Exemple #1
1
int main(int argc, char** argv) {
	int opt;
	char path_file[PATH_FILE_MAX_LEN];
	char date_time[DATE_TIME_MAX_LEN];
	const char* rxpath = NULL;
	const char* txpath = NULL;
	int result;
	time_t rawtime;
	struct tm * timeinfo;
	long int file_pos;
	int exit_code = EXIT_SUCCESS;
	struct timeval t_end;
	float time_diff;
	unsigned int lna_gain=8, vga_gain=20, txvga_gain=0;
	int udpport = 8192;
  
	while( (opt = getopt(argc, argv, "wr:t:f:i:o:m:a:p:s:n:b:l:g:x:c:u:")) != EOF )
	{
		result = HACKRF_SUCCESS;
		switch( opt ) 
		{
		case 'w':
			receive_wav = true;
			break;
		
		case 'r':
			receive = true;
			rxpath = optarg;
			break;
		
		case 't':
			transmit = true;
			txpath = optarg;
			break;

		case 'f':
			automatic_tuning = true;
			result = parse_u64(optarg, &freq_hz);
			break;

		case 'i':
			if_freq = true;
			result = parse_u64(optarg, &if_freq_hz);
			break;

		case 'o':
			lo_freq = true;
			result = parse_u64(optarg, &lo_freq_hz);
			break;

		case 'm':
			image_reject = true;
			result = parse_u32(optarg, &image_reject_selection);
			break;

		case 'a':
			amp = true;
			result = parse_u32(optarg, &amp_enable);
			break;

		case 'p':
			antenna = true;
			result = parse_u32(optarg, &antenna_enable);
			break;

		case 'l':
			result = parse_u32(optarg, &lna_gain);
			break;

		case 'g':
			result = parse_u32(optarg, &vga_gain);
			break;

		case 'x':
			result = parse_u32(optarg, &txvga_gain);
			break;

		case 's':
			sample_rate = true;
			result = parse_u32(optarg, &sample_rate_hz);
			break;

		case 'n':
			limit_num_samples = true;
			result = parse_u64(optarg, &samples_to_xfer);
			bytes_to_xfer = samples_to_xfer * 2ull;
			break;

		case 'b':
			baseband_filter_bw = true;
			result = parse_u32(optarg, &baseband_filter_bw_hz);
			break;

		case 'c':
			transmit = true;
			signalsource = true;
			result = parse_u32(optarg, &amplitude);
			break;

		case 'u':
			udpport = atoi(optarg);
			break;

		default:
			printf("unknown argument '-%c %s'\n", opt, optarg);
			usage();
			return EXIT_FAILURE;
		}
		
		if( result != HACKRF_SUCCESS ) {
			printf("argument error: '-%c %s' %s (%d)\n", opt, optarg, hackrf_error_name(result), result);
			return EXIT_FAILURE;
		}		
	}

	if (samples_to_xfer >= SAMPLES_TO_XFER_MAX) {
		printf("argument error: num_samples must be less than %s/%sMio\n",
			u64toa(SAMPLES_TO_XFER_MAX,&ascii_u64_data1),
			u64toa((SAMPLES_TO_XFER_MAX/FREQ_ONE_MHZ),&ascii_u64_data2));
		return EXIT_FAILURE;
	}

	if (if_freq || lo_freq || image_reject) {
		/* explicit tuning selected */
		if (!if_freq) {
			printf("argument error: if_freq_hz must be specified for explicit tuning.\n");
			return EXIT_FAILURE;
		}
		if (!image_reject) {
			printf("argument error: image_reject must be specified for explicit tuning.\n");
			return EXIT_FAILURE;
		}
		if (!lo_freq && (image_reject_selection != RF_PATH_FILTER_BYPASS)) {
			printf("argument error: lo_freq_hz must be specified for explicit tuning unless image_reject is set to bypass.\n");
			return EXIT_FAILURE;
		}
		if ((if_freq_hz > IF_MAX_HZ) || (if_freq_hz < IF_MIN_HZ)) {
			printf("argument error: if_freq_hz shall be between %s and %s.\n",
				u64toa(IF_MIN_HZ,&ascii_u64_data1),
				u64toa(IF_MAX_HZ,&ascii_u64_data2));
			return EXIT_FAILURE;
		}
		if ((lo_freq_hz > LO_MAX_HZ) || (lo_freq_hz < LO_MIN_HZ)) {
			printf("argument error: lo_freq_hz shall be between %s and %s.\n",
				u64toa(LO_MIN_HZ,&ascii_u64_data1),
				u64toa(LO_MAX_HZ,&ascii_u64_data2));
			return EXIT_FAILURE;
		}
		if (image_reject_selection > 2) {
			printf("argument error: image_reject must be 0, 1, or 2 .\n");
			return EXIT_FAILURE;
		}
		if (automatic_tuning) {
			printf("warning: freq_hz ignored by explicit tuning selection.\n");
			automatic_tuning = false;
		}
		switch (image_reject_selection) {
		case RF_PATH_FILTER_BYPASS:
			freq_hz = if_freq_hz;
			break;
		case RF_PATH_FILTER_LOW_PASS:
			freq_hz = abs(if_freq_hz - lo_freq_hz);
			break;
		case RF_PATH_FILTER_HIGH_PASS:
			freq_hz = if_freq_hz + lo_freq_hz;
			break;
		default:
			freq_hz = DEFAULT_FREQ_HZ;
			break;
		}
		printf("explicit tuning specified for %s Hz.\n",
			u64toa(freq_hz,&ascii_u64_data1));

