mirror of
https://github.com/jfdelnero/rf-tools.git
synced 2024-11-21 11:21:47 -05:00
improvements and fixes.
DFS event emulation.
This commit is contained in:
Jean-François DEL NERO
parent
e2cf1239b1
commit
94926167c2
@ -50,7 +50,6 @@
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} while (0)
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#define IQ_SAMPLE_RATE (10000000UL)
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#define SUBCARRIERS_SAMPLE_RATE (10000000UL)
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#define IF_FREQ 0
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@ -121,51 +120,64 @@ void printhelp(char* argv[])
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{
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printf("Options:\n");
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printf(" -stdout\t\t\t: IQ stream send to stdout\n");
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printf(" -freq_bw:[Hz] \t\t: bandwith (Hz)\n");
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printf(" -iq_rate\t\t\t: IQ rate (default : 10000000)\n");
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printf(" -freq_bw:[Hz]\t\t\t: bandwith (Hz)\n");
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printf(" -ping_pong_freq:[centi Hz]\t: ping pong freq (per step of 0.01 Hz)\n");
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printf(" -jam_mode:[Mode id]\t\t: Mode. 0=ping pong, 1=random, 3=full iq random\n");
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printf(" -jam_interval:[ms]\t\t: Interval (ms)\n");
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printf(" -jam_duration:[ms]\t\t: pulses duration (ms)\n");
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printf(" -jam_mode:[Mode id]\t\t: Mode. 0=ping pong, 1=random, 2=fixed frequency, 3=full iq random\n");
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printf(" -jam_interval:[uS]\t\t: Interval (uS)\n");
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printf(" -jam_duration:[uS]\t\t: pulses duration (uS)\n");
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printf(" -jam_long_interval:[uS]\t\t: pulses long interval (uS)\n");
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printf(" -jam_group_pulses:[cnt]\t\t: pulses group count\n");
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printf(" -rand_interval\t\t: random interval mode\n");
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printf(" -rand_duration\t\t: random duration mode\n");
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printf(" -generate\t\t\t: Generate the IQ stream\n");
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printf(" -help\t\t\t\t: This help\n");
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printf("\n Examples :\n");
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printf(" ./rf_jammer -generate -stdout -iq_rate:10000000 -freq_bw:50000 -jam_mode:1 -jam_interval:625 -jam_duration:10 | hackrf_transfer -f 5500000000 -t - -x 47 -a 1 -s 10000000\n");
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printf(" ./rf_jammer -generate -stdout -iq_rate:2000000 -jam_mode:2 -jam_interval:613 -jam_duration:12 -jam_long_interval:250000 -jam_group_pulses:15 | hackrf_transfer -f 5500000000 -t - -x 47 -a 1 -s 2000000\n");
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printf("\n");
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}
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#define BUFFER_SAMPLES_SIZE (2048*8)
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int us2ticks(int samplerate, int us)
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{
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return (us * (samplerate / 1000000));
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}
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int main(int argc, char* argv[])
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{
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char temp_str[512];
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wave_io * wave1,*wave2;
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uint16_t iq_wavebuf[ BUFFER_SAMPLES_SIZE * (IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE)];
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uint16_t iq_wavebuf[ BUFFER_SAMPLES_SIZE ];
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int16_t wavebuf_dbg[BUFFER_SAMPLES_SIZE];
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double wavebuf_dbg2[BUFFER_SAMPLES_SIZE];
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unsigned int i,j,k;
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unsigned int i,j;
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int freq_bw;
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int pulses_cnt;
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int ping_pong_freq;
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int jam_mode;
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int pulses_interval, pulses_interval_cnt;
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int pulses_long_interval,pulses_short_interval;
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int pulses_duration, pulses_duration_cnt;
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int pulses_group_nb;
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int rand_interval,rand_duration;
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double audio_sample_final;
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double ping_pong_sample;
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double fm_mod;
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double old_freq,interpolation_step;
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uint32_t randdword;
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rand_gen_state randgen;
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iq_wave_gen iqgen;
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wave_gen audio_l_gen;
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wave_gen ping_pong_gen;
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verbose=0;
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stdoutmode = 0;
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@ -178,6 +190,7 @@ int main(int argc, char* argv[])
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pulses_interval_cnt = 0;
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rand_interval = 0;
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rand_duration = 0;
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pulses_cnt = 0;
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if(isOption(argc,argv,"stdout",NULL)>0)
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{
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@ -186,7 +199,7 @@ int main(int argc, char* argv[])
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if(!stdoutmode)
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{
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printf("rf_jammer v0.0.0.1\n");
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printf("rf_jammer v0.0.0.2\n");
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printf("Copyright (C) 2022 Jean-Francois DEL NERO\n");
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printf("This program comes with ABSOLUTELY NO WARRANTY\n");
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printf("This is free software, and you are welcome to redistribute it\n");
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@ -207,6 +220,8 @@ int main(int argc, char* argv[])
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}
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pulses_interval = 0;
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pulses_short_interval = 0;
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pulses_long_interval = 0;
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pulses_duration = 2000000;
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if(isOption(argc,argv,"freq_bw",(char*)&temp_str)>0)
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@ -224,14 +239,32 @@ int main(int argc, char* argv[])
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jam_mode = atoi(temp_str) ;
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}
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iqgen.sample_rate = IQ_SAMPLE_RATE;
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if(isOption(argc,argv,"iq_rate",(char*)&temp_str)>0)
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{
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iqgen.sample_rate = atoi(temp_str);
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}
