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little bit of P25 data work (nothing amazing here yet);

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pull/51/head
Bryan Biedenkapp 2 years ago
parent 9055e3aaa8
commit d5ef9a0cb5
4 changed files with 110 additions and 32 deletions
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2
src/host/nxdn/Control.cpp
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@ -962,7 +962,7 @@ void Control::processNetwork()
m_networkWatchdog.start();
if (m_debug) {
Utils::dump(2U, "!!! *NXDN Network Frame", data.get(), frameLength);
Utils::dump(2U, "* !!! NXDN Network Frame", data.get(), frameLength);
}
NXDNUtils::scrambler(data.get() + 2U);

2
src/host/p25/Control.cpp
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@ -1296,7 +1296,7 @@ void Control::processNetwork()
m_networkWatchdog.start();
if (m_debug) {
Utils::dump(2U, "!!! *P25 Network Frame", data.get(), frameLength);
Utils::dump(2U, "* !!! P25 Network Frame", data.get(), frameLength);
}
// forward onto the specific processor for final processing and delivery

136
src/host/p25/packet/Data.cpp
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@ -100,10 +100,12 @@ bool Data::process(uint8_t* data, uint32_t len)
uint8_t buffer[P25_MAX_PDU_LENGTH];
::memset(buffer, 0x00U, P25_MAX_PDU_LENGTH);
// Utils::dump(2U, "* !!! P25_DUID_PDU - data", data + 2U, len - 2U);
uint32_t bits = P25Utils::decode(data + 2U, buffer, start, start + P25_LDU_FRAME_LENGTH_BITS);
m_rfPDUBits = Utils::getBits(buffer, m_rfPDU, 0U, bits);
// Utils::dump(2U, "* !!! P25_DUID_PDU - m_rfPDU", m_rfPDU, P25_MAX_PDU_COUNT * P25_LDU_FRAME_LENGTH_BYTES + 2U);
// Utils::dump(2U, "* !!! P25_DUID_PDU - m_rfPDU", m_rfPDU, P25_LDU_FRAME_LENGTH_BYTES * 2U);
uint32_t offset = P25_PREAMBLE_LENGTH_BITS + P25_PDU_FEC_LENGTH_BITS;
if (m_rfPDUCount == 0U) {
@ -124,7 +126,7 @@ bool Data::process(uint8_t* data, uint32_t len)
}
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", ack = %u, outbound = %u, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
LogMessage(LOG_RF, P25_PDU_STR ", ISP, ack = %u, outbound = %u, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
m_rfDataHeader.getAckNeeded(), m_rfDataHeader.getOutbound(), m_rfDataHeader.getFormat(), m_rfDataHeader.getMFId(), m_rfDataHeader.getSAP(), m_rfDataHeader.getFullMessage(),
m_rfDataHeader.getBlocksToFollow(), m_rfDataHeader.getPadCount(), m_rfDataHeader.getNs(), m_rfDataHeader.getFSN(), m_rfDataHeader.getLastFragment(),
m_rfDataHeader.getHeaderOffset(), m_rfDataHeader.getLLId());
@ -132,7 +134,7 @@ bool Data::process(uint8_t* data, uint32_t len)
// make sure we don't get a PDU with more blocks then we support
if (m_rfDataHeader.getBlocksToFollow() >= P25_MAX_PDU_COUNT) {
LogError(LOG_RF, P25_PDU_STR ", too many PDU blocks to process, %u > %u", m_rfDataHeader.getBlocksToFollow(), P25_MAX_PDU_COUNT);
LogError(LOG_RF, P25_PDU_STR ", ISP, too many PDU blocks to process, %u > %u", m_rfDataHeader.getBlocksToFollow(), P25_MAX_PDU_COUNT);
m_rfDataHeader.reset();
m_rfSecondHeader.reset();
@ -192,7 +194,7 @@ bool Data::process(uint8_t* data, uint32_t len)
}
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
LogMessage(LOG_RF, P25_PDU_STR ", ISP, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
m_rfSecondHeader.getFormat(), m_rfSecondHeader.getMFId(), m_rfSecondHeader.getSAP(), m_rfSecondHeader.getFullMessage(),
m_rfSecondHeader.getBlocksToFollow(), m_rfSecondHeader.getPadCount(), m_rfSecondHeader.getNs(), m_rfSecondHeader.getFSN(), m_rfSecondHeader.getLastFragment(),
m_rfSecondHeader.getHeaderOffset(), m_rfSecondHeader.getLLId());
@ -247,8 +249,10 @@ bool Data::process(uint8_t* data, uint32_t len)
// are we processing extended address data from the first block?