	} else if (automatic_tuning) {
		if( (freq_hz > FREQ_MAX_HZ) || (freq_hz < FREQ_MIN_HZ) )
		{
			printf("argument error: freq_hz shall be between %s and %s.\n",
				u64toa(FREQ_MIN_HZ,&ascii_u64_data1),
				u64toa(FREQ_MAX_HZ,&ascii_u64_data2));
			return EXIT_FAILURE;
		}
	} else {
		/* Use default freq */
		freq_hz = DEFAULT_FREQ_HZ;
		automatic_tuning = true;
	}

	if( amp ) {
		if( amp_enable > 1 )
		{
			printf("argument error: amp_enable shall be 0 or 1.\n");
			return EXIT_FAILURE;
		}
	}

	if (antenna) {
		if (antenna_enable > 1) {
			printf("argument error: antenna_enable shall be 0 or 1.\n");
			return EXIT_FAILURE;
		}
	}

	if( sample_rate == false ) 
	{
		sample_rate_hz = DEFAULT_SAMPLE_RATE_HZ;
	}

	if( baseband_filter_bw )
	{
		/* Compute nearest freq for bw filter */
		baseband_filter_bw_hz = hackrf_compute_baseband_filter_bw(baseband_filter_bw_hz);
	}else
	{
		/* Compute default value depending on sample rate */
		baseband_filter_bw_hz = hackrf_compute_baseband_filter_bw_round_down_lt(sample_rate_hz);
	}

	if (baseband_filter_bw_hz > BASEBAND_FILTER_BW_MAX) {
		printf("argument error: baseband_filter_bw_hz must be less or equal to %u Hz/%.03f MHz\n",
				BASEBAND_FILTER_BW_MAX, (float)(BASEBAND_FILTER_BW_MAX/FREQ_ONE_MHZ));
		return EXIT_FAILURE;
	}

	if (baseband_filter_bw_hz < BASEBAND_FILTER_BW_MIN) {
		printf("argument error: baseband_filter_bw_hz must be greater or equal to %u Hz/%.03f MHz\n",
				BASEBAND_FILTER_BW_MIN, (float)(BASEBAND_FILTER_BW_MIN/FREQ_ONE_MHZ));
		return EXIT_FAILURE;
	}

	if( receive ) {
		transceiver_mode = TRANSCEIVER_MODE_RX;
	} else if( transmit ) {
		transceiver_mode = TRANSCEIVER_MODE_TX;
	}

	if (signalsource) {
		transceiver_mode = TRANSCEIVER_MODE_SS;
		if (amplitude >127) {
			printf("argument error: amplitude shall be in between 0 and 128.\n");
			return EXIT_FAILURE;
		}
	}

	if( receive_wav )
	{
		time (&rawtime);
		timeinfo = localtime (&rawtime);
		transceiver_mode = TRANSCEIVER_MODE_RX;
		/* File format HackRF Year(2013), Month(11), Day(28), Hour Min Sec+Z, Freq kHz, IQ.wav */
		strftime(date_time, DATE_TIME_MAX_LEN, "%Y%m%d_%H%M%S", timeinfo);
		snprintf(path_file, PATH_FILE_MAX_LEN, "HackRF_%sZ_%ukHz_IQ.wav", date_time, (uint32_t)(freq_hz/(1000ull)) );
		rxpath = path_file;
		printf("Receive wav file: %s\n", rxpath);
	}	

	// In signal source mode, the PATH argument is neglected.
	if (transceiver_mode != TRANSCEIVER_MODE_SS) {
		if( rxpath == NULL && txpath == NULL) {
			printf("specify a path to a file to transmit/receive\n");
			return EXIT_FAILURE;
		}
	}

	result = hackrf_init();
	if( result != HACKRF_SUCCESS ) {
		printf("hackrf_init() failed: %s (%d)\n", hackrf_error_name(result), result);
		return EXIT_FAILURE;
	}
	
	result = hackrf_open(&device);
	if( result != HACKRF_SUCCESS ) {
		printf("hackrf_open() failed: %s (%d)\n", hackrf_error_name(result), result);
		return EXIT_FAILURE;
	}
	
	if (transceiver_mode != TRANSCEIVER_MODE_SS) {
		if( rxpath != NULL )
		{
			rxfd = fopen(rxpath, "wb");
			if( rxfd == NULL ) {
				printf("Failed to open file: %s\n", rxpath);
				return EXIT_FAILURE;
			}
			/* Change fd buffer to have bigger one to store or read data on/to HDD */
			setvbuf(rxfd , NULL , _IOFBF , FD_BUFFER_SIZE);
		}
		if( txpath != NULL )
		{
			txfd = fopen(txpath, "rb");
			if( txfd == NULL ) {
				printf("Failed to open file: %s\n", txpath);
				return EXIT_FAILURE;
			}
			/* Change fd buffer to have bigger one to store or read data on/to HDD */
			setvbuf(txfd , NULL , _IOFBF , FD_BUFFER_SIZE);
		}
	}

	/* Write Wav header */
	if( receive_wav ) 
	{
		fwrite(&wave_file_hdr, 1, sizeof(t_wav_file_hdr), rxfd);
	}
	
