Add the optional System Fusion Parrot.

Conf.cpp

@@ -75,6 +75,7 @@ m_dmrBeacons(false),
 m_dmrId(0U),
 m_dmrColorCode(2U),
 m_fusionEnabled(true),
+m_fusionParrotEnabled(false),
 m_dstarNetworkEnabled(true),
 m_dstarGatewayAddress(),
 m_dstarGatewayPort(0U),
@@ -222,6 +223,8 @@ bool CConf::read()
 	} else if (section == SECTION_FUSION) {
 		if (::strcmp(key, "Enable") == 0)
 			m_fusionEnabled = ::atoi(value) == 1;
+		else if (::strcmp(key, "Parrot") == 0)
+			m_fusionParrotEnabled = ::atoi(value) == 1;
 	} else if (section == SECTION_DSTAR_NETWORK) {
 		if (::strcmp(key, "Enable") == 0)
 			m_dstarNetworkEnabled = ::atoi(value) == 1;
@@ -435,6 +438,11 @@ bool CConf::getFusionEnabled() const
 	return m_fusionEnabled;
 }
 
+bool CConf::getFusionParrotEnabled() const
+{
+	return m_fusionParrotEnabled;
+}
+
 bool CConf::getDStarNetworkEnabled() const
 {
 	return m_dstarNetworkEnabled;

Conf.h

@@ -75,6 +75,7 @@ public:
 
   // The System Fusion section
   bool         getFusionEnabled() const;
+  bool         getFusionParrotEnabled() const;
 
   // The D-Star Network section
   bool         getDStarNetworkEnabled() const;
@@ -143,6 +144,7 @@ private:
   unsigned int m_dmrColorCode;
 
   bool         m_fusionEnabled;
+  bool         m_fusionParrotEnabled;
 
   bool         m_dstarNetworkEnabled;
   std::string  m_dstarGatewayAddress;

MMDVM.ini

@@ -46,6 +46,7 @@ ColorCode=1
 
 [System Fusion]
 Enable=1
+Parrot=1
 
 [D-Star Network]
 Enable=1

MMDVMHost.cpp

@@ -171,12 +171,14 @@ int CMMDVMHost::run()
 		std::string callsign = m_conf.getCallsign();
 		unsigned int timeout = m_conf.getTimeout();
 		bool duplex          = m_conf.getDuplex();
+		bool parrot          = m_conf.getFusionParrotEnabled();
 
 		LogInfo("System Fusion Parameters");
 		LogInfo("    Callsign: %s", callsign.c_str());
 		LogInfo("    Timeout: %us", timeout);
+		LogInfo("    Parrot: %s", parrot ? "enabled" : "disabled");
 
-		ysf = new CYSFControl(callsign, m_display, timeout, duplex);
+		ysf = new CYSFControl(callsign, m_display, timeout, duplex, parrot);
 	}
 
 	m_modeTimer.setTimeout(m_conf.getModeHang());

MMDVMHost.vcxproj

@@ -193,6 +193,7 @@
     <ClInclude Include="YSFConvolution.h" />
     <ClInclude Include="YSFDefines.h" />
     <ClInclude Include="YSFFICH.h" />
+    <ClInclude Include="YSFParrot.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="AMBEFEC.cpp" />
@@ -236,6 +237,7 @@
     <ClCompile Include="YSFControl.cpp" />
     <ClCompile Include="YSFConvolution.cpp" />
     <ClCompile Include="YSFFICH.cpp" />
+    <ClCompile Include="YSFParrot.cpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

MMDVMHost.vcxproj.filters

@@ -152,6 +152,9 @@
     <ClInclude Include="YSFControl.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="YSFParrot.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="BPTC19696.cpp">
@@ -277,5 +280,8 @@
     <ClCompile Include="YSFControl.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="YSFParrot.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

Makefile

@@ -7,7 +7,7 @@ LDFLAGS = -g
 OBJECTS = \
 		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 DMRLC.o DMRShortLC.o \
 		DMRSlot.o DMRSlotType.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o Modem.o NullDisplay.o \
-		QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o
+		QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFControl.o YSFConvolution.o YSFFICH.o YSFParrot.o
 
 all:		MMDVMHost
 

YSFControl.cpp

@@ -29,20 +29,25 @@
  * Uplink and downlink callsign addition.
  */
 
-CYSFControl::CYSFControl(const std::string& callsign, IDisplay* display, unsigned int timeout, bool duplex) :
+CYSFControl::CYSFControl(const std::string& callsign, IDisplay* display, unsigned int timeout, bool duplex, bool parrot) :
 m_display(display),
 m_duplex(duplex),
 m_queue(1000U, "YSF Control"),
 m_state(RS_LISTENING),
 m_timeoutTimer(1000U, timeout),
 m_frames(0U),
+m_parrot(NULL),
 m_fp(NULL)
 {
 	assert(display != NULL);
+
+	if (parrot)
+		m_parrot = new CYSFParrot(timeout);
 }
 
 CYSFControl::~CYSFControl()
 {
+	delete m_parrot;
 }
 
 bool CYSFControl::writeModem(unsigned char *data)
@@ -87,12 +92,17 @@ bool CYSFControl::writeModem(unsigned char *data)
 			writeQueue(data);
 		}
 
+		if (m_parrot != NULL) {
+			data[0U] = TAG_EOT;
+			data[1U] = 0x00U;
+			writeParrot(data);
+		}
+
 #if defined(DUMP_YSF)
 		writeFile(data + 2U);
 #endif
 
