mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-21 23:55:13 -05:00
FT8 demod: isolate call1, all2 and locator in callback
This commit is contained in:
f4exb
parent
6594bf209e
commit
23e01ea064
219
ft8/ft8.cpp
219
ft8/ft8.cpp
@ -406,181 +406,23 @@ public:
|
||||
// bits being one. measured from reconstructed correct
|
||||
// codewords, into ft8bits, then python bprob.py.
|
||||
// from ft8-n4
|
||||
float apriori174[] = {
|
||||
0.47,
|
||||
0.32,
|
||||
0.29,
|
||||
0.37,
|
||||
0.52,
|
||||
0.36,
|
||||
0.40,
|
||||
0.42,
|
||||
0.42,
|
||||
0.53,
|
||||
0.44,
|
||||
0.44,
|
||||
0.39,
|
||||
0.46,
|
||||
0.39,
|
||||
0.38,
|
||||
0.42,
|
||||
0.43,
|
||||
0.45,
|
||||
0.51,
|
||||
0.42,
|
||||
0.48,
|
||||
0.31,
|
||||
0.45,
|
||||
0.47,
|
||||
0.53,
|
||||
0.59,
|
||||
0.41,
|
||||
0.03,
|
||||
0.50,
|
||||
0.30,
|
||||
0.26,
|
||||
0.40,
|
||||
0.65,
|
||||
0.34,
|
||||
0.49,
|
||||
0.46,
|
||||
0.49,
|
||||
0.69,
|
||||
0.40,
|
||||
0.45,
|
||||
0.45,
|
||||
0.60,
|
||||
0.46,
|
||||
0.43,
|
||||
0.49,
|
||||
0.56,
|
||||
0.45,
|
||||
0.55,
|
||||
0.51,
|
||||
0.46,
|
||||
0.37,
|
||||
0.55,
|
||||
0.52,
|
||||
0.56,
|
||||
0.55,
|
||||
0.50,
|
||||
0.01,
|
||||
0.19,
|
||||
0.70,
|
||||
0.88,
|
||||
0.75,
|
||||
0.75,
|
||||
0.74,
|
||||
0.73,
|
||||
0.18,
|
||||
0.71,
|
||||
0.35,
|
||||
0.60,
|
||||
0.58,
|
||||
0.36,
|
||||
0.60,
|
||||
0.38,
|
||||
0.50,
|
||||
0.02,
|
||||
0.01,
|
||||
0.98,
|
||||
0.48,
|
||||
0.49,
|
||||
0.54,
|
||||
0.50,
|
||||
0.49,
|
||||
0.53,
|
||||
0.50,
|
||||
0.49,
|
||||
0.49,
|
||||
0.51,
|
||||
0.51,
|
||||
0.51,
|
||||
0.47,
|
||||
0.50,
|
||||
0.53,
|
||||
0.51,
|
||||
0.46,
|
||||
0.51,
|
||||
0.51,
|
||||
0.48,
|
||||
0.51,
|
||||
0.52,
|
||||
0.50,
|
||||
0.52,
|
||||
0.51,
|
||||
0.50,
|
||||
0.49,
|
||||
0.53,
|
||||
0.52,
|
||||
0.50,
|
||||
0.46,
|
||||
0.47,
|
||||
0.48,
|
||||
0.52,
|
||||
0.50,
|
||||
0.49,
|
||||
0.51,
|
||||
0.49,
|
||||
0.49,
|
||||
0.50,
|
||||
0.50,
|
||||
0.50,
|
||||
0.50,
|
||||
0.51,
|
||||
0.50,
|
||||
0.49,
|
||||
0.49,
|
||||
0.55,
|
||||
0.49,
|
||||
0.51,
|
||||
0.48,
|
||||
0.55,
|
||||
0.49,
|
||||
0.48,
|
||||
0.50,
|
||||
0.51,
|
||||
0.50,
|
||||
0.51,
|
||||
0.50,
|
||||
0.51,
|
||||
0.53,
|
||||
0.49,
|
||||
0.54,
|
||||
0.50,
|
||||
0.48,
|
||||
0.49,
|
||||
0.46,
|
||||
0.51,
|
||||
0.51,
|
||||
0.52,
|
||||
0.49,
|
||||
0.51,
|
||||
0.49,
|
||||
0.51,
|
||||
0.50,
|
||||
0.49,
|
||||
0.50,
|
||||
0.50,
|
||||
0.47,
|
||||
0.49,
|
||||
0.52,
|
||||
0.49,
|
||||
0.51,
|
||||
0.49,
|
||||
0.48,
|
||||
0.52,
|
||||
0.48,
|
||||
0.49,
|
||||
0.47,
|
||||
0.50,
|
||||
0.48,
|
||||
0.50,
|
||||
0.49,
|
||||
0.51,
|
||||
0.51,
|
||||
0.51,
|
||||
0.49,
|
||||
double apriori174[] = {
|
||||
0.47, 0.32, 0.29, 0.37, 0.52, 0.36, 0.40, 0.42, 0.42, 0.53, 0.44,
|
||||
0.44, 0.39, 0.46, 0.39, 0.38, 0.42, 0.43, 0.45, 0.51, 0.42, 0.48,
