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;
}
void HackRFSource::get_device_names(std::vector<std::string>& devices)
{
hackrf_device *hackrf_ptr;
read_partid_serialno_t read_partid_serialno;
hackrf_error rc;
int i;
rc = (hackrf_error) hackrf_init();
if (rc != HACKRF_SUCCESS)
{
std::cerr << "HackRFSource::get_device_names: Failed to open HackRF library: " << rc << ": " << hackrf_error_name(rc) << std::endl;
return;
}
hackrf_device_list_t *hackrf_devices = hackrf_device_list();
devices.clear();
for (i=0; i < hackrf_devices->devicecount; i++)
{
rc = (hackrf_error) hackrf_device_list_open(hackrf_devices, i, &hackrf_ptr);
if (rc == HACKRF_SUCCESS)
{
std::cerr << "HackRFSource::get_device_names: try to get device " << i << " serial number" << std::endl;
rc = (hackrf_error) hackrf_board_partid_serialno_read(hackrf_ptr, &read_partid_serialno);
if (rc != HACKRF_SUCCESS)
{
std::cerr << "HackRFSource::get_device_names: failed to get device " << i << " serial number: " << rc << ": " << hackrf_error_name(rc) << std::endl;
hackrf_close(hackrf_ptr);
continue;
}
else
{
std::cerr << "HackRFSource::get_device_names: device " << i << " OK" << std::endl;
hackrf_close(hackrf_ptr);
}
uint32_t serial_msb = read_partid_serialno.serial_no[2];
uint32_t serial_lsb = read_partid_serialno.serial_no[3];
std::ostringstream devname_ostr;
devname_ostr << "Serial " << std::hex << std::setw(8) << std::setfill('0') << serial_msb << serial_lsb;
devices.push_back(devname_ostr.str());
}
else
{
std::cerr << "HackRFSource::get_device_names: failed to open device " << i << std::endl;
}
}
hackrf_device_list_free(hackrf_devices);
rc = (hackrf_error) hackrf_exit();
std::cerr << "HackRFSource::get_device_names: HackRF library exit: " << rc << ": " << hackrf_error_name(rc) << std::endl;
}
HackRFSource::~HackRFSource()
{
if (this->m_dev != nullptr) {
int status = hackrf_stop_rx(this->m_dev);
double centerFrequency = this->GetCurrentFrequency();
HANDLE_ERROR("Failed to stop RX streaming at %u: %%s\n", centerFrequency);
status = hackrf_close(this->m_dev);
HANDLE_ERROR("Error closing hackrf: %%s\n");
}
}
static void hackrf_check_status(int status, const char *message, const char *file, int line) {
if (status != 0) {
fprintf(stderr, "NRF HackRF fatal error: %s\n", message);
if (device != NULL) {
hackrf_close(device);
}
hackrf_exit();
exit(EXIT_FAILURE);
}
}
HackRFSource::~HackRFSource()
{
if (m_dev) {
hackrf_close(m_dev);
}
hackrf_error rc = (hackrf_error) hackrf_exit();
std::cerr << "HackRFSource::~HackRFSource: HackRF library exit: " << rc << ": " << hackrf_error_name(rc) << std::endl;
m_this = 0;
}
void close_hackrf()
{
int result = hackrf_stop_rx(device);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_stop_rx() failed: (%d)\n", result);
}
result = hackrf_close(device);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_close() failed: (%d)\n", result);
}
hackrf_exit();
}
void HackRFSource::handle_error(int status, const char * format, ...)