if (m_rfDataHeader.getSAP() == PDU_SAP_EXT_ADDR && m_rfDataHeader.getFormat() == PDU_FMT_CONFIRMED &&
m_rfData[i].getSerialNo() == 0U) {
LogMessage(LOG_RF, P25_PDU_STR ", block %u, fmt = $%02X, lastBlock = %u, sap = $%02X, llId = %u",
m_rfData[i].getSerialNo(), m_rfData[i].getFormat(), m_rfData[i].getLastBlock(), m_rfData[i].getSAP(), m_rfData[i].getLLId());
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", ISP, block %u, fmt = $%02X, lastBlock = %u, sap = $%02X, llId = %u",
m_rfData[i].getSerialNo(), m_rfData[i].getFormat(), m_rfData[i].getLastBlock(), m_rfData[i].getSAP(), m_rfData[i].getLLId());
}
m_rfSecondHeader.reset();
m_rfSecondHeader.setAckNeeded(true);
m_rfSecondHeader.setFormat(m_rfData[i].getFormat());
@ -258,9 +262,18 @@ bool Data::process(uint8_t* data, uint32_t len)
m_rfExtendedAddress = true;
}
else {
LogMessage(LOG_RF, P25_PDU_STR ", block %u, fmt = $%02X, lastBlock = %u",
(m_rfDataHeader.getFormat() == PDU_FMT_CONFIRMED) ? m_rfData[i].getSerialNo() : m_rfDataBlockCnt, m_rfData[i].getFormat(),
m_rfData[i].getLastBlock());
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", ISP, block %u, fmt = $%02X, lastBlock = %u",
(m_rfDataHeader.getFormat() == PDU_FMT_CONFIRMED) ? m_rfData[i].getSerialNo() : m_rfDataBlockCnt, m_rfData[i].getFormat(),
m_rfData[i].getLastBlock());
if (m_dumpPDUData) {
uint8_t dataBlock[P25_PDU_CONFIRMED_LENGTH_BYTES];
::memset(dataBlock, 0xAAU, P25_PDU_CONFIRMED_LENGTH_BYTES);
m_rfData[i].getData(dataBlock);
Utils::dump(2U, "Data Block", dataBlock, P25_PDU_CONFIRMED_LENGTH_BYTES);
}
}
}
m_rfData[i].getData(m_pduUserData + dataOffset);
@ -286,10 +299,10 @@ bool Data::process(uint8_t* data, uint32_t len)
// does the packet require ack?
if (m_rfDataHeader.getAckNeeded()) {
if (m_rfExtendedAddress) {
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_NACK, PDU_ACK_TYPE_NACK_PACKET_CRC, dstId, srcId);
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_NACK, PDU_ACK_TYPE_NACK_PACKET_CRC, m_rfDataHeader.getNs(), dstId, srcId);
}
else {
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_NACK, PDU_ACK_TYPE_NACK_PACKET_CRC, srcId);
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_NACK, PDU_ACK_TYPE_NACK_PACKET_CRC, m_rfDataHeader.getNs(), srcId);
}
}
}
@ -297,10 +310,10 @@ bool Data::process(uint8_t* data, uint32_t len)
// does the packet require ack?
if (m_rfDataHeader.getAckNeeded()) {
if (m_rfExtendedAddress) {
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_ACK, PDU_ACK_TYPE_ACK, dstId, srcId);
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_ACK, PDU_ACK_TYPE_ACK, m_rfDataHeader.getNs(), dstId, srcId);
}
else {
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_ACK, PDU_ACK_TYPE_ACK, srcId);
writeRF_PDU_Ack_Response(PDU_ACK_CLASS_ACK, PDU_ACK_TYPE_ACK, m_rfDataHeader.getNs(), srcId);
}
}
}
@ -331,9 +344,19 @@ bool Data::process(uint8_t* data, uint32_t len)
// did we receive a response header?