|
||||
0.31, 0.45, 0.47, 0.53, 0.59, 0.41, 0.03, 0.50, 0.30, 0.26, 0.40,
|
||||
0.65, 0.34, 0.49, 0.46, 0.49, 0.69, 0.40, 0.45, 0.45, 0.60, 0.46,
|
||||
0.43, 0.49, 0.56, 0.45, 0.55, 0.51, 0.46, 0.37, 0.55, 0.52, 0.56,
|
||||
0.55, 0.50, 0.01, 0.19, 0.70, 0.88, 0.75, 0.75, 0.74, 0.73, 0.18,
|
||||
0.71, 0.35, 0.60, 0.58, 0.36, 0.60, 0.38, 0.50, 0.02, 0.01, 0.98,
|
||||
0.48, 0.49, 0.54, 0.50, 0.49, 0.53, 0.50, 0.49, 0.49, 0.51, 0.51,
|
||||
0.51, 0.47, 0.50, 0.53, 0.51, 0.46, 0.51, 0.51, 0.48, 0.51, 0.52,
|
||||
0.50, 0.52, 0.51, 0.50, 0.49, 0.53, 0.52, 0.50, 0.46, 0.47, 0.48,
|
||||
0.52, 0.50, 0.49, 0.51, 0.49, 0.49, 0.50, 0.50, 0.50, 0.50, 0.51,
|
||||
0.50, 0.49, 0.49, 0.55, 0.49, 0.51, 0.48, 0.55, 0.49, 0.48, 0.50,
|
||||
0.51, 0.50, 0.51, 0.50, 0.51, 0.53, 0.49, 0.54, 0.50, 0.48, 0.49,
|
||||
0.46, 0.51, 0.51, 0.52, 0.49, 0.51, 0.49, 0.51, 0.50, 0.49, 0.50,
|
||||
0.50, 0.47, 0.49, 0.52, 0.49, 0.51, 0.49, 0.48, 0.52, 0.48, 0.49,
|
||||
0.47, 0.50, 0.48, 0.50, 0.49, 0.51, 0.51, 0.51, 0.49,
|
||||
};
|
||||
|
||||
class FT8
|
||||
@ -3772,38 +3614,41 @@ void entry(
|
||||
|
||||
// decodes from previous runs, for subtraction.
|
||||
std::vector<cdecode> prevdecs;
|
||||
for (int i = 0; i < nprevdecs; i++)
|
||||
{
|
||||
|
||||
for (int i = 0; i < nprevdecs; i++) {
|
||||
prevdecs.push_back(xprevdecs[i]);
|
||||
}
|
||||
|
||||
std::vector<float> samples(nsamples);
|
||||
for (int i = 0; i < nsamples; i++)
|
||||
{
|
||||
|
||||
for (int i = 0; i < nsamples; i++) {
|
||||
samples[i] = xsamples[i];
|
||||
}
|
||||
|
||||
if (min_hz < 0)
|
||||
{
|
||||
if (min_hz < 0) {
|
||||
min_hz = 0;
|
||||
}
|
||||
if (max_hz > rate / 2)
|
||||
{
|
||||
|
||||
if (max_hz > rate / 2) {
|
||||
max_hz = rate / 2;
|
||||
}
|
||||
float per = (max_hz - min_hz) / nthreads;
|
||||
|
||||
float per = (max_hz - min_hz) / nthreads;
|
||||
std::vector<FT8 *> thv;
|
||||
|
||||
for (int i = 0; i < nthreads; i++)
|
||||
{
|
||||
float hz0 = min_hz + i * per;
|
||||
if (i > 0 || overlap_edges)
|
||||
|
||||
if (i > 0 || overlap_edges) {
|
||||
hz0 -= overlap;
|
||||
}
|
||||
|
||||
float hz1 = min_hz + (i + 1) * per;
|
||||
if (i != nthreads - 1 || overlap_edges)
|
||||
|
||||
if (i != nthreads - 1 || overlap_edges) {
|
||||
hz1 += overlap;
|
||||
}
|
||||
|
||||
hz0 = std::max(hz0, 0.0f);
|
||||
hz1 = std::min(hz1, (rate / 2.0f) - 50);
|
||||
@ -3823,9 +3668,7 @@ void entry(
|
||||
);
|
||||
|
||||
int npasses = nprevdecs > 0 ? npasses_two : npasses_one;
|
||||
|
||||
ft8->th_ = new std::thread([ft8, npasses] () { ft8->go(npasses); });
|
||||
|
||||
thv.push_back(ft8);
|
||||
}
|
||||
|
||||
|
||||
102
ft8/unpack.cpp
102
ft8/unpack.cpp
@ -248,24 +248,25 @@ void remember_call(std::string call)
|
||||
// 1 bit: swap
|
||||
// 2 bits: 1 RRR, 2 RR73, 3 73
|
||||
// 1 bit: 1 means CQ
|
||||
std::string unpack_4(int a77[])