{
if (status != 0) {
char buffer[256];
va_list args;
va_start(args, format);
vsprintf(buffer, format, args);
fprintf(stderr, buffer, hackrf_error_name(static_cast<hackrf_error>(status)));
hackrf_close(this->m_dev);
exit(1);
}
}
static void sighandler(int signum)
{
fprintf(stderr, "Signal caught, exiting!\n");
if (!do_exit) {
//rtlsdr_cancel_async(dev);
hackrf_stop_rx(dev);
hackrf_close(dev);
sleep(1.2);
hackrf_init();
hackrf_open(&dev);
do_exit = 1;
}
}
/* ======================================================================== */
static void mdlTerminate(SimStruct *S)
/* ======================================================================== */
{
/* check if HackRF object has been created */
if (ssGetPWorkValue(S, DEVICE))
{
struct hackrf_device *device = (struct hackrf_device *)ssGetPWorkValue(S, DEVICE);
hackrf_stop_tx(device);
hackrf_close(device);
hackrf_exit();
}
/* release thread stuff */
if (ssGetPWorkValue(S, MUTEX)) {
pthread_mutex_t *mutex = (pthread_mutex_t *)ssGetPWorkValue(S, MUTEX);
pthread_mutex_destroy(mutex);
free(mutex);
mutex = NULL;
}
if (ssGetPWorkValue(S, COND_VAR)) {
pthread_cond_t* cond_var = (pthread_cond_t *)ssGetPWorkValue(S, COND_VAR);
pthread_cond_destroy(cond_var);
free(cond_var);
cond_var = NULL;
}
/* destroy sample buffer struct */
if (ssGetPWorkValue(S, SBUF))
{
SampleBuffer *sbuf = (SampleBuffer *)ssGetPWorkValue(S, SBUF);
if (sbuf->underrun_before) {
ssPrintf("\n");
}
if (sbuf->buf) {
for (unsigned int i = 0; i < sbuf->num; ++i) {
if (sbuf->buf[i])
free(sbuf->buf[i]);
}
free(sbuf->buf);
}
free(sbuf);
}
}
BOOL WINAPI
sighandler(int signum)
{
if (CTRL_C_EVENT == signum) {
fprintf(stderr, "Signal caught, exiting!\n");
//rtlsdr_cancel_async(dev);
hackrf_stop_rx(dev);
hackrf_close(dev);
sleep(1.2);
hackrf_init();
hackrf_open(&dev);
do_exit = 1;
return TRUE;
}
return FALSE;
}
void HackRFOutput::closeDevice()
{
if (m_deviceAPI->getSourceBuddies().size() == 0)
{
qDebug("HackRFOutput::closeDevice: closing device since Rx side is not open");
if(m_dev != 0) // close HackRF
{
hackrf_close(m_dev);
//hackrf_exit(); // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
}
}
m_sharedParams.m_dev = 0;
m_dev = 0;
}
int main(int argc, char **argv) {
if (argc != 3) {
usage();
exit(1);
}
double freq_mhz = atof(argv[1]);
FREQUENCY = freq_mhz * 1e6;
int count = atoi(argv[2]);
BUFFER_SIZE = NRF_SAMPLES_LENGTH * count;
buffer = calloc(BUFFER_SIZE, 1);
int status;
hackrf_device *device;
status = hackrf_init();
CHECK_STATUS(status, "hackrf_init");
status = hackrf_open(&device);
CHECK_STATUS(status, "hackrf_open");
status = hackrf_set_freq(device, FREQUENCY);
CHECK_STATUS(status, "hackrf_set_freq");
status = hackrf_set_sample_rate(device, SAMPLE_RATE);
CHECK_STATUS(status, "hackrf_set_sample_rate");
status = hackrf_set_amp_enable(device, 0);
CHECK_STATUS(status, "hackrf_set_amp_enable");
status = hackrf_set_lna_gain(device, 32);
CHECK_STATUS(status, "hackrf_set_lna_gain");
status = hackrf_set_vga_gain(device, 34);
CHECK_STATUS(status, "hackrf_set_vga_gain");
status = hackrf_start_rx(device, receive_sample_block, NULL);
CHECK_STATUS(status, "hackrf_start_rx");
while (buffer_pos < BUFFER_SIZE) {
sleep(1);
}
hackrf_stop_rx(device);
hackrf_close(device);
hackrf_exit();
return 0;
}
int main(int argc, char **argv) {
int status;
if (argc != 3) {
printf("Usage: rfcap FREQ N_SAMPLES\n");
exit(EXIT_FAILURE);
}
current_freq = atof(argv[1]);
n_samples = atoi(argv[2]);
status = hackrf_init();
HACKRF_CHECK_STATUS(status, "hackrf_init");
status = hackrf_open(&device);
HACKRF_CHECK_STATUS(status, "hackrf_open");
status = hackrf_set_freq(device, current_freq * 1e6);
HACKRF_CHECK_STATUS(status, "hackrf_set_freq");
status = hackrf_set_sample_rate(device, 10e6);
HACKRF_CHECK_STATUS(status, "hackrf_set_sample_rate");
status = hackrf_set_amp_enable(device, 0);
HACKRF_CHECK_STATUS(status, "hackrf_set_amp_enable");
status = hackrf_set_lna_gain(device, 32);
HACKRF_CHECK_STATUS(status, "hackrf_set_lna_gain");
status = hackrf_set_vga_gain(device, 30);
HACKRF_CHECK_STATUS(status, "hackrf_set_lna_gain");
status = hackrf_start_rx(device, receive_sample_block, NULL);
HACKRF_CHECK_STATUS(status, "hackrf_start_rx");
while (receive_count < n_samples) {
usleep(100);
}
hackrf_stop_rx(device);
