double rf_blade_set_tx_gain(void *h, double gain)
{
int status;
rf_blade_handler_t *handler = (rf_blade_handler_t*) h;
status = bladerf_set_txvga2(handler->dev, (int) gain);
if (status != 0) {
fprintf(stderr, "Failed to set TX VGA2 gain: %s\n", bladerf_strerror(status));
return -1;
}
return rf_blade_get_tx_gain(h);
}
//! This gets called whenever a parameter is reconfigured
void BladeRfTxComponent::parameterHasChanged(std::string name)
{
try
{
if(name == "frequency") {
// Set center frequency
uint32_t actualValue;
int ret = bladerf_set_frequency(device_, BLADERF_MODULE_TX, frequency_x);
if (ret != 0) {
throw IrisException("Failed to set center frequency!");
}
bladerf_get_frequency(device_, BLADERF_MODULE_TX, &actualValue);
LOG(LINFO) << "Actual Tx center frequency is: " << actualValue << " Hz";
} else if(name == "rate") {
uint32_t actualValue;
int ret = bladerf_set_sample_rate(device_, BLADERF_MODULE_TX, (uint32_t)rate_x, &actualValue);
if (ret != 0) {
throw IrisException("Failed to set sample rate!");
}
LOG(LINFO) << "Actual Tx sample rate is: " << actualValue << " Hz";
} else if(name == "vga1gain") {
if (bladerf_set_txvga1(device_, vga1Gain_x) != 0) {
throw IrisException("Failed to set VGA1 gain!");
}
int actualGain;
bladerf_get_txvga1(device_, &actualGain);
LOG(LINFO) << "Actual VGA1 gain is " << actualGain << " dB";
} else if(name == "vga2gain") {
if (bladerf_set_txvga2(device_, vga2Gain_x) != 0) {
throw IrisException("Failed to set VGA2 gain!");
}
int actualGain;
bladerf_get_txvga2(device_, &actualGain);
LOG(LINFO) << "Actual VGA2 gain is " << actualGain << " dB";
}
}
catch(std::exception &e)
{
throw IrisException(e.what());
}
}
bool Bladerf1Output::applySettings(const BladeRF1OutputSettings& settings, bool force)
{
bool forwardChange = false;
bool suspendOwnThread = false;
bool threadWasRunning = false;
QList<QString> reverseAPIKeys;
// QMutexLocker mutexLocker(&m_mutex);
qDebug() << "BladerfOutput::applySettings: m_dev: " << m_dev;
if ((m_settings.m_centerFrequency != settings.m_centerFrequency) || force) {
reverseAPIKeys.append("centerFrequency");
}
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force) {
reverseAPIKeys.append("devSampleRate");
}
if ((m_settings.m_log2Interp != settings.m_log2Interp) || force) {
reverseAPIKeys.append("log2Interp");
}
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) ||
(m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
suspendOwnThread = true;
}
if (suspendOwnThread)
{
if (m_bladerfThread)
{
if (m_bladerfThread->isRunning())
{
m_bladerfThread->stopWork();
threadWasRunning = true;
}
}
}
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || (m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
int fifoSize;
if (settings.m_log2Interp >= 5)
{
fifoSize = DeviceBladeRF1Shared::m_sampleFifoMinSize32;
}
else
{
fifoSize = (std::max)(
(int) ((settings.m_devSampleRate/(1<<settings.m_log2Interp)) * DeviceBladeRF1Shared::m_sampleFifoLengthInSeconds),
DeviceBladeRF1Shared::m_sampleFifoMinSize);
}
m_sampleSourceFifo.resize(fifoSize);
}
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force)
{
forwardChange = true;
if (m_dev != 0)
{
unsigned int actualSamplerate;
if (bladerf_set_sample_rate(m_dev, BLADERF_MODULE_TX, settings.m_devSampleRate, &actualSamplerate) < 0) {
qCritical("BladerfOutput::applySettings: could not set sample rate: %d", settings.m_devSampleRate);
} else {
qDebug() << "BladerfOutput::applySettings: bladerf_set_sample_rate(BLADERF_MODULE_TX) actual sample rate is " << actualSamplerate;
}
}
}
if ((m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
forwardChange = true;
if (m_bladerfThread != 0)
{
m_bladerfThread->setLog2Interpolation(settings.m_log2Interp);
qDebug() << "BladerfOutput::applySettings: set interpolation to " << (1<<settings.m_log2Interp);
}
}
if ((m_settings.m_vga1 != settings.m_vga1) || force)
{
reverseAPIKeys.append("vga1");
if (m_dev != 0)
{
if (bladerf_set_txvga1(m_dev, settings.m_vga1) != 0) {
qDebug("BladerfOutput::applySettings: bladerf_set_txvga1() failed");
} else {
qDebug() << "BladerfOutput::applySettings: VGA1 gain set to " << settings.m_vga1;
}
}
}
if ((m_settings.m_vga2 != settings.m_vga2) || force)
{
reverseAPIKeys.append("vga2");
if(m_dev != 0)
{
if (bladerf_set_txvga2(m_dev, settings.m_vga2) != 0) {
qDebug("BladerfOutput::applySettings:bladerf_set_rxvga2() failed");
} else {
qDebug() << "BladerfOutput::applySettings: VGA2 gain set to " << settings.m_vga2;
}
}
}
if ((m_settings.m_xb200 != settings.m_xb200) || force)
{
reverseAPIKeys.append("xb200");
if (m_dev != 0)
{
bool changeSettings;
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
DeviceSourceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
if (buddy->getDeviceSourceEngine()->state() == DSPDeviceSourceEngine::StRunning) { // Tx side running
changeSettings = false;
} else {
changeSettings = true;
}
}
else // No Rx open
{
changeSettings = true;
}
if (changeSettings)
{
if (settings.m_xb200)
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_200) != 0) {
