rf jammer tool.
This commit is contained in:
Jean-François DEL NERO
parent
ff13d3d307
commit
f92259ff5d
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@ -24,16 +24,25 @@ endif
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ifeq ($(findstring CYGWIN,$(shell uname)),CYGWIN)
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endif
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EXEC=broadcast_fm
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EXEC=broadcast_fm rf_jammer
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all: $(EXEC)
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broadcast_fm: broadcast_fm.o wave.o modulator.o FIR_Audio_Filter_Filter.o FM_Baseband_Filter.o AudioPreemphasis_Filter.o hxcmod.o rand_gen.o
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broadcast_fm: broadcast_fm.o rds.o wave.o modulator.o FIR_Audio_Filter_Filter.o FM_Baseband_Filter.o AudioPreemphasis_Filter.o hxcmod.o rand_gen.o
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$(CC) -o $@ $^ $(LDFLAGS)
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rf_jammer: rf_jammer.o wave.o modulator.o rand_gen.o
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$(CC) -o $@ $^ $(LDFLAGS)
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broadcast_fm.o: ../src/broadcast_fm/broadcast_fm.c
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$(CC) -o $@ -c $< $(CFLAGS)
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rf_jammer.o: ../src/rf_jammer/rf_jammer.c
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$(CC) -o $@ -c $< $(CFLAGS)
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rds.o: ../src/broadcast_fm/rds.c
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$(CC) -o $@ -c $< $(CFLAGS)
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utils.o: ../src/common/utils.c
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$(CC) -o $@ -c $< $(CFLAGS)
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@ -0,0 +1,415 @@
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///////////////////////////////////////////////////////////////////////////////////
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//-------------------------------------------------------------------------------//
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//-------------------------------------------------------------------------------//
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//-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------//
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//----------H----H----X-X-----C--------------2---0----0---0----0--1--1-----------//
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//---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------//
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//--------H----H----X--X----C----------2-------0----0---0----0-----1-------------//
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//-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------//
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//-------------------------------------------------------------------------------//
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//----------------------------------------------------- http://hxc2001.free.fr --//
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///////////////////////////////////////////////////////////////////////////////////
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// File : rf_jammer.c
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// Contains: rf jammer tool
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//
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// This file is part of rf-tools.
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//
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// Written by: Jean-François DEL NERO
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//
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// Copyright (C) 2022 Jean-François DEL NERO
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//
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// You are free to do what you want with this code.
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// A credit is always appreciated if you use it into your product :)
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//
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// Change History (most recent first):
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///////////////////////////////////////////////////////////////////////////////////
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.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 <time.h>
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#include <stdint.h>
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#include "wave.h"
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#include "modulator.h"
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#include "utils.h"
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#include "rand_gen.h"
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#define printf(fmt...) do { \
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if(!stdoutmode) \
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fprintf(stdout, fmt); \
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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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int verbose;
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int stdoutmode;
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int isOption(int argc, char* argv[],char * paramtosearch,char * argtoparam)
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{
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int param=1;
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int i,j;
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char option[512];
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memset(option,0,512);
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while(param<=argc)
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{
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if(argv[param])
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{
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if(argv[param][0]=='-')
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{
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memset(option,0,512);
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j=0;
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i=1;
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while( argv[param][i] && argv[param][i]!=':')
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{
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option[j]=argv[param][i];
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i++;
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j++;
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}
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if( !strcmp(option,paramtosearch) )
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{
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if(argtoparam)
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{
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if(argv[param][i]==':')
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{
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i++;
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j=0;
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while( argv[param][i] )
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{
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argtoparam[j]=argv[param][i];
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i++;
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j++;
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}
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argtoparam[j]=0;
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return 1;
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}
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else
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{
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return -1;
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}
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}
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else
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{
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return 1;
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}
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}
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}
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}
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param++;
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}
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return 0;
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}
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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(" -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(" -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");
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}
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#define BUFFER_SAMPLES_SIZE (2048*8)
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#define PI 3.1415926535897932384626433832795
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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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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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int freq_bw;
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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_duration, pulses_duration_cnt;
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int rand_interval,rand_duration;
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double audio_sample_final;
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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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verbose=0;
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stdoutmode = 0;
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jam_mode = 0;
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freq_bw = 200000;
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ping_pong_freq = 1000; // 10.00 Hz
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pulses_duration_cnt = 0;
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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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if(isOption(argc,argv,"stdout",NULL)>0)
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{
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stdoutmode = 1;
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}
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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("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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printf("under certain conditions;\n\n");
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}
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// Verbose option...
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if(isOption(argc,argv,"verbose",0)>0)
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{
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printf("verbose mode\n");
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verbose=1;
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}
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// help option...
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if(isOption(argc,argv,"help",0)>0)
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{
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printhelp(argv);
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}
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pulses_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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{
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freq_bw = atoi(temp_str);
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}
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if(isOption(argc,argv,"ping_pong_freq",(char*)&temp_str)>0)
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{
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ping_pong_freq = atoi(temp_str);
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}
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if(isOption(argc,argv,"jam_mode",(char*)&temp_str)>0)
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{
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jam_mode = 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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}
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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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}
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if(isOption(argc,argv,"rand_interval",NULL)>0)
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{
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rand_interval = 1;
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}
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if(isOption(argc,argv,"rand_duration",NULL)>0)
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{
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rand_duration = 1;
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}
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if(isOption(argc,argv,"generate",0)>0)
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{
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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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s
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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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// stdout / stream mode : IQ are outputed to the stdout -> use a pipe to hackrf_transfer
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wave1 = create_wave(NULL,iqgen.sample_rate,WAVE_FILE_FORMAT_RAW_8BITS_IQ);
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wave2 = NULL;
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}
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else
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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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}
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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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{
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old_freq += interpolation_step;
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iqgen.Frequency = ((double)IF_FREQ + old_freq);
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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*(IQ_SAMPLE_RATE/SUBCARRIERS_SAMPLE_RATE))+k] = 0x0000;
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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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if(pulses_duration_cnt < pulses_duration)
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{
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pulses_duration_cnt++;
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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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}
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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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{
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randdword = rand_gen_get_next_word(&randgen);
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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] = (randdword ^ (randdword>>16));
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if(pulses_duration_cnt < pulses_duration)
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{
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pulses_duration_cnt++;
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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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}
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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(wave2, &wavebuf_dbg,BUFFER_SAMPLES_SIZE);
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}
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close_wave(wave1);
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close_wave(wave2);
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}
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}
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if( (isOption(argc,argv,"help",0)<=0) &&
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(isOption(argc,argv,"generate",0)<=0)
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)
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{
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printhelp(argv);
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}
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return 0;
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}
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