hackrf_close(device);
hackrf_exit();
return 0;
}
int main(int argc, char** argv) {
int opt;
char path_file[PATH_FILE_MAX_LEN];
char date_time[DATE_TIME_MAX_LEN];
const char* path = 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;
while( (opt = getopt(argc, argv, "wr:t:f:a:s:n:b:l:i:x:")) != EOF )
{
result = HACKRF_SUCCESS;
switch( opt )
{
case 'w':
receive_wav = true;
break;
case 'r':
receive = true;
path = optarg;
break;
case 't':
transmit = true;
path = optarg;
break;
case 'f':
freq = true;
result = parse_u64(optarg, &freq_hz);
break;
case 'a':
amp = true;
result = parse_u32(optarg, &_enable);
break;
case 'l':
result = parse_u32(optarg, &lna_gain);
break;
case 'i':
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;
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);
usage();
return EXIT_FAILURE;
}
}
if (samples_to_xfer >= SAMPLES_TO_XFER_MAX) {
printf("argument error: num_samples must be less than %llu/%lluMio\n",
SAMPLES_TO_XFER_MAX, SAMPLES_TO_XFER_MAX/FREQ_ONE_MHZ);
usage();
return EXIT_FAILURE;
}
if( freq ) {
if( (freq_hz >= FREQ_MAX_HZ) || (freq_hz < FREQ_MIN_HZ) )
{
printf("argument error: set_freq_hz shall be between [%llu, %llu[.\n", FREQ_MIN_HZ, FREQ_MAX_HZ);
usage();
return EXIT_FAILURE;
}
}else
{
/* Use default freq */
freq_hz = DEFAULT_FREQ_HZ;
}
if( amp ) {
if( amp_enable > 1 )
{
printf("argument error: set_amp shall be 0 or 1.\n");
usage();
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));
usage();
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));
usage();
return EXIT_FAILURE;
}
if( (transmit == false) && (receive == receive_wav) )
{
printf("receive -r and receive_wav -w options are mutually exclusive\n");
usage();
return EXIT_FAILURE;
}
if( receive_wav == false )
{
if( transmit == receive )
{
if( transmit == true )
{
printf("receive -r and transmit -t options are mutually exclusive\n");
} else
{
printf("specify either transmit -t or receive -r or receive_wav -w option\n");
}
usage();
return EXIT_FAILURE;
}
}
if( receive ) {
transceiver_mode = TRANSCEIVER_MODE_RX;
}
if( transmit ) {
transceiver_mode = TRANSCEIVER_MODE_TX;
}
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)) );
path = path_file;
printf("Receive wav file: %s\n", path);
}
if( path == NULL ) {
printf("specify a path to a file to transmit/receive\n");
usage();
return EXIT_FAILURE;
}
result = hackrf_init();
if( result != HACKRF_SUCCESS ) {
printf("hackrf_init() failed: %s (%d)\n", hackrf_error_name(result), result);
usage();
return EXIT_FAILURE;
}
result = hackrf_open(&device);
if( result != HACKRF_SUCCESS ) {
printf("hackrf_open() failed: %s (%d)\n", hackrf_error_name(result), result);
usage();
return EXIT_FAILURE;
}
if( transceiver_mode == TRANSCEIVER_MODE_RX )
{
fd = fopen(path, "wb");
} else {
fd = fopen(path, "rb");
}
if( fd == NULL ) {
printf("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 ) {
printf("setvbuf() failed: %d\n", result);
usage();
return EXIT_FAILURE;
}
/* Write Wav header */
if( receive_wav )
{
fwrite(&wave_file_hdr, 1, sizeof(t_wav_file_hdr), fd);
}
#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_sample_rate_set(device, sample_rate_hz);
if( result != HACKRF_SUCCESS ) {
printf("hackrf_sample_rate_set() failed: %s (%d)\n", hackrf_error_name(result), result);
usage();
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_baseband_filter_bandwidth_set(device, baseband_filter_bw_hz);
if( result != HACKRF_SUCCESS ) {
printf("hackrf_baseband_filter_bandwidth_set() failed: %s (%d)\n", hackrf_error_name(result), result);
usage();
return EXIT_FAILURE;
}
if( transceiver_mode == TRANSCEIVER_MODE_RX ) {
result = hackrf_set_vga_gain(device, vga_gain);
result |= hackrf_set_lna_gain(device, lna_gain);
result |= hackrf_start_rx(device, rx_callback, NULL);
} else {
result = hackrf_set_txvga_gain(device, txvga_gain);
result |= hackrf_start_tx(device, tx_callback, NULL);
}
if( result != HACKRF_SUCCESS ) {
printf("hackrf_start_?x() failed: %s (%d)\n", hackrf_error_name(result), result);
usage();
return EXIT_FAILURE;
}
printf("call hackrf_set_freq(%llu Hz/%.03f MHz)\n", freq_hz, ((float)freq_hz/(float)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);
usage();
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);
usage();
return EXIT_FAILURE;
