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, &_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, &litude);
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;
}
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, &_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;
}
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;
}
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;
}
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;
}