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if(isOption(argc,argv,"jam_interval",(char*)&temp_str)>0)
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{
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pulses_interval = atoi(temp_str) * (IQ_SAMPLE_RATE / 1000);
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pulses_interval = us2ticks(iqgen.sample_rate, atoi(temp_str));
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pulses_short_interval = pulses_interval;
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}
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if(isOption(argc,argv,"jam_duration",(char*)&temp_str)>0)
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{
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pulses_duration = atoi(temp_str) * (IQ_SAMPLE_RATE / 1000);
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pulses_duration = us2ticks(iqgen.sample_rate, atoi(temp_str));
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}
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if(isOption(argc,argv,"jam_long_interval",(char*)&temp_str)>0)
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{
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pulses_long_interval = us2ticks(iqgen.sample_rate, atoi(temp_str));
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}
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pulses_group_nb = 0;
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if(isOption(argc,argv,"jam_group_pulses",(char*)&temp_str)>0)
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{
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pulses_group_nb = atoi(temp_str);
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}
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if(isOption(argc,argv,"rand_interval",NULL)>0)
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@ -246,21 +279,22 @@ int main(int argc, char* argv[])
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if(isOption(argc,argv,"generate",0)>0)
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{
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memset(iq_wavebuf, 0, BUFFER_SAMPLES_SIZE * sizeof(uint16_t) );
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rand_gen_init(&randgen, 0xC279DCEF );
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// Init oscillators
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// Left and Right audio freq (used if no .mod music file)
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audio_l_gen.phase = 0;
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audio_l_gen.Frequency = ((double)ping_pong_freq) / 100.0;
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audio_l_gen.Amplitude = 100;
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audio_l_gen.sample_rate = SUBCARRIERS_SAMPLE_RATE;
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// ping pong freq
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ping_pong_gen.phase = 0;
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ping_pong_gen.Frequency = ((double)ping_pong_freq) / 100.0;
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ping_pong_gen.Amplitude = 100;
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ping_pong_gen.sample_rate = iqgen.sample_rate;
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// IQ Modulator
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iqgen.phase = 0;
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iqgen.Frequency = IF_FREQ;
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iqgen.Amplitude = 127;
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iqgen.sample_rate = IQ_SAMPLE_RATE;
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if(stdoutmode)
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{
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@ -272,96 +306,99 @@ int main(int argc, char* argv[])
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{
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// file mode : create iq + wav files
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wave1 = create_wave("test.iq",iqgen.sample_rate,WAVE_FILE_FORMAT_RAW_8BITS_IQ);
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wave2 = create_wave("test.wav",SUBCARRIERS_SAMPLE_RATE,WAVE_FILE_FORMAT_WAV_16BITS_MONO);
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wave2 = create_wave("test.wav",iqgen.sample_rate,WAVE_FILE_FORMAT_WAV_16BITS_MONO);
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}
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if(wave1)
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{
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old_freq = IF_FREQ;
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// Main loop...
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for(i=0;(i<8) || stdoutmode ;i++)
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{
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switch( jam_mode )
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{
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case 0: // freq ping pong
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for(j=0;j<BUFFER_SAMPLES_SIZE;j++)
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{
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audio_sample_final = f_get_next_sample(&audio_l_gen);
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fm_mod = ((audio_sample_final / (double)(100.0)) * (double)(freq_bw));
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wavebuf_dbg[j] = fm_mod;
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wavebuf_dbg2[j] = fm_mod;
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}
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break;
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case 1: // rand frequency
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for(j=0;j<BUFFER_SAMPLES_SIZE;j++)
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{
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randdword = rand_gen_get_next_word(&randgen);
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fm_mod = (((double)(randdword & 0x7FFFFFFF) / (double)(0x7FFFFFFF)) * (double)(freq_bw));
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if(randdword & 0x80000000)
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fm_mod = -fm_mod;
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wavebuf_dbg[j] = fm_mod;
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wavebuf_dbg2[j] = fm_mod;
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}
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break;
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default:
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break;
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}
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if(jam_mode != 3)
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{
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// Sub carriers sample rate to carrier IQ rate modulation + resampling
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for(j=0;j<BUFFER_SAMPLES_SIZE;j++)
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{
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// linear interpolation TODO ?: Cubic interpolation
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interpolation_step = (wavebuf_dbg2[j] - old_freq) / (double)(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE);
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for(k=0;k<(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE);k++)
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switch( jam_mode )
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{
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old_freq += interpolation_step;
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case 0: // freq ping pong
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ping_pong_sample = f_get_next_sample(&ping_pong_gen);
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iqgen.Frequency = ((double)IF_FREQ + old_freq);
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fm_mod = ((ping_pong_sample / (double)(100.0)) * (double)(freq_bw));
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if( pulses_interval_cnt < pulses_interval )
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wavebuf_dbg[j] = fm_mod;
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wavebuf_dbg2[j] = fm_mod;
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break;
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case 1: // rand frequency
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randdword = rand_gen_get_next_word(&randgen);
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fm_mod = (((double)(randdword & 0x7FFFFFFF) / (double)(0x7FFFFFFF)) * (double)(freq_bw));