qDebug("BladerfOutput::applySettings: bladerf_expansion_attach(xb200) failed");
} else {
qDebug() << "BladerfOutput::applySettings: Attach XB200";
}
}
else
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_NONE) != 0) {
qDebug("BladerfOutput::applySettings: bladerf_expansion_attach(none) failed");
} else {
qDebug() << "BladerfOutput::applySettings: Detach XB200";
}
}
m_sharedParams.m_xb200Attached = settings.m_xb200;
}
}
}
if ((m_settings.m_xb200Path != settings.m_xb200Path) || force)
{
reverseAPIKeys.append("xb200Path");
if (m_dev != 0)
{
if (bladerf_xb200_set_path(m_dev, BLADERF_MODULE_TX, settings.m_xb200Path) != 0) {
qDebug("BladerfOutput::applySettings: bladerf_xb200_set_path(BLADERF_MODULE_TX) failed");
} else {
qDebug() << "BladerfOutput::applySettings: set xb200 path to " << settings.m_xb200Path;
}
}
}
if ((m_settings.m_xb200Filter != settings.m_xb200Filter) || force)
{
reverseAPIKeys.append("xb200Filter");
if (m_dev != 0)
{
if (bladerf_xb200_set_filterbank(m_dev, BLADERF_MODULE_TX, settings.m_xb200Filter) != 0) {
qDebug("BladerfOutput::applySettings: bladerf_xb200_set_filterbank(BLADERF_MODULE_TX) failed");
} else {
qDebug() << "BladerfOutput::applySettings: set xb200 filter to " << settings.m_xb200Filter;
}
}
}
if ((m_settings.m_bandwidth != settings.m_bandwidth) || force)
{
reverseAPIKeys.append("bandwidth");
if (m_dev != 0)
{
unsigned int actualBandwidth;
if (bladerf_set_bandwidth(m_dev, BLADERF_MODULE_TX, settings.m_bandwidth, &actualBandwidth) < 0) {
qCritical("BladerfOutput::applySettings: could not set bandwidth: %d", settings.m_bandwidth);
} else {
qDebug() << "BladerfOutput::applySettings: bladerf_set_bandwidth(BLADERF_MODULE_TX) actual bandwidth is " << actualBandwidth;
}
}
}
if (m_settings.m_centerFrequency != settings.m_centerFrequency)
{
forwardChange = true;
}
if (m_dev != 0)
{
if (bladerf_set_frequency( m_dev, BLADERF_MODULE_TX, settings.m_centerFrequency ) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_set_frequency(%lld) failed", settings.m_centerFrequency);
}
}
if (threadWasRunning)
{
m_bladerfThread->startWork();
}
if (settings.m_useReverseAPI)
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
(m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
(m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
(m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex);
webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
}
m_settings = settings;
if (forwardChange)
{
int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp);
DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
}
qDebug() << "BladerfOutput::applySettings: center freq: " << m_settings.m_centerFrequency << " Hz"
<< " device sample rate: " << m_settings.m_devSampleRate << "S/s"
<< " baseband sample rate: " << m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp) << "S/s"
<< " BW: " << m_settings.m_bandwidth << "Hz";
return true;
}
int main(int argc, char *argv[])
{
sim_t s;
char *devstr = NULL;
int c;
int result;
double duration;
datetime_t t0;
if (argc<3)
{
usage();
exit(1);
}
s.opt.navfile[0] = 0;
s.opt.umfile[0] = 0;
s.opt.g0.week = -1;
s.opt.g0.sec = 0.0;
s.opt.iduration = USER_MOTION_SIZE;
s.opt.verb = TRUE;
s.opt.nmeaGGA = FALSE;
s.opt.staticLocationMode = TRUE; // default user motion
s.opt.llh[0] = 35.274016 / R2D;
s.opt.llh[1] = 137.013765 / R2D;
s.opt.llh[2] = 100.0;
while ((result=getopt(argc,argv,"e:u:g:l:t:d:"))!=-1)
{
switch (result)
{
case 'e':
strcpy(s.opt.navfile, optarg);
break;
case 'u':
strcpy(s.opt.umfile, optarg);
s.opt.nmeaGGA = FALSE;
s.opt.staticLocationMode = FALSE;
break;
case 'g':
strcpy(s.opt.umfile, optarg);
s.opt.nmeaGGA = TRUE;
s.opt.staticLocationMode = FALSE;
break;
case 'l':
// Static geodetic coordinates input mode
// Added by [email protected]
s.opt.nmeaGGA = FALSE;
s.opt.staticLocationMode = TRUE;
sscanf(optarg,"%lf,%lf,%lf",&s.opt.llh[0],&s.opt.llh[1],&s.opt.llh[2]);
s.opt.llh[0] /= R2D; // convert to RAD
s.opt.llh[1] /= R2D; // convert to RAD
break;
case 't':
sscanf(optarg, "%d/%d/%d,%d:%d:%lf", &t0.y, &t0.m, &t0.d, &t0.hh, &t0.mm, &t0.sec);
if (t0.y<=1980 || t0.m<1 || t0.m>12 || t0.d<1 || t0.d>31 ||
t0.hh<0 || t0.hh>23 || t0.mm<0 || t0.mm>59 || t0.sec<0.0 || t0.sec>=60.0)
{
printf("ERROR: Invalid date and time.\n");
exit(1);
}
t0.sec = floor(t0.sec);
date2gps(&t0, &s.opt.g0);
break;
case 'd':
duration = atof(optarg);
if (duration<0.0 || duration>((double)USER_MOTION_SIZE)/10.0)
{
printf("ERROR: Invalid duration.\n");
exit(1);
}
s.opt.iduration = (int)(duration*10.0+0.5);
break;
case ':':
case '?':
usage();
exit(1);
default:
break;
}
}
if (s.opt.navfile[0]==0)
{
printf("ERROR: GPS ephemeris file is not specified.\n");
exit(1);
}
if (s.opt.umfile[0]==0 && !s.opt.staticLocationMode)
{
printf("ERROR: User motion file / NMEA GGA stream is not specified.\n");
printf("You may use -l to specify the static location directly.\n");
exit(1);
}
// Initialize simulator
init_sim(&s);
// Allocate TX buffer to hold each block of samples to transmit.
