00U, P25_TSDU_FRAME_LENGTH_BYTES);
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switch (m_rfData.getLCF()) {
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case P25_LCF_TSBK_CALL_ALERT:
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LogMessage("P25, received RF TSDU transmission, CALL ALERT from %u to %u", srcId, dstId);
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::memset(data + 2U, 0x00U, P25_TSDU_FRAME_LENGTH_BYTES);
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// Regenerate Sync
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CSync::addP25Sync(data + 2U);
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// Regenerate Sync
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CSync::addP25Sync(data + 2U);
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// Regenerate NID
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m_nid.encode(data + 2U, P25_DUID_TSDU);
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// Regenerate NID
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m_nid.encode(data + 2U, P25_DUID_TSDU);
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// Regenerate TDULC Data
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m_rfData.encodeTSDU(data + 2U);
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// Regenerate TDULC Data
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m_rfData.encodeTSDU(data + 2U);
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// Add busy bits
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addBusyBits(data + 2U, P25_TSDU_FRAME_LENGTH_BITS, true, false);
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// Add busy bits
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addBusyBits(data + 2U, P25_TSDU_FRAME_LENGTH_BITS, true, false);
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// Set first busy bits to 1,1
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setBusyBits(data + 2U, P25_SS0_START, true, true);
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// Set first busy bits to 1,1
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setBusyBits(data + 2U, P25_SS0_START, true, true);
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if (m_duplex) {
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data[0U] = TAG_DATA;
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data[1U] = 0x00U;
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if (m_duplex) {
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data[0U] = TAG_DATA;
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data[1U] = 0x00U;
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writeQueueRF(data, P25_TSDU_FRAME_LENGTH_BYTES + 2U);
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}
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break;
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case P25_LCF_TSBK_ACK_RSP_FNE:
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LogMessage("P25, received RF TSDU transmission, ACK RESPONSE FNE from %u to %u", srcId, dstId);
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::memset(data + 2U, 0x00U, P25_TSDU_FRAME_LENGTH_BYTES);
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writeQueueRF(data, P25_TSDU_FRAME_LENGTH_BYTES + 2U);
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}
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break;
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case P25_LCF_TSBK_ACK_RSP_FNE:
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LogMessage("P25, received RF TSDU transmission, ACK RESPONSE FNE from %u to %u", srcId, dstId);
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::memset(data + 2U, 0x00U, P25_TSDU_FRAME_LENGTH_BYTES);
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// Regenerate Sync
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CSync::addP25Sync(data + 2U);
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// Regenerate Sync
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CSync::addP25Sync(data + 2U);
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// Regenerate NID
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m_nid.encode(data + 2U, P25_DUID_TSDU);
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// Regenerate NID
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m_nid.encode(data + 2U, P25_DUID_TSDU);
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// Regenerate TDULC Data
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m_rfData.encodeTSDU(data + 2U);
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// Regenerate TDULC Data
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m_rfData.encodeTSDU(data + 2U);
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// Add busy bits
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addBusyBits(data + 2U, P25_TSDU_FRAME_LENGTH_BITS, true, false);
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// Add busy bits
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addBusyBits(data + 2U, P25_TSDU_FRAME_LENGTH_BITS, true, false);
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// Set first busy bits to 1,1
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setBusyBits(data + 2U, P25_SS0_START, true, true);
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// Set first busy bits to 1,1
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setBusyBits(data + 2U, P25_SS0_START, true, true);
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if (m_duplex) {
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data[0U] = TAG_DATA;
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data[1U] = 0x00U;
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if (m_duplex) {
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data[0U] = TAG_DATA;
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data[1U] = 0x00U;
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writeQueueRF(data, P25_TSDU_FRAME_LENGTH_BYTES + 2U);
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}
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break;
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default:
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LogMessage("P25, recieved RF TSDU transmission, unhandled LCF $%02X", m_rfData.getLCF());
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break;
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}
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writeQueueRF(data, P25_TSDU_FRAME_LENGTH_BYTES + 2U);
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}
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break;
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default:
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LogMessage("P25, recieved RF TSDU transmission, unhandled LCF $%02X", m_rfData.getLCF());
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break;
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}
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m_rfState = RS_RF_LISTENING;
