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OpenXG-RAN
Commit 08d89933 authored by Raymond Knopp's avatar Raymond Knopp
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expressmimo TX ok.

parent 6d51052e
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Showing with 193 additions and 107 deletions
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ 08d89933
......@@ -2562,8 +2562,14 @@ void phy_procedures_eNB_common_RX(PHY_VARS_eNB *eNB,const uint8_t abstraction_fl
proc->subframe_rx = (proc->timestamp_rx / fp->samples_per_tti)%10;
if (proc->first_rx == 0) {
AssertFatal(proc->subframe_rx == subframe, "Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)",proc->subframe_rx,subframe);
AssertFatal(proc->frame_rx == frame, "Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)",proc->frame_rx,frame);
if (proc->subframe_rx != subframe){
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->subframe_rx,subframe);
exit_fun("Exiting");
}
if (proc->frame_rx != frame) {
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,frame);
exit_fun("Exiting");
}
} else {
proc->first_rx = 0;
}
......
targets/ARCH/COMMON/common_lib.h
View file @ 08d89933
......@@ -158,6 +158,10 @@ typedef struct {
int rx_num_channels;
//! number of TX channels (=TX antennas)
int tx_num_channels;
//! \brief RX base addresses for mmapped_dma
int32_t* rxbase[4];
//! \brief TX base addresses for mmapped_dma
int32_t* txbase[4];
//! \brief Center frequency in Hz for RX.
//! index: [0..rx_num_channels[
double rx_freq[4];
......
targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
View file @ 08d89933
......@@ -64,7 +64,10 @@
#include <pthread.h>
#define max(a,b) ((a)>(b) ? (a) : (b))
exmimo_pci_interface_bot_virtual_t openair0_exmimo_pci[MAX_CARDS]; // contains userspace pointers for each card
char *bigshm_top[MAX_CARDS] = INIT_ZEROS;
......@@ -90,6 +93,7 @@ extern volatile int oai_exit;
void kill_watchdog(openair0_device *);
void create_watchdog(openair0_device *);
void rt_sleep(struct timespec *,long );
unsigned int log2_int( unsigned int x )
{
......@@ -272,6 +276,20 @@ int openair0_stop_without_reset(int card)
#define MY_RF_MODE (RXEN + TXEN + TXLPFNORM + TXLPFEN + TXLPF25 + RXLPFNORM + RXLPFEN + RXLPF25 + LNA1ON +LNAMax + RFBBNORM + DMAMODE_RX + DMAMODE_TX)
#define RF_MODE_BASE (LNA1ON + RFBBNORM)
void rt_sleep(struct timespec *ts,long tv_nsec) {
clock_gettime(CLOCK_MONOTONIC, ts);
ts->tv_nsec += tv_nsec;
if (ts->tv_nsec>=1000000000L) {
ts->tv_nsec -= 1000000000L;
ts->tv_sec++;
}
clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, ts, NULL);
}
static void *watchdog_thread(void *arg) {
int policy, s, j;
......@@ -284,7 +302,12 @@ static void *watchdog_thread(void *arg) {
volatile unsigned int *daq_mbox = openair0_daq_cnt();
unsigned int mbox,diff;
int first_acquisition;
struct timespec sleep_time,wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
/* Set affinity mask to include CPUs 1 to MAX_CPUS */
/* CPU 0 is reserved for UHD threads */
/* CPU 1 is reserved for all TX threads */
......@@ -388,6 +411,8 @@ static void *watchdog_thread(void *arg) {
first_acquisition=1;
// main loop to keep up with DMA transfers from exmimo2
int cnt_diff0=0;
while ((!oai_exit) && (!exm->watchdog_exit)) {
if (exm->daq_state == running) {
......@@ -403,7 +428,7 @@ static void *watchdog_thread(void *arg) {
}
exm->last_mbox = mbox;
pthread_mutex_lock(&exm->watchdog_mutex);
pthread_mutex_timedlock(&exm->watchdog_mutex,&wait);
exm->ts += (diff*exm->samples_per_frame/150) ;
if (first_acquisition==1) //set last read to a closest subframe boundary
......@@ -416,9 +441,14 @@ static void *watchdog_thread(void *arg) {
first_acquisition=0;
if (diff == 0) {
exm->watchdog_exit = 1;
printf("exiting, HW stopped\n");
cnt_diff0++;
if (cnt_diff0 == 10) {
exm->watchdog_exit = 1;
printf("exiting, HW stopped\n");