s.tx.buffer = (int16_t *)malloc(SAMPLES_PER_BUFFER * sizeof(int16_t) * 2); // for 16-bit I and Q samples
if (s.tx.buffer == NULL) {
fprintf(stderr, "Failed to allocate TX buffer.\n");
goto out;
}
// Allocate FIFOs to hold 0.1 seconds of I/Q samples each.
s.fifo = (int16_t *)malloc(FIFO_LENGTH * sizeof(int16_t) * 2); // for 16-bit I and Q samples
if (s.fifo == NULL) {
fprintf(stderr, "Failed to allocate I/Q sample buffer.\n");
goto out;
}
// Initializing device.
printf("Opening and initializing device...\n");
s.status = bladerf_open(&s.tx.dev, devstr);
if (s.status != 0) {
fprintf(stderr, "Failed to open device: %s\n", bladerf_strerror(s.status));
goto out;
}
s.status = bladerf_set_frequency(s.tx.dev, BLADERF_MODULE_TX, TX_FREQUENCY);
if (s.status != 0) {
fprintf(stderr, "Faield to set TX frequency: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX frequency: %u Hz\n", TX_FREQUENCY);
}
s.status = bladerf_set_sample_rate(s.tx.dev, BLADERF_MODULE_TX, TX_SAMPLERATE, NULL);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX sample rate: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX sample rate: %u sps\n", TX_SAMPLERATE);
}
s.status = bladerf_set_bandwidth(s.tx.dev, BLADERF_MODULE_TX, TX_BANDWIDTH, NULL);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX bandwidth: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX bandwidth: %u Hz\n", TX_BANDWIDTH);
}
s.status = bladerf_set_txvga1(s.tx.dev, TX_VGA1);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX VGA1 gain: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX VGA1 gain: %d dB\n", TX_VGA1);
}
s.status = bladerf_set_txvga2(s.tx.dev, TX_VGA2);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX VGA2 gain: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX VGA2 gain: %d dB\n", TX_VGA2);
}
// Start GPS task.
s.status = start_gps_task(&s);
if (s.status < 0) {
fprintf(stderr, "Failed to start GPS task.\n");
goto out;
}
else
printf("Creating GPS task...\n");
// Wait until GPS task is initialized
pthread_mutex_lock(&(s.tx.lock));
while (!s.gps.ready)
pthread_cond_wait(&(s.gps.initialization_done), &(s.tx.lock));
pthread_mutex_unlock(&(s.tx.lock));
// Fillfull the FIFO.
if (is_fifo_write_ready(&s))
pthread_cond_signal(&(s.fifo_write_ready));
// Configure the TX module for use with the synchronous interface.
s.status = bladerf_sync_config(s.tx.dev,
BLADERF_MODULE_TX,
BLADERF_FORMAT_SC16_Q11,
NUM_BUFFERS,
SAMPLES_PER_BUFFER,
NUM_TRANSFERS,
TIMEOUT_MS);
if (s.status != 0) {
fprintf(stderr, "Failed to configure TX sync interface: %s\n", bladerf_strerror(s.status));
goto out;
}
// We must always enable the modules *after* calling bladerf_sync_config().
s.status = bladerf_enable_module(s.tx.dev, BLADERF_MODULE_TX, true);
if (s.status != 0) {
fprintf(stderr, "Failed to enable TX module: %s\n", bladerf_strerror(s.status));
goto out;
}
// Start TX task
s.status = start_tx_task(&s);
if (s.status < 0) {
fprintf(stderr, "Failed to start TX task.\n");
goto out;
}
else
printf("Creating TX task...\n");
// Running...
printf("Running...\n");
printf("Press 'q' to exit.\n");
while (1) {
c = _getch();
if (c=='q')
break;
}
//
// TODO: Cleaning up the threads properly.
