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Soapy(lime) tx support

This commit is contained in:
yagoda 2017-07-06 12:32:54 +01:00
parent d74a9de86d
commit 10c0f03f33
10 changed files with 347 additions and 246 deletions
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5
lib/examples/pdsch_enodeb.c
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@ -510,7 +510,7 @@ int main(int argc, char **argv) {
sigaddset(&sigset, SIGINT); sigaddset(&sigset, SIGINT);
sigprocmask(SIG_UNBLOCK, &sigset, NULL); sigprocmask(SIG_UNBLOCK, &sigset, NULL);
signal(SIGINT, sig_int_handler); signal(SIGINT, sig_int_handler);
if (!output_file_name) { if (!output_file_name) {
int srate = srslte_sampling_freq_hz(cell.nof_prb); int srate = srslte_sampling_freq_hz(cell.nof_prb);
@ -534,6 +534,7 @@ int main(int argc, char **argv) {
printf("Set TX freq: %.2f MHz\n", printf("Set TX freq: %.2f MHz\n",
srslte_rf_set_tx_freq(&rf, rf_freq) / 1000000); srslte_rf_set_tx_freq(&rf, rf_freq) / 1000000);
} }
srslte_rf_start_tx_stream(&rf);
#endif #endif
if (update_radl(sf_idx)) { if (update_radl(sf_idx)) {
@ -662,7 +663,7 @@ int main(int argc, char **argv) {
nf++; nf++;
sfn = (sfn + 1) % 1024; sfn = (sfn + 1) % 1024;
} }
srslte_rf_stop_tx_stream(&rf);
base_free(); base_free();
printf("Done\n"); printf("Done\n");

4
lib/include/srslte/phy/rf/rf.h
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@ -99,6 +99,10 @@ SRSLTE_API int srslte_rf_start_rx_stream(srslte_rf_t *h);
SRSLTE_API int srslte_rf_stop_rx_stream(srslte_rf_t *h); SRSLTE_API int srslte_rf_stop_rx_stream(srslte_rf_t *h);
SRSLTE_API int srslte_rf_start_tx_stream(srslte_rf_t *h);
SRSLTE_API int srslte_rf_stop_tx_stream(srslte_rf_t *h);
SRSLTE_API void srslte_rf_flush_buffer(srslte_rf_t *h); SRSLTE_API void srslte_rf_flush_buffer(srslte_rf_t *h);
SRSLTE_API bool srslte_rf_has_rssi(srslte_rf_t *h); SRSLTE_API bool srslte_rf_has_rssi(srslte_rf_t *h);

7
lib/src/phy/rf/rf_blade_imp.c
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@ -164,6 +164,13 @@ int rf_blade_stop_rx_stream(void *h)
return 0; return 0;
} }
int rf_blade_stop_tx_stream(void *h)
{
return 0;
}
void rf_blade_flush_buffer(void *h) void rf_blade_flush_buffer(void *h)
{ {
} }

5
lib/src/phy/rf/rf_blade_imp.h
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@ -51,6 +51,11 @@ SRSLTE_API int rf_blade_start_rx_stream_nsamples(void *h,
SRSLTE_API int rf_blade_stop_rx_stream(void *h); SRSLTE_API int rf_blade_stop_rx_stream(void *h);
SRSLTE_API int rf_blade_start_tx_stream(void *h);
SRSLTE_API int rf_blade_stop_tx_stream(void *h);
SRSLTE_API void rf_blade_flush_buffer(void *h); SRSLTE_API void rf_blade_flush_buffer(void *h);
SRSLTE_API bool rf_blade_has_rssi(void *h); SRSLTE_API bool rf_blade_has_rssi(void *h);

