kopia lustrzana https://github.com/F5OEO/rpitx
clang-format of src/foxhunt/foxhunt.cpp to remove unwanted empty lines and fix indent
rodzic
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <cstring>
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#include <errno.h>
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#include <fcntl.h>
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#include <math.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <math.h>
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#include <time.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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#include <librpitx/librpitx.h>
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int FileFreqTiming;
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ngfmdmasync *fmmod;
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static double GlobalTuningFrequency=00000.0;
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int FifoSize=10000; //10ms
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double frequencyshift=20000;
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bool running=true;
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static double GlobalTuningFrequency = 00000.0;
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int FifoSize = 10000; // 10ms
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double frequencyshift = 20000;
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bool running = true;
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void playtone(double Frequency,uint32_t Timing)//Timing in 0.1us
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void playtone(double Frequency, uint32_t Timing) // Timing in 0.1us
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{
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uint32_t SumTiming=0;
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SumTiming+=Timing%100;
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if(SumTiming>=100)
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{
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Timing+=100;
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SumTiming=SumTiming-100;
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}
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int NbSamples=(Timing/100);
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uint32_t SumTiming = 0;
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SumTiming += Timing % 100;
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if (SumTiming >= 100) {
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Timing += 100;
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SumTiming = SumTiming - 100;
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}
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int NbSamples = (Timing / 100);
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while(NbSamples>0)
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{
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usleep(10);
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int Available=fmmod->GetBufferAvailable();
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if(Available>FifoSize/2)
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{
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int Index=fmmod->GetUserMemIndex();
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if(Available>NbSamples) Available=NbSamples;
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for(int j=0;j<Available;j++)
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{
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fmmod->SetFrequencySample(Index+j,Frequency);
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NbSamples--;
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}
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}
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}
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}
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static void SendTones()
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{
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double basefreq = 1100;
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double freq2 = 1100 + frequencyshift;
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while(running)
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{
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playtone( 1100 , 10000000) ;
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playtone( freq2 , 10000000) ;
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}
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}
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static void
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terminate(int num)
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{
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running=false;
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fprintf(stderr,"Caught signal - Terminating %x\n",num);
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}
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int main(int argc, char **argv)
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{
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float frequency=144.5e6;
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if (argc > 1)
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{
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frequency=atof(argv[1]);
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frequencyshift=atof(argv[2]);
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}
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else
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{
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printf("usage : foxhunt frequency(Hz) frequency shift(Hz)\n");
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exit(0);
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}
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for (int i = 0; i < 64; i++) {
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struct sigaction sa;
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std::memset(&sa, 0, sizeof(sa));
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sa.sa_handler = terminate;
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sigaction(i, &sa, NULL);
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while (NbSamples > 0) {
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usleep(10);
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int Available = fmmod->GetBufferAvailable();
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if (Available > FifoSize / 2) {
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int Index = fmmod->GetUserMemIndex();
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if (Available > NbSamples)
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Available = NbSamples;
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for (int j = 0; j < Available; j++) {
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fmmod->SetFrequencySample(Index + j, Frequency);
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NbSamples--;
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}
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}
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fmmod=new ngfmdmasync(frequency,100000,14,FifoSize);
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SendTones();
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delete fmmod;
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return 0;
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}
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}
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static void SendTones() {
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double basefreq = 1100;
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double freq2 = 1100 + frequencyshift;
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while (running) {
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playtone(1100, 10000000);
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playtone(freq2, 10000000);
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}
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}
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static void terminate(int num) {
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running = false;
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fprintf(stderr, "Caught signal - Terminating %x\n", num);
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}
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int main(int argc, char **argv) {
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float frequency = 144.5e6;
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if (argc > 1) {
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frequency = atof(argv[1]);
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frequencyshift = atof(argv[2]);
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} else {
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printf("usage : foxhunt frequency(Hz) frequency shift(Hz)\n");
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exit(0);
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}
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for (int i = 0; i < 64; i++) {
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struct sigaction sa;
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std::memset(&sa, 0, sizeof(sa));
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sa.sa_handler = terminate;
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sigaction(i, &sa, NULL);
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}
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fmmod = new ngfmdmasync(frequency, 100000, 14, FifoSize);
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SendTones();
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delete fmmod;
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return 0;
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}
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