//
printf("\nDone!\n");
// Disable TX module, shutting down our underlying TX stream.
s.status = bladerf_enable_module(s.tx.dev, BLADERF_MODULE_TX, false);
if (s.status != 0) {
fprintf(stderr, "Failed to disable TX module: %s\n", bladerf_strerror(s.status));
}
out:
// Free up resources
if (s.tx.buffer != NULL)
free(s.tx.buffer);
if (s.fifo != NULL)
free(s.fifo);
printf("Closing device...\n");
bladerf_close(s.tx.dev);
return(0);
}
static inline int setup_device(struct test *t)
{
int status;
struct bladerf *dev = t->dev;
#if !DISABLE_RX_LOOPBACK
status = bladerf_set_loopback(dev, BLADERF_LB_BB_TXVGA1_RXVGA2);
if (status != 0) {
fprintf(stderr, "Failed to set loopback mode: %s\n",
bladerf_strerror(status));
return status;
}
#endif
status = bladerf_set_lna_gain(dev, BLADERF_LNA_GAIN_MAX);
if (status != 0) {
fprintf(stderr, "Failed to set LNA gain value: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_rxvga1(dev, 30);
if (status != 0) {
fprintf(stderr, "Failed to set RXVGA1 value: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_rxvga2(dev, 10);
if (status != 0) {
fprintf(stderr, "Failed to set RXVGA2 value: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_txvga1(dev, -10);
if (status != 0) {
fprintf(stderr, "Failed to set TXVGA1 value: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_txvga2(dev, BLADERF_TXVGA2_GAIN_MIN);
if (status != 0) {
fprintf(stderr, "Failed to set TXVGA2 value: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_sync_config(t->dev, BLADERF_MODULE_RX,
BLADERF_FORMAT_SC16_Q11_META,
t->params->num_buffers,
t->params->buf_size,
t->params->num_xfers,
t->params->timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to configure RX stream: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_enable_module(t->dev, BLADERF_MODULE_RX, true);
if (status != 0) {
fprintf(stderr, "Failed to enable RX module: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_sync_config(t->dev, BLADERF_MODULE_TX,
BLADERF_FORMAT_SC16_Q11_META,
t->params->num_buffers,
t->params->buf_size,
t->params->num_xfers,
t->params->timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to configure TX stream: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_enable_module(t->dev, BLADERF_MODULE_TX, true);
if (status != 0) {
fprintf(stderr, "Failed to enable RX module: %s\n",
bladerf_strerror(status));
return status;
}
return status;
}
/* Initialization and stuff
*/
int main(int argc, char **argv)
{
struct bladerf_devinfo *devs;
struct sigaction sigact;
struct devinfo_s device;
int show_help = false;
int n, ret;
char ch;
/* Set up default values, bandwidth and num_transfers
* are automatically calculated later */
device.device_id = DEFAULT_DEVICE_ID;
device.frequency = DEFAULT_FREQUENCY;
device.samplerate = DEFAULT_SAMPLERATE;
device.bandwidth = 0;
device.txvga1 = DEFAULT_TXVGA1;
device.txvga2 = DEFAULT_TXVGA2;
device.buffers.gain = DEFAULT_GAIN;
device.buffers.again = DEFAULT_AGAIN;
device.buffers.num_buffers = DEFAULT_BUFFERS;
device.buffers.num_samples = DEFAULT_SAMPLES;
device.buffers.num_transfers = 0;
device.buffers.pos = 0;
/* Evaluate command line options */
while((ch = getopt(argc, argv, "hd:f:r:b:g:G:a:m:n:s:t:")) != -1)
{
switch(ch)
{
case 'd':
device.device_id = optarg; break;
case 'f':
device.frequency = atoi(optarg); break;
case 'r':
device.samplerate = atoi(optarg); break;
case 'b':
device.bandwidth = atoi(optarg); break;
case 'g':
device.txvga1 = atoi(optarg); break;
case 'G':
device.txvga2 = atoi(optarg); break;
case 'm':
device.buffers.gain = atof(optarg); break;
case 'a':
device.buffers.again = atof(optarg); break;
case 'n':
device.buffers.num_buffers = atoi(optarg); break;
case 's':
device.buffers.num_samples = atoi(optarg); break;
case 't':
device.buffers.num_transfers = atoi(optarg); break;
case 'h':
default:
show_help = true;
}
}
/* Now calculate bandwidth and num_transfers if the user didn't
* configure them manually */
if(device.bandwidth == 0)
device.bandwidth = device.samplerate * 3 / 4;
if(device.buffers.num_transfers == 0)
device.buffers.num_transfers = device.buffers.num_buffers / 2;
if(show_help)
{
usage(argv[0], &device);
return EXIT_FAILURE;
}
argc -= optind;
argv += optind;
/* Allocate the float input buffer */
device.buffers.fbuf =
malloc(device.buffers.num_samples * 2 * sizeof(float));
/* Set up signal handler to enable clean shutdowns */
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);
/* Look for devices attached */
ret = bladerf_get_device_list(&devs);
if(ret < 1)
{
fprintf(stderr, "No devices found.\n");
return EXIT_FAILURE;
}
/* Print some information about all the devices */
for(n = 0; n < ret; n++)
{
fprintf(stderr,
"Serial:\t%s\n"
"USB bus:\t%i\n"
"USB address:\t%i\n"
"Instance:\t%i\n\n",
devs[n].serial,
devs[n].usb_bus,
devs[n].usb_addr,
devs[n].instance
);
}
/* the list is not needed any more */
bladerf_free_device_list(devs);
/* Open a device by given device string
*/
ret = bladerf_open(&device.dev, device.device_id);
if(ret != 0)
{