}
}
if( limit_num_samples ) {
printf("samples_to_xfer %llu/%lluMio\n", samples_to_xfer, (samples_to_xfer/FREQ_ONE_MHZ) );
}
gettimeofday(&t_start, NULL);
gettimeofday(&time_start, NULL);
printf("Stop with Ctrl-C\n");
while( (hackrf_is_streaming(device) == HACKRF_TRUE) &&
(do_exit == false) )
{
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;
}
}
result = hackrf_is_streaming(device);
if (do_exit)
{
printf("\nUser cancel, exiting...\n");
} else {
printf("\nExiting... hackrf_is_streaming() result: %s (%d)\n", hackrf_error_name(result), result);
}
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(fd != NULL)
{
if( receive_wav )
{
/* Get size of file */
file_pos = ftell(fd);
/* 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(fd);
fwrite(&wave_file_hdr, 1, sizeof(t_wav_file_hdr), fd);
}
fclose(fd);
fd = NULL;
printf("fclose(fd) done\n");
}
printf("exit\n");
return exit_code;
}
/* Entry point to C/C++ */
void mexFunction(int nlhs,mxArray *plhs[],int nrhs,const mxArray *prhs[])
{
int result =HACKRF_SUCCESS,i;
struct hackrf_device *_device [10];
hackrf_device_list_t *list;
uint8_t board_id = BOARD_ID_INVALID;
char version[255 + 1];
read_partid_serialno_t read_partid_serialno;
result = hackrf_init();
if (result != HACKRF_SUCCESS) {
mexPrintf("hackrf_init() failed: %s (%d)\n",hackrf_error_name((hackrf_error)result), result);
}
list = hackrf_device_list();
if (list->devicecount < 1 ) {
mexPrintf("No HackRF boards found.\n");
}
for (i = 0; i < list->devicecount; i++){
mexPrintf("Found HackRF board %d:\n", i);
if (list->serial_numbers[i])
mexPrintf("USB descriptor string: %s\n", list->serial_numbers[i]);
result = hackrf_device_list_open(list, i, &_device [i]);
if (result != HACKRF_SUCCESS) {
mexPrintf("hackrf_open() failed: %s (%d)\n",hackrf_error_name((hackrf_error)result), result);
}
result = hackrf_board_id_read(_device[i], &board_id);
if (result != HACKRF_SUCCESS) {
mexPrintf("hackrf_board_id_read() failed: %s (%d)\n",hackrf_error_name((hackrf_error)result), result);
}
mexPrintf("Board ID Number: %d (%s)\n", board_id,hackrf_board_id_name((hackrf_board_id)board_id));
result = hackrf_version_string_read(_device[i], &version[0], 255);
if (result != HACKRF_SUCCESS) {
mexPrintf("hackrf_version_string_read() failed: %s (%d)\n",hackrf_error_name((hackrf_error)result), result);
}
printf("Firmware Version: %s\n", version);
result = hackrf_board_partid_serialno_read(_device[i], &read_partid_serialno);
if (result != HACKRF_SUCCESS) {
mexPrintf( "hackrf_board_partid_serialno_read() failed: %s (%d)\n",hackrf_error_name((hackrf_error)result), result);
}
printf("Part ID Number: 0x%08x 0x%08x\n",
read_partid_serialno.part_id[0],
read_partid_serialno.part_id[1]);
printf("Serial Number: 0x%08x 0x%08x 0x%08x 0x%08x\n",
read_partid_serialno.serial_no[0],
read_partid_serialno.serial_no[1],
read_partid_serialno.serial_no[2],
read_partid_serialno.serial_no[3]);
result = hackrf_close(_device[i]);
if (result != HACKRF_SUCCESS) {
mexPrintf("hackrf_close() failed: %s (%d)\n",hackrf_error_name((hackrf_error)result), result);
}
}
hackrf_device_list_free(list);
hackrf_exit();
}
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;
}
int
main ( int argc, char** argv )
{
/*
* Setup.
*/
// How did it do?
int result ;
// Signal and carrier angle.
double sa, ca ;
// Sample offsets.
co = 0 ; mo = 0 ; so = 0 ;
// Sample number.
sn = 0L ;
// Mark or space?
ms = false ;
// Catch signals that we want to handle gracefully.
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 ) ;
// This takes a bit.
fprintf ( stderr, "Precalculating lookup tables...\n" ) ;
/*
* Precalc waveforms.
*/
// Lookup for 1200Hz.
for ( int s = 0 ; s < 6666; s++ )
{
sa = s * tau / 6666.0 ;
for ( int c = 0; c < 10; c++ )
{
ca = c * tau / 10.0 ;
mi[s][c] = ( int8_t ) ( 127.0 * sin ( ca - dm * cos ( sa ) ) ) ;
mq[s][c] = ( int8_t ) ( 127.0 * cos ( ca - dm * cos ( sa ) ) ) ;
}
}
// Lookup for 2200Hz.
for ( int s = 0 ; s < 3636; s++ )
{
sa = s * tau / 3636.0 ;
for ( int c = 0; c < 10; c++ )
{
ca = c * tau / 10.0 ;
si[s][c] = ( int8_t ) ( 127.0 * sin ( ca - dm * cos ( sa ) ) ) ;
sq[s][c] = ( int8_t ) ( 127.0 * cos ( ca - dm * cos ( sa ) ) ) ;
}
}
/*
* Setup the HackRF for transmitting at full power, 8M samples/s, 144MHz
*/
// Ok.
