int enable(struct bladerf* dev, bool enabled)
{
int status;
if(enabled)
printf("%-50s", "Enabling TX... ");
else
printf("%-50s", "Disabling TX... ");
fflush(stdout);
status = bladerf_enable_module(dev, BLADERF_MODULE_TX, enabled);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
if(enabled)
printf("%-50s", "Enabling RX... ");
else
printf("%-50s", "Disabling RX... ");
fflush(stdout);
status = bladerf_enable_module(dev, BLADERF_MODULE_RX, enabled);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(dev);
return 1;
}
printf(KGRN "OK" KNRM "\n");
return 0;
}
static int set_and_check_paths(struct bladerf *dev,
bladerf_module m,
bladerf_xb200_path p)
{
int status;
bladerf_xb200_path readback;
status = bladerf_xb200_set_path(dev, m, p);
if (status != 0) {
PR_ERROR("Failed to set XB-200 path: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_xb200_get_path(dev, m, &readback);
if (status != 0) {
PR_ERROR("Failed to set XB-200 path: %s\n",
bladerf_strerror(status));
return status;
}
if (p != readback) {
PR_ERROR("Path mismatch -- path=%d, readback=%d\n", p, readback);
return -1;
}
return 0;
}
/** [configure_channel] */
int configure_channel(struct bladerf *dev, struct channel_config *c)
{
int status;
status = bladerf_set_frequency(dev, c->channel, 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->channel, 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->channel, c->bandwidth, NULL);
if (status != 0) {
fprintf(stderr, "Failed to set bandwidth = %u: %s\n", c->bandwidth,
bladerf_strerror(status));
return status;
}
status = bladerf_set_gain(dev, c->channel, c->gain);
if (status != 0) {
fprintf(stderr, "Failed to set gain: %s\n", bladerf_strerror(status));
return status;
}
return status;
}
/**
* Initialize synchronous interface
*/
static int radio_init_sync(struct bladerf *dev)
{
int status;
const unsigned int num_buffers = 64;
const unsigned int buffer_size = SYNC_BUFFER_SIZE; /* Must be a multiple of 1024 */
const unsigned int num_transfers = 16;
const unsigned int timeout_ms = 3500;
/* Configure both the device's RX and TX modules for use with the synchronous
* interface. SC16 Q11 samples with metadata are used. */
status = bladerf_sync_config(dev,
BLADERF_MODULE_RX,
BLADERF_FORMAT_SC16_Q11_META,
num_buffers,
buffer_size,
num_transfers,
timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to configure RX sync interface: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_sync_config(dev,
BLADERF_MODULE_TX,
BLADERF_FORMAT_SC16_Q11_META,
num_buffers,
buffer_size,
num_transfers,
timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to configure TX sync interface: %s\n",
bladerf_strerror(status));
}
return status;
}
static int set_and_check_rational(struct bladerf *dev, bladerf_module m,
struct bladerf_rational_rate *rate)
{
int status;
struct bladerf_rational_rate actual, readback;
status = bladerf_set_rational_sample_rate(dev, m, rate, &actual);
if (status != 0) {
PR_ERROR("Failed to set rational sample rate: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_get_rational_sample_rate(dev, m, &readback);
if (status != 0) {
PR_ERROR("Failed to read back rational sample rate: %s\n",
bladerf_strerror(status));
return status;
}
if (actual.integer != readback.integer ||
actual.num != readback.num ||
actual.den != readback.den ) {
PR_ERROR("Readback mismatch:\n"
" actual: int=%"PRIu64" num=%"PRIu64" den=%"PRIu64"\n"
" readback: int=%"PRIu64" num=%"PRIu64" den=%"PRIu64"\n",