#ifdef _MSC_VER
	SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE );
#else
	signal(SIGINT, &sigint_callback_handler);
	//signal(SIGILL, &sigint_callback_handler);
	//signal(SIGFPE, &sigint_callback_handler);
	//signal(SIGSEGV, &sigint_callback_handler);
	//signal(SIGTERM, &sigint_callback_handler);
	//signal(SIGABRT, &sigint_callback_handler);
#endif
	printf("call hackrf_sample_rate_set(%u Hz/%.03f MHz)\n", sample_rate_hz,((float)sample_rate_hz/(float)FREQ_ONE_MHZ));
	result = hackrf_set_sample_rate_manual(device, sample_rate_hz, 1);
	if( result != HACKRF_SUCCESS ) {
		printf("hackrf_sample_rate_set() failed: %s (%d)\n", hackrf_error_name(result), result);
		return EXIT_FAILURE;
	}

	printf("call hackrf_baseband_filter_bandwidth_set(%d Hz/%.03f MHz)\n",
			baseband_filter_bw_hz, ((float)baseband_filter_bw_hz/(float)FREQ_ONE_MHZ));
	result = hackrf_set_baseband_filter_bandwidth(device, baseband_filter_bw_hz);
	if( result != HACKRF_SUCCESS ) {
		printf("hackrf_baseband_filter_bandwidth_set() failed: %s (%d)\n", hackrf_error_name(result), result);
		return EXIT_FAILURE;
	}

	result = hackrf_set_vga_gain(device, vga_gain);
	result |= hackrf_set_lna_gain(device, lna_gain);
	result |= hackrf_set_txvga_gain(device, txvga_gain);
	if (rxfd != NULL) {
		result |= hackrf_start_rx(device, rx_callback, NULL);
	} else {
		result |= hackrf_start_tx(device, tx_callback, NULL);
	}

#if 0
	if( transceiver_mode == TRANSCEIVER_MODE_RX ) {
		result |= hackrf_start_rx(device, rx_callback, NULL);
	} else {
		result |= hackrf_start_tx(device, tx_callback, NULL);
	}
#endif

	if( result != HACKRF_SUCCESS ) {
		printf("hackrf_start_?x() failed: %s (%d)\n", hackrf_error_name(result), result);
		return EXIT_FAILURE;
	}

	if (automatic_tuning) {
		printf("call hackrf_set_freq(%s Hz/%.03f MHz)\n",
			u64toa(freq_hz, &ascii_u64_data1),((double)freq_hz/(double)FREQ_ONE_MHZ) );
		result = hackrf_set_freq(device, freq_hz);
		if( result != HACKRF_SUCCESS ) {
			printf("hackrf_set_freq() failed: %s (%d)\n", hackrf_error_name(result), result);
			return EXIT_FAILURE;
		}
	} else {
		printf("call hackrf_set_freq_explicit() with %s Hz IF, %s Hz LO, %s\n",
				u64toa(if_freq_hz,&ascii_u64_data1),
				u64toa(lo_freq_hz,&ascii_u64_data2),
				hackrf_filter_path_name(image_reject_selection));
		result = hackrf_set_freq_explicit(device, if_freq_hz, lo_freq_hz,
				image_reject_selection);
		if (result != HACKRF_SUCCESS) {
			printf("hackrf_set_freq_explicit() failed: %s (%d)\n",
					hackrf_error_name(result), result);
			return EXIT_FAILURE;
		}
	}

	if( amp ) {
		printf("call hackrf_set_amp_enable(%u)\n", amp_enable);
		result = hackrf_set_amp_enable(device, (uint8_t)amp_enable);
		if( result != HACKRF_SUCCESS ) {
			printf("hackrf_set_amp_enable() failed: %s (%d)\n", hackrf_error_name(result), result);
			return EXIT_FAILURE;
		}
	}

	if (antenna) {
		printf("call hackrf_set_antenna_enable(%u)\n", antenna_enable);
		result = hackrf_set_antenna_enable(device, (uint8_t)antenna_enable);
		if (result != HACKRF_SUCCESS) {
			printf("hackrf_set_antenna_enable() failed: %s (%d)\n", hackrf_error_name(result), result);
			return EXIT_FAILURE;
		}
	}

	if( limit_num_samples ) {
		printf("samples_to_xfer %s/%sMio\n",
		u64toa(samples_to_xfer,&ascii_u64_data1),
		u64toa((samples_to_xfer/FREQ_ONE_MHZ),&ascii_u64_data2) );
	}
	
	gettimeofday(&t_start, NULL);
	gettimeofday(&time_start, NULL);

	printf("Stop with Ctrl-C\n");
	while(  /*(hackrf_is_streaming(device) == HACKRF_TRUE) && */
			(request_exit == false) ) 
	{
#if 0
		uint32_t byte_count_now;
		struct timeval time_now;
		float time_difference, rate;
		sleep(1);
		
		gettimeofday(&time_now, NULL);
		
		byte_count_now = byte_count;
		byte_count = 0;
		
		time_difference = TimevalDiff(&time_now, &time_start);
		rate = (float)byte_count_now / time_difference;
		printf("%4.1f MiB / %5.3f sec = %4.1f MiB/second\n",
				(byte_count_now / 1e6f), time_difference, (rate / 1e6f) );

		time_start = time_now;

		if (byte_count_now == 0) {
			exit_code = EXIT_FAILURE;
			printf("\nCouldn't transfer any bytes for one second.\n");
			break;
		}
#endif
		printf("hackrf_is%s_streaming\n", 
			hackrf_is_streaming(device)==HACKRF_TRUE ? "":"_not");
		usbsoftrock(udpport);
	}
	
	result = hackrf_is_streaming(device);	
	if (request_exit)
	{
		printf("\nUser cancel, exiting...\n");
	} else {
		printf("\nExiting... hackrf_is_streaming() result: %s (%d)\n", hackrf_error_name(result), result);
	}
	do_exit = true;
	
	gettimeofday(&t_end, NULL);
	time_diff = TimevalDiff(&t_end, &t_start);
	printf("Total time: %5.5f s\n", time_diff);
	
	if(device != NULL)
	{
		if( receive ) 
		{
			result = hackrf_stop_rx(device);
			if( result != HACKRF_SUCCESS ) {
				printf("hackrf_stop_rx() failed: %s (%d)\n", hackrf_error_name(result), result);
			}else {
				printf("hackrf_stop_rx() done\n");
			}
		}
	
