AirspySource::~AirspySource()
{
if (m_dev) {
airspy_close(m_dev);
}
airspy_error rc = (airspy_error) airspy_exit();
std::cerr << "AirspySource::~AirspySource: Airspy library exit: " << rc << ": " << airspy_error_name(rc) << std::endl;
m_this = 0;
}
void AirspySource::get_device_names(std::vector<std::string>& devices)
{
airspy_device *airspy_ptr;
airspy_read_partid_serialno_t read_partid_serialno;
uint32_t serial_msb = 0;
uint32_t serial_lsb = 0;
airspy_error rc;
int i;
rc = (airspy_error) airspy_init();
if (rc != AIRSPY_SUCCESS)
{
std::cerr << "AirspySource::get_device_names: Failed to open Airspy library: " << rc << ": " << airspy_error_name(rc) << std::endl;
return;
}
for (i=0; i < AIRSPY_MAX_DEVICE; i++)
{
rc = (airspy_error) airspy_open(&airspy_ptr);
std::cerr << "AirspySource::get_device_names: try to get device " << i << " serial number" << std::endl;
if (rc == AIRSPY_SUCCESS)
{
std::cerr << "AirspySource::get_device_names: device " << i << " open OK" << std::endl;
rc = (airspy_error) airspy_board_partid_serialno_read(airspy_ptr, &read_partid_serialno);
if (rc == AIRSPY_SUCCESS)
{
serial_msb = read_partid_serialno.serial_no[2];
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 << "AirspySource::get_device_names: failed to get device " << i << " serial number: " << rc << ": " << airspy_error_name(rc) << std::endl;
}
airspy_close(airspy_ptr);
}
else
{
std::cerr << "AirspySource::get_device_names: enumerated " << i << " Airspy devices: " << airspy_error_name(rc) << std::endl;
break; // finished
}
}
rc = (airspy_error) airspy_exit();
std::cerr << "AirspySource::get_device_names: Airspy library exit: " << rc << ": " << airspy_error_name(rc) << std::endl;
}
int main(int argc, char** argv)
{
int i;
uint32_t j;
int result;
int opt;
uint32_t count;
uint32_t *samplerates;
uint32_t serial_number_msb_val;
uint32_t serial_number_lsb_val;
airspy_lib_version_t lib_version;
uint8_t board_id = AIRSPY_BOARD_ID_INVALID;
while( (opt = getopt(argc, argv, "s:")) != EOF )
{
result = AIRSPY_SUCCESS;
switch( opt )
{
case 's':
serial_number = true;
result = parse_u64(optarg, &serial_number_val);
serial_number_msb_val = (uint32_t)(serial_number_val >> 32);
serial_number_lsb_val = (uint32_t)(serial_number_val & 0xFFFFFFFF);
printf("Board serial number to open: 0x%08X%08X\n", serial_number_msb_val, serial_number_lsb_val);
break;
default:
printf("unknown argument '-%c %s'\n", opt, optarg);
usage();
return EXIT_FAILURE;
}
if( result != AIRSPY_SUCCESS ) {
printf("argument error: '-%c %s' %s (%d)\n", opt, optarg, airspy_error_name(result), result);
usage();
return EXIT_FAILURE;
}
}
result = airspy_init();
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_init() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
airspy_lib_version(&lib_version);
printf("airspy_lib_version: %d.%d.%d\n",
lib_version.major_version, lib_version.minor_version, lib_version.revision);
for (i = 0; i < AIRSPY_MAX_DEVICE; i++)
{
if(serial_number == true)
{
result = airspy_open_sn(&devices[i], serial_number_val);
}else
{
result = airspy_open(&devices[i]);
}
if (result != AIRSPY_SUCCESS)
{
if(i == 0)
{
fprintf(stderr, "airspy_open() board %d failed: %s (%d)\n",
i+1, airspy_error_name(result), result);
}
break;
}
}
for(i = 0; i < AIRSPY_MAX_DEVICE; i++)
{
if(devices[i] != NULL)
{
printf("\nFound AirSpy board %d\n", i + 1);
fflush(stdout);
result = airspy_board_id_read(devices[i], &board_id);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_board_id_read() failed: %s (%d)\n",
airspy_error_name(result), result);
continue;
}
printf("Board ID Number: %d (%s)\n", board_id,
airspy_board_id_name(board_id));
result = airspy_version_string_read(devices[i], &version[0], 255);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_version_string_read() failed: %s (%d)\n",
airspy_error_name(result), result);
continue;
}
printf("Firmware Version: %s\n", version);
result = airspy_board_partid_serialno_read(devices[i], &read_partid_serialno);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_board_partid_serialno_read() failed: %s (%d)\n",
airspy_error_name(result), result);
continue;
}
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%08X\n",
read_partid_serialno.serial_no[2],
read_partid_serialno.serial_no[3]);
printf("Supported sample rates:\n");
airspy_get_samplerates(devices[i], &count, 0);
samplerates = (uint32_t *) malloc(count * sizeof(uint32_t));