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if(randdword & 0x80000000)
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fm_mod = -fm_mod;
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wavebuf_dbg[j] = fm_mod;
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wavebuf_dbg2[j] = fm_mod;
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break;
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case 2: // pulse mode / fixed frequency
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fm_mod = 0;
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wavebuf_dbg[j] = fm_mod;
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wavebuf_dbg2[j] = fm_mod;
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break;
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default:
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break;
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}
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iqgen.Frequency = ((double)IF_FREQ + wavebuf_dbg2[j]);
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if( pulses_interval_cnt < pulses_interval )
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{
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pulses_interval_cnt++;
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iq_wavebuf[j] = 0x0000;
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}
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else
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{
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iq_wavebuf[j] = get_next_iq(&iqgen);//iq_sample;
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if(pulses_duration_cnt < pulses_duration)
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{
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pulses_interval_cnt++;
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iq_wavebuf[(j*(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE))+k] = 0x0000;
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pulses_duration_cnt++;
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}
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else
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{
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iq_wavebuf[(j*(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE))+k] = get_next_iq(&iqgen);//iq_sample;
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pulses_duration_cnt = 0;
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pulses_interval_cnt = 0;
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pulses_cnt++;
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if(pulses_duration_cnt < pulses_duration)
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if(pulses_group_nb)
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{
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pulses_duration_cnt++;
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if(pulses_cnt >= pulses_group_nb)
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{
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pulses_interval = pulses_long_interval;
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pulses_cnt = 0;
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}
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else
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{
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pulses_interval = pulses_short_interval;
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}
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}
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else
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{
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pulses_duration_cnt = 0;
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pulses_interval_cnt = 0;
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if(rand_interval)
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pulses_interval = (rand_gen_get_next_word(&randgen) & 0x7F) * (IQ_SAMPLE_RATE / 1000);
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if(rand_duration)
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pulses_duration = (rand_gen_get_next_word(&randgen) & 0x7F) * (IQ_SAMPLE_RATE / 1000);
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pulses_interval = pulses_short_interval;
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}
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if(rand_interval)
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pulses_interval = (rand_gen_get_next_word(&randgen) & 0x7F) * (iqgen.sample_rate / 1000000);
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if(rand_duration)
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pulses_duration = (rand_gen_get_next_word(&randgen) & 0x7F) * (iqgen.sample_rate / 1000000);
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}
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iq_wavebuf[(j*(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE))+k] = get_next_iq(&iqgen);//iq_sample;
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}
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old_freq = wavebuf_dbg2[j];
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}
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}
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else
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{
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for(j=0;j<BUFFER_SAMPLES_SIZE * (IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE);j++)
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for(j=0;j<BUFFER_SAMPLES_SIZE;j++)
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{
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randdword = rand_gen_get_next_word(&randgen);
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@ -382,19 +419,37 @@ int main(int argc, char* argv[])
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{
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pulses_duration_cnt = 0;
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pulses_interval_cnt = 0;
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pulses_cnt++;
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if(pulses_group_nb)
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{
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if(pulses_cnt >= pulses_group_nb)
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{
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pulses_interval = pulses_long_interval;
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pulses_cnt = 0;
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}
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else
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{
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pulses_interval = pulses_short_interval;
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}
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}
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else
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{
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pulses_interval = pulses_short_interval;
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}
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if(rand_interval)
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pulses_interval = (rand_gen_get_next_word(&randgen) & 0x7F) * (IQ_SAMPLE_RATE / 1000);
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pulses_interval = (rand_gen_get_next_word(&randgen) & 0x7F) * (iqgen.sample_rate / 1000000);
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if(rand_duration)
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pulses_duration = (rand_gen_get_next_word(&randgen) & 0x7F) * (IQ_SAMPLE_RATE / 1000);
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pulses_duration = (rand_gen_get_next_word(&randgen) & 0x7F) * (iqgen.sample_rate / 1000000);
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}
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}
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}
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}
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write_wave(wave1, &iq_wavebuf,BUFFER_SAMPLES_SIZE*(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE));
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write_wave(wave1, &iq_wavebuf,BUFFER_SAMPLES_SIZE);
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write_wave(wave2, &wavebuf_dbg,BUFFER_SAMPLES_SIZE);
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}
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close_wave(wave1);
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