8
lib/src/phy/rf/rf_dev.h
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@ -32,6 +32,8 @@ typedef struct {
bool (*srslte_rf_rx_wait_lo_locked) (void *h); bool (*srslte_rf_rx_wait_lo_locked) (void *h);
int (*srslte_rf_start_rx_stream)(void *h); int (*srslte_rf_start_rx_stream)(void *h);
int (*srslte_rf_stop_rx_stream)(void *h); int (*srslte_rf_stop_rx_stream)(void *h);
int (*srslte_rf_start_tx_stream)(void *h);
int (*srslte_rf_stop_tx_stream)(void *h);
void (*srslte_rf_flush_buffer)(void *h); void (*srslte_rf_flush_buffer)(void *h);
bool (*srslte_rf_has_rssi)(void *h); bool (*srslte_rf_has_rssi)(void *h);
float (*srslte_rf_get_rssi)(void *h); float (*srslte_rf_get_rssi)(void *h);
@ -75,6 +77,8 @@ static rf_dev_t dev_uhd = {
rf_uhd_rx_wait_lo_locked, rf_uhd_rx_wait_lo_locked,
rf_uhd_start_rx_stream, rf_uhd_start_rx_stream,
rf_uhd_stop_rx_stream, rf_uhd_stop_rx_stream,
rf_uhd_start_tx_stream,
rf_uhd_stop_tx_stream,
rf_uhd_flush_buffer, rf_uhd_flush_buffer,
rf_uhd_has_rssi, rf_uhd_has_rssi,
rf_uhd_get_rssi, rf_uhd_get_rssi,
@ -113,6 +117,8 @@ static rf_dev_t dev_blade = {
rf_blade_rx_wait_lo_locked, rf_blade_rx_wait_lo_locked,
rf_blade_start_rx_stream, rf_blade_start_rx_stream,
rf_blade_stop_rx_stream, rf_blade_stop_rx_stream,
rf_blade_start_tx_stream,
rf_blade_stop_tx_stream,
rf_blade_flush_buffer, rf_blade_flush_buffer,
rf_blade_has_rssi, rf_blade_has_rssi,
rf_blade_get_rssi, rf_blade_get_rssi,
@ -150,6 +156,8 @@ static rf_dev_t dev_soapy = {
rf_soapy_rx_wait_lo_locked, rf_soapy_rx_wait_lo_locked,
rf_soapy_start_rx_stream, rf_soapy_start_rx_stream,
rf_soapy_stop_rx_stream, rf_soapy_stop_rx_stream,
rf_soapy_start_tx_stream,
rf_soapy_stop_tx_stream,
rf_soapy_flush_buffer, rf_soapy_flush_buffer,
rf_soapy_has_rssi, rf_soapy_has_rssi,
rf_soapy_get_rssi, rf_soapy_get_rssi,

10
lib/src/phy/rf/rf_imp.c
View File

@ -154,11 +154,21 @@ int srslte_rf_start_rx_stream(srslte_rf_t *rf)
return ((rf_dev_t*) rf->dev)->srslte_rf_start_rx_stream(rf->handler); return ((rf_dev_t*) rf->dev)->srslte_rf_start_rx_stream(rf->handler);
} }
int srslte_rf_start_tx_stream(srslte_rf_t *rf)
{
return ((rf_dev_t*) rf->dev)->srslte_rf_start_tx_stream(rf->handler);
}
int srslte_rf_stop_rx_stream(srslte_rf_t *rf) int srslte_rf_stop_rx_stream(srslte_rf_t *rf)
{ {
return ((rf_dev_t*) rf->dev)->srslte_rf_stop_rx_stream(rf->handler); return ((rf_dev_t*) rf->dev)->srslte_rf_stop_rx_stream(rf->handler);
} }
int srslte_rf_stop_tx_stream(srslte_rf_t *rf)
{
return ((rf_dev_t*) rf->dev)->srslte_rf_stop_tx_stream(rf->handler);
}
void srslte_rf_flush_buffer(srslte_rf_t *rf) void srslte_rf_flush_buffer(srslte_rf_t *rf)
{ {
((rf_dev_t*) rf->dev)->srslte_rf_flush_buffer(rf->handler); ((rf_dev_t*) rf->dev)->srslte_rf_flush_buffer(rf->handler);