airspy_get_samplerates(devices[i], samplerates, count);
for (j = 0; j < count; j++)
{
printf("\t%f MSPS\n", samplerates[j] * 0.000001f);
}
free(samplerates);
printf("Close board %d\n", i+1);
result = airspy_close(devices[i]);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_close() board %d failed: %s (%d)\n",
i+1, airspy_error_name(result), result);
continue;
}
}
}
airspy_exit();
return EXIT_SUCCESS;
}
int main(int argc, char** argv)
{
int opt;
char path_file[PATH_FILE_MAX_LEN];
char date_time[DATE_TIME_MAX_LEN];
t_u64toa ascii_u64_data1;
t_u64toa ascii_u64_data2;
const char* path = NULL;
int result;
time_t rawtime;
struct tm * timeinfo;
uint32_t file_pos;
int exit_code = EXIT_SUCCESS;
struct timeval t_end;
float time_diff;
while( (opt = getopt(argc, argv, "wr:f:n:v:m:l:")) != EOF )
{
result = AIRSPY_SUCCESS;
switch( opt )
{
case 'w':
receive_wav = true;
break;
case 'r':
receive = true;
path = optarg;
break;
case 'f':
freq = true;
result = parse_u64(optarg, &freq_hz);
break;
case 'v':
result = parse_u32(optarg, &vga_gain);
break;
case 'l':
result = parse_u32(optarg, &lna_gain);
break;
case 'm':
result = parse_u32(optarg, &mixer_gain);
break;
case 'n':
limit_num_samples = true;
result = parse_u64(optarg, &samples_to_xfer);
bytes_to_xfer = samples_to_xfer * 2;
break;
default:
printf("unknown argument '-%c %s'\n", opt, optarg);
usage();
return EXIT_FAILURE;
}
if( result != AIRSPY_SUCCESS ) {
printf("argument error: '-%c %s' %s (%d)\n", opt, optarg, airspy_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 %s/%sMio\n",
u64toa(SAMPLES_TO_XFER_MAX, &ascii_u64_data1), u64toa(SAMPLES_TO_XFER_MAX/(FREQ_ONE_MHZ), &ascii_u64_data2) );
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 [%s, %s[.\n", u64toa(FREQ_MIN_HZ, &ascii_u64_data1), u64toa(FREQ_MAX_HZ, &ascii_u64_data2));
usage();
return EXIT_FAILURE;
}
}else
{
/* Use default freq */
freq_hz = DEFAULT_FREQ_HZ;
}
receiver_mode = RECEIVER_MODE_RX;
if( receive_wav )
{
time (&rawtime);
timeinfo = localtime (&rawtime);
receiver_mode = RECEIVER_MODE_RX;
/* File format AirSpy 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, "AirSpy_%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 receive\n");
usage();
return EXIT_FAILURE;
}
if(vga_gain > MAX_VGA_GAIN) {
printf("vga_gain out of range\n");
usage();
return EXIT_FAILURE;
}
if(mixer_gain > MAX_MIXER_GAIN) {
printf("mixer_gain out of range\n");
usage();
return EXIT_FAILURE;
}
if(lna_gain > MAX_LNA_GAIN) {
printf("lna_gain out of range\n");
usage();
return EXIT_FAILURE;
}
result = airspy_init();
if( result != AIRSPY_SUCCESS ) {
printf("airspy_init() failed: %s (%d)\n", airspy_error_name(result), result);
usage();
return EXIT_FAILURE;
}
result = airspy_open(&device);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_open() failed: %s (%d)\n", airspy_error_name(result), result);
usage();
return EXIT_FAILURE;
}
result = airspy_set_sample_type(device, sample_type);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_open() failed: %s (%d)\n", airspy_error_name(result), result);
usage();
return EXIT_FAILURE;
}
fd = fopen(path, "wb");
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 airspy_set_vga_gain(%u)\n", vga_gain);
result = airspy_set_vga_gain(device, vga_gain);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_set_vga_gain() failed: %s (%d)\n", airspy_error_name(result), result);
//usage();
//return EXIT_FAILURE;
}
printf("call airspy_set_mixer_gain(%u)\n", mixer_gain);
result = airspy_set_mixer_gain(device, mixer_gain);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_set_mixer_gain() failed: %s (%d)\n", airspy_error_name(result), result);
//usage();
//return EXIT_FAILURE;
}
printf("call airspy_set_lna_gain(%u)\n", lna_gain);
result = airspy_set_lna_gain(device, lna_gain);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_set_lna_gain() failed: %s (%d)\n", airspy_error_name(result), result);
//usage();
//return EXIT_FAILURE;
}
result = airspy_start_rx(device, rx_callback, NULL);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_start_rx() failed: %s (%d)\n", airspy_error_name(result), result);
usage();
return EXIT_FAILURE;
}
printf("call airspy_set_freq(%s Hz / %.03f MHz)\n", u64toa(freq_hz, &ascii_u64_data1),((double)freq_hz/(double)FREQ_ONE_MHZ) );
result = airspy_set_freq(device, freq_hz);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_set_freq() failed: %s (%d)\n", airspy_error_name(result), result);