|
||||
std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
|
||||
{
|
||||
(void) locstr;
|
||||
// 38 possible characters:
|
||||
const char *chars = " 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ/";
|
||||
|
||||
long long n58 = un(a77, 12, 58);
|
||||
char call[16];
|
||||
|
||||
for (int i = 0; i < 11; i++)
|
||||
{
|
||||
call[10 - i] = chars[n58 % 38];
|
||||
n58 = n58 / 38;
|
||||
}
|
||||
|
||||
call[11] = '\0';
|
||||
|
||||
remember_call(call);
|
||||
|
||||
if (un(a77, 73, 1) == 1)
|
||||
{
|
||||
if (un(a77, 73, 1) == 1) {
|
||||
return std::string("CQ ") + call;
|
||||
}
|
||||
|
||||
@ -273,38 +274,38 @@ std::string unpack_4(int a77[])
|
||||
// 12-bit hash
|
||||
hashes_mu.lock();
|
||||
std::string ocall;
|
||||
if (hashes12.count(x12) > 0)
|
||||
{
|
||||
|
||||
if (hashes12.count(x12) > 0) {
|
||||
ocall = hashes12[x12];
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
ocall = "<...12>";
|
||||
}
|
||||
|
||||
hashes_mu.unlock();
|
||||
|
||||
int swap = un(a77, 70, 1);
|
||||
std::string msg;
|
||||
|
||||
if (swap)
|
||||
{
|
||||
msg = std::string(call) + " " + ocall;
|
||||
call1str = call;
|
||||
call2str = ocall;
|
||||
}
|
||||
else
|
||||
{
|
||||
msg = std::string(ocall) + " " + call;
|
||||
call1str = ocall;
|
||||
call2str = call;
|
||||
}
|
||||
|
||||
int suffix = un(a77, 71, 2);
|
||||
if (suffix == 1)
|
||||
{
|
||||
|
||||
if (suffix == 1) {
|
||||
msg += " RRR";
|
||||
}
|
||||
else if (suffix == 2)
|
||||
{
|
||||
} else if (suffix == 2) {
|
||||
msg += " RR73";
|
||||
}
|
||||
else if (suffix == 3)
|
||||
{
|
||||
} else if (suffix == 3) {
|
||||
msg += " 73";
|
||||
}
|
||||
|
||||
@ -314,7 +315,7 @@ std::string unpack_4(int a77[])
|
||||
//
|
||||
// i3=1
|
||||
//
|
||||
std::string unpack_1(int a77[])
|
||||
std::string unpack_1(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
|
||||
{
|
||||
// type 1:
|
||||
// 28 call1
|
||||
@ -342,24 +343,26 @@ std::string unpack_1(int a77[])
|
||||
i += 3;
|
||||
assert((i3 == 1 || i3 == 2) && i == 77);
|
||||
|
||||
std::string call1text = trim(unpackcall(call1));
|
||||
std::string call2text = trim(unpackcall(call2));
|
||||
std::string gridtext = unpackgrid(grid, ir, i3);
|
||||
call1str = trim(unpackcall(call1));
|
||||
call2str = trim(unpackcall(call2));
|
||||
locstr = unpackgrid(grid, ir, i3);
|
||||
|
||||
remember_call(call1text);
|
||||
remember_call(call2text);
|
||||
remember_call(call1str);
|
||||
remember_call(call2str);
|
||||
|
||||
const char *pr = (i3 == 1 ? "/R" : "/P");
|
||||
|
||||
return call1text + (rover1 ? pr : "") + " " + call2text + (rover2 ? pr : "") + " " + gridtext;
|
||||
return call1str + (rover1 ? pr : "") + " " + call2str + (rover2 ? pr : "") + " " + locstr;
|
||||
}
|
||||
|
||||
// free text
|
||||
// 71 bits, 13 characters, each one of 42 choices.