fprintf ( stderr, "Setting up the HackRF...\n" ) ;
// Initialize the HackRF.
result = hackrf_init() ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_init() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
// Open the HackRF.
result = hackrf_open ( &device ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_open() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
// Set the sample rate.
result = hackrf_set_sample_rate_manual ( device, sr, 1 ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_sample_rate_set() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
// Set the filter bandwith to default.
result = hackrf_set_baseband_filter_bandwidth ( device, hackrf_compute_baseband_filter_bw_round_down_lt ( sr ) ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_baseband_filter_bandwidth_set() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
// Set the gain.
result = hackrf_set_txvga_gain ( device, gain ) ;
result |= hackrf_start_tx ( device, tx_callback, NULL ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_start_tx() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
// Set the transmit frequency.
result = hackrf_set_freq ( device, tf ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_set_freq() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
// Turn on the amp.
result = hackrf_set_amp_enable ( device, ( uint8_t ) 1 ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_set_amp_enable() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
return EXIT_FAILURE ;
}
/*
* Transmitting.
*/
// Ready?
fprintf ( stderr, "Transmitting, stop with Ctrl-C\n" ) ;
// Spin until done or killed.
while ( ( hackrf_is_streaming ( device ) == HACKRF_TRUE ) && ( do_exit == false ) ) sleep ( 1 ) ;
/*
* Clean up and shut down.
*/
// What happened?
result = hackrf_is_streaming ( device ) ;
if ( do_exit )
{
printf ( "\nUser cancel, exiting...\n" ) ;
}
else
{
fprintf ( stderr, "\nExiting... hackrf_is_streaming() result: %s (%d)\n", hackrf_error_name ( result ), result ) ;
}
// Shut down the HackRF.
if ( device != NULL )
{
result = hackrf_stop_tx ( device ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_stop_tx() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
}
result = hackrf_close ( device ) ;
if ( result != HACKRF_SUCCESS )
{
fprintf ( stderr, "hackrf_close() failed: %s (%d)\n", hackrf_error_name ( result ), result ) ;
}
hackrf_exit() ;
}
// That's all, folks!!!
return EXIT_SUCCESS ;
}
static void teardown_hackrf() {
hackrf_stop_rx(device);
hackrf_close(device);
hackrf_exit();
}
int main(int argc, char** argv)
{
int opt;
uint32_t address = 0;
uint32_t length = MAX_LENGTH;
uint32_t tmp_length;
uint16_t xfer_len = 0;
const char* path = NULL;
const char* serial_number = NULL;
hackrf_device* device = NULL;
int result = HACKRF_SUCCESS;
int option_index = 0;
static uint8_t data[MAX_LENGTH];
uint8_t* pdata = &data[0];
FILE* fd = NULL;
bool read = false;
bool write = false;
bool verbose = false;
while ((opt = getopt_long(argc, argv, "a:l:r:w:d:v", long_options,
&option_index)) != EOF) {
switch (opt) {
case 'a':
result = parse_u32(optarg, &address);
break;
case 'l':
result = parse_u32(optarg, &length);
break;
case 'r':
read = true;
path = optarg;
break;
case 'w':
write = true;
path = optarg;
break;
case 'd':
serial_number = optarg;
break;
case 'v':
verbose = true;
break;
default:
fprintf(stderr, "opt error: %d\n", opt);
usage();
return EXIT_FAILURE;
}
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "argument error: %s (%d)\n",
hackrf_error_name(result), result);
usage();
return EXIT_FAILURE;
}
}
if (write == read) {
if (write == true) {
fprintf(stderr, "Read and write options are mutually exclusive.\n");
} else {
fprintf(stderr, "Specify either read or write option.\n");
}
usage();
return EXIT_FAILURE;
}
if (path == NULL) {
fprintf(stderr, "Specify a path to a file.\n");
usage();
return EXIT_FAILURE;
}
if( write )
{
fd = fopen(path, "rb");
if(fd == NULL)
{
printf("Error to open file %s\n", path);
return EXIT_FAILURE;
}
/* Get size of the file */
fseek(fd, 0, SEEK_END); /* Not really portable but work on major OS Linux/Win32 */
length = ftell(fd);
/* Move to start */
rewind(fd);
printf("File size %d bytes.\n", length);
}
if (length == 0) {