 		LogMessage("YSF, received RF end of transmission, %.1f seconds", float(m_frames) / 10.0F);
-
 		writeEndOfTransmission();
 
 		return false;
@@ -107,6 +117,12 @@ bool CYSFControl::writeModem(unsigned char *data)
 			writeQueue(data);
 		}
 
+		if (m_parrot != NULL) {
+			data[0U] = TAG_DATA;
+			data[1U] = 0x00U;
+			writeParrot(data);
+		}
+
 #if defined(DUMP_YSF)
 		writeFile(data + 2U);
 #endif
@@ -144,6 +160,19 @@ void CYSFControl::writeEndOfTransmission()
 void CYSFControl::clock(unsigned int ms)
 {
 	m_timeoutTimer.clock(ms);
+
+	if (m_parrot != NULL) {
+		m_parrot->clock(ms);
+
+		unsigned int space = m_queue.freeSpace();
+		bool hasData = m_parrot->hasData();
+
+		if (space > (YSF_FRAME_LENGTH_BYTES + 2U) && hasData) {
+			unsigned char data[YSF_FRAME_LENGTH_BYTES + 2U];
+			m_parrot->read(data);
+			writeQueue(data);
+		}
+	}
 }
 
 void CYSFControl::writeQueue(const unsigned char *data)
@@ -159,6 +188,16 @@ void CYSFControl::writeQueue(const unsigned char *data)
 	m_queue.addData(data, len);
 }
 
+void CYSFControl::writeParrot(const unsigned char *data)
+{
+	assert(data != NULL);
+
+	if (m_timeoutTimer.isRunning() && m_timeoutTimer.hasExpired())
+		return;
+
+	m_parrot->write(data);
+}
+
 bool CYSFControl::openFile()
 {
 	if (m_fp != NULL)

YSFControl.h

@@ -21,6 +21,7 @@
 
 #include "YSFDefines.h"
 #include "RingBuffer.h"
+#include "YSFParrot.h"
 #include "Display.h"
 #include "Defines.h"
 #include "Timer.h"
@@ -30,7 +31,7 @@
 
 class CYSFControl {
 public:
-	CYSFControl(const std::string& callsign, IDisplay* display, unsigned int timeout, bool duplex);
+	CYSFControl(const std::string& callsign, IDisplay* display, unsigned int timeout, bool duplex, bool parrot);
 	~CYSFControl();
 
 	bool writeModem(unsigned char* data);
@@ -46,9 +47,11 @@ private:
 	RPT_STATE                  m_state;
 	CTimer                     m_timeoutTimer;
 	unsigned int               m_frames;
+	CYSFParrot*                m_parrot;
 	FILE*                      m_fp;
 
 	void writeQueue(const unsigned char* data);
+	void writeParrot(const unsigned char* data);
 
 	void writeEndOfTransmission();
 

YSFParrot.cpp

@@ -0,0 +1,92 @@
+/*
+*   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.
+*/
+
+#include "YSFParrot.h"
+#include "YSFDefines.h"
+#include "Defines.h"
+
+#include <cstdio>
+#include <cassert>
+#include <cstring>
+
+CYSFParrot::CYSFParrot(unsigned int timeout) :
+m_data(NULL),
+m_length(timeout * 1220U + 1000U),
+m_used(0U),
+m_ptr(0U),
+m_timer(1000U, 2U)
+{
+	assert(timeout > 0U);
+
+	m_data = new unsigned char[m_length];
+}
+
+CYSFParrot::~CYSFParrot()
+{
+	delete[] m_data;
+}
+
+bool CYSFParrot::write(const unsigned char* data)
+{
+	assert(data != NULL);
+
+	if ((m_length - m_used) < 1000U)
+		return false;
+
+	::memcpy(m_data + m_used, data, YSF_FRAME_LENGTH_BYTES + 2U);
+	m_used += YSF_FRAME_LENGTH_BYTES + 2U;
+
+	if (data[0U] == TAG_EOT) {
+		m_timer.start();
+		m_ptr = 0U;
+	}
+
+	return true;
+}
+
+void CYSFParrot::read(unsigned char* data)
+{
+	assert(data != NULL);
+
+	if (m_used == 0U)
+		return;
+
+	::memcpy(data, m_data + m_ptr, YSF_FRAME_LENGTH_BYTES + 2U);
+	m_ptr += YSF_FRAME_LENGTH_BYTES + 2U;
+
+	if (m_ptr >= m_used) {
+		m_timer.stop();
+		m_used = 0U;
+	}
+}
+
+bool CYSFParrot::hasData()
+{
+	if (m_timer.isRunning() && m_timer.hasExpired())
+		return true;
+
+	if (m_used == 0U)
+		return false;
+
+	return false;
+}
+
+void CYSFParrot::clock(unsigned int ms)
+{
+	m_timer.clock(ms);
+}

YSFParrot.h

@@ -0,0 +1,46 @@
+/*
+*   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(YAFParrot_H)
+#define	YSFParrot_H
+
+#include "Timer.h"
+
+class CYSFParrot
+{
+public:
+	CYSFParrot(unsigned int timeout);
+	~CYSFParrot();
+
+	bool write(const unsigned char* data);
+
+	void read(unsigned char* data);
+
+	bool hasData();
+
+	void clock(unsigned int ms);
+
+private:
+	unsigned char* m_data;
+	unsigned int   m_length;
+	unsigned int   m_used;
+	unsigned int   m_ptr;
+	CTimer         m_timer;
+};
+
+#endif