mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-25 10:00:23 -04:00
d17c48183d
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5608 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
125 lines
3.4 KiB
Plaintext
125 lines
3.4 KiB
Plaintext
/* the routine unpk() is not in wsprd_utils.c */
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <time.h>
|
|
|
|
#include "wsprd_utils.h"
|
|
|
|
unsigned int nhash_( const void *key, size_t length, uint32_t initval);
|
|
|
|
void unpk_(signed char message[], int *nhashtab, char call_loc_pow[])
|
|
{
|
|
int i,n1,n2,n3,ndbm,ihash,nadd,noprint,nh;
|
|
char callsign[13],grid[5],grid6[7],cdbm[3];
|
|
static char hashtab[32768][13];
|
|
FILE *fhash;
|
|
|
|
if(*nhashtab==1) {
|
|
char line[80], hcall[12];
|
|
if( (fhash=fopen("hashtable.txt","r+")) ) {
|
|
while (fgets(line, sizeof(line), fhash) != NULL) {
|
|
sscanf(line,"%d %s",&nh,hcall);
|
|
strcpy(*hashtab+nh*13,hcall);
|
|
}
|
|
} else {
|
|
fhash=fopen("hashtable.txt","w+");
|
|
}
|
|
fclose(fhash);
|
|
return;
|
|
}
|
|
|
|
if(*nhashtab==2) {
|
|
fhash=fopen("hashtable.txt","w");
|
|
for (i=0; i<32768; i++) {
|
|
if( strncmp(hashtab[i],"\0",1) != 0 ) {
|
|
fprintf(fhash,"%5d %s\n",i,*hashtab+i*13);
|
|
}
|
|
}
|
|
fclose(fhash);
|
|
return;
|
|
}
|
|
|
|
unpack50(message,&n1,&n2);
|
|
unpackcall(n1,callsign);
|
|
unpackgrid(n2, grid);
|
|
int ntype = (n2&127) - 64;
|
|
callsign[12]=0;
|
|
grid[4]=0;
|
|
|
|
/*
|
|
Based on the value of ntype, decide whether this is a Type 1, 2, or
|
|
3 message.
|
|
|
|
* Type 1: 6 digit call, grid, power - ntype is positive and is a member
|
|
of the set {0,3,7,10,13,17,20...60}
|
|
|
|
* Type 2: extended callsign, power - ntype is positive but not
|
|
a member of the set of allowed powers
|
|
|
|
* Type 3: hash, 6 digit grid, power - ntype is negative.
|
|
*/
|
|
|
|
if( (ntype >= 0) && (ntype <= 62) ) {
|
|
int nu=ntype%10;
|
|
if( nu == 0 || nu == 3 || nu == 7 ) {
|
|
ndbm=ntype;
|
|
memset(call_loc_pow,0,sizeof(char)*23);
|
|
sprintf(cdbm,"%2d",ndbm);
|
|
strncat(call_loc_pow,callsign,strlen(callsign));
|
|
strncat(call_loc_pow," ",1);
|
|
strncat(call_loc_pow,grid,4);
|
|
strncat(call_loc_pow," ",1);
|
|
strncat(call_loc_pow,cdbm,2);
|
|
strncat(call_loc_pow,"\0",1);
|
|
ihash=nhash_(callsign,strlen(callsign),(uint32_t)146);
|
|
strcpy(*hashtab+ihash*13,callsign);
|
|
} else {
|
|
nadd=nu;
|
|
if( nu > 3 ) nadd=nu-3;
|
|
if( nu > 7 ) nadd=nu-7;
|
|
n3=n2/128+32768*(nadd-1);
|
|
unpackpfx(n3,callsign);
|
|
ndbm=ntype-nadd;
|
|
memset(call_loc_pow,0,sizeof(char)*23);
|
|
sprintf(cdbm,"%2d",ndbm);
|
|
strncat(call_loc_pow,callsign,strlen(callsign));
|
|
strncat(call_loc_pow," ",1);
|
|
strncat(call_loc_pow,cdbm,2);
|
|
strncat(call_loc_pow,"\0",1);
|
|
ihash=nhash_(callsign,strlen(callsign),(uint32_t)146);
|
|
strcpy(*hashtab+ihash*13,callsign);
|
|
noprint=0;
|
|
}
|
|
} else if ( ntype < 0 ) {
|
|
ndbm=-(ntype+1);
|
|
memset(grid6,0,sizeof(char)*7);
|
|
strncat(grid6,callsign+5,1);
|
|
strncat(grid6,callsign,5);
|
|
ihash=(n2-ntype-64)/128;
|
|
if( strncmp(hashtab[ihash],"\0",1) != 0 ) {
|
|
sprintf(callsign,"<%s>",hashtab[ihash]);
|
|
} else {
|
|
sprintf(callsign,"%5s","<...>");
|
|
}
|
|
|
|
memset(call_loc_pow,0,sizeof(char)*23);
|
|
sprintf(cdbm,"%2d",ndbm);
|
|
strncat(call_loc_pow,callsign,strlen(callsign));
|
|
strncat(call_loc_pow," ",1);
|
|
strncat(call_loc_pow,grid6,strlen(grid6));
|
|
strncat(call_loc_pow," ",1);
|
|
strncat(call_loc_pow,cdbm,2);
|
|
strncat(call_loc_pow,"\0",1);
|
|
|
|
noprint=0;
|
|
|
|
// I don't know what to do with these... They show up as "A000AA" grids.
|
|
if( ntype == -64 ) noprint=1;
|
|
}
|
|
// printf("\nUnpacked in C: %s\n",call_loc_pow);
|
|
}
|