if (m_rfDataHeader.getFormat() == PDU_FMT_RSP) {
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", response, fmt = $%02X, rspClass = $%02X, rspType = $%02X, rspStatus = $%02X",
m_rfDataHeader.getFormat(), m_rfDataHeader.getResponseClass(), m_rfDataHeader.getResponseType(), m_rfDataHeader.getResponseStatus());
LogMessage(LOG_RF, P25_PDU_STR ", ISP, response, fmt = $%02X, rspClass = $%02X, rspType = $%02X, rspStatus = $%02X, llId = %u, srcLlId = %u",
m_rfDataHeader.getFormat(), m_rfDataHeader.getResponseClass(), m_rfDataHeader.getResponseType(), m_rfDataHeader.getResponseStatus(),
m_rfDataHeader.getLLId(), m_rfDataHeader.getSrcLLId());
}
if (m_repeatPDU) {
if (!m_rfDataHeader.getFullMessage()) {
m_rfDataHeader.setSAP(PDU_SAP_EXT_ADDR);
}
writeRF_PDU_Ack_Response(m_rfDataHeader.getResponseClass(), m_rfDataHeader.getResponseType(), m_rfDataHeader.getResponseStatus(),
m_rfDataHeader.getLLId(), m_rfDataHeader.getSrcLLId());
}
}
else {
// handle standard P25 service access points
@ -509,8 +532,6 @@ bool Data::processNetwork(uint8_t* data, uint32_t len, uint32_t blockLength)
}
if (m_p25->m_netState == RS_NET_DATA) {
// Utils::dump(1U, "Incoming Network PDU Frame", data + 24U, blockLength);
::memcpy(m_netPDU + m_netDataOffset, data + 24U, blockLength);
m_netDataOffset += blockLength;
m_netPDUCount++;
@ -859,8 +880,6 @@ void Data::writeNetwork(const uint8_t currentBlock, const uint8_t *data, uint32_
if (m_p25->m_rfTimeout.isRunning() && m_p25->m_rfTimeout.hasExpired())
return;
// Utils::dump(1U, "Outgoing Network PDU Frame", data, len);
m_p25->m_network->writeP25PDU(m_rfDataHeader, currentBlock, data, len, lastBlock);
}
@ -879,9 +898,7 @@ void Data::writeRF_PDU(const uint8_t* pdu, uint32_t bitLength, bool noNulls)
uint8_t data[P25_MAX_PDU_COUNT * P25_LDU_FRAME_LENGTH_BYTES + 2U];
::memset(data, 0x00U, P25_MAX_PDU_COUNT * P25_LDU_FRAME_LENGTH_BYTES + 2U);
if (m_debug) {
Utils::dump(2U, "!!! *Raw PDU Frame Data - P25_DUID_PDU", pdu, bitLength / 8U);
}
// Utils::dump(2U, "!!! *Raw PDU Frame Data - pdu", pdu, bitLength / 8U);
// Add the data
uint32_t newBitLength = P25Utils::encode(pdu, data + 2U, bitLength);
@ -898,6 +915,8 @@ void Data::writeRF_PDU(const uint8_t* pdu, uint32_t bitLength, bool noNulls)
// Add busy bits
P25Utils::addBusyBits(data + 2U, newBitLength, false, true);
// Utils::dump(2U, "!!! *P25_DUID_PDU - data", data + 2U, newBitLength / 8U);
if (m_p25->m_duplex) {
data[0U] = modem::TAG_DATA;
data[1U] = 0x00U;
@ -927,26 +946,42 @@ void Data::writeNet_PDU_Buffered()
uint32_t blocksToFollow = m_netDataHeader.getBlocksToFollow();
if (m_verbose) {
LogMessage(LOG_NET, P25_PDU_STR ", OSP, ack = %u, outbound = %u, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
m_netDataHeader.getAckNeeded(), m_netDataHeader.getOutbound(), m_netDataHeader.getFormat(), m_netDataHeader.getMFId(), m_netDataHeader.getSAP(), m_netDataHeader.getFullMessage(),
m_netDataHeader.getBlocksToFollow(), m_netDataHeader.getPadCount(), m_netDataHeader.getNs(), m_netDataHeader.getFSN(), m_netDataHeader.getLastFragment(),
m_netDataHeader.getHeaderOffset(), m_netDataHeader.getLLId());
}
// generate the PDU header and 1/2 rate Trellis
m_netDataHeader.encode(block);
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
offset += P25_PDU_FEC_LENGTH_BITS;
uint32_t dataOffset = 0U;
edac::CRC::addCRC32(m_pduUserData, m_pduUserDataLength);
// generate the second PDU header