		if( transmit ) 
		{
			result = hackrf_stop_tx(device);
			if( result != HACKRF_SUCCESS ) {
				printf("hackrf_stop_tx() failed: %s (%d)\n", hackrf_error_name(result), result);
			}else {
				printf("hackrf_stop_tx() done\n");
			}
		}
		
		result = hackrf_close(device);
		if( result != HACKRF_SUCCESS ) 
		{
			printf("hackrf_close() failed: %s (%d)\n", hackrf_error_name(result), result);
		}else {
			printf("hackrf_close() done\n");
		}
		
		hackrf_exit();
		printf("hackrf_exit() done\n");
	}
		
	if(rxfd != NULL)
	{
		if( receive_wav ) 
		{
			/* Get size of file */
			file_pos = ftell(rxfd);
			/* Update Wav Header */
			wave_file_hdr.hdr.size = file_pos+8;
			wave_file_hdr.fmt_chunk.dwSamplesPerSec = sample_rate_hz;
			wave_file_hdr.fmt_chunk.dwAvgBytesPerSec = wave_file_hdr.fmt_chunk.dwSamplesPerSec*2;
			wave_file_hdr.data_chunk.chunkSize = file_pos - sizeof(t_wav_file_hdr);
			/* Overwrite header with updated data */
			rewind(rxfd);
			fwrite(&wave_file_hdr, 1, sizeof(t_wav_file_hdr), rxfd);
		}	
		fclose(rxfd);
		rxfd = NULL;
		printf("fclose(rxfd) done\n");
	}
	printf("exit\n");
	return exit_code;
}
Exemple #2
0
int main(int argc, char** argv) {
	int opt, i, result = 0;
	const char* path = NULL;
	const char* serial_number = NULL;
	int exit_code = EXIT_SUCCESS;
	struct timeval time_now;
	float time_diff;
	float sweep_rate;
	unsigned int lna_gain=16, vga_gain=20;
	uint32_t freq_min = 0;
	uint32_t freq_max = 6000;
	uint32_t requested_fft_bin_width;


	while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:N:w:1BIr:h?")) != EOF ) {
		result = HACKRF_SUCCESS;
		switch( opt ) 
		{
		case 'd':
			serial_number = optarg;
			break;

		case 'a':
			amp = true;
			result = parse_u32(optarg, &amp_enable);
			break;

		case 'f':
			result = parse_u32_range(optarg, &freq_min, &freq_max);
			if(freq_min >= freq_max) {
				fprintf(stderr,
						"argument error: freq_max must be greater than freq_min.\n");
				usage();
				return EXIT_FAILURE;
			}
			if(FREQ_MAX_MHZ <freq_max) {
				fprintf(stderr,
						"argument error: freq_max may not be higher than %u.\n",
						FREQ_MAX_MHZ);
				usage();
				return EXIT_FAILURE;
			}
			if(MAX_SWEEP_RANGES <= num_ranges) {
				fprintf(stderr,
						"argument error: specify a maximum of %u frequency ranges.\n",
						MAX_SWEEP_RANGES);
				usage();
				return EXIT_FAILURE;
			}
			frequencies[2*num_ranges] = (uint16_t)freq_min;
			frequencies[2*num_ranges+1] = (uint16_t)freq_max;
			num_ranges++;
			break;

		case 'p':
			antenna = true;
			result = parse_u32(optarg, &antenna_enable);
			break;

		case 'l':
			result = parse_u32(optarg, &lna_gain);
			break;

		case 'g':
			result = parse_u32(optarg, &vga_gain);
			break;

		case 'n':
			result = parse_u32(optarg, &num_samples);
			break;

		case 'N':
			finite_mode = true;
			result = parse_u32(optarg, &num_sweeps);
			break;

		case 'w':
			result = parse_u32(optarg, &requested_fft_bin_width);
			fftSize = DEFAULT_SAMPLE_RATE_HZ / requested_fft_bin_width;
			break;

		case '1':
			one_shot = true;
			break;

		case 'B':
			binary_output = true;
			break;

		case 'I':
			ifft_output = true;
			break;

		case 'r':
			path = optarg;
			break;

		case 'h':
		case '?':
			usage();
			return EXIT_SUCCESS;

		default:
			fprintf(stderr, "unknown argument '-%c %s'\n", opt, optarg);
			usage();
			return EXIT_FAILURE;
		}
		
		if( result != HACKRF_SUCCESS ) {
			fprintf(stderr, "argument error: '-%c %s' %s (%d)\n", opt, optarg, hackrf_error_name(result), result);
			usage();
			return EXIT_FAILURE;
		}		
	}

	if (lna_gain % 8)
		fprintf(stderr, "warning: lna_gain (-l) must be a multiple of 8\n");

	if (vga_gain % 2)
		fprintf(stderr, "warning: vga_gain (-g) must be a multiple of 2\n");

	if (num_samples % SAMPLES_PER_BLOCK) {
		fprintf(stderr, "warning: num_samples (-n) must be a multiple of 8192\n");
		return EXIT_FAILURE;
	}

	if (num_samples < SAMPLES_PER_BLOCK) {
		fprintf(stderr, "warning: num_samples (-n) must be at least 8192\n");
		return EXIT_FAILURE;
	}

	if( amp ) {
		if( amp_enable > 1 ) {
			fprintf(stderr, "argument error: amp_enable shall be 0 or 1.\n");
			usage();
			return EXIT_FAILURE;
		}
	}

	if (antenna) {
		if (antenna_enable > 1) {
			fprintf(stderr, "argument error: antenna_enable shall be 0 or 1.\n");
			usage();
			return EXIT_FAILURE;
		}
	}

