Start adding P25 frame (dis)assembly and repeater logic.
This commit is contained in:
parent
dc2028dd6a
commit
22d2d074c4
13 changed files with 419 additions and 13 deletions
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@ -26,6 +26,7 @@
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#include "TFTSerial.h"
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#include "TFTSerial.h"
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#include "NullDisplay.h"
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#include "NullDisplay.h"
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#include "YSFControl.h"
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#include "YSFControl.h"
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#include "P25Control.h"
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#include "Nextion.h"
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#include "Nextion.h"
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#include "Thread.h"
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#include "Thread.h"
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@ -375,6 +376,23 @@ int CMMDVMHost::run()
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ysf = new CYSFControl(m_callsign, m_ysfNetwork, m_display, m_timeout, m_duplex, rssiMultiplier, rssiOffset);
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ysf = new CYSFControl(m_callsign, m_ysfNetwork, m_display, m_timeout, m_duplex, rssiMultiplier, rssiOffset);
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}
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}
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CP25Control* p25 = NULL;
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if (m_p25Enabled) {
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unsigned int id = m_conf.getP25Id();
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int rssiMultiplier = m_conf.getModemRSSIMultiplier();
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int rssiOffset = m_conf.getModemRSSIOffset();
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LogInfo("P25 Parameters");
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LogInfo(" Id: %u", id);
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if (rssiMultiplier != 0) {
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LogInfo(" RSSI Multiplier: %d", rssiMultiplier);
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LogInfo(" RSSI Offset: %d", rssiOffset);
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}
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p25 = new CP25Control(id, m_display, m_timeout, m_duplex, rssiMultiplier, rssiOffset);
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}
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setMode(MODE_IDLE);
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setMode(MODE_IDLE);
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LogMessage("MMDVMHost-%s is running", VERSION);
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LogMessage("MMDVMHost-%s is running", VERSION);
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@ -498,6 +516,22 @@ int CMMDVMHost::run()
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}
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}
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}
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}
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len = m_modem->readP25Data(data);
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if (p25 != NULL && len > 0U) {
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if (m_mode == MODE_IDLE) {
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bool ret = p25->writeModem(data, len);
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if (ret) {
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m_modeTimer.setTimeout(m_rfModeHang);
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setMode(MODE_P25);
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}
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} else if (m_mode == MODE_P25) {
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p25->writeModem(data, len);
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m_modeTimer.start();
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} else if (m_mode != MODE_LOCKOUT) {
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LogWarning("P25 modem data received when in mode %u", m_mode);
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}
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}
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if (m_modeTimer.isRunning() && m_modeTimer.hasExpired())
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if (m_modeTimer.isRunning() && m_modeTimer.hasExpired())
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setMode(MODE_IDLE);
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setMode(MODE_IDLE);