535
lib/src/phy/rf/rf_soapy_imp.c
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@ -32,404 +32,451 @@
#include "srslte/srslte.h" #include "srslte/srslte.h"
#include "rf_soapy_imp.h" #include "rf_soapy_imp.h"
#include "srslte/phy/rf/rf.h" #include "srslte/rf/rf.h"
#include <SoapySDR/Device.h> #include <SoapySDR/Device.h>
#include <SoapySDR/Formats.h> #include <SoapySDR/Formats.h>
//#include "lime/LimeSuite.h"
typedef struct { typedef struct {
SoapySDRKwargs args;
SoapySDRDevice *device; SoapySDRKwargs args;
SoapySDRRange *ranges; SoapySDRDevice *device;
SoapySDRStream *rxStream; SoapySDRRange *ranges;
SoapySDRStream *txStream;
SoapySDRStream *rxStream;
SoapySDRStream *txStream;
} rf_soapy_handler_t; } rf_soapy_handler_t;
cf_t zero_mem[64*1024];
int soapy_error(void *h) int soapy_error(void *h)
{ {
return 0;
}
}
void rf_soapy_get_freq_range(void *h) void rf_soapy_get_freq_range(void *h)
{ {
} }
void rf_soapy_suppress_handler(const char *x) void rf_soapy_suppress_handler(const char *x)
{ {
// not supported // not supported
} }
void rf_soapy_msg_handler(const char *msg) void rf_soapy_msg_handler(const char *msg)
{ {
// not supported // not supported
} }
void rf_soapy_suppress_stdout(void *h) void rf_soapy_suppress_stdout(void *h)
{ {
// not supported // not supported
} }
void rf_soapy_register_error_handler(void *notused, srslte_rf_error_handler_t new_handler) void rf_soapy_register_error_handler(void *notused, srslte_rf_error_handler_t new_handler)
{ {
// not supported // not supported
} }
static bool isLocked(rf_soapy_handler_t *handler, char *sensor_name, void *value_h)
{
// not supported
return true;
}
char* rf_soapy_devname(void* h) char* rf_soapy_devname(void* h)
{ {
return "soapy";
} }
bool rf_soapy_rx_wait_lo_locked(void *h) bool rf_soapy_rx_wait_lo_locked(void *h)
{ {
printf("TODO: implement rf_soapy_rx_wait_lo_locked()\n"); // not supported
return true; return true;
} }
void rf_soapy_set_tx_cal(void *h, srslte_rf_cal_t *cal) void rf_soapy_set_tx_cal(void *h, srslte_rf_cal_t *cal)
{ {
printf("TODO: implement rf_soapy_rx_wait_lo_locked()\n");
// not supported // not supported
} }
void rf_soapy_set_rx_cal(void *h, srslte_rf_cal_t *cal)
void rf_soapy_set_rx_cal(void *h, srslte_rf_cal_t *cal)
{ {
printf("TODO: implement rf_soapy_set_rx_cal()\n"); // not supported
} }
int rf_soapy_start_rx_stream(void *h) int rf_soapy_start_rx_stream(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; //printf("starting SOAPY rx stream \n");
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_activateStream(handler->device, handler->rxStream, 0, 0, 0) != 0) if(SoapySDRDevice_activateStream(handler->device, handler->rxStream, 0, 0, 0)!=0)//start streaming
return SRSLTE_ERROR; return SRSLTE_ERROR;
return SRSLTE_SUCCESS;
return SRSLTE_SUCCESS;
} }
int rf_soapy_start_tx_stream(void *h) int rf_soapy_start_tx_stream(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setupStream(handler->device, &(handler->txStream), SOAPY_SDR_TX, SOAPY_SDR_CF32, NULL, 0, NULL) != 0) { if(SoapySDRDevice_activateStream(handler->device, handler->txStream, 0, 0, 0) != 0)
printf("setupStream fail: %s\n", SoapySDRDevice_lastError()); return SRSLTE_ERROR;
return SRSLTE_ERROR;
}
return SRSLTE_SUCCESS;
if(SoapySDRDevice_activateStream(handler->device, handler->txStream, 0, 0, 0) != 0)
return SRSLTE_ERROR;
return SRSLTE_SUCCESS;
} }
int rf_soapy_stop_rx_stream(void *h) int rf_soapy_stop_rx_stream(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_deactivateStream(handler->device, handler->rxStream, 0, 0) != 0) if(SoapySDRDevice_deactivateStream(handler->device, handler->rxStream, 0, 0) != 0)
return SRSLTE_ERROR; return SRSLTE_ERROR;
return SRSLTE_SUCCESS;
return SRSLTE_SUCCESS;
} }
int rf_soapy_stop_tx_stream(void *h) int rf_soapy_stop_tx_stream(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if(SoapySDRDevice_deactivateStream(handler->device, handler->txStream, 0, 0) != 0)
return SRSLTE_ERROR; if(SoapySDRDevice_deactivateStream(handler->device, handler->txStream, 0, 0) != 0)
return SRSLTE_ERROR;
return SRSLTE_SUCCESS;
return SRSLTE_SUCCESS;
} }
void rf_soapy_flush_buffer(void *h) void rf_soapy_flush_buffer(void *h)
{ {
int n; int n;
cf_t tmp1[1024]; cf_t tmp1[1024];
cf_t tmp2[1024]; cf_t tmp2[1024];
void *data[2] = {tmp1, tmp2}; void *data[2] = {tmp1, tmp2};
do { do {
