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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5647 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
Raymond Knopp
2014-08-04 16:19:14 +00:00
parent 756b2be739
commit abf652dd1c
1 changed files with 59 additions and 70 deletions
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targets/RT/USER/lte-softmodem.c
+59 -70
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@@ -709,9 +709,7 @@ void *l2l1_task(void *arg)
void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
unsigned int aa,slot_offset, slot_offset_F;
#ifndef USRP
int dummy_tx_b[7680*4] __attribute__((aligned(16)));
#endif
int i, tx_offset;
int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
@@ -724,7 +722,7 @@ void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_S))) {
// LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
#ifdef EXMIMO
for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
if (phy_vars_eNB->lte_frame_parms.Ncp == EXTENDED){
PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
@@ -767,42 +765,6 @@ void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
((short*)dummy_tx_b)[2*i+1]<<4;
}
}
#else
for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
if (phy_vars_eNB->lte_frame_parms.Ncp == EXTENDED){
PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
phy_vars_eNB->lte_frame_parms.log2_symbol_size,
6,
phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
phy_vars_eNB->lte_frame_parms.twiddle_ifft,
phy_vars_eNB->lte_frame_parms.rev,
CYCLIC_PREFIX);
PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF],
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset+(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1)],
phy_vars_eNB->lte_frame_parms.log2_symbol_size,
6,
phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
phy_vars_eNB->lte_frame_parms.twiddle_ifft,
phy_vars_eNB->lte_frame_parms.rev,
CYCLIC_PREFIX);
}
else {
normal_prefix_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
7,
&(phy_vars_eNB->lte_frame_parms));
normal_prefix_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF],
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset+(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1)],
7,
&(phy_vars_eNB->lte_frame_parms));
}
}
#endif //EXMIMO
}
}
@@ -812,7 +774,6 @@ static void * eNB_thread_tx(void *param) {
//unsigned long cpuid;
eNB_proc_t *proc = (eNB_proc_t*)param;
int subframe_tx;
// RTIME time_in,time_out;
#ifdef RTAI
RT_TASK *task;
@@ -854,11 +815,6 @@ static void * eNB_thread_tx(void *param) {
rt_make_hard_real_time();
#endif
#ifndef USRP
subframe_tx = (proc->subframe+1)%10;
#else
subframe_tx = (proc->subframe+2)%10;
#endif
while (!oai_exit){
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe),0);
@@ -889,18 +845,19 @@ static void * eNB_thread_tx(void *param) {
if (oai_exit) break;
if ((((PHY_vars_eNB_g[0]->lte_frame_parms.frame_type == TDD)&&(subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,subframe_tx)==SF_DL))||
if ((((PHY_vars_eNB_g[0]->lte_frame_parms.frame_type == TDD)&&
(subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,proc->subframe_tx)==SF_DL))||
(PHY_vars_eNB_g[0]->lte_frame_parms.frame_type == FDD))) {
phy_procedures_eNB_TX(subframe_tx,PHY_vars_eNB_g[0],0,no_relay,NULL);
phy_procedures_eNB_TX(proc->subframe,PHY_vars_eNB_g[0],0,no_relay,NULL);
}
if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,subframe_tx)==SF_S)) {
phy_procedures_eNB_TX(subframe_tx,PHY_vars_eNB_g[0],0,no_relay,NULL);
if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,proc->subframe_tx)==SF_S)) {
phy_procedures_eNB_TX(proc->subframe,PHY_vars_eNB_g[0],0,no_relay,NULL);
}
do_OFDM_mod(subframe_tx,PHY_vars_eNB_g[0]);
do_OFDM_mod(proc->subframe_tx,PHY_vars_eNB_g[0]);
if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
printf("[openair][SCHED][eNB] error locking mutex for eNB TX proc %d\n",proc->subframe);