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return true;
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}
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m_rfState = RS_RF_LISTENING;
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return true;
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}
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} else if (duid == P25_DUID_TERM || duid == P25_DUID_TERM_LC) {
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if (m_rfState == RS_RF_AUDIO) {
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writeNetwork(m_rfLDU, m_lastDUID, true);
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@@ -779,10 +779,10 @@ void CP25Control::writeNetwork(const unsigned char *data, unsigned char type, bo
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void CP25Control::setBusyBits(unsigned char* data, unsigned int ssOffset, bool b1, bool b2)
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{
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assert(data != NULL);
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assert(data != NULL);
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WRITE_BIT(data, ssOffset, b1);
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WRITE_BIT(data, ssOffset + 1U, b2);
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WRITE_BIT(data, ssOffset, b1);
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WRITE_BIT(data, ssOffset + 1U, b2);
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}
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void CP25Control::addBusyBits(unsigned char* data, unsigned int length, bool b1, bool b2)
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@@ -1,6 +1,6 @@
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/*
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* Copyright (C) 2016,2017,2018 by Jonathan Naylor G4KLX
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* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
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* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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185
P25Data.cpp
185
P25Data.cpp
@@ -1,6 +1,6 @@
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/*
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* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
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* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
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* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -56,7 +56,6 @@ m_lcf(0x00U),
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m_emergency(false),
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m_srcId(0U),
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m_dstId(0U),
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m_serviceType(0U),
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m_rs241213(),
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m_trellis()
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{
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@@ -212,112 +211,112 @@ void CP25Data::encodeLDU2(unsigned char* data)
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bool CP25Data::decodeTSDU(const unsigned char* data)
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{
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assert(data != NULL);
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assert(data != NULL);
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// deinterleave
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unsigned char tsbk[12U];
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unsigned char raw[25U];
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CP25Utils::decode(data, raw, 114U, 318U);
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// deinterleave
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unsigned char tsbk[12U];
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unsigned char raw[25U];
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CP25Utils::decode(data, raw, 114U, 318U);
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// decode 1/2 rate Trellis & check CRC-CCITT 16
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try {
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bool ret = m_trellis.decode12(raw, tsbk);
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if (ret)
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ret = CCRC::checkCCITT162(tsbk, 12U);
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if (!ret)
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return false;
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}
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catch (...) {
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CUtils::dump(2U, "P25, CRC failed with input data", tsbk, 12U);
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return false;
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}
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// decode 1/2 rate Trellis & check CRC-CCITT 16
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try {
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bool ret = m_trellis.decode12(raw, tsbk);
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if (ret)
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ret = CCRC::checkCCITT162(tsbk, 12U);
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if (!ret)
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return false;
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}
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catch (...) {
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CUtils::dump(2U, "P25, CRC failed with input data", tsbk, 12U);
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return false;
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}
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m_lcf = tsbk[0U] & 0x3F;
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m_mfId = tsbk[1U];
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m_lcf = tsbk[0U] & 0x3F;
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m_mfId = tsbk[1U];
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unsigned long long tsbkValue = 0U;
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unsigned long long tsbkValue = 0U;
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// combine bytes into rs value
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tsbkValue = tsbk[2U];
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tsbkValue = (tsbkValue << 8) + tsbk[3U];
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tsbkValue = (tsbkValue << 8) + tsbk[4U];
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tsbkValue = (tsbkValue << 8) + tsbk[5U];
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tsbkValue = (tsbkValue << 8) + tsbk[6U];