	if (0 == num_ranges) {
		frequencies[0] = (uint16_t)freq_min;
		frequencies[1] = (uint16_t)freq_max;
		num_ranges++;
	}

	if(binary_output && ifft_output) {
		fprintf(stderr, "argument error: binary output (-B) and IFFT output (-I) are mutually exclusive.\n");
		return EXIT_FAILURE;
	}

	if(ifft_output && (1 < num_ranges)) {
		fprintf(stderr, "argument error: only one frequency range is supported in IFFT output (-I) mode.\n");
		return EXIT_FAILURE;
	}

	if(4 > fftSize) {
		fprintf(stderr,
				"argument error: FFT bin width (-w) must be no more than one quarter the sample rate\n");
		return EXIT_FAILURE;
	}

	if(8184 < fftSize) {
		fprintf(stderr,
				"argument error: FFT bin width (-w) too small, resulted in more than 8184 FFT bins\n");
		return EXIT_FAILURE;
	}

	/* In interleaved mode, the FFT bin selection works best if the total
	 * number of FFT bins is equal to an odd multiple of four.
	 * (e.g. 4, 12, 20, 28, 36, . . .)
	 */
	while((fftSize + 4) % 8) {
		fftSize++;
	}

	fft_bin_width = (double)DEFAULT_SAMPLE_RATE_HZ / fftSize;
	fftwIn = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
	fftwOut = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
	fftwPlan = fftwf_plan_dft_1d(fftSize, fftwIn, fftwOut, FFTW_FORWARD, FFTW_MEASURE);
	pwr = (float*)fftwf_malloc(sizeof(float) * fftSize);
	window = (float*)fftwf_malloc(sizeof(float) * fftSize);
	for (i = 0; i < fftSize; i++) {
		window[i] = (float) (0.5f * (1.0f - cos(2 * M_PI * i / (fftSize - 1))));
	}

	result = hackrf_init();
	if( result != HACKRF_SUCCESS ) {
		fprintf(stderr, "hackrf_init() failed: %s (%d)\n", hackrf_error_name(result), result);
		usage();
		return EXIT_FAILURE;
	}
	
	result = hackrf_open_by_serial(serial_number, &device);
	if( result != HACKRF_SUCCESS ) {
		fprintf(stderr, "hackrf_open() failed: %s (%d)\n", hackrf_error_name(result), result);
		usage();
		return EXIT_FAILURE;
	}

	if((NULL == path) || (strcmp(path, "-") == 0)) {
		fd = stdout;
	} else {
		fd = fopen(path, "wb");
	}

	if(NULL == fd) {
		fprintf(stderr, "Failed to open file: %s\n", path);
		return EXIT_FAILURE;
	}
	/* Change fd buffer to have bigger one to store or read data on/to HDD */
	result = setvbuf(fd , NULL , _IOFBF , FD_BUFFER_SIZE);
	if( result != 0 ) {
		fprintf(stderr, "setvbuf() failed: %d\n", result);
		usage();
		return EXIT_FAILURE;
	}

#ifdef _MSC_VER
	SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE );
#else
	signal(SIGINT, &sigint_callback_handler);
	signal(SIGILL, &sigint_callback_handler);
	signal(SIGFPE, &sigint_callback_handler);
	signal(SIGSEGV, &sigint_callback_handler);
	signal(SIGTERM, &sigint_callback_handler);
	signal(SIGABRT, &sigint_callback_handler);
#endif
	fprintf(stderr, "call hackrf_sample_rate_set(%.03f MHz)\n",
		   ((float)DEFAULT_SAMPLE_RATE_HZ/(float)FREQ_ONE_MHZ));
	result = hackrf_set_sample_rate_manual(device, DEFAULT_SAMPLE_RATE_HZ, 1);
	if( result != HACKRF_SUCCESS ) {
		fprintf(stderr, "hackrf_sample_rate_set() failed: %s (%d)\n",
			   hackrf_error_name(result), result);
		usage();
		return EXIT_FAILURE;
	}

	fprintf(stderr, "call hackrf_baseband_filter_bandwidth_set(%.03f MHz)\n",
			((float)DEFAULT_BASEBAND_FILTER_BANDWIDTH/(float)FREQ_ONE_MHZ));
	result = hackrf_set_baseband_filter_bandwidth(device, DEFAULT_BASEBAND_FILTER_BANDWIDTH);
	if( result != HACKRF_SUCCESS ) {
		fprintf(stderr, "hackrf_baseband_filter_bandwidth_set() failed: %s (%d)\n",
			   hackrf_error_name(result), result);
		usage();
		return EXIT_FAILURE;
	}

	result = hackrf_set_vga_gain(device, vga_gain);
	result |= hackrf_set_lna_gain(device, lna_gain);

	/*
	 * For each range, plan a whole number of tuning steps of a certain
	 * bandwidth. Increase high end of range if necessary to accommodate a
	 * whole number of steps, minimum 1.
	 */
	for(i = 0; i < num_ranges; i++) {
		step_count = 1 + (frequencies[2*i+1] - frequencies[2*i] - 1)
				/ TUNE_STEP;
		frequencies[2*i+1] = (uint16_t) (frequencies[2*i] + step_count * TUNE_STEP);
		fprintf(stderr, "Sweeping from %u MHz to %u MHz\n",
				frequencies[2*i], frequencies[2*i+1]);
	}

	if(ifft_output) {
		ifftwIn = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize * step_count);
		ifftwOut = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize * step_count);
		ifftwPlan = fftwf_plan_dft_1d(fftSize * step_count, ifftwIn, ifftwOut, FFTW_BACKWARD, FFTW_MEASURE);
	}