if (m_netUseSecondHeader) {
::memset(block, 0x00U, P25_PDU_FEC_LENGTH_BYTES);
m_netSecondHeader.encode(m_pduUserData, true);
::memset(block, 0x00U, P25_PDU_FEC_LENGTH_BYTES);
m_netSecondHeader.encode(block);
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
offset += P25_PDU_FEC_LENGTH_BITS;
dataOffset += P25_PDU_HEADER_LENGTH_BYTES;
blocksToFollow--;
if (m_verbose) {
LogMessage(LOG_NET, P25_PDU_STR ", OSP, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
m_netSecondHeader.getFormat(), m_netSecondHeader.getMFId(), m_netSecondHeader.getSAP(), m_netSecondHeader.getFullMessage(),
m_netSecondHeader.getBlocksToFollow(), m_netSecondHeader.getPadCount(), m_netSecondHeader.getNs(), m_netSecondHeader.getFSN(), m_netSecondHeader.getLastFragment(),
m_netSecondHeader.getHeaderOffset(), m_netSecondHeader.getLLId());
}
}
edac::CRC::addCRC32(m_pduUserData, m_pduUserDataLength);
// generate the PDU data
for (uint32_t i = 0U; i < blocksToFollow; i++) {
m_netData[i].setFormat((m_netUseSecondHeader) ? m_netSecondHeader : m_netDataHeader);
@ -957,6 +992,19 @@ void Data::writeNet_PDU_Buffered()
m_netData[i].encode(block);
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
if (m_verbose) {
LogMessage(LOG_NET, P25_PDU_STR ", OSP, block %u, fmt = $%02X, lastBlock = %u",
(m_netDataHeader.getFormat() == PDU_FMT_CONFIRMED) ? m_netData[i].getSerialNo() : i, m_netData[i].getFormat(),
m_netData[i].getLastBlock());
if (m_dumpPDUData) {
uint8_t dataBlock[P25_PDU_CONFIRMED_LENGTH_BYTES];
::memset(dataBlock, 0xAAU, P25_PDU_CONFIRMED_LENGTH_BYTES);
m_netData[i].getData(dataBlock);
Utils::dump(2U, "Data Block", dataBlock, P25_PDU_CONFIRMED_LENGTH_BYTES);
}
}
offset += P25_PDU_FEC_LENGTH_BITS;
dataOffset += (m_netDataHeader.getFormat() == PDU_FMT_CONFIRMED) ? P25_PDU_CONFIRMED_DATA_LENGTH_BYTES : P25_PDU_UNCONFIRMED_LENGTH_BYTES;
}
@ -980,32 +1028,61 @@ void Data::writeRF_PDU_Buffered()
uint32_t blocksToFollow = m_rfDataHeader.getBlocksToFollow();
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", OSP, ack = %u, outbound = %u, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
m_rfDataHeader.getAckNeeded(), m_rfDataHeader.getOutbound(), m_rfDataHeader.getFormat(), m_rfDataHeader.getMFId(), m_rfDataHeader.getSAP(), m_rfDataHeader.getFullMessage(),
m_rfDataHeader.getBlocksToFollow(), m_rfDataHeader.getPadCount(), m_rfDataHeader.getNs(), m_rfDataHeader.getFSN(), m_rfDataHeader.getLastFragment(),
m_rfDataHeader.getHeaderOffset(), m_rfDataHeader.getLLId());
}
// generate the PDU header and 1/2 rate Trellis
m_rfDataHeader.encode(block);
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
offset += P25_PDU_FEC_LENGTH_BITS;
uint32_t dataOffset = 0U;
edac::CRC::addCRC32(m_pduUserData, m_pduUserDataLength);
// generate the second PDU header
if (m_rfUseSecondHeader) {
::memset(block, 0x00U, P25_PDU_FEC_LENGTH_BYTES);
m_rfSecondHeader.encode(m_pduUserData, true);
::memset(block, 0x00U, P25_PDU_FEC_LENGTH_BYTES);
m_rfSecondHeader.encode(block);
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
offset += P25_PDU_FEC_LENGTH_BITS;
dataOffset += P25_PDU_HEADER_LENGTH_BYTES;
blocksToFollow--;
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", OSP, fmt = $%02X, mfId = $%02X, sap = $%02X, fullMessage = %u, blocksToFollow = %u, padCount = %u, n = %u, seqNo = %u, lastFragment = %u, hdrOffset = %u, llId = %u",
m_rfSecondHeader.getFormat(), m_rfSecondHeader.getMFId(), m_rfSecondHeader.getSAP(), m_rfSecondHeader.getFullMessage(),
