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Keep APRS messages within the IGC

master
Pawel Jalocha 2022-08-07 05:01:03 +01:00
rodzic a59e1ec30f
commit db6af0f2f4
2 zmienionych plików z 23 dodań i 17 usunięć
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38
utils/aprs2igc.cc
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@ -12,9 +12,12 @@
static bool Earlier(const char *Line1, const char *Line2) { return strcmp(Line1, Line2)<0; }
static int Verbose = 1;
static int Verbose = 0;
static int GeoidSepar = 40;
const int MaxLineLen = 256;
const int MaxIGClen = 64;
static FILE *OutFile = 0;
int main(int argc, char *argv[])
@ -22,8 +25,8 @@ int main(int argc, char *argv[])
{ printf("Usage: %s <own-aircraft-APRS-call> <input-file.aprs>\n", argv[0]);
return 0; }
const char *OwnAcft = argv[1]; int OwnAcftLen = strlen(OwnAcft);
char OutFileName[32]; strcpy(OutFileName, OwnAcft); strcat(OutFileName, ".IGC");
const char *OwnAcft = argv[1]; int OwnAcftLen = strlen(OwnAcft); // target aircraft APRS name
char OutFileName[32]; strcpy(OutFileName, OwnAcft); strcat(OutFileName, ".IGC"); // create the IGC file name
const char *InpFileName = argv[2];
FILE *InpFile;
@ -33,32 +36,35 @@ int main(int argc, char *argv[])
if(InpFile==0) { printf("Cannot open %s for read\n", InpFileName); return 0; }
}
std::vector<char *> OutLine;
char InpLine[256];
// char OutLine[256];
std::vector<char *> OutLine; // list of APRS lines for the selected aircraft
char InpLine[MaxLineLen];
// char OutLine[MaxLineLen];
int InpLines=0;
// int OutLines=0;
char *Out=0;
char *Out=0; // (new) IGC line allocated
for( ; ; )
{ if(fgets(InpLine, 256, InpFile)==0) break;
{ if(fgets(InpLine, MaxLineLen, InpFile)==0) break; // read line from the input
char *EOL = strchr(InpLine, '\n'); if(EOL==0) break;
*EOL = 0;
InpLines++;
if(memcmp(InpLine, OwnAcft, OwnAcftLen)) continue;
if(Out==0) Out = (char *)malloc(60);
int OutLen=APRS2IGC(Out, InpLine, GeoidSepar);
if(OutLen>0)
{ if(Verbose) printf("%s => %s [%d]\n", InpLine, Out, OutLen);
OutLine.push_back(Out); Out=0; }
if(memcmp(InpLine, OwnAcft, OwnAcftLen)) continue; // must start with the selected APRS name
if(Out==0) Out = (char *)malloc(MaxIGClen+MaxLineLen); // allocated (new) IGC line
int OutLen=APRS2IGC(Out, InpLine, GeoidSepar); // convert APRS to IGC B-record
if(OutLen>0) // if correct conversion
{ // if(Verbose) printf("%s => %s [%d]\n", InpLine, Out, OutLen);
OutLen += Format_String(Out+OutLen, "LGNE ");
OutLen += Format_String(Out+OutLen, InpLine);
Out[OutLen++] = '\n'; Out[OutLen] = 0;
OutLine.push_back(Out); Out=0; } // add the new IGC line to the list
}
if(Out) { free(Out); Out=0; }
if(InpFile!=stdin) fclose(InpFile);
printf("%d lines from %s\n", InpLines, InpFileName);
std::sort(OutLine.begin(), OutLine.end(), Earlier);
std::sort(OutLine.begin(), OutLine.end(), Earlier); // sort the IGC B-record lines
OutFile=fopen(OutFileName, "wt");
if(OutFile==0) { printf("Cannot open %s for write\n", OutFileName); return 0; }
for(size_t Idx=0; Idx<OutLine.size(); Idx++)
for(size_t Idx=0; Idx<OutLine.size(); Idx++) // look over (now sorted) IGC B-records
{ fprintf(OutFile, "%s", OutLine[Idx]); }
fclose(OutFile);
printf("%lu lines to %s\n", OutLine.size(), OutFileName);

2
utils/ognconv.cpp
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@ -277,7 +277,7 @@ int APRS2IGC(char *Out, const char *Inp, int GeoidSepar) // convert
Msg++; // where message starts
if(Msg[0]!='/' || Msg[7]!='h') return 0;
const char *Pos = Msg+8; if(Pos[4]!='.' || Pos[14]!='.') return 0; // where position starts
const char *ExtPos = strstr(Pos+18, " !W"); if(ExtPos[5]=='!') ExtPos+=3; else ExtPos=0;
const char *ExtPos = strstr(Pos+18, " !W"); if(ExtPos && ExtPos[5]=='!') ExtPos+=3; else ExtPos=0;
Out[Len++]='B'; // B-record
memcpy(Out+Len, Msg+1, 6); Len+=6; // copy UTC time
memcpy(Out+Len, Pos, 4); Len+=4; // copy DDMM