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OpenXG-RAN
Commit ce14050b authored by Cedric Roux's avatar Cedric Roux
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Merge remote-tracking branch 'origin/calib-LimeSDR' into develop_integration_w06 

 Conflicts:
	openair1/PHY/MODULATION/ofdm_mod.c
parents 0ada1e9e 02148c79
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openair1/PHY/MODULATION/ofdm_mod.c
View file @ ce14050b
......@@ -137,10 +137,13 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
printf("[PHY] symbol %d/%d offset %d (%p,%p -> %p)\n",i,nb_symbols,i*fftsize+(i*nb_prefix_samples),input,&input[i*fftsize],&output[(i*fftsize) + ((i)*nb_prefix_samples)]);
#endif
#if 0
#ifndef __AVX2__
// handle 128-bit alignment for 128-bit SIMD (SSE4,NEON,AltiVEC)
idft((int16_t *)&input[i*fftsize],
(fftsize==128) ? (int16_t *)temp : (int16_t *)&output[(i*fftsize) + ((1+i)*nb_prefix_samples)],
/* TODO: we always use temp, TBC */
//(fftsize==128) ? (int16_t *)temp : (int16_t *)&output[(i*fftsize) + ((1+i)*nb_prefix_samples)],
(int16_t *)temp,
1);
#else
// on AVX2 need 256-bit alignment
......@@ -149,7 +152,11 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
1);
#endif
#endif /* #if 0 */
idft((int16_t *)&input[i*fftsize],
(int16_t *)temp,
1);
// Copy to frame buffer with Cyclic Extension
// Note: will have to adjust for synchronization offset!
......@@ -160,10 +167,14 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
// msg("Doing cyclic prefix method\n");
#if 0
/* TODO: we always use temp, TBC */
#ifndef __AVX2__
if (fftsize==128)
#else
if (fftsize<=512)
#endif
#endif /* #if 0 */
{
for (j=0; j<fftsize ; j++) {
output_ptr[j] = temp_ptr[j];
......
targets/ARCH/COMMON/common_lib.h
View file @ ce14050b
......@@ -362,6 +362,9 @@ struct openair0_device_t {
*/
int (*trx_set_gains_func)(openair0_device* device, openair0_config_t *openair0_cfg);
/*! \brief Indicator that device is running
*/
int trx_started;
};
/* type of device init function, implemented in shared lib */
......
targets/ARCH/LMSSDR/LimeSDR_above_1p8GHz.ini 0 → 100755
View file @ ce14050b
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targets/ARCH/LMSSDR/LimeSDR_above_1p8GHz_1v4.ini 0 → 100755
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targets/ARCH/LMSSDR/LimeSDR_below_1p8GHz.ini 0 → 100755
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targets/ARCH/LMSSDR/LimeSDR_below_1p8GHz_1v4.ini 0 → 100755
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targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
View file @ ce14050b
......@@ -132,26 +132,37 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
*/
int trx_lms_set_gains(openair0_device* device, openair0_config_t *openair0_cfg) {
LMS_SetNormalizedGain(lms_device, LMS_CH_TX, 0, openair0_cfg[0].tx_gain[0]/100.0);
int ret=0;
double rxg_ratio = openair0_cfg[0].rx_gain[0]/openair0_cfg[0].rx_gain_offset[0];
if (rxg_ratio > 1) {
printf("[LMS] Reduce RX Gain 0 by %f dB\n",openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]);
ret = -1;
rxg_ratio = 1;
}
LMS_SetNormalizedGain(lms_device, LMS_CH_TX, 0, openair0_cfg[0].tx_gain[0]/100.0);
LMS_SetNormalizedGain(lms_device, LMS_CH_RX, 0, .8*rxg_ratio);
/*
// RX gains, use low-level setting
double gv = openair0_cfg[0].rx_gain[0] - openair0_cfg[0].rx_gain_offset[0];
if (gv > 31) {
printf("RX Gain 0 too high, reduce by %f dB\n",gv-31);
gv = 31;
gv = 31;
ret=-1;
}
if (gv < 0) {
printf("RX Gain 0 too low, increase by %f dB\n",-gv);
gv = 0;
gv = 0;
ret=-1;
}
printf("[LMS] Setting 7002M G_PGA_RBB to %d\n", (int16_t)gv);
LMS7002M lms7;
lms7.SetConnection(lms7.GetConnection());
lms7.Modify_SPI_Reg_bits(LMS7param(G_PGA_RBB),(int16_t)gv);
*/
return(0);
return(ret);
}
/*! \brief Start LMSSDR
......@@ -163,7 +174,8 @@ int trx_lms_start(openair0_device *device){
lms_info_str_t list[16]={0};
int n= LMS_GetDeviceList(list);
int ret;
if (n <= 0) {
fprintf(stderr, "No LimeSDR board found: %s\n", n < 0?LMS_GetLastErrorMessage():"");
return -1;
......@@ -212,9 +224,9 @@ int trx_lms_start(openair0_device *device){
}
printf("Set TX frequency %f MHz\n",device->openair0_cfg[0].tx_freq[0]/1e6);
printf("Override antenna settings to: RX1_H, TXA_2");
LMS_SetAntenna(lms_device, LMS_CH_RX, 0, 1);
LMS_SetAntenna(lms_device, LMS_CH_TX, 0, 2);
// printf("Override antenna settings to: RX1_H, TXA_2");
// LMS_SetAntenna(lms_device, LMS_CH_RX, 0, 1);
// LMS_SetAntenna(lms_device, LMS_CH_TX, 0, 2);
......@@ -245,7 +257,7 @@ int trx_lms_start(openair0_device *device){
tx_stream.dataFmt = lms_stream_t::LMS_FMT_I12;
tx_stream.isTx = true;
trx_lms_set_gains(device, device->openair0_cfg);
if ((ret = trx_lms_set_gains(device, device->openair0_cfg))<0) return(-1);
if (LMS_SetupStream(lms_device, &tx_stream)!=0)
printf("TX stream setup failed %s\n",LMS_GetLastErrorMessage());
......@@ -259,6 +271,7 @@ int trx_lms_start(openair0_device *device){
printf("Failed to start TX stream %s\n",LMS_GetLastErrorMessage());
if (LMS_StartStream(&tx_stream)!=0)
printf("Failed to start Rx stream %s\n",LMS_GetLastErrorMessage());
device->trx_started=1;
return 0;
}
......@@ -272,6 +285,7 @@ int trx_lms_stop(openair0_device *device) {
LMS_DestroyStream(lms_device,&rx_stream);
LMS_DestroyStream(lms_device,&tx_stream);
LMS_Close(lms_device);
device->trx_started=0;
}
/*! \brief Set frequencies (TX/RX)
......@@ -292,19 +306,27 @@ int trx_lms_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,in
// 31 = 19 dB => 105 dB total gain @ 2.6 GHz
/*! \brief calibration table for LMSSDR */
// V1.2 board
rx_gain_calib_table_t calib_table_lmssdr_1v2[] = {
{3500000000.0,44.0}, // on L PAD
{2660000000.0,62.0}, // on L PAD
{2300000000.0,62.0}, // on L PAD
{1880000000.0,64.0}, // on L PAD
{816000000.0,79.0}, // on W PAD
{-1,0}};
// V1.4 board
rx_gain_calib_table_t calib_table_lmssdr[] = {
{3500000000.0,70.0},
{2660000000.0,80.0},
{2300000000.0,80.0},
{1880000000.0,74.0}, // on W PAD
{816000000.0,76.0}, // on W PAD
{3500000000.0,97.0}, // on H PAD
{2660000000.0,110.0}, // on H PAD
{2300000000.0,106.0}, // on H PAD
{1880000000.0,106.0}, // on H PAD
{816000000.0,102.0}, // on W PAD
{-1,0}};
/*! \brief Get LMSSDR Statistics
* \param device the hardware to use
* \returns 0 in success
......@@ -332,7 +354,7 @@ int trx_lms_reset_stats(openair0_device* device) {
*/
void trx_lms_end(openair0_device *device) {
device->trx_started=0;
}
extern "C" {
......