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@ -585,6 +619,26 @@ int CMMDVMHost::run()
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}
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}
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}
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}
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if (p25 != NULL) {
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ret = m_modem->hasP25Space();
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if (ret) {
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len = p25->readModem(data);
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if (len > 0U) {
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if (m_mode == MODE_IDLE) {
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m_modeTimer.setTimeout(m_netModeHang);
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setMode(MODE_P25);
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}
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if (m_mode == MODE_P25) {
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m_modem->writeP25Data(data, len);
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m_modeTimer.start();
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}
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else if (m_mode != MODE_LOCKOUT) {
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LogWarning("P25 data received when in mode %u", m_mode);
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}
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}
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}
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}
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if (m_dmrNetwork != NULL) {
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if (m_dmrNetwork != NULL) {
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bool run = m_dmrNetwork->wantsBeacon();
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bool run = m_dmrNetwork->wantsBeacon();
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if (dmrBeaconsEnabled && run && m_mode == MODE_IDLE && !m_modem->hasTX()) {
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if (dmrBeaconsEnabled && run && m_mode == MODE_IDLE && !m_modem->hasTX()) {
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@ -607,6 +661,8 @@ int CMMDVMHost::run()
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dmr->clock();
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dmr->clock();
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if (ysf != NULL)
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if (ysf != NULL)
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ysf->clock(ms);
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ysf->clock(ms);
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if (p25 != NULL)
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p25->clock(ms);
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if (m_dstarNetwork != NULL)
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if (m_dstarNetwork != NULL)
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m_dstarNetwork->clock(ms);
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m_dstarNetwork->clock(ms);
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@ -669,6 +725,7 @@ int CMMDVMHost::run()
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delete dstar;
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delete dstar;
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delete dmr;
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delete dmr;
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delete ysf;
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delete ysf;
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delete p25;
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return 0;
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return 0;
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}
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}
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@ -181,6 +181,7 @@
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<ClInclude Include="Modem.h" />
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<ClInclude Include="Modem.h" />
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<ClInclude Include="Nextion.h" />
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<ClInclude Include="Nextion.h" />
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<ClInclude Include="NullDisplay.h" />
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<ClInclude Include="NullDisplay.h" />
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<ClInclude Include="P25Control.h" />
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<ClInclude Include="P25Defines.h" />
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<ClInclude Include="P25Defines.h" />
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<ClInclude Include="QR1676.h" />