fprintf(stderr, "Error opening device %s: %s.\n",
device.device_id, bladerf_strerror(ret));
goto out0;
}
else
{
fprintf(stderr, "Device \"%s\" opened successfully.\n",
device.device_id);
}
/* Set the device parameters */
ret = bladerf_set_sample_rate(device.dev,
BLADERF_MODULE_TX, device.samplerate, &device.samplerate);
if(ret != 0)
{
fprintf(stderr, "Error setting sample rate to %i: %s.\n",
device.samplerate, bladerf_strerror(ret));
goto out1;
}
else
{
fprintf(stderr, "Actual sample rate is %i.\n",
device.samplerate);
}
ret = bladerf_set_frequency(device.dev,
BLADERF_MODULE_TX, device.frequency);
if(ret != 0)
{
fprintf(stderr, "Error setting frequency to %iHz: %s.\n",
device.frequency, bladerf_strerror(ret));
goto out1;
}
else
{
fprintf(stderr, "Frequency set to %iHz.\n", device.frequency);
}
ret = bladerf_set_txvga1(device.dev, device.txvga1);
if(ret != 0)
{
fprintf(stderr, "Error setting gain for txvga1: %s.\n",
bladerf_strerror(ret));
goto out1;
}
ret = bladerf_set_txvga2(device.dev, device.txvga2);
if(ret != 0)
{
fprintf(stderr, "Error setting gain for txvga2: %s.\n",
bladerf_strerror(ret));
goto out1;
}
ret = bladerf_set_bandwidth(device.dev,
BLADERF_MODULE_TX, device.bandwidth, &device.bandwidth);
if(ret != 0)
{
fprintf(stderr, "Error setting LPF bandwidth: %s.\n",
bladerf_strerror(ret));
goto out1;
}
else
{
fprintf(stderr, "Bandwidth set to %iHz.\n", device.bandwidth);
}
/* Set up the sample stream */
ret = bladerf_init_stream(&device.stream,
device.dev, stream_callback, &device.buffers.sbuf,
device.buffers.num_buffers, BLADERF_FORMAT_SC16_Q12,
device.buffers.num_samples, device.buffers.num_transfers,
&device.buffers);
if(ret != 0)
{
fprintf(stderr, "Failed setting up stream: %s.\n",
bladerf_strerror(ret));
goto out1;
}
/* Finally enable TX... */
ret = bladerf_enable_module(device.dev, BLADERF_MODULE_TX, true);
if(ret != 0)
{
fprintf(stderr, "Error enabling TX module: %s.\n",
bladerf_strerror(ret));
goto out1;
}
else
{
fprintf(stderr, "Successfully enabled TX module.\n");
}
/* ...and start the stream.
* Execution stops here until stream has finished. */
ret = bladerf_stream(device.stream, BLADERF_MODULE_TX);
if(ret != 0)
{
fprintf(stderr, "Failed starting stream: %s.\n",
bladerf_strerror(ret));
goto out2;
}
/* Cleanup the mess */
out2:
bladerf_deinit_stream(device.stream);
out1:
ret = bladerf_enable_module(device.dev, BLADERF_MODULE_TX, false);
if(ret != 0)
{
fprintf(stderr, "Error disabling TX module: %s.\n",
bladerf_strerror(ret));
}
else
{
fprintf(stderr, "Successfully disabled TX module.\n");
}
bladerf_close(device.dev);
fprintf(stderr, "Device closed.\n");
out0:
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
sim_t s;
char *devstr = NULL;
int c;
// Initialize structures
init_sim(&s);
// Allocate TX buffer to hold each block of samples to transmit.
s.tx.buffer = (int16_t *)malloc(SAMPLES_PER_BUFFER * sizeof(int16_t) * 2); // for 16-bit I and Q samples
if (s.tx.buffer == NULL) {
fprintf(stderr, "Failed to allocate TX buffer.\n");
goto out;
}
// Allocate FIFOs to hold 0.1 seconds of I/Q samples each.
s.fifo = (int16_t *)malloc(FIFO_LENGTH * sizeof(int16_t) * 2); // for 16-bit I and Q samples
if (s.fifo == NULL) {
fprintf(stderr, "Failed to allocate I/Q sample buffer.\n");
goto out;
}
// Initializing device.
printf("Opening and initializing device...\n");
s.status = bladerf_open(&s.tx.dev, devstr);
if (s.status != 0) {
fprintf(stderr, "Failed to open device: %s\n", bladerf_strerror(s.status));
goto out;
}
s.status = bladerf_set_frequency(s.tx.dev, BLADERF_MODULE_TX, TX_FREQUENCY);
if (s.status != 0) {
fprintf(stderr, "Faield to set TX frequency: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX frequency: %u Hz\n", TX_FREQUENCY);
}
s.status = bladerf_set_sample_rate(s.tx.dev, BLADERF_MODULE_TX, TX_SAMPLERATE, NULL);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX sample rate: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX sample rate: %u sps\n", TX_SAMPLERATE);
}
s.status = bladerf_set_bandwidth(s.tx.dev, BLADERF_MODULE_TX, TX_BANDWIDTH, NULL);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX bandwidth: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX bandwidth: %u Hz\n", TX_BANDWIDTH);
}
s.status = bladerf_set_txvga1(s.tx.dev, TX_VGA1);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX VGA1 gain: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX VGA1 gain: %d dB\n", TX_VGA1);
}
s.status = bladerf_set_txvga2(s.tx.dev, TX_VGA2);
if (s.status != 0) {
fprintf(stderr, "Failed to set TX VGA2 gain: %s\n", bladerf_strerror(s.status));
goto out;
}
else {
printf("TX VGA2 gain: %d dB\n", TX_VGA2);
}
// Start GPS task.
s.status = start_gps_task(&s);
if (s.status < 0) {
fprintf(stderr, "Failed to start GPS task.\n");
goto out;
}
else
printf("Creating GPS task...\n");
// Wait until GPS task is initialized
pthread_mutex_lock(&(s.tx.lock));
while (!s.gps.ready)
pthread_cond_wait(&(s.gps.initialization_done), &(s.tx.lock));
pthread_mutex_unlock(&(s.tx.lock));
// Fillfull the FIFO.