|
||||
// reversed.
|
||||
// details from wsjt-x's packjt77.f90
|
||||
std::string unpack_0_0(int a77[])
|
||||
std::string unpack_0_0(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
|
||||
{
|
||||
(void) call2str;
|
||||
(void) locstr;
|
||||
// the 42 possible characters.
|
||||
const char *cc = " 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ+-./?";
|
||||
__int128 x = un(a77, 0, 71);
|
||||
@ -369,6 +372,7 @@ std::string unpack_0_0(int a77[])
|
||||
msg[13 - 1 - i] = cc[x % 42];
|
||||
x = x / 42;
|
||||
}
|
||||
call1str = msg;
|
||||
return msg;
|
||||
}
|
||||
|
||||
@ -390,8 +394,9 @@ const char *ru_states[] = {
|
||||
// 1 R
|
||||
// 3 RST 529 to 599
|
||||
// 13 state/province/serialnumber
|
||||
std::string unpack_3(int a77[])
|
||||
std::string unpack_3(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
|
||||
{
|
||||
(void) locstr;
|
||||
int i = 0;
|
||||
int tu = a77[i];
|
||||
i += 1;
|
||||
@ -406,8 +411,8 @@ std::string unpack_3(int a77[])
|
||||
int serial = un(a77, i, 13);
|
||||
i += 13;
|
||||
|
||||
std::string call1text = unpackcall(call1);
|
||||
std::string call2text = unpackcall(call2);
|
||||
call1str = trim(unpackcall(call1));
|
||||
call2str = trim(unpackcall(call2));
|
||||
|
||||
rst = 529 + 10 * rst;
|
||||
|
||||
@ -431,7 +436,7 @@ std::string unpack_3(int a77[])
|
||||
{
|
||||
msg += "TU; ";
|
||||
}
|
||||
msg += call1text + " " + call2text + " ";
|
||||
msg += call1str + " " + call2str + " ";
|
||||
if (r)
|
||||
{
|
||||
msg += "R ";
|
||||
@ -443,8 +448,8 @@ std::string unpack_3(int a77[])
|
||||
}
|
||||
msg += serialstr;
|
||||
|
||||
remember_call(call1text);
|
||||
remember_call(call2text);
|
||||
remember_call(call1str);
|
||||
remember_call(call2str);
|
||||
|
||||
return msg;
|
||||
}
|
||||
@ -464,8 +469,9 @@ const char *sections[] = {
|
||||
// i3 = 0, n3 = 3 or 4: ARRL Field Day
|
||||
// 0.3 WA9XYZ KA1ABC R 16A EMA 28 28 1 4 3 7 71 ARRL Field Day
|
||||
// 0.4 WA9XYZ KA1ABC R 32A EMA 28 28 1 4 3 7 71 ARRL Field Day
|
||||
std::string unpack_0_3(int a77[], int n3)
|
||||
std::string unpack_0_3(int a77[], int n3, std::string& call1str, std::string& call2str, std::string& locstr)
|
||||
{
|
||||
(void) locstr;
|
||||
int i = 0;
|
||||
int call1 = un(a77, i, 28);
|
||||
i += 28;
|
||||
@ -474,8 +480,11 @@ std::string unpack_0_3(int a77[], int n3)
|
||||
int R = un(a77, i, 1);
|
||||
i += 1;
|
||||
int n_transmitters = un(a77, i, 4);
|
||||
if (n3 == 4)
|
||||
|
||||
if (n3 == 4) {
|
||||
n_transmitters += 16;
|
||||
}
|
||||
|
||||
i += 4;
|
||||
int clss = un(a77, i, 3); // class
|
||||
i += 3;
|
||||
@ -483,19 +492,24 @@ std::string unpack_0_3(int a77[], int n3)
|
||||
i += 7;
|
||||
|
||||
std::string msg;
|
||||
msg += unpackcall(call1);
|
||||
call1str = trim(unpackcall(call1));
|
||||
msg += call1str;
|
||||
msg += " ";
|
||||
msg += unpackcall(call2);
|
||||
call2str = trim(unpackcall(call2));
|
||||
msg += call2str;
|
||||
msg += " ";
|
||||
if (R)
|
||||
|
||||
if (R) {
|
||||
msg += "R ";
|
||||
}
|
||||
|
||||
{
|
||||
char tmp[16];
|
||||
sprintf(tmp, "%d%c ", n_transmitters + 1, clss + 'A');
|
||||
msg += tmp;
|
||||
}
|
||||
if (section - 1 >= 0 && section - 1 < (int)(sizeof(sections) / sizeof(sections[0])))
|
||||
{
|
||||
|
||||
if (section - 1 >= 0 && section - 1 < (int)(sizeof(sections) / sizeof(sections[0]))) {
|
||||
msg += sections[section - 1];
|
||||
}
|
||||
|
||||
@ -508,7 +522,7 @@ std::string unpack_0_3(int a77[], int n3)
|
||||
// CRC and LDPC have already been checked.