usage();
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( (airspy_is_streaming(device) == AIRSPY_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 = airspy_is_streaming(device);
if (do_exit)
{
printf("\nUser cancel, exiting...\n");
} else {
printf("\nExiting... airspy_is_streaming() result: %s (%d)\n", airspy_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)
{
result = airspy_stop_rx(device);
if( result != AIRSPY_SUCCESS ) {
printf("airspy_stop_rx() failed: %s (%d)\n", airspy_error_name(result), result);
}else {
printf("airspy_stop_rx() done\n");
}
result = airspy_close(device);
if( result != AIRSPY_SUCCESS )
{
printf("airspy_close() failed: %s (%d)\n", airspy_error_name(result), result);
}else {
printf("airspy_close() done\n");
}
airspy_exit();
printf("airspy_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 = (uint32_t)DEFAULT_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;
}
int main(int argc, char** argv)
{
struct airspy_device* device = NULL;
int result = AIRSPY_SUCCESS;
uint8_t board_id = AIRSPY_BOARD_ID_INVALID;
result = airspy_init();
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_init() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
result = airspy_open(&device);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_open() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
printf("Found AirSpy board.\n");
result = airspy_board_id_read(device, &board_id);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_board_id_read() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
printf("Board ID Number: %d (%s)\n", board_id,
airspy_board_id_name(board_id));
result = airspy_version_string_read(device, &version[0], 255);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_version_string_read() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
printf("Firmware Version: %s\n", version);
result = airspy_board_partid_serialno_read(device, &read_partid_serialno);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_board_partid_serialno_read() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
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 = airspy_close(device);
if (result != AIRSPY_SUCCESS) {
fprintf(stderr, "airspy_close() failed: %s (%d)\n",
airspy_error_name(result), result);
return EXIT_FAILURE;
}
airspy_exit();
return EXIT_SUCCESS;
}
// Open Airspy device.
AirspySource::AirspySource(int dev_index) :
m_dev(0),
m_sampleRate(10000000),
m_frequency(100000000),
m_ppm(0),
m_lnaGain(8),
m_mixGain(8),
m_vgaGain(0),
m_biasAnt(false),
m_lnaAGC(false),
m_mixAGC(false),
m_running(false),
m_thread(0)
{
airspy_error rc = (airspy_error) airspy_init();
if (rc != AIRSPY_SUCCESS)
{
std::ostringstream err_ostr;
err_ostr << "Failed to open Airspy library (" << rc << ": " << airspy_error_name(rc) << ")";
m_error = err_ostr.str();
m_dev = 0;
}
else
{
for (int i = 0; i < AIRSPY_MAX_DEVICE; i++)
{
rc = (airspy_error) airspy_open(&m_dev);
if (rc == AIRSPY_SUCCESS)
{
if (i == dev_index)
{
break;
}
}
else
{
std::ostringstream err_ostr;
err_ostr << "Failed to open Airspy device at sequence " << i;
m_error = err_ostr.str();
m_dev = 0;
}
}
}
if (m_dev)
{
uint32_t nbSampleRates;
uint32_t *sampleRates;
airspy_get_samplerates(m_dev, &nbSampleRates, 0);
sampleRates = new uint32_t[nbSampleRates];
airspy_get_samplerates(m_dev, sampleRates, nbSampleRates);
if (nbSampleRates == 0)
{
m_error = "Failed to get Airspy device sample rate list";
airspy_close(m_dev);
m_dev = 0;
}
else
{
for (uint32_t i=0; i<nbSampleRates; i++)
{
m_srates.push_back(sampleRates[i]);
}
}
delete[] sampleRates;
std::ostringstream srates_ostr;
for (int s: m_srates) {
srates_ostr << s << " ";
}
m_sratesStr = srates_ostr.str();
rc = (airspy_error) airspy_set_sample_type(m_dev, AIRSPY_SAMPLE_INT16_IQ);
if (rc != AIRSPY_SUCCESS)
{
m_error = "AirspyInput::start: could not set sample type to INT16_IQ";
}
}
std::ostringstream lgains_ostr;
for (int g: m_lgains) {
lgains_ostr << g << " ";
}
m_lgainsStr = lgains_ostr.str();
std::ostringstream mgains_ostr;
for (int g: m_mgains) {
mgains_ostr << g << " ";
}
m_mgainsStr = mgains_ostr.str();
std::ostringstream vgains_ostr;
for (int g: m_vgains) {
vgains_ostr << g << " ";
}
m_vgainsStr = vgains_ostr.str();
std::ostringstream bwfilt_ostr;
bwfilt_ostr << std::fixed << std::setprecision(2);
m_this = this;
}