actual.integer, actual.num, actual.den,
readback.integer, readback.num, readback.den);
return status;
}
return 0;
}
static int set_and_check(struct bladerf *dev, bladerf_module module,
bladerf_lpf_mode mode)
{
bladerf_lpf_mode readback;
int status;
status = bladerf_set_lpf_mode(dev, module, mode);
if (status != 0) {
PR_ERROR("Failed to set LPF mode: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_get_lpf_mode(dev, module, &readback);
if (status != 0) {
PR_ERROR("Failed to get LPF mode: %s\n",
bladerf_strerror(status));
/* Last ditch effor to restore normal configuration */
bladerf_set_lpf_mode(dev, module, BLADERF_LPF_NORMAL);
return status;
}
if (readback != mode) {
PR_ERROR("Readback failure -- value=%d, expected=%d\n",
readback, mode);
return -1;
}
return 0;
}
static int set_and_check(struct bladerf *dev, bladerf_module m,
unsigned int freq)
{
int status;
unsigned int readback;
status = bladerf_set_frequency(dev, m, freq);
if (status != 0) {
PR_ERROR("Failed to set frequency: %u Hz: %s\n", freq,
bladerf_strerror(status));
return status;
}
status = bladerf_get_frequency(dev, m, &readback);
if (status != 0) {
PR_ERROR("Failed to get frequency: %s\n",
bladerf_strerror(status));
return status;
}
if (!freq_match(freq, readback)) {
PR_ERROR("Frequency (%u) != Readback value (%u)\n",
freq, readback);
return -1;
}
return status;
}
double rf_blade_set_rx_srate(void *h, double freq)
{
uint32_t bw;
rf_blade_handler_t *handler = (rf_blade_handler_t*) h;
int status = bladerf_set_sample_rate(handler->dev, BLADERF_MODULE_RX, (uint32_t) freq, &handler->rx_rate);
if (status != 0) {
fprintf(stderr, "Failed to set samplerate = %u: %s\n", (uint32_t) freq, bladerf_strerror(status));
return -1;
}
if (handler->rx_rate < 2000000) {
status = bladerf_set_bandwidth(handler->dev, BLADERF_MODULE_RX, handler->rx_rate, &bw);
if (status != 0) {
fprintf(stderr, "Failed to set bandwidth = %u: %s\n", handler->rx_rate, bladerf_strerror(status));
return -1;
}
} else {
status = bladerf_set_bandwidth(handler->dev, BLADERF_MODULE_RX, handler->rx_rate*0.8, &bw);
if (status != 0) {
fprintf(stderr, "Failed to set bandwidth = %u: %s\n", handler->rx_rate, bladerf_strerror(status));
return -1;
}
}
printf("Set RX sampling rate %.2f Mhz, filter BW: %.2f Mhz\n", (float) handler->rx_rate/1e6, (float) bw/1e6);
return (double) handler->rx_rate;
}
/** [tx_meta_now] */
int sync_tx_meta_now_example(struct bladerf *dev, int16_t *samples,
unsigned int num_samples, unsigned int tx_count,
unsigned int timeout_ms)
{
int status = 0;
struct bladerf_metadata meta;
unsigned int i;
memset(&meta, 0, sizeof(meta));
/* Send entire burst worth of samples in one function call */
meta.flags = BLADERF_META_FLAG_TX_BURST_START |
BLADERF_META_FLAG_TX_NOW |
BLADERF_META_FLAG_TX_BURST_END;
for (i = 0; i < tx_count && status == 0; i++) {
/* Fetch or produce IQ samples...*/
produce_samples(samples, num_samples);
status = bladerf_sync_tx(dev, samples, num_samples, &meta, timeout_ms);
if (status != 0) {
fprintf(stderr, "TX failed: %s\n", bladerf_strerror(status));
} else {
uint64_t curr_ts;
status = bladerf_get_timestamp(dev, BLADERF_MODULE_TX, &curr_ts);
if (status != 0) {
fprintf(stderr, "Failed to get current TX timestamp: %s\n",
bladerf_strerror(status));
} else {
printf("TX'd at approximately t=%016"PRIu64"\n", curr_ts);
}
/* Delay next transmission by approximately 5 ms
*
* This is a very imprecise, "quick and dirty" means to do so in
