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FT8 demod: unwanted dependencies removal and unpacking reorganization
This commit is contained in:
f4exb
parent
60debc5d83
commit
508da7da9c
@ -28,6 +28,7 @@ add_library(ft8 SHARED
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)
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target_link_libraries(ft8
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Boost::disable_autolinking
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${FFTW3F_LIBRARIES}
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Qt::Core
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sdrbase
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@ -22,7 +22,7 @@
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#ifndef FFT_H
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#define FFT_H
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#include <mutex>
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#include <QMutex>
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#include <vector>
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#include <complex>
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#include <fftw3.h>
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@ -84,8 +84,8 @@ public:
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private:
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void fft_stats();
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std::mutex plansmu;
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std::mutex plansmu2;
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QMutex plansmu;
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QMutex plansmu2;
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Plan *plans[1000];
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int nplans;
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// MEASURE=0, ESTIMATE=64, PATIENT=32
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@ -22,7 +22,7 @@
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#define ft8_h
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#include <thread>
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#include <mutex>
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#include <QMutex>
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#include "fft.h"
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#include "export.h"
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@ -281,10 +281,10 @@ public:
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int pass_;
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float down_hz_;
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std::mutex cb_mu_;
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QMutex cb_mu_;
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CallbackInterface *cb_; // call-back interface
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std::mutex hack_mu_;
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QMutex hack_mu_;
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int hack_size_;
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int hack_off_;
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int hack_len_;
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101
ft8/unpack.cpp
101
ft8/unpack.cpp
@ -19,10 +19,9 @@
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <string>
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#include <mutex>
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#include <map>
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#include <string.h>
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#include <assert.h>
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#include "unpack.h"
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#include "util.h"
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@ -32,9 +31,9 @@ namespace FT8 {
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// turn bits into a 128-bit integer.
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// most significant bit first.
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//
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__int128 un(int a77[], int start, int len)
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boost::multiprecision::int128_t Packing::un128(int a77[], int start, int len)
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{
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__int128 x = 0;
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boost::multiprecision::int128_t x = 0;
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assert(len < (int)sizeof(x) * 8 && start >= 0 && start + len <= 77);
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for (int i = 0; i < len; i++)
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@ -46,11 +45,25 @@ __int128 un(int a77[], int start, int len)
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return x;
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}
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std::mutex hashes_mu;
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std::map<int, std::string> hashes12;
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std::map<int, std::string> hashes22;
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//
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// turn bits into a 64-bit integer.
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// most significant bit first.
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//
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uint64_t Packing::un64(int a77[], int start, int len)
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{
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uint64_t x = 0;
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int ihashcall(std::string call, int m)
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assert(len < (int)sizeof(x) * 8 && start >= 0 && start + len <= 63);
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for (int i = 0; i < len; i++)
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{
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x <<= 1;
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x |= a77[start + i];
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}
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return x;
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}
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int Packing::ihashcall(std::string call, int m)
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{
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while (call.size() > 0 && call[0] == ' ')
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call.erase(0, 1);
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@ -77,14 +90,10 @@ int ihashcall(std::string call, int m)
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return x;
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}
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#define NGBASE (180 * 180)
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#define NTOKENS 2063592
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#define MAX22 4194304
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//
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// turn 28 bits of packed call into the call
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//
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std::string unpackcall(int x)
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std::string Packing::unpackcall(int x)
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{
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char tmp[64];
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@ -167,7 +176,7 @@ std::string unpackcall(int x)
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// 77-bit version, from inspection of packjt77.f90.
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// ir is the bit after the two 28+1-bit callee/caller.
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// i3 is the message type, usually 1.