	result |= hackrf_start_rx(device, rx_callback, NULL);
	if (result != HACKRF_SUCCESS) {
		fprintf(stderr, "hackrf_start_rx() failed: %s (%d)\n", hackrf_error_name(result), result);
		usage();
		return EXIT_FAILURE;
	}

	result = hackrf_init_sweep(device, frequencies, num_ranges, num_samples * 2,
			TUNE_STEP * FREQ_ONE_MHZ, OFFSET, INTERLEAVED);
	if( result != HACKRF_SUCCESS ) {
		fprintf(stderr, "hackrf_init_sweep() failed: %s (%d)\n",
			   hackrf_error_name(result), result);
		return EXIT_FAILURE;
	}

	if (amp) {
		fprintf(stderr, "call hackrf_set_amp_enable(%u)\n", amp_enable);
		result = hackrf_set_amp_enable(device, (uint8_t)amp_enable);
		if (result != HACKRF_SUCCESS) {
			fprintf(stderr, "hackrf_set_amp_enable() failed: %s (%d)\n",
				   hackrf_error_name(result), result);
			usage();
			return EXIT_FAILURE;
		}
	}

	if (antenna) {
		fprintf(stderr, "call hackrf_set_antenna_enable(%u)\n", antenna_enable);
		result = hackrf_set_antenna_enable(device, (uint8_t)antenna_enable);
		if (result != HACKRF_SUCCESS) {
			fprintf(stderr, "hackrf_set_antenna_enable() failed: %s (%d)\n",
				   hackrf_error_name(result), result);
			usage();
			return EXIT_FAILURE;
		}
	}

	gettimeofday(&t_start, NULL);

	fprintf(stderr, "Stop with Ctrl-C\n");
	while((hackrf_is_streaming(device) == HACKRF_TRUE) && (do_exit == false)) {
		float time_difference;
		m_sleep(50);

		gettimeofday(&time_now, NULL);
		
		time_difference = TimevalDiff(&time_now, &t_start);
		sweep_rate = (float)sweep_count / time_difference;
		fprintf(stderr, "%" PRIu64 " total sweeps completed, %.2f sweeps/second\n",
				sweep_count, sweep_rate);

		if (byte_count == 0) {
			exit_code = EXIT_FAILURE;
			fprintf(stderr, "\nCouldn't transfer any data for one second.\n");
			break;
		}
		byte_count = 0;
	}

	result = hackrf_is_streaming(device);	
	if (do_exit) {
		fprintf(stderr, "\nExiting...\n");
	} else {
		fprintf(stderr, "\nExiting... hackrf_is_streaming() result: %s (%d)\n",
			   hackrf_error_name(result), result);
	}

	gettimeofday(&time_now, NULL);
	time_diff = TimevalDiff(&time_now, &t_start);
	fprintf(stderr, "Total sweeps: %" PRIu64 " in %.5f seconds (%.2f sweeps/second)\n",
			sweep_count, time_diff, sweep_rate);

	if(device != NULL) {
		result = hackrf_stop_rx(device);
		if(result != HACKRF_SUCCESS) {
			fprintf(stderr, "hackrf_stop_rx() failed: %s (%d)\n",
				   hackrf_error_name(result), result);
		} else {
			fprintf(stderr, "hackrf_stop_rx() done\n");
		}

		result = hackrf_close(device);
		if(result != HACKRF_SUCCESS) {
			fprintf(stderr, "hackrf_close() failed: %s (%d)\n",
				   hackrf_error_name(result), result);
		} else {
			fprintf(stderr, "hackrf_close() done\n");
		}

		hackrf_exit();
		fprintf(stderr, "hackrf_exit() done\n");
	}

	if(fd != NULL) {
		fclose(fd);
		fd = NULL;
		fprintf(stderr, "fclose(fd) done\n");
	}
	fftwf_free(fftwIn);
	fftwf_free(fftwOut);
	fftwf_free(pwr);
	fftwf_free(window);
	fftwf_free(ifftwIn);
	fftwf_free(ifftwOut);
	fprintf(stderr, "exit\n");
	return exit_code;
}
Exemple #3
0
HackRFSource::HackRFSource(std::string args,
                           uint32_t sampleRate, 
                           uint32_t sampleCount, 
                           double startFrequency, 
                           double stopFrequency)
  : SignalSource(sampleRate, sampleCount, startFrequency, stopFrequency, 0.75, 0.0),
    m_dev(nullptr),
    m_streamingState(Illegal),
    m_nextValidStreamTime{0, 0},
    m_retuneTime(0.0100),
    m_dropPacketCount(0), // ceil(sampleRate * m_retuneTime / 131072)),
    m_scanStartCount(101),
    m_centerFrequency(1e12),
    m_didRetune(false)
{
  int status;

  status = hackrf_init();
  HANDLE_ERROR("hackrf_init() failed: %%s\n");

  status = hackrf_open( &this->m_dev );
  HANDLE_ERROR("Failed to open HackRF device: %%s\n");

  uint8_t board_id;
  status = hackrf_board_id_read( this->m_dev, &board_id );
  HANDLE_ERROR("Failed to get HackRF board id: %%s\n");

  char version[128];
  memset(version, 0, sizeof(version));
  status = hackrf_version_string_read( this->m_dev, version, sizeof(version));
  HANDLE_ERROR("Failed to read version string: %%s\n");

  this->set_sample_rate(sampleRate);

  uint32_t bandWidth = hackrf_compute_baseband_filter_bw(uint32_t(0.75 * sampleRate));
  status = hackrf_set_baseband_filter_bandwidth( this->m_dev, bandWidth );
  HANDLE_ERROR("hackrf_set_baseband_filter_bandwidth %u: %%s", bandWidth );

  /* range 0-40 step 8d, IF gain in osmosdr  */
  hackrf_set_lna_gain(this->m_dev, 24);