n = rf_soapy_recv_with_time_multi(h, data, 1024, 0, NULL, NULL); n = rf_soapy_recv_with_time_multi(h, data, 1024, 0, NULL, NULL);
} while (n > 0); } while (n > 0);
} }
bool rf_soapy_has_rssi(void *h) bool rf_soapy_has_rssi(void *h)
{ {
printf("TODO: implement rf_soapy_has_rssi()\n");
return false;
} }
float rf_soapy_get_rssi(void *h) float rf_soapy_get_rssi(void *h)
{ {
printf("TODO: implement rf_soapy_get_rssi()\n");
return 0.0;
}
}
//TODO: add multi-channel support //TODO: add multi-channel support
int rf_soapy_open_multi(char *args, void **h, uint32_t nof_rx_antennas) int rf_soapy_open_multi(char *args, void **h, uint32_t nof_rx_antennas)
{ {//SoapySDRKwargs soapy_args = {};
size_t length; size_t length;
const SoapySDRKwargs *soapy_args = SoapySDRDevice_enumerate(NULL, &length); const SoapySDRKwargs *soapy_args = SoapySDRDevice_enumerate(NULL, &length);
if (length == 0) { if(length == 0)
printf("No Soapy devices found.\n");
return SRSLTE_ERROR;
}
for (size_t i = 0; i < length; i++) {
printf("Soapy Has Found device #%d: ", (int)i);
for (size_t j = 0; j < soapy_args[i].size; j++)
{ {
printf("%s=%s, ", soapy_args[i].keys[j], soapy_args[i].vals[j]); return SRSLTE_ERROR;
} }
printf("\n");
} for (size_t i = 0; i < length; i++)
{
SoapySDRDevice *sdr = SoapySDRDevice_make(&(soapy_args[0])); printf("Soapy Has Found device #%d: ", (int)i);
if (sdr == NULL) { for (size_t j = 0; j < soapy_args[i].size; j++)
printf("failed to create SOAPY object\n"); {
return SRSLTE_ERROR; printf("%s=%s, ", soapy_args[i].keys[j], soapy_args[i].vals[j]);
} }
printf("\n");
// create handler }
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) malloc(sizeof(rf_soapy_handler_t));
bzero(handler, sizeof(rf_soapy_handler_t)); // SoapySDRrgs_set(&soapy_args, "driver", "rtlsdr");
*h = handler; SoapySDRDevice *sdr = SoapySDRDevice_make(&(soapy_args[0]));
handler->device = sdr;
if(sdr == NULL)
if (SoapySDRDevice_setupStream(handler->device, &(handler->rxStream), SOAPY_SDR_RX, SOAPY_SDR_CF32, NULL, 0, NULL) != 0) { {
printf("setupStream fail: %s\n", SoapySDRDevice_lastError()); printf("failed to create SOAPY object\n");
return SRSLTE_ERROR; return SRSLTE_ERROR;
}
return SRSLTE_SUCCESS;
}
}
//SoapySDRKwargs_clear(&soapy_args);
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) malloc(sizeof(rf_soapy_handler_t));
*h = handler;
handler->device = sdr;
//size_t channels[1];
//channels[0] = 0;
if (SoapySDRDevice_setupStream(handler->device, &(handler->rxStream), SOAPY_SDR_RX, SOAPY_SDR_CF32, NULL, 0, NULL) != 0)
{
printf("setupStream fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR;
}
if (SoapySDRDevice_setupStream(handler->device, &(handler->txStream), SOAPY_SDR_TX, SOAPY_SDR_CF32, NULL, 0, NULL) != 0)
{
printf("setupStream fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR;
}
return SRSLTE_SUCCESS;
}
int rf_soapy_open(char *args, void **h) int rf_soapy_open(char *args, void **h)
{ {
return rf_soapy_open_multi(args, h, 1); return rf_soapy_open_multi(args, h, 1);
} }
int rf_soapy_close(void *h) int rf_soapy_close(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (handler->txStream) { SoapySDRDevice_closeStream(handler->device, handler->txStream);
rf_soapy_stop_tx_stream(handler); SoapySDRDevice_closeStream(handler->device, handler->rxStream);
SoapySDRDevice_closeStream(handler->device, handler->txStream); SoapySDRDevice_unmake(handler->device);
}
if (handler->rxStream) {
rf_soapy_stop_rx_stream(handler);
SoapySDRDevice_closeStream(handler->device, handler->rxStream);
}
SoapySDRDevice_unmake(handler->device);
free(handler);
return SRSLTE_SUCCESS;
} }
void rf_soapy_set_master_clock_rate(void *h, double rate) void rf_soapy_set_master_clock_rate(void *h, double rate)
{ {
// Allow the soapy to automatically set the appropriate clock rate // Allow the soapy to automatically set the appropriate clock rate
// TODO: implement this function
printf("SET MASTER CLOCK RATE\n");
} }
bool rf_soapy_is_master_clock_dynamic(void *h)
bool rf_soapy_is_master_clock_dynamic(void *h)
{ {
printf("TODO: implement rf_soapy_is_master_clock_dynamic()\n");
return false;
} }
double rf_soapy_set_rx_srate(void *h, double rate) double rf_soapy_set_rx_srate(void *h, double rate)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setSampleRate(handler->device, SOAPY_SDR_RX, 0, rate) != 0) { SoapySDRRange range = SoapySDRDevice_getGainRange(handler->device, SOAPY_SDR_RX,0);