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<ClInclude Include="QR1676.h" />
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<ClInclude Include="RingBuffer.h" />
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<ClInclude Include="RingBuffer.h" />
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@ -235,6 +236,7 @@
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<ClCompile Include="Modem.cpp" />
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<ClCompile Include="Modem.cpp" />
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<ClCompile Include="Nextion.cpp" />
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<ClCompile Include="Nextion.cpp" />
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<ClCompile Include="NullDisplay.cpp" />
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<ClCompile Include="NullDisplay.cpp" />
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<ClCompile Include="P25Control.cpp" />
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<ClCompile Include="QR1676.cpp" />
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<ClCompile Include="QR1676.cpp" />
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<ClCompile Include="RS129.cpp" />
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<ClCompile Include="RS129.cpp" />
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<ClCompile Include="SerialController.cpp" />
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<ClCompile Include="SerialController.cpp" />
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@ -176,6 +176,9 @@
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<ClInclude Include="P25Defines.h">
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<ClInclude Include="P25Defines.h">
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<Filter>Header Files</Filter>
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<Filter>Header Files</Filter>
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</ClInclude>
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</ClInclude>
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<ClInclude Include="P25Control.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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<ClCompile Include="BPTC19696.cpp">
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<ClCompile Include="BPTC19696.cpp">
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@ -322,5 +325,8 @@
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<ClCompile Include="DMRAccessControl.cpp">
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<ClCompile Include="DMRAccessControl.cpp">
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<Filter>Source Files</Filter>
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<Filter>Source Files</Filter>
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</ClCompile>
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</ClCompile>
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<ClCompile Include="P25Control.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</ItemGroup>
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</Project>
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</Project>
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4
Makefile
4
Makefile
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@ -9,8 +9,8 @@ LDFLAGS = -g
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OBJECTS = \
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OBJECTS = \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o \
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Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \
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Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \
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YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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all: MMDVMHost
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all: MMDVMHost
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@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib
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OBJECTS = \
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OBJECTS = \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o \
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YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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all: MMDVMHost
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all: MMDVMHost
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@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib
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OBJECTS = \
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OBJECTS = \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o \
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YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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all: MMDVMHost