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std::string unpackgrid(int ng, int ir, int i3)
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std::string Packing::unpackgrid(int ng, int ir, int i3)
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{
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(void) i3;
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@ -229,7 +238,7 @@ std::string unpackgrid(int ng, int ir, int i3)
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return tmp;
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}
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void remember_call(std::string call)
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void Packing::remember_call(std::string call)
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{
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hashes_mu.lock();
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if (call.size() >= 3 && call[0] != '<')
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@ -248,12 +257,12 @@ void remember_call(std::string call)
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// 1 bit: swap
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// 2 bits: 1 RRR, 2 RR73, 3 73
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// 1 bit: 1 means CQ
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std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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std::string Packing::unpack_4(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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{
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(void) locstr;
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// 38 possible characters:
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const char *chars = " 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ/";
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long long n58 = un(a77, 12, 58);
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long long n58 = un64(a77, 12, 58);
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char call[16];
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for (int i = 0; i < 11; i++)
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@ -266,11 +275,11 @@ std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, st
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remember_call(call);
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if (un(a77, 73, 1) == 1) {
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if (un64(a77, 73, 1) == 1) {
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return std::string("CQ ") + call;
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}
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int x12 = un(a77, 0, 12);
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int x12 = un64(a77, 0, 12);
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// 12-bit hash
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hashes_mu.lock();
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std::string ocall;
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@ -283,7 +292,7 @@ std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, st
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hashes_mu.unlock();
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int swap = un(a77, 70, 1);
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int swap = un64(a77, 70, 1);
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std::string msg;
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if (swap)
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@ -299,7 +308,7 @@ std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, st
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call2str = call;
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}
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int suffix = un(a77, 71, 2);
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int suffix = un64(a77, 71, 2);
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if (suffix == 1) {
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msg += " RRR";
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@ -315,7 +324,7 @@ std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, st
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//
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// i3=1
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//
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std::string unpack_1(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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std::string Packing::unpack_1(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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{
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// type 1:
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// 28 call1
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@ -327,19 +336,19 @@ std::string unpack_1(int a77[], std::string& call1str, std::string& call2str, st
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// 3 type
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int i = 0;
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int call1 = un(a77, i, 28);
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int call1 = un64(a77, i, 28);
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i += 28;
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int rover1 = a77[i];
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i += 1;
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int call2 = un(a77, i, 28);
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int call2 = un64(a77, i, 28);
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i += 28;
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int rover2 = a77[i];
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i += 1;
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int ir = a77[i];
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i += 1;
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int grid = un(a77, i, 15);
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int grid = un64(a77, i, 15);
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i += 15;
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int i3 = un(a77, i, 3);
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int i3 = un64(a77, i, 3);
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i += 3;
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assert((i3 == 1 || i3 == 2) && i == 77);
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@ -359,17 +368,17 @@ std::string unpack_1(int a77[], std::string& call1str, std::string& call2str, st
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// 71 bits, 13 characters, each one of 42 choices.
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// reversed.
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// details from wsjt-x's packjt77.f90
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std::string unpack_0_0(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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std::string Packing::unpack_0_0(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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{
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(void) call2str;
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(void) locstr;
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// the 42 possible characters.
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const char *cc = " 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ+-./?";
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__int128 x = un(a77, 0, 71);
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boost::multiprecision::int128_t x = un128(a77, 0, 71);
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std::string msg = "0123456789123";
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for (int i = 0; i < 13; i++)
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{
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msg[13 - 1 - i] = cc[x % 42];
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msg[13 - 1 - i] = cc[(int) (x % 42)];
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x = x / 42;
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}
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call1str = msg;
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@ -377,7 +386,7 @@ std::string unpack_0_0(int a77[], std::string& call1str, std::string& call2str,
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}
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// ARRL RTTY Round-Up states/provinces
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const char *ru_states[] = {
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const char *Packing::ru_states[] = {
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"AL", "AK", "AZ", "AR", "CA", "CO", "CT", "DE", "FL", "GA",
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"HI", "ID", "IL", "IN", "IA", "KS", "KY", "LA", "ME", "MD",
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"MA", "MI", "MN", "MS", "MO", "MT", "NE", "NV", "NH", "NJ",
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@ -394,21 +403,21 @@ const char *ru_states[] = {
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// 1 R
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// 3 RST 529 to 599
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// 13 state/province/serialnumber
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std::string unpack_3(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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std::string Packing::unpack_3(int a77[], std::string& call1str, std::string& call2str, std::string& locstr)
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{
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(void) locstr;
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int i = 0;
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int tu = a77[i];
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i += 1;
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int call1 = un(a77, i, 28);
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int call1 = un64(a77, i, 28);
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i += 28;
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int call2 = un(a77, i, 28);
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int call2 = un64(a77, i, 28);
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i += 28;
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int r = a77[i];
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i += 1;
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int rst = un(a77, i, 3);
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int rst = un64(a77, i, 3);
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i += 3;
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int serial = un(a77, i, 13);
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int serial = un64(a77, i, 13);
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i += 13;
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call1str = trim(unpackcall(call1));
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@ -455,7 +464,7 @@ std::string unpack_3(int a77[], std::string& call1str, std::string& call2str, st
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}
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// ARRL Field Day sections
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const char *sections[] = {
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const char *Packing::sections[] = {
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"AB ", "AK ", "AL ", "AR ", "AZ ", "BC ", "CO ", "CT ", "DE ", "EB ",
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"EMA", "ENY", "EPA", "EWA", "GA ", "GTA", "IA ", "ID ", "IL ", "IN ",
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"KS ", "KY ", "LA ", "LAX", "MAR", "MB ", "MDC", "ME ", "MI ", "MN ",
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@ -469,26 +478,26 @@ const char *sections[] = {
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// i3 = 0, n3 = 3 or 4: ARRL Field Day
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// 0.3 WA9XYZ KA1ABC R 16A EMA 28 28 1 4 3 7 71 ARRL Field Day
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// 0.4 WA9XYZ KA1ABC R 32A EMA 28 28 1 4 3 7 71 ARRL Field Day
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std::string unpack_0_3(int a77[], int n3, std::string& call1str, std::string& call2str, std::string& locstr)
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std::string Packing::unpack_0_3(int a77[], int n3, std::string& call1str, std::string& call2str, std::string& locstr)
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{
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(void) locstr;
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int i = 0;
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int call1 = un(a77, i, 28);
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int call1 = un64(a77, i, 28);
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i += 28;
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int call2 = un(a77, i, 28);
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int call2 = un64(a77, i, 28);
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i += 28;
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int R = un(a77, i, 1);
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int R = un64(a77, i, 1);
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i += 1;
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int n_transmitters = un(a77, i, 4);
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int n_transmitters = un64(a77, i, 4);
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if (n3 == 4) {
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n_transmitters += 16;
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}
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i += 4;
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int clss = un(a77, i, 3); // class
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int clss = un64(a77, i, 3); // class
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i += 3;
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int section = un(a77, i, 7); // ARRL section
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int section = un64(a77, i, 7); // ARRL section
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i += 7;
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std::string msg;
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@ -522,10 +531,10 @@ std::string unpack_0_3(int a77[], int n3, std::string& call1str, std::string& ca
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// CRC and LDPC have already been checked.