printf("setSampleRate fail: %s\n", SoapySDRDevice_lastError()); printf("rx min gain is %f \n",range.minimum);
return SRSLTE_ERROR; printf("rx max gain is %f \n",range.maximum);
} if (SoapySDRDevice_setSampleRate(handler->device, SOAPY_SDR_RX, 0, rate) != 0)
return SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_RX,0); {
printf("setSampleRate fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR;
}
double ret = SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_RX,0);
printf("Sampling rate is set to %f : \n",ret);
return ret;
} }
double rf_soapy_set_tx_srate(void *h, double rate) double rf_soapy_set_tx_srate(void *h, double rate)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setSampleRate(handler->device, SOAPY_SDR_TX, 0, rate) != 0) { SoapySDRRange range = SoapySDRDevice_getGainRange(handler->device, SOAPY_SDR_TX,0);
printf("setSampleRate fail: %s\n", SoapySDRDevice_lastError()); printf("tx min gain is %f \n",range.minimum);
return SRSLTE_ERROR; printf("tx max gain is %f \n",range.maximum);
}
return SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_TX,0);
}
if (SoapySDRDevice_setSampleRate(handler->device, SOAPY_SDR_TX, 0, rate) != 0)
{
printf("setSampleRate fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR;
}
double ret = SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_TX,0);
printf("Sampling rate is set to %f : \n",ret);
return ret;
}
double rf_soapy_set_rx_gain(void *h, double gain) double rf_soapy_set_rx_gain(void *h, double gain)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setGain(handler->device, SOAPY_SDR_RX, 0, gain) != 0)
{
printf("setGain fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR;
}
return rf_soapy_get_rx_gain(h);
}
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setGain(handler->device, SOAPY_SDR_RX, 0, gain) != 0)
{
printf("setGain fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR;
}
double ret = rf_soapy_get_rx_gain(h);
printf("gain has been set to %f \n",ret);
return ret;
}
double rf_soapy_set_tx_gain(void *h, double gain) double rf_soapy_set_tx_gain(void *h, double gain)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setGain(handler->device, SOAPY_SDR_TX, 0, gain) != 0) if (SoapySDRDevice_setGain(handler->device, SOAPY_SDR_TX, 0, gain) != 0)
{ {
printf("setGain fail: %s\n", SoapySDRDevice_lastError()); printf("setGain fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR; return SRSLTE_ERROR;
} }
return rf_soapy_get_rx_gain(h); double ret = rf_soapy_get_tx_gain(h);
printf("gain has been set to %f \n",ret);
return ret;
} }
double rf_soapy_get_rx_gain(void *h) double rf_soapy_get_rx_gain(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
return SoapySDRDevice_getGain(handler->device,SOAPY_SDR_RX,0); rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
} return SoapySDRDevice_getGain(handler->device,SOAPY_SDR_RX,0);
}
double rf_soapy_get_tx_gain(void *h) double rf_soapy_get_tx_gain(void *h)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
return SoapySDRDevice_getGain(handler->device,SOAPY_SDR_TX,0); return SoapySDRDevice_getGain(handler->device,SOAPY_SDR_TX,0);
} }
double rf_soapy_set_rx_freq(void *h, double freq) double rf_soapy_set_rx_freq(void *h, double freq)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setFrequency(handler->device, SOAPY_SDR_RX, 0, freq, NULL) != 0) rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
{ if (SoapySDRDevice_setFrequency(handler->device, SOAPY_SDR_RX, 0, freq, NULL) != 0)
printf("setFrequency fail: %s\n", SoapySDRDevice_lastError()); {
return SRSLTE_ERROR; printf("setFrequency fail: %s\n", SoapySDRDevice_lastError());
} return SRSLTE_ERROR;
}
double ret = SoapySDRDevice_getFrequency(handler->device, SOAPY_SDR_RX, 0);
printf("Frequency has been set to %f : \n",ret);
return ret;
return SoapySDRDevice_getFrequency(handler->device, SOAPY_SDR_RX, 0);
} }
double rf_soapy_set_tx_freq(void *h, double freq) double rf_soapy_set_tx_freq(void *h, double freq)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if (SoapySDRDevice_setFrequency(handler->device, SOAPY_SDR_TX, 0, freq, NULL) != 0) if (SoapySDRDevice_setFrequency(handler->device, SOAPY_SDR_TX, 0, freq, NULL) != 0)
{ {
printf("setFrequency fail: %s\n", SoapySDRDevice_lastError()); printf("setFrequency fail: %s\n", SoapySDRDevice_lastError());