if (is_fifo_write_ready(&s))
pthread_cond_signal(&(s.fifo_write_ready));
// Configure the TX module for use with the synchronous interface.
s.status = bladerf_sync_config(s.tx.dev,
BLADERF_MODULE_TX,
BLADERF_FORMAT_SC16_Q11,
NUM_BUFFERS,
SAMPLES_PER_BUFFER,
NUM_TRANSFERS,
TIMEOUT_MS);
if (s.status != 0) {
fprintf(stderr, "Failed to configure TX sync interface: %s\n", bladerf_strerror(s.status));
goto out;
}
// We must always enable the modules *after* calling bladerf_sync_config().
s.status = bladerf_enable_module(s.tx.dev, BLADERF_MODULE_TX, true);
if (s.status != 0) {
fprintf(stderr, "Failed to enable TX module: %s\n", bladerf_strerror(s.status));
goto out;
}
// Start TX task
s.status = start_tx_task(&s);
if (s.status < 0) {
fprintf(stderr, "Failed to start TX task.\n");
goto out;
}
else
printf("Creating TX task...\n");
// Running...
printf("Running...\n");
printf("Press 'q' to exit.\n");
while (1) {
c = _getch();
if (c=='q')
break;
}
//
// TODO: Cleaning up the threads properly.
//
printf("\nDone!\n");
// Disable TX module, shutting down our underlying TX stream.
s.status = bladerf_enable_module(s.tx.dev, BLADERF_MODULE_TX, false);
if (s.status != 0) {
fprintf(stderr, "Failed to disable TX module: %s\n", bladerf_strerror(s.status));
}
out:
// Free up resources
if (s.tx.buffer != NULL)
free(s.tx.buffer);
if (s.fifo != NULL)
free(s.fifo);
printf("Closing device...\n");
bladerf_close(s.tx.dev);
return(0);
}
int configure_bladerf(struct bladerf** dev, struct bladerf_config* config)
{
unsigned int abw, asr;
int status;
setlocale(LC_NUMERIC, "");
printf("%-50s", "Connecting to device... ");
fflush(stdout);
status = bladerf_open(dev, NULL);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-50s", "Checking FPGA status... ");
fflush(stdout);
status = bladerf_is_fpga_configured(*dev);
if(status < 0) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
} else if(status == 0) {
printf(KRED "Failed: FPGA not loaded" KNRM "\n");
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'13uHz... ", "Tuning TX to:", config->tx_freq);
fflush(stdout);
status = bladerf_set_frequency(*dev, BLADERF_MODULE_TX, config->tx_freq);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'13uHz... ", "Tuning RX to:", config->rx_freq);
fflush(stdout);
status = bladerf_set_frequency(*dev, BLADERF_MODULE_RX, config->rx_freq);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'13uHz... ", "Setting TX bandwidth to:", config->tx_bw);
fflush(stdout);
status = bladerf_set_bandwidth(*dev, BLADERF_MODULE_TX,
config->tx_bw, &abw);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'13uHz\n", "Actual bandwidth:", abw);
if(abw != config->tx_bw) {
printf("Actual bandwidth not equal to desired bandwidth, quitting.\n");
return 1;
}
printf("%-30s %'13uHz... ", "Setting RX bandwidth to:", config->rx_bw);
fflush(stdout);
status = bladerf_set_bandwidth(*dev, BLADERF_MODULE_RX,
config->rx_bw, &abw);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'13uHz\n", "Actual bandwidth:", abw);
if(abw != config->rx_bw) {
printf("Actual bandwidth not equal to desired bandwidth, quitting.\n");
return 1;
}
printf("%-30s %'12usps... ", "Setting TX sampling rate to:",
config->tx_sr);
fflush(stdout);
status = bladerf_set_sample_rate(*dev, BLADERF_MODULE_TX,
config->tx_sr, &asr);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'12usps\n", "Actual sampling rate:", asr);
if(asr != config->tx_sr) {
printf("Actual sampling rate not equal to desired sampling rate, "
"quitting.\n");
return 1;
}
printf("%-30s %'12usps... ", "Setting RX sampling rate to:",
config->rx_sr);
fflush(stdout);
status = bladerf_set_sample_rate(*dev, BLADERF_MODULE_RX,
config->rx_sr, &asr);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %'12usps\n", "Actual sampling rate:", asr);
if(asr != config->rx_sr) {
printf("Actual sampling rate not equal to desired sampling rate, "
"quitting.\n");
return 1;
}
printf("%-30s %+13ddB... ", "Setting TXVGA1 gain to:", config->txvga1);
fflush(stdout);
status = bladerf_set_txvga1(*dev, config->txvga1);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %+13ddB... ", "Setting TXVGA2 gain to:", config->txvga2);
fflush(stdout);
status = bladerf_set_txvga2(*dev, config->txvga2);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %+13ddB... ", "Setting RXVGA1 gain to:", config->rxvga1);
fflush(stdout);
status = bladerf_set_rxvga1(*dev, config->rxvga1);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %+13ddB... ", "Setting RXVGA2 gain to:", config->rxvga2);
fflush(stdout);