}
}
else
cnt_diff0=0;
if (exm->ts - exm->last_ts_rx > exm->samples_per_frame) {
exm->watchdog_exit = 1;
......@@ -427,12 +457,11 @@ static void *watchdog_thread(void *arg) {
// printf("ts %lu, last_ts_rx %lu, mbox %d, diff %d\n",exm->ts, exm->last_ts_rx,mbox,diff);
pthread_mutex_unlock(&exm->watchdog_mutex);
}
usleep(500); // sleep for 500us
rt_sleep(&sleep_time,250000L);
}
oai_exit=1;
printf("Exiting watchdog\n");
return NULL;
}
......@@ -473,13 +502,23 @@ int trx_exmimo_read(openair0_device *device, openair0_timestamp *ptimestamp, voi
exmimo_state_t *exm=device->priv;
openair0_config_t *cfg=&device->openair0_cfg[0];
openair0_timestamp ts,diff;
openair0_timestamp old_ts=0,ts,diff;
struct timespec sleep_time;
unsigned long tv_nsec;
// int i;
struct timespec wait;
pthread_mutex_lock(&exm->watchdog_mutex);
wait.tv_sec=0;
wait.tv_nsec=5000000L;
if (exm->watchdog_exit == 1)
return(0);
pthread_mutex_timedlock(&exm->watchdog_mutex,&wait);
ts = exm->ts;
pthread_mutex_unlock(&exm->watchdog_mutex);
while (ts < exm->last_ts_rx + nsamps) {
while ((ts < exm->last_ts_rx + nsamps) &&
(exm->watchdog_exit==0)) {
diff = exm->last_ts_rx+nsamps - ts; // difference in samples between current timestamp and last RX received sample
// go to sleep until we should have enough samples (1024 for a bit more)
......@@ -487,14 +526,21 @@ int trx_exmimo_read(openair0_device *device, openair0_timestamp *ptimestamp, voi
printf("Reading %d samples, ts %lu, last_ts_rx %lu (%lu) => sleeping %u us\n",nsamps,ts,exm->last_ts_rx,exm->last_ts_rx+nsamps,
(unsigned int)((double)(diff+1024)*1e6/cfg->sample_rate));
#endif
usleep((unsigned int)((double)(diff+1024)*1e6/cfg->sample_rate));
tv_nsec=(unsigned long)((double)(diff+3840)*1e9/cfg->sample_rate);
// tv_nsec = 500000L;
old_ts = ts;
rt_sleep(&sleep_time,tv_nsec);
#ifdef DEBUG_EXMIMO
printf("back\n");
#endif
// get new timestamp, in case we have to sleep again
pthread_mutex_lock(&exm->watchdog_mutex);
pthread_mutex_timedlock(&exm->watchdog_mutex,&wait);
ts = exm->ts;
pthread_mutex_unlock(&exm->watchdog_mutex);
if (old_ts == ts) {
printf("ts stopped, returning\n");
return(0);
}
}
/*
......@@ -511,6 +557,7 @@ int trx_exmimo_read(openair0_device *device, openair0_timestamp *ptimestamp, voi
*ptimestamp=exm->last_ts_rx;
exm->last_ts_rx += nsamps;
return(nsamps);
}
......@@ -659,6 +706,7 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
/* device specific */
openair0_cfg[card].iq_txshift = 4;//shift
openair0_cfg[card].iq_rxrescale = 15;//rescale iqs
openair0_cfg[card].mmapped_dma = 1;
if (openair0_cfg[card].sample_rate==30.72e6) {
resampling_factor = 0;
......@@ -690,6 +738,10 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
#endif
for (ant=0; ant<4; ant++) {
openair0_cfg[card].rxbase[ant] = (int32_t*)openair0_exmimo_pci[card].adc_head[ant];
openair0_cfg[card].txbase[ant] = (int32_t*)openair0_exmimo_pci[card].dac_head[ant];
if (openair0_cfg[card].rx_freq[ant] || openair0_cfg[card].tx_freq[ant]) {
ACTIVE_RF += (1<<ant)<<5;
p_exmimo_config->rf.rf_mode[ant] = RF_MODE_BASE;
......@@ -697,14 +749,14 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
printf("card %d, antenna %d, autocal %d\n",card,ant,openair0_cfg[card].autocal[ant]);
}
if (openair0_cfg[card].tx_freq[ant]) {
if (openair0_cfg[card].tx_freq[ant]>0) {
p_exmimo_config->rf.rf_mode[ant] += (TXEN + DMAMODE_TX + TXLPFNORM + TXLPFEN + tx_filter);
p_exmimo_config->rf.rf_freq_tx[ant] = (unsigned int)openair0_cfg[card].tx_freq[ant];
p_exmimo_config->rf.tx_gain[ant][0] = (unsigned int)openair0_cfg[card].tx_gain[ant];
printf("openair0 : programming card %d TX antenna %d (freq %u, gain %d)\n",card,ant,p_exmimo_config->rf.rf_freq_tx[ant],p_exmimo_config->rf.tx_gain[ant][0]);
}
if (openair0_cfg[card].rx_freq[ant]) {
if (openair0_cfg[card].rx_freq[ant]>0) {
p_exmimo_config->rf.rf_mode[ant] += (RXEN + DMAMODE_RX + RXLPFNORM + RXLPFEN + rx_filter);
p_exmimo_config->rf.rf_freq_rx[ant] = (unsigned int)openair0_cfg[card].rx_freq[ant];
......@@ -786,13 +838,14 @@ int openair0_reconfig(openair0_config_t *openair0_cfg)
if (openair0_cfg[card].tx_freq[ant]) {
p_exmimo_config->rf.rf_freq_tx[ant] = (unsigned int)openair0_cfg[card].tx_freq[ant];
p_exmimo_config->rf.tx_gain[ant][0] = (unsigned int)openair0_cfg[card].tx_gain[ant];
//printf("openair0 : programming TX antenna %d (freq %u, gain %d)\n",ant,p_exmimo_config->rf.rf_freq_tx[ant],p_exmimo_config->rf.tx_gain[ant][0]);
printf("openair0 : programming TX antenna %d (freq %u, gain %d)\n",ant,p_exmimo_config->rf.rf_freq_tx[ant],p_exmimo_config->rf.tx_gain[ant][0]);
}
if (openair0_cfg[card].rx_freq[ant]) {
p_exmimo_config->rf.rf_freq_rx[ant] = (unsigned int)openair0_cfg[card].rx_freq[ant];
p_exmimo_config->rf.rx_gain[ant][0] = (unsigned int)openair0_cfg[card].rx_gain[ant];
//printf("openair0 : programming RX antenna %d (freq %u, gain %d)\n",ant,p_exmimo_config->rf.rf_freq_rx[ant],p_exmimo_config->rf.rx_gain[ant][0]);
printf("openair0 : programming RX antenna %d (freq %u, gain %d)\n",ant,p_exmimo_config->rf.rf_freq_rx[ant],p_exmimo_config->rf.rx_gain[ant][0]);
switch (openair0_cfg[card].rxg_mode[ant]) {
default:
......
targets/RT/USER/lte-enb.c
View file @ 08d89933
This diff is collapsed.
targets/RT/USER/lte-softmodem.c
View file @ 08d89933
......@@ -416,11 +416,20 @@ void help (void) {
void exit_fun(const char* s)
{
int CC_id;
if (s != NULL) {
printf("%s %s() Exiting OAI softmodem: %s\n",__FILE__, __FUNCTION__, s);
}
oai_exit = 1;
for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
if (PHY_vars_eNB_g[0][CC_id]->rfdevice.trx_end_func)
PHY_vars_eNB_g[0][CC_id]->rfdevice.trx_end_func(&PHY_vars_eNB_g[0][CC_id]->rfdevice);
if (PHY_vars_eNB_g[0][CC_id]->ifdevice.trx_end_func)
PHY_vars_eNB_g[0][CC_id]->ifdevice.trx_end_func(&PHY_vars_eNB_g[0][CC_id]->ifdevice);
}
#if defined(ENABLE_ITTI)
sleep(1); //allow lte-softmodem threads to exit first
......@@ -1563,8 +1572,16 @@ int main( int argc, char **argv )
for (i=0; i<4; i++) {
openair0_cfg[card].tx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] : downlink_frequency[0][i]+uplink_frequency_offset[0][i];
openair0_cfg[card].rx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] + uplink_frequency_offset[0][i] : downlink_frequency[0][i];
if (i<openair0_cfg[card].tx_num_channels)
openair0_cfg[card].tx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] : downlink_frequency[0][i]+uplink_frequency_offset[0][i];
else
openair0_cfg[card].tx_freq[i]=0.0;
if (i<openair0_cfg[card].rx_num_channels)
openair0_cfg[card].rx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] + uplink_frequency_offset[0][i] : downlink_frequency[0][i];
else
openair0_cfg[card].rx_freq[i]=0.0;
printf("Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f\n",
card,i, openair0_cfg[card].tx_gain[i],
openair0_cfg[card].rx_gain[i],
......@@ -1952,11 +1969,15 @@ int main( int argc, char **argv )
pthread_cond_destroy(&sync_cond);
pthread_mutex_destroy(&sync_mutex);
// *** Handle per CC_id openair0
openair0.trx_end_func(&openair0);
// *** Handle per CC_id openair0
if (UE_flag==1)
openair0.trx_end_func(&openair0);
for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
PHY_vars_eNB_g[0][CC_id]->rfdevice.trx_end_func(&PHY_vars_eNB_g[0][CC_id]->rfdevice);
PHY_vars_eNB_g[0][CC_id]->ifdevice.trx_end_func(&PHY_vars_eNB_g[0][CC_id]->ifdevice);
if (PHY_vars_eNB_g[0][CC_id]->rfdevice.trx_end_func)
PHY_vars_eNB_g[0][CC_id]->rfdevice.trx_end_func(&PHY_vars_eNB_g[0][CC_id]->rfdevice);
if (PHY_vars_eNB_g[0][CC_id]->ifdevice.trx_end_func)
PHY_vars_eNB_g[0][CC_id]->ifdevice.trx_end_func(&PHY_vars_eNB_g[0][CC_id]->ifdevice);
}
if (ouput_vcd)
......
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