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tsbkValue = (tsbkValue << 8) + tsbk[7U];
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tsbkValue = (tsbkValue << 8) + tsbk[8U];
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tsbkValue = (tsbkValue << 8) + tsbk[9U];
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// combine bytes into rs value
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tsbkValue = tsbk[2U];
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tsbkValue = (tsbkValue << 8) + tsbk[3U];
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tsbkValue = (tsbkValue << 8) + tsbk[4U];
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tsbkValue = (tsbkValue << 8) + tsbk[5U];
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tsbkValue = (tsbkValue << 8) + tsbk[6U];
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tsbkValue = (tsbkValue << 8) + tsbk[7U];
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tsbkValue = (tsbkValue << 8) + tsbk[8U];
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tsbkValue = (tsbkValue << 8) + tsbk[9U];
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switch (m_lcf) {
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case P25_LCF_TSBK_CALL_ALERT:
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m_dstId = (unsigned int)((tsbkValue >> 24) & 0xFFFFFFU); // Target Radio Address
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m_srcId = (unsigned int)(tsbkValue & 0xFFFFFFU); // Source Radio Address
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break;
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case P25_LCF_TSBK_ACK_RSP_FNE:
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m_serviceType = (unsigned char)((tsbkValue >> 56) & 0xFFU); // Service Type
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m_dstId = (unsigned int)((tsbkValue >> 24) & 0xFFFFFFU); // Target Radio Address
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m_srcId = (unsigned int)(tsbkValue & 0xFFFFFFU); // Source Radio Address
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break;
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default:
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LogMessage("P25, unknown LCF value in TSDU - $%02X", m_lcf);
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break;
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}
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switch (m_lcf) {
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case P25_LCF_TSBK_CALL_ALERT:
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m_dstId = (unsigned int)((tsbkValue >> 24) & 0xFFFFFFU); // Target Radio Address
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m_srcId = (unsigned int)(tsbkValue & 0xFFFFFFU); // Source Radio Address
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break;
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case P25_LCF_TSBK_ACK_RSP_FNE:
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m_serviceType = (unsigned char)((tsbkValue >> 56) & 0xFFU); // Service Type
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m_dstId = (unsigned int)((tsbkValue >> 24) & 0xFFFFFFU); // Target Radio Address
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m_srcId = (unsigned int)(tsbkValue & 0xFFFFFFU); // Source Radio Address
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break;
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default:
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LogMessage("P25, unknown LCF value in TSDU - $%02X", m_lcf);
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break;
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}
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return true;
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return true;
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}
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void CP25Data::encodeTSDU(unsigned char* data)
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{
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assert(data != NULL);
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assert(data != NULL);
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unsigned char tsbk[12U];
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::memset(tsbk, 0x00U, 12U);
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unsigned char tsbk[12U];
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::memset(tsbk, 0x00U, 12U);
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unsigned long long tsbkValue = 0U;
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tsbk[0U] = m_lcf;
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tsbk[0U] |= 0x80;
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unsigned long long tsbkValue = 0U;
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tsbk[0U] = m_lcf;
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tsbk[0U] |= 0x80;
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tsbk[1U] = m_mfId;
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tsbk[1U] = m_mfId;
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switch (m_lcf) {
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case P25_LCF_TSBK_CALL_ALERT:
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tsbkValue = 0U;
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tsbkValue = (tsbkValue << 16) + 0U;
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tsbkValue = (tsbkValue << 24) + m_dstId; // Target Radio Address
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tsbkValue = (tsbkValue << 24) + m_srcId; // Source Radio Address
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break;
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case P25_LCF_TSBK_ACK_RSP_FNE:
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tsbkValue = 0U; // Additional Info. Flag
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tsbkValue = (tsbkValue << 1) + 0U; // Extended Address Flag
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tsbkValue = (tsbkValue << 16) + (m_serviceType & 0xFF); // Service Type
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tsbkValue = (tsbkValue << 32) + m_dstId; // Target Radio Address
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tsbkValue = (tsbkValue << 24) + m_srcId; // Source Radio Address
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break;
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default:
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LogMessage("P25, unknown LCF value in TSDU - $%02X", m_lcf);
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break;
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}
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switch (m_lcf) {
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case P25_LCF_TSBK_CALL_ALERT:
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tsbkValue = 0U;
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tsbkValue = (tsbkValue << 16) + 0U;