status = bladerf_set_rxvga2(*dev, config->rxvga2);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("%-30s %15d... ", "Setting LNA gain to:", config->lna);
fflush(stdout);
status = bladerf_set_lna_gain(*dev, config->lna);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(*dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
printf("All set up.\n");
return 0;
}
/**
* Configure RX/TX module
*/
static int radio_configure_module(struct bladerf *dev, struct module_config *c)
{
int status;
status = bladerf_set_frequency(dev, c->module, c->frequency);
if (status != 0) {
fprintf(stderr, "Failed to set frequency = %u: %s\n",
c->frequency, bladerf_strerror(status));
return status;
}
status = bladerf_set_sample_rate(dev, c->module, c->samplerate, NULL);
if (status != 0) {
fprintf(stderr, "Failed to set samplerate = %u: %s\n",
c->samplerate, bladerf_strerror(status));
return status;
}
status = bladerf_set_bandwidth(dev, c->module, c->bandwidth, NULL);
if (status != 0) {
fprintf(stderr, "Failed to set bandwidth = %u: %s\n",
c->bandwidth, bladerf_strerror(status));
return status;
}
switch (c->module) {
case BLADERF_MODULE_RX:
/* Configure the gains of the RX LNA, RX VGA1, and RX VGA2 */
status = bladerf_set_lna_gain(dev, c->rx_lna);
if (status != 0) {
fprintf(stderr, "Failed to set RX LNA gain: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_rxvga1(dev, c->vga1);
if (status != 0) {
fprintf(stderr, "Failed to set RX VGA1 gain: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_rxvga2(dev, c->vga2);
if (status != 0) {
fprintf(stderr, "Failed to set RX VGA2 gain: %s\n",
bladerf_strerror(status));
return status;
}
break;
case BLADERF_MODULE_TX:
/* Configure the TX VGA1 and TX VGA2 gains */
status = bladerf_set_txvga1(dev, c->vga1);
if (status != 0) {
fprintf(stderr, "Failed to set TX VGA1 gain: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_set_txvga2(dev, c->vga2);
if (status != 0) {
fprintf(stderr, "Failed to set TX VGA2 gain: %s\n",
bladerf_strerror(status));
return status;
}
break;
default:
status = BLADERF_ERR_INVAL;
fprintf(stderr, "%s: Invalid module specified (%d)\n",
__FUNCTION__, c->module);
}
return status;
}
//! Do any initialization required
void BladeRfTxComponent::initialize()
{
// Set up the input DataBuffer
inBuf_ = castToType< complex<float> >(inputBuffers.at(0));
// Initialize raw sample vector to some multiple of block size
rawSampleBuffer_.data.resize(128 * BLADERF_SAMPLE_BLOCK_SIZE);
// Set up the BladeRF
try
{
// Create the device
LOG(LINFO) << "Trying to open device " << deviceName_x;
int ret = bladerf_open(&device_, deviceName_x.c_str());
if (ret != 0) {
throw IrisException("Failed to open bladeRF device!");
}
// Check whether FPGA is configured yet
if (bladerf_is_fpga_configured(device_) != 1 ) {
// try to load FPGA image
if (not fpgaImage_x.empty()) {
ret = bladerf_load_fpga(device_, fpgaImage_x.c_str());
if (ret != 0) {
throw IrisException("Failed to load FPGA to bladeRF!");
} else {
LOG(LINFO) << "FPGA image successfully loaded.";
}
} else {
throw IrisException("BladeRF FPGA is not configured and no FPGA image given!");
}
}
// Print some information about device
struct bladerf_version version;
if (bladerf_fw_version(device_, &version) == 0) {
LOG(LINFO) << "Using FW " << version.describe;
}
if (bladerf_fpga_version(device_, &version) == 0) {
LOG(LINFO) << "Using FPGA " << version.describe;
}
if (bladerf_is_fpga_configured(device_) != 1 ) {
throw IrisException("BladeRF FPGA is not configured!");
}
// setting up sync config
ret = bladerf_sync_config(device_,
BLADERF_MODULE_TX,
BLADERF_FORMAT_SC16_Q11,
BLADERF_DEFAULT_STREAM_BUFFERS,
BLADERF_DEFAULT_STREAM_SAMPLES,
BLADERF_DEFAULT_STREAM_XFERS,
BLADERF_SYNC_TIMEOUT_MS);
if (ret != 0) {
throw IrisException("Couldn't enable BladeRF Tx sync handle!");
LOG(LERROR) << bladerf_strerror(ret);
}
// Turn on transmitter
ret = bladerf_enable_module(device_, BLADERF_MODULE_TX, true);
if ( ret != 0 ) {
throw IrisException("Couldn't enable BladeRF Tx module!");
}
// Set sample rate
uint32_t actualValue;
ret = bladerf_set_sample_rate(device_, BLADERF_MODULE_TX, (uint32_t)rate_x, &actualValue);
if (ret != 0) {
throw IrisException("Failed to set sample rate!");
}
LOG(LINFO) << "Actual Tx sample rate is: " << actualValue << " Hz";
// Set center frequency
ret = bladerf_set_frequency(device_, BLADERF_MODULE_TX, frequency_x);
if (ret != 0) {
throw IrisException("Failed to set center frequency!");
}
bladerf_get_frequency(device_, BLADERF_MODULE_TX, &actualValue);
LOG(LINFO) << "Actual Tx center frequency is: " << actualValue << " Hz";
// Set bandwidth