* cases where no particular intra-burst time is required. */
usleep(5000);
}
}
/* Wait for samples to be TX'd before completing. */
if (status == 0) {
status = bladerf_get_timestamp(dev, BLADERF_MODULE_TX, &meta.timestamp);
if (status != 0) {
fprintf(stderr, "Failed to get current TX timestamp: %s\n",
bladerf_strerror(status));
return status;
} else {
status = wait_for_timestamp(dev, BLADERF_MODULE_TX,
meta.timestamp + 2 * num_samples,
timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to wait for timestamp.\n");
}
}
}
return status;
}
/* Buf is assumed to be NIOS_PKT_LEN bytes */
static int nios_access(struct bladerf *dev, uint8_t *buf)
{
int status;
void *driver;
struct bladerf_usb *usb = usb_backend(dev, &driver);
print_buf("NIOS II request:\n", buf, NIOS_PKT_LEN);
/* Send the command */
status = usb->fn->bulk_transfer(driver, PERIPHERAL_EP_OUT,
buf, NIOS_PKT_LEN,
PERIPHERAL_TIMEOUT_MS);
if (status != 0) {
log_debug("Failed to send NIOS II request: %s\n",
bladerf_strerror(status));
return status;
}
/* Retrieve the request */
status = usb->fn->bulk_transfer(driver, PERIPHERAL_EP_IN,
buf, NIOS_PKT_LEN,
PERIPHERAL_TIMEOUT_MS);
if (status != 0) {
log_debug("Failed to receive NIOS II response: %s\n",
bladerf_strerror(status));
}
print_buf("NIOS II response:\n", buf, NIOS_PKT_LEN);
return status;
}
static int set_and_check_filterbank(struct bladerf *dev,
bladerf_module m,
bladerf_xb200_filter f)
{
int status;
bladerf_xb200_filter readback;
status = bladerf_xb200_set_filterbank(dev, m, f);
if (status != 0) {
PR_ERROR("Failed to set XB-200 filter bank: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_xb200_get_filterbank(dev, m, &readback);
if (status != 0) {
PR_ERROR("Failed to read back filter bank: %s\n",
bladerf_strerror(status));
return status;
}
if (f != readback) {
PR_ERROR("Mismatch detected -- fiterbank=%d, readback=%d\n",
f, readback);
return -1;
}
return 0;
}
static int set_and_check(struct bladerf *dev, bladerf_module m,
unsigned int bandwidth)
{
int status;
unsigned int actual, readback;
status = bladerf_set_bandwidth(dev, m, bandwidth, &actual);
if (status != 0) {
PR_ERROR("Failed to set bandwidth: %s\n",
bladerf_strerror(status));
return status;
}
status = bladerf_get_bandwidth(dev, m, &readback);
if (status != 0) {
PR_ERROR("Failed to read back bandwidth: %s\n",
bladerf_strerror(status));
return status;
}
if (readback != actual) {
PR_ERROR("Unexpected bandwidth. requested=%u, actual=%u, readback=%u\n",
bandwidth, actual, readback);
return -1;
}
return 0;
}
int example(struct bladerf *dev, bladerf_channel ch)
{
/** [example] */
int status;
unsigned int i, j;
// clang-format off
const unsigned int frequencies[NUM_FREQUENCIES] = {
902000000,
903000000,
904000000,
925000000,
926000000,
927000000,
};
// clang-format on
struct bladerf_quick_tune quick_tunes[NUM_FREQUENCIES];
/* Get our quick tune parameters for each frequency we'll be using */
for (i = 0; i < NUM_FREQUENCIES; i++) {
status = bladerf_set_frequency(dev, ch, frequencies[i]);
if (status != 0) {
fprintf(stderr, "Failed to set frequency to %u Hz: %s\n",
frequencies[i], bladerf_strerror(status));
return status;
}
status = bladerf_get_quick_tune(dev, ch, &quick_tunes[i]);
if (status != 0) {
fprintf(stderr, "Failed to get quick tune for %u Hz: %s\n",
frequencies[i], bladerf_strerror(status));
return status;
}
}
for (i = j = 0; i < ITERATIONS; i++) {
/* Tune to the specified frequency immediately via BLADERF_RETUNE_NOW.