fprintf(stderr, "Requested transfer of zero bytes.\n");
if(fd != NULL)
fclose(fd);
usage();
return EXIT_FAILURE;
}
if ((length > MAX_LENGTH) || (address > MAX_LENGTH)
|| ((address + length) > MAX_LENGTH)) {
fprintf(stderr, "Request exceeds size of flash memory.\n");
if(fd != NULL)
fclose(fd);
usage();
return EXIT_FAILURE;
}
if (read) {
fd = fopen(path, "wb");
if(fd == NULL)
{
printf("Error to open file %s\n", path);
return EXIT_FAILURE;
}
}
if (fd == NULL) {
fprintf(stderr, "Failed to open file: %s\n", path);
return EXIT_FAILURE;
}
result = hackrf_init();
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_init() failed: %s (%d)\n",
hackrf_error_name(result), result);
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);
return EXIT_FAILURE;
}
if (read)
{
ssize_t bytes_written;
tmp_length = length;
while (tmp_length)
{
xfer_len = (tmp_length > 256) ? 256 : tmp_length;
if( verbose ) printf("Reading %d bytes from 0x%06x.\n", xfer_len, address);
result = hackrf_spiflash_read(device, address, xfer_len, pdata);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_spiflash_read() failed: %s (%d)\n",
hackrf_error_name(result), result);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
address += xfer_len;
pdata += xfer_len;
tmp_length -= xfer_len;
}
bytes_written = fwrite(data, 1, length, fd);
if (bytes_written != length) {
fprintf(stderr, "Failed write to file (wrote %d bytes).\n",
(int)bytes_written);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
} else {
ssize_t bytes_read = fread(data, 1, length, fd);
if (bytes_read != length) {
fprintf(stderr, "Failed read file (read %d bytes).\n",
(int)bytes_read);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
printf("Erasing SPI flash.\n");
result = hackrf_spiflash_erase(device);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_spiflash_erase() failed: %s (%d)\n",
hackrf_error_name(result), result);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
if( !verbose ) printf("Writing %d bytes at 0x%06x.\n", length, address);
while (length) {
xfer_len = (length > 256) ? 256 : length;
if( verbose ) printf("Writing %d bytes at 0x%06x.\n", xfer_len, address);
result = hackrf_spiflash_write(device, address, xfer_len, pdata);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_spiflash_write() failed: %s (%d)\n",
hackrf_error_name(result), result);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
address += xfer_len;
pdata += xfer_len;
length -= xfer_len;
}
}
result = hackrf_close(device);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_close() failed: %s (%d)\n",
hackrf_error_name(result), result);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
hackrf_exit();
if (fd != NULL) {
fclose(fd);
}
return EXIT_SUCCESS;
}
int main(int argc, char** argv)
{
int opt;
uint32_t length = 0;
uint32_t total_length = 0;
const char* path = NULL;
hackrf_device* device = NULL;
int result = HACKRF_SUCCESS;
int option_index = 0;
FILE* fd = NULL;
ssize_t bytes_read;
uint16_t xfer_len = 0;
uint8_t* pdata = &data[0];
while ((opt = getopt_long(argc, argv, "x:", long_options,
&option_index)) != EOF) {
switch (opt) {
case 'x':
path = optarg;
break;
default:
usage();
return EXIT_FAILURE;
}
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "argument error: %s (%d)\n",
hackrf_error_name(result), result);
usage();
return EXIT_FAILURE;
}
}
if (path == NULL) {
fprintf(stderr, "Specify a path to a file.\n");
usage();
return EXIT_FAILURE;
}
fd = fopen(path, "rb");
if (fd == NULL)
{
fprintf(stderr, "Failed to open file: %s\n", path);
return EXIT_FAILURE;
}
/* Get size of the file */
fseek(fd, 0, SEEK_END); /* Not really portable but work on major OS Linux/Win32 */
length = ftell(fd);
/* Move to start */
rewind(fd);
printf("File size %d bytes.\n", length);
if (length > MAX_XSVF_LENGTH) {
fprintf(stderr, "XSVF file too large.\n");
usage();
return EXIT_FAILURE;
}
total_length = length;
bytes_read = fread(data, 1, total_length, fd);
if (bytes_read != total_length)
{
fprintf(stderr, "Failed to read all bytes (read %d bytes instead of %d bytes).\n",
(int)bytes_read, total_length);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
result = hackrf_init();
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_init() failed: %s (%d)\n",
hackrf_error_name(result), result);