ret = bladerf_set_bandwidth(device_, BLADERF_MODULE_TX, bw_x, &actualValue);
if (ret != 0) {
throw IrisException("Failed to set receive bandwidth!");
}
LOG(LINFO) << "Actual Tx bandwidth is " << actualValue << " Hz";
// Set VGA1 gain
int actualGain;
ret = bladerf_set_txvga1(device_, vga1Gain_x);
if (ret != 0) {
throw IrisException("Failed to set VGA1 gain!");
}
bladerf_get_txvga1(device_, &actualGain);
LOG(LINFO) << "Actual VGA1 gain is " << actualGain << " dB";
// Set VGA2 gain
ret = bladerf_set_txvga2(device_, vga2Gain_x);
if (ret != 0) {
throw IrisException("Failed to set VGA2 gain!");
}
bladerf_get_txvga2(device_, &actualGain);
LOG(LINFO) << "Actual VGA2 gain is " << actualGain << " dB";
}
catch(const boost::exception &e)
{
throw IrisException(boost::diagnostic_information(e));
}
catch(std::exception& e)
{
throw IrisException(e.what());
}
}
static int repeater_handle_key(struct repeater *repeater, char key)
{
int status = 0;
switch (key) {
case KEY_DEC_TXVGA1:
if (repeater->gain_txvga1 > GAIN_TXVGA1_MIN) {
status = bladerf_set_txvga1(repeater->device,
--repeater->gain_txvga1);
if (status < 0) {
repeater->gain_txvga1++;
fprintf(stderr, "Failed to increase TXVGA1 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("TXVGA1 gain decreased to: %d\r\n",
repeater->gain_txvga1);
}
}
break;
case KEY_INC_TXVGA1:
if (repeater->gain_txvga1 < GAIN_TXVGA1_MAX) {
status = bladerf_set_txvga1(repeater->device,
++repeater->gain_txvga1);
if (status < 0) {
repeater->gain_txvga1--;
fprintf(stderr, "Failed to increase TXVGA1 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("TXVGA1 gain increased to: %d\r\n",
repeater->gain_txvga1);
}
}
break;
case KEY_DEC_TXVGA2:
if (repeater->gain_txvga2 > GAIN_TXVGA2_MIN) {
status = bladerf_set_txvga2(repeater->device,
--repeater->gain_txvga2);
if (status < 0) {
repeater->gain_txvga2++;
fprintf(stderr, "Failed to decrease TXVGA2 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("TXVGA2 gain decreased to: %d\r\n",
repeater->gain_txvga2);
}
}
break;
case KEY_INC_TXVGA2:
if (repeater->gain_txvga2 < GAIN_TXVGA2_MAX) {
status = bladerf_set_txvga2(repeater->device,
++repeater->gain_txvga2);
if (status < 0) {
repeater->gain_txvga2--;
fprintf(stderr, "Failed to increase TXVGA2 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("TXVGA2 gain increased to: %d\r\n",
repeater->gain_txvga2);
}
}
break;
case KEY_DEC_RXVGA1:
if (repeater->gain_rxvga1 > GAIN_RXVGA1_MIN) {
status = bladerf_set_rxvga1(repeater->device,
--repeater->gain_rxvga1);
if (status < 0) {
repeater->gain_rxvga1++;
fprintf(stderr, "Failed to decrease RXVGA1 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("RXVGA1 gain decreased to %d\r\n",
repeater->gain_rxvga1);
}
}
break;
case KEY_INC_RXVGA1:
if (repeater->gain_rxvga1 < GAIN_RXVGA1_MAX) {
status = bladerf_set_rxvga1(repeater->device,
++repeater->gain_rxvga1);
if (status < 0) {
repeater->gain_rxvga1--;
fprintf(stderr, "Failed to increase RXVGA1 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("RXVGA1 gain increased to %d\r\n",
repeater->gain_rxvga1);
}
}
break;
case KEY_DEC_RXVGA2:
if (repeater->gain_rxvga2 > GAIN_RXVGA2_MIN) {
status = bladerf_set_rxvga2(repeater->device,
--repeater->gain_rxvga2);
if (status < 0) {
repeater->gain_rxvga2++;
fprintf(stderr, "Failed to decrease RXVGA2 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("RXVGA2 gain decreased to %d\r\n",
repeater->gain_rxvga2);
}
}
break;
case KEY_INC_RXVGA2:
if (repeater->gain_rxvga2 < GAIN_RXVGA2_MAX)
{
status = bladerf_set_rxvga2(repeater->device,
++repeater->gain_rxvga2);
if (status < 0) {
repeater->gain_rxvga2--;
fprintf(stderr, "Failed to increase RXVGA2 gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("RXVGA2 gain increased to %d\r\n",
repeater->gain_rxvga2);
}
}
break;
case KEY_DEC_LNAGAIN:
if (repeater->gain_lna > BLADERF_LNA_GAIN_BYPASS)
{
status = bladerf_set_lna_gain(repeater->device,
--repeater->gain_lna);
if (status < 0) {
repeater->gain_lna++;
fprintf(stderr, "Failed to decrease LNA gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("LNA gain decreased to %s\r\n",
lnagain2str(repeater->gain_lna));
}
}
break;
case KEY_INC_LNAGAIN:
if (repeater->gain_lna < BLADERF_LNA_GAIN_MAX)
{
status = bladerf_set_lna_gain(repeater->device,
++repeater->gain_lna);
if (status < 0) {
repeater->gain_lna--;
fprintf(stderr, "Failed to increase LNA gain: %s\r\n",
bladerf_strerror(status));
} else {
printf("LNA gain increased to %s\r\n",
lnagain2str(repeater->gain_lna));
}
}
break;
case KEY_HELP:
repeater_help();
break;
default:
break;
}
return status;
}