*
* Alternatively, this re-tune could be scheduled by providing a
* timestamp counter value */
status = bladerf_schedule_retune(dev, ch, BLADERF_RETUNE_NOW, 0,
&quick_tunes[j]);
if (status != 0) {
fprintf(stderr, "Failed to apply quick tune: %s\n",
bladerf_strerror(status));
return status;
}
j = (j + 1) % NUM_FREQUENCIES;
/* ... Handle signals at current frequency ... */
}
/** [example] */
return status;
}
/* Access device/module via the legacy NIOS II packet format. */
static int nios_access(struct bladerf *dev, uint8_t peripheral,
usb_direction dir, struct uart_cmd *cmd,
size_t len)
{
void *driver;
struct bladerf_usb *usb = usb_backend(dev, &driver);
int status;
size_t i;
uint8_t buf[16] = { 0 };
const uint8_t pkt_mode_dir = (dir == USB_DIR_HOST_TO_DEVICE) ?
NIOS_PKT_LEGACY_MODE_DIR_WRITE :
NIOS_PKT_LEGACY_MODE_DIR_READ;
assert(len <= ((sizeof(buf) - 2) / 2));
/* Populate the buffer for transfer, given address data pairs */
buf[0] = NIOS_PKT_LEGACY_MAGIC;
buf[1] = pkt_mode_dir | peripheral | (uint8_t)len;
for (i = 0; i < len; i++) {
buf[i * 2 + 2] = cmd[i].addr;
buf[i * 2 + 3] = cmd[i].data;
}
print_buf("NIOS II access request:\n", buf, 16);
/* Send the command */
status = usb->fn->bulk_transfer(driver, PERIPHERAL_EP_OUT,
buf, sizeof(buf),
PERIPHERAL_TIMEOUT_MS);
if (status != 0) {
log_debug("Failed to submit NIOS II request: %s\n",
bladerf_strerror(status));
return status;
}
/* Read back the ACK. The command data is only used for a read operation,
* and is thrown away otherwise */
status = usb->fn->bulk_transfer(driver, PERIPHERAL_EP_IN,
buf, sizeof(buf),
PERIPHERAL_TIMEOUT_MS);
if (dir == NIOS_PKT_LEGACY_MODE_DIR_READ && status == 0) {
for (i = 0; i < len; i++) {
cmd[i].data = buf[i * 2 + 3];
}
}
if (status == 0) {
print_buf("NIOS II access response:\n", buf, 16);
} else {
log_debug("Failed to receive NIOS II response: %s\n",
bladerf_strerror(status));
}
return status;
}
static int write_page(struct bladerf *dev, uint16_t page, const uint8_t *buf)
{
int status;
int32_t commit_status;
uint16_t offset;
uint16_t write_size;
void *driver;
struct bladerf_usb *usb = usb_backend(dev, &driver);
if (dev->usb_speed == BLADERF_DEVICE_SPEED_SUPER) {
write_size = BLADERF_FLASH_PAGE_SIZE;
} else if (dev->usb_speed == BLADERF_DEVICE_SPEED_HIGH) {
write_size = 64;
} else {
assert(!"BUG - unexpected device speed");
return BLADERF_ERR_UNEXPECTED;
}
/* Write the data to the firmware's page buffer.