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all: MMDVMHost
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@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib
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OBJECTS = \
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OBJECTS = \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o OLED.o Log.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o OLED.o Log.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o \
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YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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all: MMDVMHost
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all: MMDVMHost
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@ -9,8 +9,8 @@ LDFLAGS = -g -L/usr/local/lib
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OBJECTS = \
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OBJECTS = \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \
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MMDVMHost.o Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o \
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YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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all: MMDVMHost
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all: MMDVMHost
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@ -9,8 +9,8 @@ LDFLAGS = -g
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OBJECTS = \
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OBJECTS = \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o \
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DMRShortLC.o DMRSlot.o DMRSlotType.o DMRAccessControl.o DMRTrellis.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o \
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Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \
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Modem.o Nextion.o NullDisplay.o P25Control.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o \
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YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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YSFControl.o YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
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all: MMDVMHost
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all: MMDVMHost
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buffer[0U] = MMDVM_FRAME_START;
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = 15U;
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buffer[1U] = 16U;
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buffer[2U] = MMDVM_SET_CONFIG;
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buffer[2U] = MMDVM_SET_CONFIG;
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268
P25Control.cpp
Normal file
268
P25Control.cpp
Normal file
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@ -0,0 +1,268 @@
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/*
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* Copyright (C) 2016 by Jonathan Naylor G4KLX
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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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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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|
#include "P25Control.h"
|
||||||
|
#include "P25Defines.h"
|
||||||
|
#include "Sync.h"
|
||||||
|
#include "Log.h"
|
||||||
|
|
||||||
|
#include <cstdio>
|
||||||
|
#include <cassert>
|
||||||
|
|
||||||
|
const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
|
||||||
|
|
||||||
|
#define WRITE_BIT(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
|
||||||
|
#define READ_BIT(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7])
|
||||||
|
|
||||||
|
CP25Control::CP25Control(unsigned int id, CDisplay* display, unsigned int timeout, bool duplex, int rssiMultiplier, int rssiOffset) :
|
||||||
|
m_id(id),
|
||||||
|
m_display(display),
|
||||||
|
m_duplex(duplex),
|
||||||
|
m_rssiMultiplier(rssiMultiplier),
|
||||||
|
m_rssiOffset(rssiOffset),
|
||||||
|
m_queue(1000U, "P25 Control"),
|
||||||
|
m_rfState(RS_RF_LISTENING),
|
||||||
|
m_netState(RS_NET_IDLE),
|
||||||
|
m_rfTimeout(1000U, timeout),
|
||||||
|
m_netTimeout(1000U, timeout),
|
||||||
|
m_rfFrames(0U),
|
||||||
|
m_rfBits(0U),
|
||||||
|
m_rfErrs(0U)
|
||||||
|
{
|
||||||
|
assert(display != NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
CP25Control::~CP25Control()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CP25Control::writeModem(unsigned char* data, unsigned int len)
|
||||||
|
{
|
||||||
|
assert(data != NULL);
|
||||||
|
|
||||||
|
bool sync = data[1U] == 0x01U;
|
||||||
|
|
||||||
|
if (data[0U] == TAG_LOST && m_rfState == RS_RF_LISTENING)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (data[0U] == TAG_LOST) {