m_rfSecondHeader.getBlocksToFollow(), m_rfSecondHeader.getPadCount(), m_rfSecondHeader.getNs(), m_rfSecondHeader.getFSN(), m_rfSecondHeader.getLastFragment(),
m_rfSecondHeader.getHeaderOffset(), m_rfSecondHeader.getLLId());
}
}
edac::CRC::addCRC32(m_pduUserData, m_pduUserDataLength);
// generate the PDU data
for (uint32_t i = 0U; i < blocksToFollow; i++) {
m_rfData[i].setFormat((m_rfUseSecondHeader) ? m_rfSecondHeader : m_rfDataHeader);
m_rfData[i].setSerialNo(i);
m_rfData[i].setData(m_pduUserData + dataOffset);
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", OSP, block %u, fmt = $%02X, lastBlock = %u",
(m_rfDataHeader.getFormat() == PDU_FMT_CONFIRMED) ? m_rfData[i].getSerialNo() : i, m_rfData[i].getFormat(),
m_rfData[i].getLastBlock());
if (m_dumpPDUData) {
uint8_t dataBlock[P25_PDU_CONFIRMED_LENGTH_BYTES];
::memset(dataBlock, 0xAAU, P25_PDU_CONFIRMED_LENGTH_BYTES);
m_rfData[i].getData(dataBlock);
Utils::dump(2U, "Data Block", dataBlock, P25_PDU_CONFIRMED_LENGTH_BYTES);
}
}
::memset(block, 0x00U, P25_PDU_FEC_LENGTH_BYTES);
m_rfData[i].encode(block);
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
@ -1086,10 +1163,11 @@ void Data::writeRF_PDU_Reg_Response(uint8_t regType, uint8_t mfId, uint32_t llId
/// </summary>
/// <param name="ackClass"></param>
/// <param name="ackType"></param>
/// <param name="ackStatus"></param>
/// <param name="llId"></param>
/// <param name="srcLlId"></param>
/// <param name="noNulls"></param>
void Data::writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uint32_t llId, uint32_t srcLlId, bool noNulls)
void Data::writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uint8_t ackStatus, uint32_t llId, uint32_t srcLlId, bool noNulls)
{
if (ackClass == PDU_ACK_CLASS_ACK && ackType != PDU_ACK_TYPE_ACK)
return;
@ -1108,7 +1186,7 @@ void Data::writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uint32_t
rspHeader.setOutbound(true);
rspHeader.setResponseClass(ackClass);
rspHeader.setResponseType(ackType);
rspHeader.setResponseStatus(m_rfDataHeader.getNs());
rspHeader.setResponseStatus(ackStatus);
rspHeader.setLLId(llId);
if (m_rfDataHeader.getSAP() == PDU_SAP_EXT_ADDR) {
rspHeader.setSrcLLId(srcLlId);
@ -1124,7 +1202,7 @@ void Data::writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uint32_t
Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
if (m_verbose) {
LogMessage(LOG_RF, P25_PDU_STR ", response, ackClass = $%02X, ackType = $%02X, llId = %u, srcLLId = %u",
LogMessage(LOG_RF, P25_PDU_STR ", OSP, response, ackClass = $%02X, ackType = $%02X, llId = %u, srcLLId = %u",
rspHeader.getResponseClass(), rspHeader.getResponseType(), rspHeader.getLLId(), rspHeader.getSrcLLId());
}

2
src/host/p25/packet/Data.h
Unescape View File

@ -119,7 +119,7 @@ namespace p25
/// <summary>Helper to write a PDU registration response.</summary>
void writeRF_PDU_Reg_Response(uint8_t regType, uint8_t mfId, uint32_t llId, ulong64_t ipAddr);
/// <summary>Helper to write a PDU acknowledge response.</summary>
void writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uint32_t llId, uint32_t srcLlId = 0U, bool noNulls = false);
void writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uint8_t ackStatus, uint32_t llId, uint32_t srcLlId = 0U, bool noNulls = false);
};
} // namespace packet
} // namespace p25

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