return EXIT_FAILURE;
}
result = hackrf_open(&device);
if (result != HACKRF_SUCCESS) {
fprintf(stderr, "hackrf_open() failed: %s (%d)\n",
hackrf_error_name(result), result);
return EXIT_FAILURE;
}
printf("LED1/2/3 blinking means CPLD program success.\nLED3/RED steady means error.\n");
printf("Wait message 'Write finished' or in case of LED3/RED steady, Power OFF/Disconnect the Jawbreaker.\n");
while( length )
{
xfer_len = (length > PACKET_LEN) ? PACKET_LEN : length;
result = hackrf_cpld_write(device, xfer_len, pdata, total_length);
if (result != HACKRF_SUCCESS)
{
fprintf(stderr, "hackrf_cpld_write() failed: %s (%d)\n",
hackrf_error_name(result), result);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
pdata += xfer_len;
length -= xfer_len;
printf("hackrf_cpld_write() Writing %d bytes, remaining %d bytes.\n",
xfer_len, length);
}
printf("Write finished.\n");
printf("Please Power OFF/Disconnect the Jawbreaker.\n");
fflush(stdout);
result = hackrf_close(device);
if( result != HACKRF_SUCCESS )
{
fprintf(stderr, "hackrf_close() failed: %s (%d)\n",
hackrf_error_name(result), result);
fclose(fd);
fd = NULL;
return EXIT_FAILURE;
}
hackrf_exit();
if (fd != NULL) {
fclose(fd);
}
return EXIT_SUCCESS;
}
static int do_sdr_decode(struct dab_state_t* dab, int frequency, int gain)
{
struct sigaction sigact;
uint32_t dev_index = 0;
int32_t device_count;
int i,r;
char vendor[256], product[256], serial[256];
uint32_t samp_rate = 2048000;
memset(&sdr,0,sizeof(struct sdr_state_t));
sdr.frequency = frequency;
//fprintf(stderr,"%i\n",sdr.frequency);
/*---------------------------------------------------
Looking for device and open connection
----------------------------------------------------*/
if (dab->device_type == DAB_DEVICE_RTLSDR) {
sdr.convert_unsigned = 1;
device_count = rtlsdr_get_device_count();
if (!device_count) {
fprintf(stderr, "No supported devices found.\n");
exit(1);
}
fprintf(stderr, "Found %d device(s):\n", device_count);
for (i = 0; i < device_count; i++) {
rtlsdr_get_device_usb_strings(i, vendor, product, serial);
fprintf(stderr, " %d: %s, %s, SN: %s\n", i, vendor, product, serial);
}
fprintf(stderr, "\n");
fprintf(stderr, "Using device %d: %s\n",dev_index, rtlsdr_get_device_name(dev_index));
r = rtlsdr_open(&dev, dev_index);
if (r < 0) {
fprintf(stderr, "Failed to open rtlsdr device #%d.\n", dev_index);
exit(1);
}
int gains[100];
int count = rtlsdr_get_tuner_gains(dev, gains);
fprintf(stderr, "Supported gain values (%d): ", count);
for (i = 0; i < count; i++)
fprintf(stderr, "%.1f ", gains[i] / 10.0);
fprintf(stderr, "\n");
}
else if (dab->device_type == DAB_DEVICE_HACKRF) {
sdr.convert_unsigned = 0;
r = hackrf_init();
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_init() failed", r);
return EXIT_FAILURE;
}
const char* serial_number = nullptr;
r = hackrf_open_by_serial(serial_number, &hackrf);
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_open() failed", r);
return EXIT_FAILURE;
}
}
else
{
r = -1;
return EXIT_FAILURE;
}
/*-------------------------------------------------
Set Frequency & Sample Rate
--------------------------------------------------*/
if (dab->device_type == DAB_DEVICE_RTLSDR) {
/* Set the sample rate */
r = rtlsdr_set_sample_rate(dev, samp_rate);
if (r < 0)
fprintf(stderr, "WARNING: Failed to set sample rate.\n");
/* Set the frequency */
r = rtlsdr_set_center_freq(dev, sdr.frequency);
if (r < 0)
fprintf(stderr, "WARNING: Failed to set center freq.\n");
else
fprintf(stderr, "Tuned to %u Hz.\n", sdr.frequency);
/*------------------------------------------------
Setting gain
-------------------------------------------------*/
if (gain == AUTO_GAIN) {
r = rtlsdr_set_tuner_gain_mode(dev, 0);
} else {
r = rtlsdr_set_tuner_gain_mode(dev, 1);
r = rtlsdr_set_tuner_gain(dev, gain);
}
if (r != 0) {
fprintf(stderr, "WARNING: Failed to set tuner gain.\n");
} else if (gain == AUTO_GAIN) {
fprintf(stderr, "Tuner gain set to automatic.\n");
} else {
fprintf(stderr, "Tuner gain set to %0.2f dB.\n", gain/10.0);
}
/*-----------------------------------------------
/ Reset endpoint (mandatory)
------------------------------------------------*/
r = rtlsdr_reset_buffer(dev);
}
else if (dab->device_type == DAB_DEVICE_HACKRF) {
int sample_rate_hz = samp_rate;