|
||||||
|
LogMessage("P25, transmission lost, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 5.56F, float(m_rfErrs * 100U) / float(m_rfBits));
|
||||||
|
m_rfState = RS_RF_LISTENING;
|
||||||
|
m_rfTimeout.stop();
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!sync && m_rfState == RS_RF_LISTENING)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
// Put into the NID decoder
|
||||||
|
unsigned char duid = 0U; // XXX
|
||||||
|
|
||||||
|
if (data[0U] == TAG_HEADER) {
|
||||||
|
// Regenerate Sync
|
||||||
|
CSync::addP25Sync(data + 2U);
|
||||||
|
|
||||||
|
// Regenerate NID
|
||||||
|
|
||||||
|
// Regenerate Enc Data
|
||||||
|
|
||||||
|
// Add busy bits
|
||||||
|
addBusyBits(data + 2U, P25_HDR_FRAME_LENGTH_BITS, false, true);
|
||||||
|
|
||||||
|
m_rfFrames = 0U;
|
||||||
|
m_rfErrs = 0U;
|
||||||
|
m_rfBits = 1U;
|
||||||
|
m_rfTimeout.start();
|
||||||
|
|
||||||
|
if (m_duplex) {
|
||||||
|
data[0U] = TAG_HEADER;
|
||||||
|
data[1U] = 0x00U;
|
||||||
|
writeQueueRF(data, P25_HDR_FRAME_LENGTH_BYTES + 2U);
|
||||||
|
}
|
||||||
|
|
||||||
|
LogMessage("P25, received RF header");
|
||||||
|
} else if (duid == P25_DUID_LDU1) {
|
||||||
|
if (m_rfState == RS_RF_LISTENING) {
|
||||||
|
m_rfFrames = 0U;
|
||||||
|
m_rfErrs = 0U;
|
||||||
|
m_rfBits = 1U;
|
||||||
|
m_rfTimeout.start();
|
||||||
|
// Decode LDU1
|
||||||
|
}
|
||||||
|
|
||||||
|
// Regenerate Sync
|
||||||
|
CSync::addP25Sync(data + 2U);
|
||||||
|
|
||||||
|
// Regenerate NID
|
||||||
|
|
||||||
|
// Regenerate LDU1 Data
|
||||||
|
|
||||||
|
// Regenerate Audio
|
||||||
|
unsigned int errors = 0U; // XXX
|
||||||
|
LogDebug("P25, LDU1 audio, errs: %u/1233", errors);
|
||||||
|
|
||||||
|
m_rfBits += 1233U;
|
||||||
|
m_rfErrs += errors;
|
||||||
|
m_rfFrames++;
|
||||||
|
|
||||||
|
// Add busy bits
|
||||||
|
addBusyBits(data + 2U, P25_LDU_FRAME_LENGTH_BITS, false, true);
|
||||||
|
|
||||||
|
if (m_duplex) {
|
||||||
|
data[0U] = TAG_DATA;
|
||||||
|
data[1U] = 0x00U;
|
||||||
|
writeQueueRF(data, P25_LDU_FRAME_LENGTH_BYTES + 2U);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (m_rfState == RS_RF_LISTENING) {
|
||||||
|
// LogMessage("P25, received RF LC from %8.8s/%4.4s to %8.8s", my1, my2, your);
|
||||||
|
m_rfState = RS_RF_AUDIO;
|
||||||
|
}
|
||||||
|
} else if (duid == P25_DUID_LDU2) {
|
||||||
|
if (m_rfState == RS_RF_LISTENING)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
// Decode LDU2
|
||||||
|
|
||||||
|
// Regenerate Sync
|
||||||
|
CSync::addP25Sync(data + 2U);
|
||||||
|
|
||||||
|
// Regenerate NID
|
||||||
|
|
||||||
|
// Regenerate LDU2 Data
|
||||||
|
|
||||||
|
// Regenerate Audio
|
||||||
|
unsigned int errors = 0U; // XXX
|
||||||
|
LogDebug("P25, LDU2 audio, errs: %u/1233", errors);
|
||||||
|
|
||||||
|
m_rfBits += 1233U;
|
||||||
|
m_rfErrs += errors;
|
||||||
|
m_rfFrames++;
|
||||||
|
|
||||||
|
// Add busy bits
|
||||||
|
addBusyBits(data + 2U, P25_LDU_FRAME_LENGTH_BITS, false, true);
|
||||||
|
|
||||||
|
if (m_duplex) {
|
||||||
|
data[0U] = TAG_DATA;
|
||||||
|
data[1U] = 0x00U;
|
||||||
|
writeQueueRF(data, P25_LDU_FRAME_LENGTH_BYTES + 2U);
|
||||||
|
}
|
||||||
|
} else if (duid == P25_DUID_TERM_LC) {
|
||||||
|
if (m_rfState == RS_RF_LISTENING)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
// Regenerate Sync
|
||||||
|
CSync::addP25Sync(data + 2U);
|
||||||
|
|
||||||
|
// Regenerate NID
|
||||||
|
|
||||||
|
// Regenerate LDU1 Data
|
||||||
|
|
||||||
|
// Add busy bits
|
||||||
|
addBusyBits(data + 2U, P25_TERMLC_FRAME_LENGTH_BITS, false, true);
|
||||||
|
|
||||||
|
m_rfState = RS_RF_LISTENING;
|
||||||
|
m_rfTimeout.stop();
|
||||||
|
|
||||||
|
LogMessage("P25, received RF end of transmission, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 5.56F, float(m_rfErrs * 100U) / float(m_rfBits));
|
||||||
|
|
||||||
|
if (m_duplex) {
|
||||||
|
data[0U] = TAG_EOT;
|
||||||
|
data[1U] = 0x00U;
|
||||||
|
writeQueueRF(data, P25_TERMLC_FRAME_LENGTH_BYTES + 2U);
|
||||||
|
}
|
||||||
|
} else if (duid == P25_DUID_TERM) {
|
||||||
|
if (m_rfState == RS_RF_LISTENING)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
// Regenerate Sync
|
||||||
|
CSync::addP25Sync(data + 2U);
|
||||||
|
|
||||||
|
// Regenerate NID
|
||||||
|
|
||||||
|
// Add busy bits
|
||||||
|
addBusyBits(data + 2U, P25_TERM_FRAME_LENGTH_BITS, false, true);
|
||||||
|
|
||||||
|
m_rfState = RS_RF_LISTENING;
|
||||||
|
m_rfTimeout.stop();
|
||||||
|
|
||||||
|
LogMessage("P25, received RF end of transmission, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 5.56F, float(m_rfErrs * 100U) / float(m_rfBits));
|
||||||
|
|
||||||
|
if (m_duplex) {
|
||||||
|
data[0U] = TAG_EOT;
|
||||||
|
data[1U] = 0x00U;
|
||||||
|
writeQueueRF(data, P25_TERM_FRAME_LENGTH_BYTES + 2U);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned int CP25Control::readModem(unsigned char* data)
|
||||||
|
{
|
||||||
|
assert(data != NULL);
|
||||||
|
|
||||||
|
if (m_queue.isEmpty())