* Casting away the buffer's const-ness here is gross, but this buffer
* will not be written to on an out transfer. */
for (offset = 0; offset < BLADERF_FLASH_PAGE_SIZE; offset += write_size) {
status = usb->fn->control_transfer(driver,
USB_TARGET_INTERFACE,
USB_REQUEST_VENDOR,
USB_DIR_HOST_TO_DEVICE,
BLADE_USB_CMD_WRITE_PAGE_BUFFER,
0,
offset,
(uint8_t*)&buf[offset],
write_size,
CTRL_TIMEOUT_MS);
if(status < 0) {
log_error("Failed to write page buffer at offset 0x%02x "
"for page %u: %s\n",
offset, page, bladerf_strerror(status));
return status;
}
}
/* Commit the page to flash */
status = vendor_cmd_int_windex(dev, BLADE_USB_CMD_FLASH_WRITE,
page, &commit_status);
if (status != 0) {
log_error("Failed to commit page %u: %s\n", page,
bladerf_strerror(status));
return status;
} else if (commit_status != 0) {
log_error("Failed to commit page %u, FW returned %d\n", page,
commit_status);
return BLADERF_ERR_UNEXPECTED;
}
return 0;
}
/** [tx_meta_sched] */
int sync_tx_meta_sched_example(struct bladerf *dev,
int16_t *samples, unsigned int num_samples,
unsigned int tx_count, unsigned int samplerate,
unsigned int timeout_ms)
{
int status = 0;
unsigned int i;
struct bladerf_metadata meta;
memset(&meta, 0, sizeof(meta));
/* Send entire burst worth of samples in one function call */
meta.flags = BLADERF_META_FLAG_TX_BURST_START |
BLADERF_META_FLAG_TX_BURST_END;
/* Retrieve the current timestamp so we can schedule our transmission
* in the future. */
status = bladerf_get_timestamp(dev, BLADERF_MODULE_TX, &meta.timestamp);
if (status != 0) {
fprintf(stderr, "Failed to get current TX timestamp: %s\n",
bladerf_strerror(status));
return status;
} else {
printf("Current TX timestamp: %016"PRIu64"\n", meta.timestamp);
}
for (i = 0; i < tx_count && status == 0; i++) {
/* Get sample to transmit... */
produce_samples(samples, num_samples);
/* Schedule burst 5 ms into the future */
meta.timestamp += samplerate / 200;
status = bladerf_sync_tx(dev, samples, num_samples, &meta, timeout_ms);
if (status != 0) {
fprintf(stderr, "TX failed: %s\n", bladerf_strerror(status));
return status;
} else {
printf("TX'd @ t=%016"PRIu64"\n", meta.timestamp);
}
}
/* Wait for samples to finish being transmitted. */
if (status == 0) {
meta.timestamp += 2 * num_samples;
status = wait_for_timestamp(dev, BLADERF_MODULE_TX,
meta.timestamp, timeout_ms);
if (status != 0) {
fprintf(stderr, "Failed to wait for timestamp.\n");
}
}
return status;
}
static int init_streams(struct repeater *repeater,
struct repeater_config *config)
{
int status;
/* TODO Until we can provide NULL to the init stream call to indicate that
* we want to use user-probveded buffers, we'll just allocate and not
* use some dummy buffers for TX */
void **dummy;
status = bladerf_init_stream(&repeater->rx_stream,
repeater->device,
rx_stream_callback,
&repeater->buf_mgmt.samples,
config->num_buffers,
BLADERF_FORMAT_SC16_Q12,
config->samples_per_buffer,
config->num_transfers,
repeater);
if (status < 0) {
fprintf(stderr, "Failed to initialize RX stream: %s\n",
bladerf_strerror(status));
return status;
} else {
repeater->buf_mgmt.rx_idx = 0;
}
status = bladerf_init_stream(&repeater->tx_stream,
repeater->device,
tx_stream_callback,
&dummy,
config->num_buffers,
BLADERF_FORMAT_SC16_Q12,
config->samples_per_buffer,