fprintf(stderr, "call hackrf_sample_rate_set(%u Hz/%.03f MHz)\n", sample_rate_hz, (sample_rate_hz/1e6));
int r = hackrf_set_sample_rate_manual(hackrf, sample_rate_hz, 1);
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_sample_rate_set() failed", r);
return EXIT_FAILURE;
}
/* possible settings 1.75/2.5/3.5/5/5.5/6/7/8/9/10/12/14/15/20/24/28 */
int baseband_filter_bw_hz = 2500000;
fprintf(stderr, "call hackrf_baseband_filter_bandwidth_set(%d Hz/%.03f MHz)\n",
baseband_filter_bw_hz, ((float)baseband_filter_bw_hz/1e6));
r = hackrf_set_baseband_filter_bandwidth(hackrf, baseband_filter_bw_hz);
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_baseband_filter_bandwidth_set()", r);
return EXIT_FAILURE;
}
r = hackrf_set_vga_gain(hackrf, hackrf_vga_gain);
r |= hackrf_set_lna_gain(hackrf, hackrf_lna_gain);
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_vga gain/lna gain", r);
return EXIT_FAILURE;
}
r = hackrf_set_freq(hackrf, sdr.frequency);
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_set_freq()", r);
return EXIT_FAILURE;
}
}
/*-----------------------------------------------
/ Signal handler
------------------------------------------------*/
sigact.sa_handler = sighandler;
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = 0;
sigaction(SIGINT, &sigact, NULL);
sigaction(SIGTERM, &sigact, NULL);
sigaction(SIGQUIT, &sigact, NULL);
sigaction(SIGPIPE, &sigact, NULL);
/*-----------------------------------------------
/ start demod thread & rtl read
-----------------------------------------------*/
fprintf(stderr,"Waiting for sync...\n");
sdr_init(&sdr);
//dab_fic_parser_init(&sinfo);
//dab_analyzer_init(&ana);
pthread_create(&demod_thread, NULL, demod_thread_fn, (void *)(dab));
if (dab->device_type == DAB_DEVICE_RTLSDR) {
rtlsdr_read_async(dev, rtlsdr_callback, (void *)(&sdr),
DEFAULT_ASYNC_BUF_NUMBER, DEFAULT_BUF_LENGTH);
}
else if (dab->device_type == DAB_DEVICE_HACKRF) {
r = hackrf_start_rx(hackrf, hackrf_callback, (void *)(&sdr));
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_start_x()", r);
return EXIT_FAILURE;
}
while( ((r=hackrf_is_streaming(hackrf)) == HACKRF_TRUE) &&
(do_exit == false) ) {
sleep(1);
fprintf(stderr, "samples: low: %02.2f%%, saturating: %02.2f%%\n",
num_low_power * 100.0 / DEFAULT_BUF_LENGTH,
num_saturated * 100.0 / DEFAULT_BUF_LENGTH);
}
hackrf_err("hackrf_is_streaming", r);
}
if (do_exit) {
fprintf(stderr, "\nUser cancel, exiting...\n");}
else {
fprintf(stderr, "\nLibrary error %d, exiting...\n", r);}
if (dab->device_type == DAB_DEVICE_RTLSDR) {
rtlsdr_cancel_async(dev);
//dab_demod_close(&dab);
rtlsdr_close(dev);
}
else if (dab->device_type == DAB_DEVICE_HACKRF) {
if (hackrf != NULL)
{
r = hackrf_stop_rx(hackrf);
if( r != HACKRF_SUCCESS ) {
hackrf_err("hackrf_stop_rx() failed", r);
}
else {
fprintf(stderr, "hackrf_stop_rx() done\n");
}
r = hackrf_close(hackrf);
if( r != HACKRF_SUCCESS )
{
hackrf_err("hackrf_close() failed", r);
}
else {
fprintf(stderr, "hackrf_close() done\n");
}
}
hackrf_exit();
}
return 1;
}
int main(int argc, char** argv) {
int opt;
uint16_t register_number = REGISTER_INVALID;
uint16_t register_value;
int result = hackrf_init();
if( result ) {
printf("hackrf_init() failed: %s (%d)\n", hackrf_error_name(result), result);
return -1;
}
hackrf_device* device = NULL;
result = hackrf_open(&device);
if( result ) {
printf("hackrf_open() failed: %s (%d)\n", hackrf_error_name(result), result);
return -1;
}
int option_index = 0;
while( (opt = getopt_long(argc, argv, "cn:rw:", long_options, &option_index)) != EOF ) {
switch( opt ) {
case 'n':
result = parse_int(optarg, ®ister_number);
break;
case 'w':
result = parse_int(optarg, ®ister_value);
if( result == HACKRF_SUCCESS ) {
result = write_register(device, register_number, register_value);
}
break;
case 'r':
if( register_number == REGISTER_INVALID ) {
result = dump_registers(device);
} else {
result = dump_register(device, register_number);
}
break;
case 'c':
dump_configuration(device);
break;
default:
usage();
}
if( result != HACKRF_SUCCESS ) {
printf("argument error: %s (%d)\n", hackrf_error_name(result), result);
break;
}
}
result = hackrf_close(device);
if( result ) {
printf("hackrf_close() failed: %s (%d)\n", hackrf_error_name(result), result);
return -1;
}
hackrf_exit();
return 0;
}