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// details from wsjt-x's packjt77.f90 and 77bit.txt.
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//
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std::string unpack(int a77[], std::string& call1, std::string& call2, std::string& loc)
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std::string Packing::unpack(int a77[], std::string& call1, std::string& call2, std::string& loc)
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{
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int i3 = un(a77, 74, 3);
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int n3 = un(a77, 71, 3);
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int i3 = un64(a77, 74, 3);
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int n3 = un64(a77, 71, 3);
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if (i3 == 0 && n3 == 0)
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{
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34
ft8/unpack.h
34
ft8/unpack.h
@ -22,10 +22,42 @@
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#define unpack_h
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#include <string>
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#include <map>
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#include <boost/multiprecision/cpp_int.hpp>
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#include <QMutex>
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namespace FT8 {
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std::string unpack(int a91[], std::string& call1str, std::string& call2str, std::string& locstr);
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class Packing
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{
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public:
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std::string unpack(int a91[], std::string& call1str, std::string& call2str, std::string& locstr);
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private:
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boost::multiprecision::int128_t un128(int a77[], int start, int len);
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uint64_t un64(int a77[], int start, int len);
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int ihashcall(std::string call, int m);
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std::string unpackcall(int x);
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std::string unpackgrid(int ng, int ir, int i3);
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void remember_call(std::string call);
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std::string unpack_4(int a77[], std::string& call1str, std::string& call2str, std::string& locstr);
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std::string unpack_1(int a77[], std::string& call1str, std::string& call2str, std::string& locstr);
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std::string unpack_0_0(int a77[], std::string& call1str, std::string& call2str, std::string& locstr);
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std::string unpack_3(int a77[], std::string& call1str, std::string& call2str, std::string& locstr);
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std::string unpack_0_3(int a77[], int n3, std::string& call1str, std::string& call2str, std::string& locstr);
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QMutex hashes_mu;
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std::map<int, std::string> hashes12;
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std::map<int, std::string> hashes22;
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static const int NGBASE = (180 * 180);
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static const int NTOKENS = 2063592;
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static const int MAX22 = 4194304;
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static const char *ru_states[];
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static const char *sections[];
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};
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} // namespace FT8
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@ -18,12 +18,12 @@
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <sys/time.h>
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#include <assert.h>
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#include <math.h>
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#include <complex>
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#include <string>
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#include <algorithm>
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#include "util/timeutil.h"
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#include "util.h"
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@ -32,9 +32,6 @@ namespace FT8 {
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double now()
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{
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return TimeUtil::nowus() / 1000000.0;
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// struct timeval tv;
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// gettimeofday(&tv, 0);
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// return tv.tv_sec + tv.tv_usec / 1000000.0;
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}
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//
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@ -15,6 +15,9 @@
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef SDRBASE_UTIL_TIMEUTIL_H_
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#define SDRBASE_UTIL_TIMEUTIL_H_
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#include <chrono>
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#include <stdint.h>
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@ -26,3 +29,5 @@ public:
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static uint64_t nowms(); //!< returns the current epoch in milliseconds
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static uint64_t nowus(); //!< returns the current epoch in microseconds
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};
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#endif // SDRBASE_UTIL_TIMEUTIL_H_
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@ -53,6 +53,7 @@ public:
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private:
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QMutex cycle_mu;
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std::map<std::string, bool> cycle_already;
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FT8::Packing packing;
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};
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@ -69,7 +70,7 @@ int TestFT8Callback::hcb(
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std::string call1;
|
||||
std::string call2;
|
||||
std::string loc;
|
||||
std::string msg = FT8::unpack(a91, call1, call2, loc);
|
||||
std::string msg = packing.unpack(a91, call1, call2, loc);
|
||||
|
||||
cycle_mu.lock();
|
||||
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user