The beginnings of DMR Id to callsign lookups.

Author: g4klx

DMRLookup.cpp

@@ -0,0 +1,78 @@
+/*
+*   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 "DMRLookup.h"
+#include "Log.h"
+
+#include <cstdio>
+#include <cstring>
+#include <cctype>
+
+CDMRLookup::CDMRLookup(const std::string& filename) :
+m_filename(filename)
+{
+}
+
+CDMRLookup::~CDMRLookup()
+{
+}
+
+bool CDMRLookup::read()
+{
+	FILE* fp = ::fopen(m_filename.c_str(), "rt");
+	if (fp == NULL) {
+		LogWarning("Cannot open the DMR Id lookup file - %s", m_filename.c_str());
+		return false;
+	}
+
+	char buffer[100U];
+	while (::fgets(buffer, 100U, fp) != NULL) {
+		if (buffer[0U] == '#')
+			continue;
+
+		char* p1 = ::strtok(buffer, " \t\r\n");
+		char* p2 = ::strtok(NULL, " \t\r\n");
+
+		if (p1 != NULL && p2 != NULL) {
+			unsigned int id = (unsigned int)::atoi(p1);
+			for (char* p = p2; *p != 0x00U; p++)
+				*p = ::toupper(*p);
+
+			m_table[id] = std::string(p2);
+		}
+	}
+
+	LogInfo("Loaded %u DMR Ids to the callsign lookup table", m_table.size());
+
+	return true;
+}
+
+std::string CDMRLookup::find(unsigned int id) const
+{
+	std::string callsign;
+
+	try {
+		callsign = m_table.at(id);
+	} catch (std::out_of_range& e) {
+		char text[10U];
+		::sprintf(text, "%u", id);
+		callsign = std::string(text);
+	}
+
+	return callsign;
+}

DMRLookup.h

@@ -0,0 +1,39 @@
+/*
+*   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.
+*/
+
+#ifndef	DMRLookup_H
+#define	DMRLookup_H
+
+#include <string>
+#include <unordered_map>
+
+class CDMRLookup {
+public:
+	CDMRLookup(const std::string& filename);
+	~CDMRLookup();
+
+	bool read();
+
+	std::string find(unsigned int id) const;
+
+private:
+	std::string                                   m_filename;
+	std::unordered_map<unsigned int, std::string> m_table;
+};
+
+#endif

MMDVMHost.vcxproj

@@ -173,6 +173,7 @@
     <ClInclude Include="Golay2087.h" />
     <ClInclude Include="Golay24128.h" />
     <ClInclude Include="Hamming.h" />
+    <ClInclude Include="DMRLookup.h" />
     <ClInclude Include="Log.h" />
     <ClInclude Include="MMDVMHost.h" />
     <ClInclude Include="Modem.h" />
@@ -213,6 +214,7 @@
     <ClCompile Include="DMRFullLC.cpp" />
     <ClCompile Include="DMRIPSC.cpp" />
     <ClCompile Include="DMRLC.cpp" />
+    <ClCompile Include="DMRLookup.cpp" />
     <ClCompile Include="DMRShortLC.cpp" />
     <ClCompile Include="DMRSlot.cpp" />
     <ClCompile Include="DMRSlotType.cpp" />

MMDVMHost.vcxproj.filters

@@ -164,6 +164,9 @@
     <ClInclude Include="Nextion.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="DMRLookup.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="BPTC19696.cpp">
@@ -301,5 +304,8 @@
     <ClCompile Include="Nextion.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="DMRLookup.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

Makefile

@@ -7,10 +7,10 @@ LIBS    =
 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 Nextion.o \
-		NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o Trellis.o UDPSocket.o Utils.o YSFControl.o YSFConvolution.o \
-		YSFFICH.o YSFParrot.o YSFPayload.o
+		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 \
+		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 \
+		Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o Trellis.o UDPSocket.o Utils.o YSFControl.o \
+		YSFConvolution.o YSFFICH.o YSFParrot.o YSFPayload.o
 
 all:		MMDVMHost
 

Makefile.Pi

@@ -7,9 +7,9 @@ LIBS    = -lwiringPi -lwiringPiDev
 LDFLAGS = -g -L/usr/local/lib
 
 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 HD44780.o Log.o MMDVMHost.o Modem.o \
-		Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o Trellis.o UDPSocket.o Utils.o YSFControl.o \
+		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 \
+		DMRShortLC.o DMRSlot.o DMRSlotType.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o MMDVMHost.o \
+		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o Trellis.o UDPSocket.o Utils.o YSFControl.o \
 		YSFConvolution.o YSFFICH.o YSFParrot.o YSFPayload.o
 
 all:		MMDVMHost