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tsbkValue = (tsbkValue << 24) + m_dstId; // Target Radio Address
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tsbkValue = (tsbkValue << 24) + m_srcId; // Source Radio Address
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break;
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case P25_LCF_TSBK_ACK_RSP_FNE:
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tsbkValue = 0U; // Additional Info. Flag
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tsbkValue = (tsbkValue << 1) + 0U; // Extended Address Flag
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tsbkValue = (tsbkValue << 16) + (m_serviceType & 0xFF); // Service Type
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tsbkValue = (tsbkValue << 32) + m_dstId; // Target Radio Address
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tsbkValue = (tsbkValue << 24) + m_srcId; // Source Radio Address
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break;
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default:
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LogMessage("P25, unknown LCF value in TSDU - $%02X", m_lcf);
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break;
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}
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// split rs value into bytes
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tsbk[2U] = (unsigned char)((tsbkValue >> 56) & 0xFFU);
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tsbk[3U] = (unsigned char)((tsbkValue >> 48) & 0xFFU);
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tsbk[4U] = (unsigned char)((tsbkValue >> 40) & 0xFFU);
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tsbk[5U] = (unsigned char)((tsbkValue >> 32) & 0xFFU);
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tsbk[6U] = (unsigned char)((tsbkValue >> 24) & 0xFFU);
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tsbk[7U] = (unsigned char)((tsbkValue >> 16) & 0xFFU);
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tsbk[8U] = (unsigned char)((tsbkValue >> 8) & 0xFFU);
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tsbk[9U] = (unsigned char)((tsbkValue >> 0) & 0xFFU);
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// split rs value into bytes
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tsbk[2U] = (unsigned char)((tsbkValue >> 56) & 0xFFU);
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tsbk[3U] = (unsigned char)((tsbkValue >> 48) & 0xFFU);
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tsbk[4U] = (unsigned char)((tsbkValue >> 40) & 0xFFU);
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tsbk[5U] = (unsigned char)((tsbkValue >> 32) & 0xFFU);
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tsbk[6U] = (unsigned char)((tsbkValue >> 24) & 0xFFU);
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tsbk[7U] = (unsigned char)((tsbkValue >> 16) & 0xFFU);
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tsbk[8U] = (unsigned char)((tsbkValue >> 8) & 0xFFU);
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tsbk[9U] = (unsigned char)((tsbkValue >> 0) & 0xFFU);
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// compute CRC-CCITT 16
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CCRC::addCCITT162(tsbk, 12U);
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// compute CRC-CCITT 16
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CCRC::addCCITT162(tsbk, 12U);
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unsigned char raw[25U];
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::memset(raw, 0x00U, 25U);
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unsigned char raw[25U];
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::memset(raw, 0x00U, 25U);
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// encode 1/2 rate Trellis
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m_trellis.encode12(tsbk, raw);
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// encode 1/2 rate Trellis
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m_trellis.encode12(tsbk, raw);
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// interleave
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CP25Utils::encode(raw, data, 114U, 318U);
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// interleave
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CP25Utils::encode(raw, data, 114U, 318U);
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}
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void CP25Data::setMI(const unsigned char* mi)
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@@ -404,6 +403,16 @@ unsigned int CP25Data::getDstId() const
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return m_dstId;
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}
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void CP25Data::setServiceType(unsigned char type)
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{
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m_serviceType = type;
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}
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unsigned char CP25Data::getServiceType() const
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{
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return m_serviceType;
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}
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||||
void CP25Data::reset()
|
||||
{
|
||||
::memset(m_mi, 0x00U, P25_MI_LENGTH_BYTES);
|
||||
|
||||
14
P25Data.h
14
P25Data.h
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
|
||||
* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
|
||||
* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
@@ -35,8 +35,8 @@ public:
|
||||
|
||||
void encodeLDU2(unsigned char* data);
|
||||
|
||||
bool decodeTSDU(const unsigned char* data);
|
||||
void encodeTSDU(unsigned char* data);
|
||||
bool decodeTSDU(const unsigned char* data);
|
||||
void encodeTSDU(unsigned char* data);
|
||||
|
||||
void setMI(const unsigned char* mi);
|
||||
void getMI(unsigned char* mi) const;
|
||||
@@ -62,8 +62,8 @@ public:
|
||||
void setDstId(unsigned int id);
|
||||
unsigned int getDstId() const;
|
||||
|
||||
void setServiceType(unsigned char type);
|
||||
unsigned char getServiceType() const;
|
||||
void setServiceType(unsigned char type);
|
||||
unsigned char getServiceType() const;
|
||||
|
||||
void reset();
|
||||
|
||||
@@ -76,9 +76,9 @@ private:
|
||||
bool m_emergency;
|
||||
unsigned int m_srcId;
|
||||
unsigned int m_dstId;
|
||||
unsigned char m_serviceType;
|
||||
unsigned char m_serviceType;
|
||||
CRS241213 m_rs241213;
|
||||
CP25Trellis m_trellis;
|
||||
CP25Trellis m_trellis;
|
||||
|
||||
void decodeLDUHamming(const unsigned char* raw, unsigned char* data);
|
||||
void encodeLDUHamming(unsigned char* data, const unsigned char* raw);
|
||||
|
||||
Reference in New Issue
Block a user