  /* range 0-62 step 2db, BB gain in osmosdr */
  hackrf_set_vga_gain(this->m_dev, 28);

  /* Disable AMP gain stage by default. */
  hackrf_set_amp_enable(this->m_dev, 0);

  status = hackrf_set_antenna_enable(this->m_dev, 0);

  if (args.find("bias")) {
    /* antenna port power control */
    status = hackrf_set_antenna_enable(this->m_dev, 1);
    HANDLE_ERROR("Failed to enable antenna DC bias: %%s\n");
  }

  double startFrequency1 = this->GetStartFrequency();
  this->Retune(startFrequency1);

  double stopFrequency1 = this->GetStopFrequency();
  // This was my firmware sweep implementation. But Michael Ossmann has provided
  // new firmware API that sweeps much faster.
#if 0
  status = hackrf_set_scan_parameters(this->m_dev,
                                      uint64_t(startFrequency1),
                                      uint64_t(stopFrequency1),
                                      uint32_t(0.75 * sampleRate));
  printf("Setting scan parameters: [%lu %lu %u]\n",
         uint64_t(startFrequency1),
         uint64_t(stopFrequency1),
         uint32_t(0.75 * sampleRate));

  HANDLE_ERROR("Failed to set scan parameters: %%s\n");
#endif

  // Store scan parameters to use later.
  this->m_scanStartFrequency = uint16_t(startFrequency/1e6);
  this->m_scanStopFrequency = uint16_t(stopFrequency/1e6);
  this->m_scanNumBytes = sampleCount*2;
  this->m_scanStepWidth = 0.75 * sampleRate;
  this->m_scanOffset = this->m_scanStepWidth/2.0;
}
Exemple #4
0
bool HackRFOutput::applySettings(const HackRFOutputSettings& settings, bool force)
{
//	QMutexLocker mutexLocker(&m_mutex);

	bool forwardChange    = false;
	bool suspendThread    = false;
	bool threadWasRunning = false;
	hackrf_error rc;
    QList<QString> reverseAPIKeys;

	qDebug() << "HackRFOutput::applySettings"
        << " m_centerFrequency: " << m_settings.m_centerFrequency
        << " m_LOppmTenths: " << m_settings.m_LOppmTenths
        << " m_bandwidth: " << m_settings.m_bandwidth
        << " m_devSampleRate: " << m_settings.m_devSampleRate
        << " m_log2Interp: " << m_settings.m_log2Interp
        << " m_biasT: " << m_settings.m_biasT
        << " m_lnaExt: " << m_settings.m_lnaExt
        << " m_vgaGain: " << m_settings.m_vgaGain
        << " m_useReverseAPI: " << m_settings.m_useReverseAPI
        << " m_reverseAPIAddress: " << m_settings.m_reverseAPIAddress
        << " m_reverseAPIPort: " << m_settings.m_reverseAPIPort
        << " m_reverseAPIDeviceIndex: " << m_settings.m_reverseAPIDeviceIndex
        << " force: " << force;

    if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force) {
        reverseAPIKeys.append("devSampleRate");
    }

    if ((m_settings.m_devSampleRate != settings.m_devSampleRate) ||
        (m_settings.m_log2Interp != settings.m_log2Interp) || force)
    {
        suspendThread = true;
    }

    if (suspendThread)
    {
        if (m_hackRFThread)
        {
            if (m_hackRFThread->isRunning())
            {
                m_hackRFThread->stopWork();
                threadWasRunning = true;
            }
        }
    }

    if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || (m_settings.m_log2Interp != settings.m_log2Interp) || force)
    {
        forwardChange = true;
        int fifoSize = std::max(
                (int) ((settings.m_devSampleRate/(1<<settings.m_log2Interp)) * DeviceHackRFShared::m_sampleFifoLengthInSeconds),
                DeviceHackRFShared::m_sampleFifoMinSize);
        m_sampleSourceFifo.resize(fifoSize);
    }

	if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force)
	{
		if (m_dev != 0)
		{
			rc = (hackrf_error) hackrf_set_sample_rate_manual(m_dev, settings.m_devSampleRate, 1);

			if (rc != HACKRF_SUCCESS)
			{
				qCritical("HackRFOutput::applySettings: could not set sample rate to %llu S/s: %s",
				        settings.m_devSampleRate,
				        hackrf_error_name(rc));
			}
			else
			{
			    qDebug("HackRFOutput::applySettings: sample rate set to %llu S/s",
			                                settings.m_devSampleRate);
			}
		}
	}

	if ((m_settings.m_log2Interp != settings.m_log2Interp) || force)
	{
        reverseAPIKeys.append("log2Interp");

		if (m_hackRFThread != 0)
		{
			m_hackRFThread->setLog2Interpolation(settings.m_log2Interp);
			qDebug() << "HackRFOutput: set interpolation to " << (1<<settings.m_log2Interp);
		}
	}

    if ((m_settings.m_centerFrequency != settings.m_centerFrequency) || force) {
        reverseAPIKeys.append("centerFrequency");
    }
    if ((m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force) {
        reverseAPIKeys.append("LOppmTenths");
    }

	if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency) ||
			(m_settings.m_LOppmTenths != settings.m_LOppmTenths))
	{
		if (m_dev != 0)
		{
			setDeviceCenterFrequency(settings.m_centerFrequency, settings.m_LOppmTenths);
			qDebug() << "HackRFOutput::applySettings: center freq: " << settings.m_centerFrequency << " Hz LOppm: " << settings.m_LOppmTenths;
		}

		forwardChange = true;
	}

	if ((m_settings.m_vgaGain != settings.m_vgaGain) || force)
	{
        reverseAPIKeys.append("vgaGain");

