From f24d63a70d3c11d22773a7f7942ba79d6748999f Mon Sep 17 00:00:00 2001
From: Pawel Jalocha <Pawel.Jalocha@gmail.com>
Date: Sun, 20 Feb 2022 07:44:15 +0000
Subject: [PATCH] Read and convert .TLG files to APRS

---
 utils/makefile    |  3 +++
 utils/tlg2aprs.cc | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 utils/tlg2aprs.cc

diff --git a/utils/makefile b/utils/makefile
index 55e1c1f..f4a963e 100644
--- a/utils/makefile
+++ b/utils/makefile
@@ -1,6 +1,9 @@
 read_log:	read_log.cc
 	g++ -Wall -Wno-misleading-indentation -O2 -o read_log read_log.cc format.cpp
 
+tlg2aprs:	tlg2aprs.cc
+	g++ -Wall -Wno-misleading-indentation -O2 -o tlg2aprs tlg2aprs.cc format.cpp ognconv.cpp
+
 aprs2igc:	aprs2igc.cc
 	g++ -Wall -Wno-misleading-indentation -O2 -o aprs2igc aprs2igc.cc format.cpp ognconv.cpp
 
diff --git a/utils/tlg2aprs.cc b/utils/tlg2aprs.cc
new file mode 100644
index 0000000..5c8a219
--- /dev/null
+++ b/utils/tlg2aprs.cc
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include "ogn1.h"
+#include "ogn.h"
+
+static char Line[160];
+
+static int ProcessFile(const char *FileName)
+{ uint32_t FileTime=0;
+  const char *ShortName=FileName;
+  for( ; ; )
+  { const char *Slash=strchr(ShortName, '/'); if(Slash==0) break;
+    ShortName=Slash+1; }
+  if(Read_Hex(FileTime, ShortName)!=8) printf("Not a TLG file: %s\n", ShortName);
+  FILE *File = fopen(FileName, "rb"); if(File==0) { printf("Cannot open %s for read\n", FileName); return 0; }
+  OGN_LogPacket<OGN1_Packet> Packet;
+  int Packets=0;
+  for( ; ; )
+  { if(fread(&Packet, Packet.Bytes, 1, File)!=1) break;          // read the next packet from the file
+    if(!Packet.isCorrect()) continue;                            //
+    uint32_t Time=Packet.getTime(FileTime);                      // [sec] get exact time from short time in the packet and the file start time
+    int Len=Packet.Packet.WriteAPRS(Line, Time);
+    if(Len==0) continue;
+    printf("%s\n", Line); }
+  fclose(File); return Packets; }
+
+int main(int argc, char *argv[])
+{
+
+  for(int arg=1; arg<argc; arg++)
+  { ProcessFile(argv[arg]); }
+
+  return 0; }
+