return SRSLTE_ERROR; return SRSLTE_ERROR;
} }
return SoapySDRDevice_getFrequency(handler->device, SOAPY_SDR_RX, 0); double ret = SoapySDRDevice_getFrequency(handler->device, SOAPY_SDR_TX, 0);
printf("Frequency has been set to %f : \n",ret);
return ret;
} }
void rf_soapy_get_time(void *h, time_t *secs, double *frac_secs) { void rf_soapy_get_time(void *h, time_t *secs, double *frac_secs) {
} }
//TODO: add multi-channel support //TODO: add multi-channel support
int rf_soapy_recv_with_time_multi(void *h, int rf_soapy_recv_with_time_multi(void *h,
void **data, void **data,
uint32_t nsamples, uint32_t nsamples,
bool blocking, bool blocking,
time_t *secs, time_t *secs,
double *frac_secs) double *frac_secs)
{ {
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
//void *buffs[] = {buff}; //array of buffers //void *buffs[] = {buff}; //array of buffers
int flags; //flags set by receive operation int flags; //flags set by receive operation
int num_channels = 1; // temp int num_channels = 1; // temp
int trials = 0; int trials = 0;
int ret = 0; int ret = 0;
long long timeNs; //timestamp for receive buffer long long timeNs; //timestamp for receive buffer
int n = 0; int n = 0;
do { do{
size_t rx_samples = nsamples;
size_t rx_samples = nsamples;
if (rx_samples > nsamples - n)
{
rx_samples = nsamples - n;
}
void *buffs_ptr[4];
for (int i=0;i<num_channels;i++)
{
cf_t *data_c = (cf_t*) data[i];
buffs_ptr[i] = &data_c[n];
} //(void*)(&data)
ret = SoapySDRDevice_readStream(handler->device, handler->rxStream, buffs_ptr , rx_samples, &flags, &timeNs, 1000000);
if(ret < 0)
return SRSLTE_ERROR;
n += ret;
trials++;
}while (n < nsamples && trials < 100);
//*secs = timeNs / 1000000000;
//*frac_secs = (timeNs % 1000000000)/1000000000;
// printf("ret=%d, flags=%d, timeNs=%lld\n", ret, flags, timeNs);
return n;
if (rx_samples > nsamples - n)
{
rx_samples = nsamples - n;
}
void *buffs_ptr[4];
for (int i=0; i<num_channels; i++)
{
cf_t *data_c = (cf_t*) data[i];
buffs_ptr[i] = &data_c[n];
} //(void*)(&data)
ret = SoapySDRDevice_readStream(handler->device, handler->rxStream, buffs_ptr , rx_samples, &flags, &timeNs, 1000000);
if(ret < 0) {
// continue when getting overflows
if (ret == SOAPY_SDR_OVERFLOW) {
fprintf(stderr, "O");
fflush(stderr);
continue;
} else {
return SRSLTE_ERROR;
}
}
n += ret;
trials++;
} while (n < nsamples && trials < 100);
//*secs = timeNs / 1000000000;
//*frac_secs = (timeNs % 1000000000)/1000000000;
// printf("ret=%d, flags=%d, timeNs=%lld\n", ret, flags, timeNs);
return n;
} }
int rf_soapy_recv_with_time(void *h, int rf_soapy_recv_with_time(void *h,
void *data, void *data,
uint32_t nsamples, uint32_t nsamples,
bool blocking, bool blocking,
time_t *secs, time_t *secs,
double *frac_secs) double *frac_secs)
{ {
return rf_soapy_recv_with_time_multi(h, &data, nsamples, blocking, secs, frac_secs); return rf_soapy_recv_with_time_multi(h, &data, nsamples, blocking, secs, frac_secs);
} }
int rf_soapy_send_timed(void *h, int rf_soapy_send_timed(void *h,
void *data, void *data,
int nsamples, int nsamples,
time_t secs, time_t secs,
double frac_secs, double frac_secs,
bool has_time_spec, bool has_time_spec,
bool blocking, bool blocking,
bool is_start_of_burst, bool is_start_of_burst,
bool is_end_of_burst) bool is_end_of_burst)
{ {
int flags;
long long timeNs; int flags;
rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h; long long timeNs;
timeNs = secs * 1000000000; int trials = 0;
timeNs = timeNs + (frac_secs * 1000000000); int ret = 0;
int ret = SoapySDRDevice_writeStream(handler->device, handler->txStream, data, nsamples, &flags, timeNs, 100000); rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
if(ret != nsamples) timeNs = secs * 1000000000;
return SRSLTE_ERROR; timeNs = timeNs + (frac_secs * 1000000000);
int num_channels = 1;
return ret; int n = 0;
cf_t *data_c = (cf_t*) data;
do{
size_t tx_samples = nsamples;
if (tx_samples > nsamples - n)
{
tx_samples = nsamples - n;
}
void *buff = (void*) &data_c[n];
const void *buffs_ptr[1] = {buff};
ret = SoapySDRDevice_writeStream(handler->device, handler->txStream, buffs_ptr, tx_samples, &flags, timeNs, 10000);
if(ret < 0)
return SRSLTE_ERROR;
n += ret;
trials++;
}while (n < nsamples && trials < 100);
if(ret != nsamples)
return SRSLTE_ERROR;
return ret;
} }