		if (m_dev != 0)
		{
			rc = (hackrf_error) hackrf_set_txvga_gain(m_dev, settings.m_vgaGain);

			if (rc != HACKRF_SUCCESS) {
				qDebug("HackRFOutput::applySettings: hackrf_set_txvga_gain failed: %s", hackrf_error_name(rc));
			} else {
				qDebug() << "HackRFOutput:applySettings: TxVGA gain set to " << settings.m_vgaGain;
			}
		}
	}

	if ((m_settings.m_bandwidth != settings.m_bandwidth) || force)
	{
        reverseAPIKeys.append("bandwidth");

		if (m_dev != 0)
		{
			uint32_t bw_index = hackrf_compute_baseband_filter_bw_round_down_lt(settings.m_bandwidth + 1); // +1 so the round down to lower than yields desired bandwidth
			rc = (hackrf_error) hackrf_set_baseband_filter_bandwidth(m_dev, bw_index);

			if (rc != HACKRF_SUCCESS) {
				qDebug("HackRFInput::applySettings: hackrf_set_baseband_filter_bandwidth failed: %s", hackrf_error_name(rc));
			} else {
				qDebug() << "HackRFInput:applySettings: Baseband BW filter set to " << settings.m_bandwidth << " Hz";
			}
		}
	}

	if ((m_settings.m_biasT != settings.m_biasT) || force)
	{
        reverseAPIKeys.append("biasT");

		if (m_dev != 0)
		{
			rc = (hackrf_error) hackrf_set_antenna_enable(m_dev, (settings.m_biasT ? 1 : 0));

			if (rc != HACKRF_SUCCESS) {
				qDebug("HackRFInput::applySettings: hackrf_set_antenna_enable failed: %s", hackrf_error_name(rc));
			} else {
				qDebug() << "HackRFInput:applySettings: bias tee set to " << settings.m_biasT;
			}
		}
	}

	if ((m_settings.m_lnaExt != settings.m_lnaExt) || force)
	{
        reverseAPIKeys.append("lnaExt");

		if (m_dev != 0)
		{
			rc = (hackrf_error) hackrf_set_amp_enable(m_dev, (settings.m_lnaExt ? 1 : 0));

			if (rc != HACKRF_SUCCESS) {
				qDebug("HackRFInput::applySettings: hackrf_set_amp_enable failed: %s", hackrf_error_name(rc));
			} else {
				qDebug() << "HackRFInput:applySettings: extra LNA set to " << settings.m_lnaExt;
			}
		}
	}

	if (threadWasRunning)
	{
	    m_hackRFThread->startWork();
	}

    if (settings.m_useReverseAPI)
    {
        bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
                (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
                (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
                (m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex);
        webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
    }

    m_settings = settings;

	if (forwardChange)
	{
		int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp);
		DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
		m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
	}

	return true;
}
Exemple #5
0
bool HackRFSource::configure(uint32_t changeFlags,
        uint32_t sample_rate,
		uint64_t frequency,
        bool ext_amp,
        bool bias_ant,
        int lna_gain,
        int vga_gain,
        uint32_t bandwidth
)
{
    hackrf_error rc;

    if (!m_dev) {
        return false;
    }

    if (changeFlags & 0x1)
    {
    	m_frequency = frequency;

        rc = (hackrf_error) hackrf_set_freq(m_dev, m_frequency);

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set center frequency to " << m_frequency << " Hz";
            m_error = err_ostr.str();
            return false;
        }
    }

    if (changeFlags & 0x2)
    {
        m_sampleRate = sample_rate;

        rc = (hackrf_error) hackrf_set_sample_rate_manual(m_dev, m_sampleRate, 1);

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set center sample rate to " << m_sampleRate << " Hz";
            m_error = err_ostr.str();
            return false;
        }
        else
        {
            m_sampleRate = sample_rate;
        }
    }

    if (changeFlags & 0x4)
    {
        m_lnaGain = lna_gain;

        rc = (hackrf_error) hackrf_set_lna_gain(m_dev, m_lnaGain);

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set LNA gain to " << m_lnaGain << " dB";
            m_error = err_ostr.str();
            return false;
        }
    }

    if (changeFlags & 0x8)
    {
        m_vgaGain = vga_gain;

        rc = (hackrf_error) hackrf_set_vga_gain(m_dev, m_vgaGain);

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set VGA gain to " << m_vgaGain << " dB";
            m_error = err_ostr.str();
            return false;
        }
    }

    if (changeFlags & 0x10)
    {
        m_biasAnt = bias_ant;

        rc = (hackrf_error) hackrf_set_antenna_enable(m_dev, (m_biasAnt ? 1 : 0));

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set bias antenna to " << m_biasAnt;
            m_error = err_ostr.str();
            return false;
        }
    }

    if (changeFlags & 0x20)
    {
        m_extAmp = ext_amp;

        rc = (hackrf_error) hackrf_set_amp_enable(m_dev, (m_extAmp ? 1 : 0));

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set extra amplifier to " << m_extAmp;
            m_error = err_ostr.str();
            return false;
        }
    }

    if (changeFlags & 0x40)
    {
        m_bandwidth = bandwidth;
        uint32_t hackRFBandwidth = hackrf_compute_baseband_filter_bw_round_down_lt(m_bandwidth);
        rc = (hackrf_error) hackrf_set_baseband_filter_bandwidth(m_dev, hackRFBandwidth);

        if (rc != HACKRF_SUCCESS)
        {
            std::ostringstream err_ostr;
            err_ostr << "Could not set bandwidth to " << hackRFBandwidth << " Hz (" << m_bandwidth << " Hz requested)";
            m_error = err_ostr.str();
            return false;
        }
    }

    return true;
}