|
||||
// details from wsjt-x's packjt77.f90 and 77bit.txt.
|
||||
//
|
||||
std::string unpack(int a77[])
|
||||
std::string unpack(int a77[], std::string& call1, std::string& call2, std::string& loc)
|
||||
{
|
||||
int i3 = un(a77, 74, 3);
|
||||
int n3 = un(a77, 71, 3);
|
||||
@ -516,31 +530,31 @@ std::string unpack(int a77[])
|
||||
if (i3 == 0 && n3 == 0)
|
||||
{
|
||||
// free text
|
||||
return unpack_0_0(a77);
|
||||
return unpack_0_0(a77, call1, call2, loc);
|
||||
}
|
||||
|
||||
if (i3 == 0 && (n3 == 3 || n3 == 4))
|
||||
{
|
||||
// ARRL Field Day
|
||||
return unpack_0_3(a77, n3);
|
||||
return unpack_0_3(a77, n3, call1, call2, loc);
|
||||
}
|
||||
|
||||
if (i3 == 1 || i3 == 2)
|
||||
{
|
||||
// ordinary message
|
||||
return unpack_1(a77);
|
||||
return unpack_1(a77, call1, call2, loc);
|
||||
}
|
||||
|
||||
if (i3 == 3)
|
||||
{
|
||||
// RTTY Round-Up
|
||||
return unpack_3(a77);
|
||||
return unpack_3(a77, call1, call2, loc);
|
||||
}
|
||||
|
||||
if (i3 == 4)
|
||||
{
|
||||
// call that doesn't fit in 28 bits
|
||||
return unpack_4(a77);
|
||||
return unpack_4(a77, call1, call2, loc);
|
||||
}
|
||||
|
||||
char tmp[64];
|
||||
|
||||
@ -23,7 +23,7 @@
|
||||
|
||||
namespace FT8 {
|
||||
|
||||
std::string unpack(int a91[]);
|
||||
std::string unpack(int a91[], std::string& call1str, std::string& call2str, std::string& locstr);
|
||||
|
||||
} // namespace FT8
|
||||
|
||||
|
||||
@ -41,9 +41,13 @@ int hcb(
|
||||
const char *comment,
|
||||
float snr,
|
||||
int pass,
|
||||
int correct_bits)
|
||||
int correct_bits
|
||||
)
|
||||
{
|
||||
std::string msg = FT8::unpack(a91);
|
||||
std::string call1;
|
||||
std::string call2;
|
||||
std::string loc;
|
||||
std::string msg = FT8::unpack(a91, call1, call2, loc);
|
||||
|
||||
cycle_mu.lock();
|
||||
|
||||
@ -58,14 +62,18 @@ int hcb(
|
||||
|
||||
cycle_mu.unlock();
|
||||
|
||||
printf("%d %3d %3d %5.2f %6.1f %s, %s\n",
|
||||
pass,
|
||||
(int)snr,
|
||||
correct_bits,
|
||||
off - 0.5,
|
||||
hz0,
|
||||
msg.c_str(),
|
||||
comment);
|
||||
printf("%d %3d %3d %5.2f %6.1f %s [%s:%s:%s] (%s)\n",
|
||||
pass,
|
||||
(int)snr,
|
||||
correct_bits,
|
||||
off - 0.5,
|
||||
hz0,
|
||||
msg.c_str(),
|
||||
call1.c_str(),
|
||||
call2.c_str(),
|
||||
loc.c_str(),
|
||||
comment
|
||||
);
|
||||
fflush(stdout);
|
||||
|
||||
return 2; // 2 => new decode, do subtract.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user