Merge remote-tracking branch 'g4klx/nxdn' into nxdn
This commit is contained in:
commit
7ff25c0e76
6 changed files with 117 additions and 33 deletions
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@ -106,6 +106,7 @@ bool CNXDNControl::writeModem(unsigned char *data, unsigned int len)
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if (type == TAG_LOST) {
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m_rfState = RS_RF_LISTENING;
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m_rfMask = 0x00U;
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m_rfLayer3.reset();
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return false;
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}
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@ -131,12 +132,8 @@ bool CNXDNControl::writeModem(unsigned char *data, unsigned int len)
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m_rssiCount++;
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}
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// CUtils::dump(2U, "NXDN, raw data", data + 2U, NXDN_FRAME_LENGTH_BYTES);
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scrambler(data + 2U);
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// CUtils::dump(2U, "NXDN, after descrambling", data + 2U, NXDN_FRAME_LENGTH_BYTES);
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CNXDNLICH lich;
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bool valid = lich.decode(data + 2U);
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@ -200,6 +197,7 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
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if (m_rfState != RS_RF_AUDIO) {
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m_rfState = RS_RF_LISTENING;
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m_rfMask = 0x00U;
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m_rfLayer3.reset();
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return false;
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}
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} else {
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@ -275,6 +273,40 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
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return true;
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} else {
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if (m_rfState == RS_RF_LISTENING) {
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CNXDNFACCH1 facch;
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bool valid = false;
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switch (option) {
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case NXDN_LICH_STEAL_FACCH:
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valid = facch.decode(data + 2U, NXDN_FSW_LENGTH_BITS + NXDN_LICH_LENGTH_BITS + NXDN_SACCH_LENGTH_BITS);
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if (!valid)
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valid = facch.decode(data + 2U, NXDN_FSW_LENGTH_BITS + NXDN_LICH_LENGTH_BITS + NXDN_SACCH_LENGTH_BITS + NXDN_FACCH1_LENGTH_BITS);
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break;
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case NXDN_LICH_STEAL_FACCH1_1:
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valid = facch.decode(data + 2U, NXDN_FSW_LENGTH_BITS + NXDN_LICH_LENGTH_BITS + NXDN_SACCH_LENGTH_BITS);
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break;
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case NXDN_LICH_STEAL_FACCH1_2:
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valid = facch.decode(data + 2U, NXDN_FSW_LENGTH_BITS + NXDN_LICH_LENGTH_BITS + NXDN_SACCH_LENGTH_BITS + NXDN_FACCH1_LENGTH_BITS);
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break;
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default:
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break;
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}
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bool hasInfo = false;
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if (valid) {
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unsigned char buffer[10U];
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facch.getData(buffer);
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CNXDNLayer3 layer3;
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layer3.decode(buffer, NXDN_FACCH1_LENGTH_BITS);
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hasInfo = layer3.getHasInfo();
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if (!hasInfo)
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return false;
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m_rfLayer3 = layer3;
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}
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if (!hasInfo) {
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unsigned char message[3U];
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sacch.getData(message);
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@ -303,9 +335,10 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
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if (m_rfMask != 0x0FU)
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return false;
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bool hasInfo = m_rfLayer3.getHasInfo();
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hasInfo = m_rfLayer3.getHasInfo();
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if (!hasInfo)
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return false;
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}
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unsigned short srcId = m_rfLayer3.getSourceUnitId();
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unsigned short dstId = m_rfLayer3.getDestinationGroupId();
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@ -336,6 +369,46 @@ bool CNXDNControl::processVoice(unsigned char usc, unsigned char option, unsigne
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m_display->writeNXDN(source.c_str(), grp, dstId, "R");
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m_rfState = RS_RF_AUDIO;
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// Create a dummy start message
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unsigned char start[NXDN_FRAME_LENGTH_BYTES + 2U];
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start[0U] = TAG_DATA;
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start[1U] = 0x00U;
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// Generate the sync
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CSync::addNXDNSync(start + 2U);
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// Generate the LICH
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CNXDNLICH lich;
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lich.setRFCT(NXDN_LICH_RFCT_RDCH);
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lich.setFCT(NXDN_LICH_USC_SACCH_NS);
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lich.setOption(NXDN_LICH_STEAL_FACCH);
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lich.setDirection(m_remoteGateway ? NXDN_LICH_DIRECTION_INBOUND : NXDN_LICH_DIRECTION_OUTBOUND);
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lich.encode(start + 2U);
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CNXDNSACCH sacch;
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sacch.setRAN(m_ran);
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sacch.setStructure(NXDN_SR_SINGLE);
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sacch.setData(SACCH_IDLE);
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sacch.encode(start + 2U);
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unsigned char message[22U];
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m_rfLayer3.getData(message);
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facch.setData(message);
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facch.encode(start + 2U, NXDN_FSW_LENGTH_BITS + NXDN_LICH_LENGTH_BITS + NXDN_SACCH_LENGTH_BITS);
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facch.encode(start + 2U, NXDN_FSW_LENGTH_BITS + NXDN_LICH_LENGTH_BITS + NXDN_SACCH_LENGTH_BITS + NXDN_FACCH1_LENGTH_BITS);
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scrambler(start + 2U);
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// writeNetwork(start, m_rfFrames, );
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#if defined(DUMP_NXDN)
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writeFile(start + 2U);
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#endif
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if (m_duplex)
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writeQueueRF(start);
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}
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}
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@ -673,6 +746,7 @@ void CNXDNControl::writeEndRF()
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m_rfState = RS_RF_LISTENING;
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m_rfMask = 0x00U;
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m_rfLayer3.reset();
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m_rfTimeoutTimer.stop();
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@ -22,7 +22,6 @@
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#include "NXDNDefines.h"
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#include "NXDNCRC.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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@ -18,7 +18,6 @@
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#include "NXDNDefines.h"
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#include "NXDNLayer3.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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@ -53,8 +52,8 @@ void CNXDNLayer3::decode(const unsigned char* bytes, unsigned int length, unsign
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assert(bytes != NULL);
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for (unsigned int i = 0U; i < length; i++, offset++) {
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bool b = READ_BIT1(bytes, offset);
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WRITE_BIT1(m_data, i, b);
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bool b = READ_BIT1(bytes, i);
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WRITE_BIT1(m_data, offset, b);
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}
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}
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@ -102,6 +101,16 @@ bool CNXDNLayer3::getHasInfo() const
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type != NXDN_MESSAGE_TYPE_SDCALL_IV;
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}
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void CNXDNLayer3::getData(unsigned char* data) const
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{
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::memcpy(data, m_data, 22U);
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}
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void CNXDNLayer3::reset()
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{
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::memset(m_data, 0x00U, 22U);
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}
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CNXDNLayer3& CNXDNLayer3::operator=(const CNXDNLayer3& layer3)
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{
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if (&layer3 != this)
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@ -36,6 +36,10 @@ public:
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unsigned char getCallOptions() const;
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bool getHasInfo() const;
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void getData(unsigned char* data) const;
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void reset();
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CNXDNLayer3& operator=(const CNXDNLayer3& layer3);
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private:
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@ -22,7 +22,6 @@
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#include "NXDNDefines.h"
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#include "NXDNCRC.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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@ -22,7 +22,6 @@
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#include "NXDNDefines.h"
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#include "NXDNCRC.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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