config->num_transfers,
repeater);
if (status < 0) {
fprintf(stderr, "Failed to initialize TX stream: %s\n",
bladerf_strerror(status));
return status;
} else {
repeater->buf_mgmt.tx_idx = 0;
}
repeater->buf_mgmt.num_buffers = config->num_buffers;
return 0;
}
int backend_probe(backend_probe_target probe_target,
struct bladerf_devinfo **devinfo_items, size_t *num_items)
{
int status;
int first_backend_error = 0;
struct bladerf_devinfo_list list;
size_t i;
const size_t n_backends = ARRAY_SIZE(backend_list);
*devinfo_items = NULL;
*num_items = 0;
status = bladerf_devinfo_list_init(&list);
if (status != 0) {
log_debug("Failed to initialize devinfo list: %s\n",
bladerf_strerror(status));
return status;
}
for (i = 0; i < n_backends; i++) {
status = backend_list[i]->probe(probe_target, &list);
if (status < 0 && status != BLADERF_ERR_NODEV) {
log_debug("Probe failed on backend %d: %s\n",
i, bladerf_strerror(status));
if (!first_backend_error) {
first_backend_error = status;
}
}
}
*num_items = list.num_elt;
if (*num_items != 0) {
*devinfo_items = list.elt;
} else {
/* For no items, we end up passing back a NULL list to the
* API caller, so we'll just free this up now */
free(list.elt);
/* Report the first error that occurred if we couldn't find anything */
status =
first_backend_error == 0 ? BLADERF_ERR_NODEV : first_backend_error;
}
return status;
}
int setup_tx_stream(struct bladerf* dev, struct bladerf_stream** stream,
struct bladerf_stream_data* stream_data)
{
int status;
stream_data->next_buffer = 0;
stream_data->module = BLADERF_MODULE_TX;
printf("%-50s", "Initialising TX data stream... ");
fflush(stdout);
status = bladerf_init_stream(stream, dev, stream_cb,
&stream_data->buffers,
stream_data->num_buffers,
BLADERF_FORMAT_SC16_Q12,
stream_data->samples_per_buffer,
stream_data->num_transfers, stream_data);
if(status) {
printf(KRED "Failed: %s" KNRM "\n", bladerf_strerror(status));
bladerf_close(dev);
return 1;
}
fill_tx_buffers(stream_data);
printf(KGRN "OK" KNRM "\n");
return 0;
}
static inline int verify_flash(struct bladerf *dev, uint8_t *readback_buf,
uint8_t *image, uint32_t page, uint32_t count)
{
int status = 0;
size_t i;
const size_t len = count * BLADERF_FLASH_PAGE_SIZE;
log_info("Verifying %u pages, starting at page %u\n", count, page);
status = flash_read(dev, readback_buf, page, count);
if (status < 0) {
log_debug("Failed to read from flash: %s\n", bladerf_strerror(status));
return status;
}
for (i = 0; i < len; i++) {
if (image[i] != readback_buf[i]) {
status = BLADERF_ERR_UNEXPECTED;
log_info("Flash verification failed at byte %llu. "
"Read %02x, expected %02x\n",
i, readback_buf[i], image[i]);
break;
}
}
return status;
}
void rxtx_print_error(struct rxtx_data *rxtx,
const char *prefix, const char *suffix)
{
enum error_type type;
int val;
get_last_error(&rxtx->last_error, &type, &val);
if (val != 0) {
switch (type) {
case ETYPE_ERRNO:
printf("%s%s%s", prefix, strerror(val), suffix);
break;
case ETYPE_CLI:
printf("%s%s%s", prefix, cmd_strerror(val, 0), suffix);
break;
case ETYPE_BLADERF:
printf("%s%s%s", prefix, bladerf_strerror(val), suffix);
break;
default:
printf("%sBUG: Unexpected status=%d%s", prefix, val, suffix);
}
} else {
printf("%sNone%s", prefix, suffix);
}
}