|
||||||
|
return 0U;
|
||||||
|
|
||||||
|
unsigned char len = 0U;
|
||||||
|
m_queue.getData(&len, 1U);
|
||||||
|
|
||||||
|
m_queue.getData(data, len);
|
||||||
|
|
||||||
|
return len;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CP25Control::clock(unsigned int ms)
|
||||||
|
{
|
||||||
|
m_rfTimeout.clock(ms);
|
||||||
|
m_netTimeout.clock(ms);
|
||||||
|
}
|
||||||
|
|
||||||
|
void CP25Control::writeQueueRF(const unsigned char* data, unsigned int length)
|
||||||
|
{
|
||||||
|
assert(data != NULL);
|
||||||
|
|
||||||
|
if (m_rfTimeout.isRunning() && m_rfTimeout.hasExpired())
|
||||||
|
return;
|
||||||
|
|
||||||
|
unsigned int space = m_queue.freeSpace();
|
||||||
|
if (space < (length + 1U)) {
|
||||||
|
LogError("P25, overflow in the P25 RF queue");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned char len = length;
|
||||||
|
m_queue.addData(&len, 1U);
|
||||||
|
|
||||||
|
m_queue.addData(data, len);
|
||||||
|
}
|
||||||
|
|
||||||
|
void CP25Control::addBusyBits(unsigned char* data, unsigned int length, bool b1, bool b2)
|
||||||
|
{
|
||||||
|
assert(data != NULL);
|
||||||
|
|
||||||
|
for (unsigned int i = 0U; i < length; i++) {
|
||||||
|
if (i > 0U && (i % 70U) == 0U)
|
||||||
|
WRITE_BIT(data, i, b1);
|
||||||
|
if (i > 0U && (i % 71U) == 0U)
|
||||||
|
WRITE_BIT(data, i, b2);
|
||||||
|
}
|
||||||
|
}
|
58
P25Control.h
Normal file
58
P25Control.h
Normal file
|
@ -0,0 +1,58 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2016 by Jonathan Naylor G4KLX
|
||||||
|
*
|
||||||
|
* 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
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program 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 General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#if !defined(P25Control_H)
|
||||||
|
#define P25Control_H
|
||||||
|
|
||||||
|
#include "RingBuffer.h"
|
||||||
|
#include "Defines.h"
|
||||||
|
#include "Display.h"
|
||||||
|
#include "Modem.h"
|
||||||
|
#include "Timer.h"
|
||||||
|
|
||||||
|
class CP25Control {
|
||||||
|
public:
|
||||||
|
CP25Control(unsigned int id, CDisplay* display, unsigned int timeout, bool duplex, int rssiMultiplier, int rssiOffset);
|
||||||
|
~CP25Control();
|
||||||
|
|
||||||
|
bool writeModem(unsigned char* data, unsigned int len);
|
||||||
|
|
||||||
|
unsigned int readModem(unsigned char* data);
|
||||||
|
|
||||||
|
void clock(unsigned int ms);
|
||||||
|
|
||||||
|
private:
|
||||||
|
unsigned int m_id;
|
||||||
|
CDisplay* m_display;
|
||||||
|
bool m_duplex;
|
||||||
|
int m_rssiMultiplier;
|
||||||
|
int m_rssiOffset;
|
||||||
|
CRingBuffer<unsigned char> m_queue;
|
||||||
|
RPT_RF_STATE m_rfState;
|
||||||
|
RPT_NET_STATE m_netState;
|
||||||
|
CTimer m_rfTimeout;
|
||||||
|
CTimer m_netTimeout;
|
||||||
|
unsigned int m_rfFrames;
|
||||||
|
unsigned int m_rfBits;
|
||||||
|
unsigned int m_rfErrs;
|
||||||
|
|
||||||
|
void writeQueueRF(const unsigned char* data, unsigned int length);
|
||||||
|
void addBusyBits(unsigned char* data, unsigned int length, bool b1, bool b2);
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
15
P25Defines.h
15
P25Defines.h
|
@ -20,8 +20,16 @@
|
||||||
#define P25DEFINES_H
|
#define P25DEFINES_H
|
||||||
|
|
||||||
const unsigned int P25_HDR_FRAME_LENGTH_BYTES = 99U;
|
const unsigned int P25_HDR_FRAME_LENGTH_BYTES = 99U;
|
||||||
|
const unsigned int P25_HDR_FRAME_LENGTH_BITS = P25_HDR_FRAME_LENGTH_BYTES * 8U;
|
||||||
|
|
||||||
const unsigned int P25_LDU_FRAME_LENGTH_BYTES = 216U;
|
const unsigned int P25_LDU_FRAME_LENGTH_BYTES = 216U;
|
||||||
|
const unsigned int P25_LDU_FRAME_LENGTH_BITS = P25_LDU_FRAME_LENGTH_BYTES * 8U;
|
||||||
|
|
||||||
|
const unsigned int P25_TERM_FRAME_LENGTH_BYTES = 18U;
|
||||||
|
const unsigned int P25_TERM_FRAME_LENGTH_BITS = P25_TERM_FRAME_LENGTH_BYTES * 8U;
|
||||||
|
|
||||||
|
const unsigned int P25_TERMLC_FRAME_LENGTH_BYTES = 54U;
|
||||||
|
const unsigned int P25_TERMLC_FRAME_LENGTH_BITS = P25_TERMLC_FRAME_LENGTH_BYTES * 8U;
|
||||||
|
|
||||||
const unsigned int P25_SYNC_LENGTH_BYTES = 6U;
|
const unsigned int P25_SYNC_LENGTH_BYTES = 6U;
|
||||||
const unsigned int P25_NID_LENGTH_BYTES = 8U;
|
const unsigned int P25_NID_LENGTH_BYTES = 8U;
|
||||||
|
@ -29,5 +37,12 @@ const unsigned int P25_NID_LENGTH_BYTES = 8U;
|
||||||
const unsigned char P25_SYNC_BYTES[] = {0x55U, 0x75U, 0xF5U, 0xFFU, 0x77U, 0xFFU};
|
const unsigned char P25_SYNC_BYTES[] = {0x55U, 0x75U, 0xF5U, 0xFFU, 0x77U, 0xFFU};
|
||||||
const unsigned char P25_SYNC_BYTES_LENGTH = 6U;
|
const unsigned char P25_SYNC_BYTES_LENGTH = 6U;
|
||||||
|
|
||||||
|
const unsigned char P25_DUID_HEADER = 0x00U;
|
||||||
|
const unsigned char P25_DUID_TERM = 0x03U;
|
||||||
|
const unsigned char P25_DUID_LDU1 = 0x05U;
|
||||||
|
const unsigned char P25_DUID_LDU2 = 0x09U;
|
||||||
|
const unsigned char P25_DUID_PDU = 0x0CU;
|
||||||
|
const unsigned char P25_DUID_TERM_LC = 0x0FU;
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue