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;
}
/* ======================================================================== */
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);
}
}
char *
interpret(char *str)
{
char **s, **sp;
char sep[3];
int result;
unsigned int gain;
sep[0] = ' ';
sep[1] = '\n';
sep[2] = 0;
s = split(sep, str);
sp = s;
//printf("search: '%s'\n", *sp);
if (!strcmp(*sp, "set")) {
sp++;
if (!strcmp(*sp, "freq")) {
double newfreq;
sp++;
printf("set freq %s\n", *sp);
strncpy(saved_freq, *sp, 32);
newfreq = atof(*sp);
newfreq *= 1000000;
if( (newfreq > FREQ_MAX_HZ) || (newfreq < FREQ_MIN_HZ) ) {
printf("argument error: freq shall be between %lld and %lld.\n",
FREQ_MIN_HZ, FREQ_MAX_HZ);
return("error");
}
printf("call hackrf_set_freq(%f Hz/%.03f MHz)\n",
newfreq,((double)newfreq/(double)FREQ_ONE_MHZ) );
result = hackrf_set_freq(device, newfreq);
if( result != HACKRF_SUCCESS ) {
printf("hackrf_set_freq() failed: %s (%d)\n", hackrf_error_name(result), result);
return("hackrf error");
}
return("ok");
} else if (!strcmp(*sp, "ptt")) {
sp++;
/* set PTT */
printf("set ptt %s\n", *sp);
if (!strcmp(*sp, "on")) {
result = hackrf_stop_rx(device);
printf("hackrf_stop_rx = %s\n", (result == HACKRF_SUCCESS?"ok":"error"));
result = hackrf_stop_tx(device);
do_exit = 0;
result |= hackrf_start_tx(device, tx_callback, NULL);
} else { /* everything else is off */
result = hackrf_stop_tx(device);
printf("hackrf_stop_tx = %s\n", (result == HACKRF_SUCCESS?"ok":"error"));
result = hackrf_stop_rx(device);
do_exit = 0;
result |= hackrf_start_rx(device, rx_callback, NULL);
}
printf("set ptt %s = %s\n", *sp, (result == HACKRF_SUCCESS?"ok":"error"));
return(result == HACKRF_SUCCESS?"ok":"error");
} else if (!strcmp(*sp, "preamp")) {
sp++;
result = parse_u32(*sp, &gain);
result = hackrf_set_amp_enable(device, (uint8_t)gain);
return(result == HACKRF_SUCCESS?"ok":"error");
} else if (!strcmp(*sp, "lna_gain")) {
sp++;
result = parse_u32(*sp, &gain);
result |= hackrf_set_lna_gain(device, gain);
return(result == HACKRF_SUCCESS?"ok":"error");
} else if (!strcmp(*sp, "vga_gain")) {
sp++;
result = parse_u32(*sp, &gain);
result |= hackrf_set_vga_gain(device, gain);
return(result == HACKRF_SUCCESS?"ok":"error");
} else if (!strcmp(*sp, "txvga_gain")) {
sp++;
result = parse_u32(*sp, &gain);
result |= hackrf_set_txvga_gain(device, gain);
return(result == HACKRF_SUCCESS?"ok":"error");
} else if (!strcmp(*sp, "bbfilter")) {
sp++;
result = parse_u32(*sp, &gain);
gain = hackrf_compute_baseband_filter_bw(gain);
//if (baseband_filter_bw_hz > BASEBAND_FILTER_BW_MAX) {
//if (baseband_filter_bw_hz < BASEBAND_FILTER_BW_MIN) {
printf("call hackrf_baseband_filter_bandwidth_set(%d Hz/%.03f MHz)\n",
gain, ((float)gain/(float)FREQ_ONE_MHZ));
result |= hackrf_set_baseband_filter_bandwidth(device, gain);
return(result == HACKRF_SUCCESS?"ok":"error");
}
return("error");
} else if (!strcmp(*sp, "get")) {
sp++;
if (!strcmp(*sp, "freq")) {
printf("getfreq %s\n", saved_freq);
return(saved_freq);
}
return("error");
} else if (!strcmp(*sp, "quit")) {
request_exit = true;
return("ok");
}
return("error");
}
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 ;
}
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;
}