static int usb_erase_flash_blocks(struct bladerf *dev,
uint32_t eb, uint16_t count)
{
int status, restore_status;
uint16_t i;
status = change_setting(dev, USB_IF_SPI_FLASH);
if (status != 0) {
return status;
}
log_info("Erasing %u blocks starting at block %u\n", count, eb);
for (i = 0; i < count; i++) {
status = perform_erase(dev, eb + i);
if (status == 0) {
log_info("Erased block %u%c", eb + i, (i+1) == count ? '\n':'\r' );
} else {
log_debug("Failed to erase block %u: %s\n",
eb + i, bladerf_strerror(status));
goto error;
}
}
log_info("Done erasing %u blocks\n", count);
error:
restore_status = restore_post_flash_setting(dev);
return status != 0 ? status : restore_status;
}
void BladeRfTxComponent::process()
{
//Get a DataSet from the input DataBuffer
DataSet< complex<float> >* readDataSet = NULL;
inBuf_->getReadData(readDataSet);
// Check if we have to append dummy frames, samps must be multiple of 1024
size_t size = readDataSet->data.size();
if (size % BLADERF_SAMPLE_BLOCK_SIZE != 0) {
int num_samps_to_append = BLADERF_SAMPLE_BLOCK_SIZE - (size % BLADERF_SAMPLE_BLOCK_SIZE);
std::vector<std::complex<float> > samples(num_samps_to_append, std::complex<float>(0.0, 0.0));
readDataSet->data.insert(readDataSet->data.end(), samples.begin(), samples.end());
size += num_samps_to_append;
}
// Adjust raw buffer if needed
if (rawSampleBuffer_.data.capacity() < size) rawSampleBuffer_.data.resize(size);
// convert samples to bladeRF format
for (int i = 0; i < size; i++) {
rawSampleBuffer_.data[i].real(0xa000 | (int16_t)((readDataSet->data[i].real()) * 2000));
rawSampleBuffer_.data[i].imag(0x5000 | (int16_t)((readDataSet->data[i].imag()) * 2000));
}
// Write samples to device
int ret = bladerf_sync_tx(device_, &(rawSampleBuffer_.data.front()), size, NULL, BLADERF_SYNC_TIMEOUT_MS);
if (ret != 0) {
throw IrisException("Failed to send samples to device!");
LOG(LERROR) << bladerf_strerror(ret);
}
//Release the DataSet
inBuf_->releaseReadData(readDataSet);
}
static void print_state(enum rxtx_state state, int error, int error_type)
{
switch (state) {
case RXTX_STATE_IDLE:
printf(" State: Idle\n");
break;
case RXTX_STATE_ERROR:
if (error_type == ETYPE_ERRNO) {
printf(" State: Error -- %s\n", strerror(error));
} else if (error_type == ETYPE_BLADERF) {
printf(" State: Error -- %s\n", bladerf_strerror(error));
} else if (error_type == ETYPE_CLI) {
printf(" State: Error -- %s\n", cmd_strerror(error, 0));
} else {
printf(" State: Error -- (%d)\n", error);
}
break;
case RXTX_STATE_SHUTDOWN:
printf(" State: Shutting down\n");
break;
case RXTX_STATE_RUNNING:
printf(" State: Running\n");
break;
default:
printf(" State: Invalid/Unknown (BUG)\n");
}
}
double rf_blade_set_tx_srate(void *h, double freq)
{
uint32_t bw;
rf_blade_handler_t *handler = (rf_blade_handler_t*) h;
int status = bladerf_set_sample_rate(handler->dev, BLADERF_MODULE_TX, (uint32_t) freq, &handler->tx_rate);
if (status != 0) {
fprintf(stderr, "Failed to set samplerate = %u: %s\n", (uint32_t) freq, bladerf_strerror(status));
return -1;
}
status = bladerf_set_bandwidth(handler->dev, BLADERF_MODULE_TX, handler->tx_rate, &bw);
if (status != 0) {
fprintf(stderr, "Failed to set bandwidth = %u: %s\n", handler->tx_rate, bladerf_strerror(status));
return -1;
}
return (double) handler->tx_rate;
}