4
lib/src/phy/rf/rf_soapy_imp.h
View File

@ -49,6 +49,10 @@ SRSLTE_API int rf_soapy_start_rx_stream(void *h);
SRSLTE_API int rf_soapy_stop_rx_stream(void *h); SRSLTE_API int rf_soapy_stop_rx_stream(void *h);
SRSLTE_API int rf_soapy_start_tx_stream(void *h);
SRSLTE_API int rf_soapy_stop_tx_stream(void *h);
SRSLTE_API void rf_soapy_flush_buffer(void *h); SRSLTE_API void rf_soapy_flush_buffer(void *h);
SRSLTE_API bool rf_soapy_has_rssi(void *h); SRSLTE_API bool rf_soapy_has_rssi(void *h);

11
lib/src/phy/rf/rf_uhd_imp.c
View File

@ -235,6 +235,17 @@ int rf_uhd_start_rx_stream(void *h)
return 0; return 0;
} }
int rf_uhd_start_tx_stream(void *h)
{
return 0;
}
int rf_uhd_stop_tx_stream(void *h)
{
return 0;
}
int rf_uhd_stop_rx_stream(void *h) int rf_uhd_stop_rx_stream(void *h)
{ {
rf_uhd_handler_t *handler = (rf_uhd_handler_t*) h; rf_uhd_handler_t *handler = (rf_uhd_handler_t*) h;

4
lib/src/phy/rf/rf_uhd_imp.h
View File

@ -51,6 +51,10 @@ SRSLTE_API void rf_uhd_set_rx_cal(void *h, srslte_rf_cal_t *cal);
SRSLTE_API int rf_uhd_start_rx_stream(void *h); SRSLTE_API int rf_uhd_start_rx_stream(void *h);
SRSLTE_API int rf_uhd_start_tx_stream(void *h);
SRSLTE_API int rf_uhd_stop_tx_stream(void *h);
SRSLTE_API int rf_uhd_start_rx_stream_nsamples(void *h, SRSLTE_API int rf_uhd_start_rx_stream_nsamples(void *h,
uint32_t nsamples); uint32_t nsamples);