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
View file @ ce14050b
......@@ -88,6 +88,12 @@ typedef struct
//! Sampling rate
double sample_rate;
//! rx RF frequency
double rx_RFfreq;
//! tx RF frequency
double tx_RFfreq;
//! time offset between transmiter timestamp and receiver timestamp;
double tdiff;
......@@ -137,6 +143,8 @@ static int trx_usrp_start(openair0_device *device)
s->tx_count = 0;
s->rx_timestamp = 0;
device->trx_started=1;
return 0;
}
/*! \brief Terminate operation of the USRP transceiver -- free all associated resources
......@@ -152,7 +160,7 @@ static void trx_usrp_end(openair0_device *device)
s->tx_md.end_of_burst = true;
s->tx_stream->send("", 0, s->tx_md);
s->tx_md.end_of_burst = false;
device->trx_started=0;
}
/*! \brief Called to send samples to the USRP RF target
......@@ -388,14 +396,45 @@ int trx_usrp_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,
usrp_state_t *s = (usrp_state_t*)device->priv;
pthread_t f_thread;
printf("Setting USRP TX Freq %f, RX Freq %f\n",openair0_cfg[0].tx_freq[0],openair0_cfg[0].rx_freq[0]);
double rx_off,tx_off;
if (fabs(s->rx_RFfreq-openair0_cfg[0].rx_freq[0])<1e6) {
// induce use of digital tuning
rx_off = s->rx_RFfreq-openair0_cfg[0].rx_freq[0];
}
else { // allow UHD to select the frequnecy
rx_off = 0;
s->rx_RFfreq = openair0_cfg[0].rx_freq[0];
}
if (fabs(s->tx_RFfreq-openair0_cfg[0].tx_freq[0])<1e6) {
// induce use of digital tuning
tx_off = s->tx_RFfreq-openair0_cfg[0].tx_freq[0];
}
else { // allow UHD to select the frequnecy
tx_off = 0;
s->tx_RFfreq = openair0_cfg[0].tx_freq[0];
}
printf("Setting USRP TX Freq %f (%f), RX Freq %f (%f)\n",s->tx_RFfreq,tx_off,s->rx_RFfreq,rx_off);
// spawn a thread to handle the frequency change to not block the calling thread
if (dont_block == 1)
pthread_create(&f_thread,NULL,freq_thread,(void*)device);
else {
s->usrp->set_tx_freq(device->openair0_cfg[0].tx_freq[0]);
s->usrp->set_rx_freq(device->openair0_cfg[0].rx_freq[0]);
uhd::tune_request_t treq_rx(s->rx_RFfreq+rx_off);
treq_rx.rf_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
treq_rx.rf_freq = s->rx_RFfreq;
s->usrp->set_rx_freq(treq_rx);
uhd::tune_request_t treq_tx(s->tx_RFfreq+tx_off);
treq_tx.rf_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
treq_tx.rf_freq = s->tx_RFfreq;
s->usrp->set_tx_freq(treq_tx);
}
return(0);
......@@ -453,6 +492,7 @@ int trx_usrp_set_gains(openair0_device* device,
* \param card refers to the hardware index to use
*/
int trx_usrp_stop(openair0_device* device) {
device->trx_started=0;
return(0);
}
......
targets/RT/USER/lte-ue.c
View file @ ce14050b
......@@ -372,14 +372,15 @@ static void *UE_thread_synch(void *arg)
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
printf("Started device, unlocked sync_mutex (UE_sync_thread)\n");
if (UE->rfdevice.trx_start_func(&UE->rfdevice) != 0 ) {
LOG_E(HW,"Could not start the device\n");
oai_exit=1;
}
pthread_mutex_unlock(&sync_mutex);
printf("Started device, unlocked sync_mutex (UE_sync_thread)\n");
while (oai_exit==0) {
if (pthread_mutex_lock(&UE->proc.mutex_synch) != 0) {
......@@ -496,13 +497,14 @@ static void *UE_thread_synch(void *arg)
UE->rfdevice.trx_set_freq_func(&UE->rfdevice,&openair0_cfg[0],0);
//UE->rfdevice.trx_set_gains_func(&openair0,&openair0_cfg[0]);
UE->rfdevice.trx_stop_func(&UE->rfdevice);
sleep(1);
//UE->rfdevice.trx_stop_func(&UE->rfdevice);
// sleep(1);
init_frame_parms(&UE->frame_parms,1);
if (UE->rfdevice.trx_start_func(&UE->rfdevice) != 0 ) {
LOG_E(HW,"Could not start the device\n");
oai_exit=1;
}
// if (UE->rfdevice.trx_start_func(&UE->rfdevice) != 0 ) {
// LOG_E(HW,"Could not start the device\n");
// oai_exit=1;
// }
}
else {
UE->is_synchronized = 1;
......@@ -950,6 +952,9 @@ void *UE_thread(void *arg) {
itti_send_msg_to_task (TASK_NAS_UE, INSTANCE_DEFAULT, message_p);
#endif
while (UE->rfdevice.trx_started==0)
usleep(500);
while (!oai_exit) {
if (UE->is_synchronized == 0) {
......
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