void * tx_task_run(void *repeater_)
{
int status;
struct repeater *repeater = (struct repeater *)repeater_;
bool exit_early;
/* Wait for RX task to buffer up some samples before we begin
* consuming them */
pthread_mutex_lock(&repeater->buf_mgmt.lock);
while(repeater->buf_mgmt.num_filled < repeater->buf_mgmt.prefill_count &&
repeater->buf_mgmt.tx_idx >= 0) {
status = pthread_cond_wait(&repeater->buf_mgmt.samples_available,
&repeater->buf_mgmt.lock);
}
exit_early = repeater->buf_mgmt.tx_idx < 0;
pthread_mutex_unlock(&repeater->buf_mgmt.lock);
if (!exit_early) {
/* Call stream */
status = bladerf_stream(repeater->tx_stream, BLADERF_MODULE_TX);
if (status < 0) {
print_error(repeater, "TX stream failure: %s\n",
bladerf_strerror(status));
}
} else {
printf("EARLY EXIT\n");
}
return NULL;
}
static int open_device(struct rc_config *rc, struct cli_state *state, int status)
{
if (!status) {
status = bladerf_open(&state->dev, rc->device);
if (status) {
/* Just warn if no device is attached; don't error out */
if (!rc->device && status == BLADERF_ERR_NODEV) {
fprintf(stderr, "\n");
fprintf(stderr, "No bladeRF device(s) available.\n");
fprintf(stderr, "\n");
fprintf(stderr, "If one is attached, ensure it is not in use by another program\n");
fprintf(stderr, "and that the current user has permission to access it.\n");
fprintf(stderr, "\n");
status = 0;
} else {
fprintf(stderr, "Failed to open device (%s): %s\n",
rc->device ? rc->device : "first available",
bladerf_strerror(status));
status = -1;
}
}
}
return status;
}
static int flash_fpga(struct rc_config *rc, struct cli_state *state, int status)
{
if (!status && rc->flash_fpga_file) {
if (!state->dev) {
print_error_need_devarg();
status = -1;
} else {
if (!strcmp("X", rc->flash_fpga_file)) {
printf("Erasing stored FPGA to disable autoloading...\n");
status = bladerf_erase_stored_fpga(state->dev);
} else {
printf("Writing FPGA to flash for autoloading...\n");
status = bladerf_flash_fpga(state->dev, rc->flash_fpga_file);
}
if (status) {
fprintf(stderr, "Error: %s\n", bladerf_strerror(status));
} else {
printf("Done.\n");
}
}
}
return status;
}
static int flash_fw(struct rc_config *rc, struct cli_state *state, int status)
{
if (!status && rc->fw_file) {
if (!state->dev) {
print_error_need_devarg();
status = -1;
} else {
printf("Flashing firmware...\n");
status = bladerf_flash_firmware(state->dev, rc->fw_file);
if (status) {
fprintf(stderr, "Error: failed to flash firmware: %s\n",
bladerf_strerror(status));
} else {
printf("Done.\n");
}
bladerf_device_reset(state->dev);
bladerf_close(state->dev);
state->dev = NULL;
}
}
/* TODO Do we have to fire off some sort of reset after flashing
* the firmware, and before loading the FPGA? */
return status;
}
int rf_blade_stop_rx_stream(void *h)
{
rf_blade_handler_t *handler = (rf_blade_handler_t*) h;
int status = bladerf_enable_module(handler->dev, BLADERF_MODULE_RX, false);
if (status != 0) {
fprintf(stderr, "Failed to enable RX module: %s\n", bladerf_strerror(status));
return status;
}
status = bladerf_enable_module(handler->dev, BLADERF_MODULE_TX, false);
if (status != 0) {
fprintf(stderr, "Failed to enable TX module: %s\n", bladerf_strerror(status));
return status;
}
handler->rx_stream_enabled = false;
handler->tx_stream_enabled = false;
return 0;
}