@@ -944,7 +901,6 @@ static void * eNB_thread_rx(void *param) {
//unsigned long cpuid;
eNB_proc_t *proc = (eNB_proc_t*)param;
int i;
int subframe_rx;
// RTIME time_in,time_out;
#ifdef RTAI
RT_TASK *task;
@@ -983,9 +939,6 @@ static void * eNB_thread_rx(void *param) {
rt_make_hard_real_time();
#endif
subframe_rx = (proc->subframe+9)%10;
while (!oai_exit){
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe),0);
@@ -1011,12 +964,12 @@ static void * eNB_thread_rx(void *param) {
if (oai_exit) break;
if ((((PHY_vars_eNB_g[0]->lte_frame_parms.frame_type == TDD )&&(subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,subframe_rx)==SF_UL)) ||
if ((((PHY_vars_eNB_g[0]->lte_frame_parms.frame_type == TDD )&&(subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,proc->subframe_rx)==SF_UL)) ||
(PHY_vars_eNB_g[0]->lte_frame_parms.frame_type == FDD))){
phy_procedures_eNB_RX(subframe_rx,PHY_vars_eNB_g[0],0,no_relay);
phy_procedures_eNB_RX(proc->subframe,PHY_vars_eNB_g[0],0,no_relay);
}
if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,subframe_rx)==SF_S)){
phy_procedures_eNB_S_RX(subframe_rx,PHY_vars_eNB_g[0],0,no_relay);
if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,proc->subframe_rx)==SF_S)){
phy_procedures_eNB_S_RX(proc->subframe,PHY_vars_eNB_g[0],0,no_relay);
}
if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
@@ -1089,14 +1042,31 @@ void init_eNB_proc() {
pthread_create(&PHY_vars_eNB_g[0]->proc[i].pthread_tx,NULL,eNB_thread_tx,(void*)&PHY_vars_eNB_g[0]->proc[i]);
pthread_create(&PHY_vars_eNB_g[0]->proc[i].pthread_rx,NULL,eNB_thread_rx,(void*)&PHY_vars_eNB_g[0]->proc[i]);
PHY_vars_eNB_g[0]->proc[i].frame_tx = 0;
PHY_vars_eNB_g[0]->proc[i].frame_rx = 0;
PHY_vars_eNB_g[0]->proc[i].frame_rx = 0;
#ifndef USRP
PHY_vars_eNB_g[0]->proc[i].subframe_rx = (i+9)%10;
PHY_vars_eNB_g[0]->proc[i].subframe_tx = (i+1)%10;
#else
PHY_vars_eNB_g[0]->proc[i].subframe_rx = i;
PHY_vars_eNB_g[0]->proc[i].subframe_tx = (i+2)%10;
#endif
}
#ifndef USRP
// TX processes subframe + 1, RX subframe -1
// Note this inialization is because the first process awoken for frame 0 is number 1 and so processes 9 and 0 have to start with frame 1
//PHY_vars_eNB_g[0]->proc[0].frame_rx = 1023;
PHY_vars_eNB_g[0]->proc[9].frame_tx = 1;
PHY_vars_eNB_g[0]->proc[0].frame_tx = 1;
#else
// TX processes subframe +2, RX subframe
// Note this inialization is because the first process awoken for frame 0 is number 1 and so processes 8,9 and 0 have to start with frame 1
PHY_vars_eNB_g[0]->proc[8].frame_tx = 1;
PHY_vars_eNB_g[0]->proc[9].frame_tx = 1;
PHY_vars_eNB_g[0]->proc[0].frame_tx = 1;
#endif
}
void kill_eNB_proc() {
@@ -1151,7 +1121,11 @@ static void *eNB_thread(void *arg)
#ifdef RTAI
RT_TASK *task;
#endif
unsigned char slot=0;//,last_slot, next_slot;
#ifndef USRP
unsigned char slot=0;
#else
unsigned char slot=1;
#endif
int frame=0;
RTIME time_in, time_diff;
@@ -1289,15 +1263,26 @@ static void *eNB_thread(void *arg)
openair0_timestamp time0,time1;
unsigned int rxs;
// Grab 1/4 of RX buffer and get timestamp
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ,1);
/*
// Grab 1/4 of RX buffer and get timestamp
rxs = openair0.trx_read_func(&openair0,
&timestamp,
&rxdata[rx_cnt*samples_per_packets],
(samples_per_packets>>2));
if (rxs != (samples_per_packets>>2))
oai_exit=1;
*/
rxs = openair0.trx_read_func(&openair0,
&timestamp,
&rxdata[rx_cnt*samples_per_packets],
samples_per_packets);
if (rxs != samples_per_packets)
oai_exit=1;
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ,0);
// Transmit TX buffer based on timestamp from RX
@@ -1308,7 +1293,7 @@ static void *eNB_thread(void *arg)
samples_per_packets,
1);
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE,0);
/*
// Grab remaining 3/4 of RX buffer
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ,1);
rxs = openair0.trx_read_func(&openair0,
@@ -1318,7 +1303,7 @@ static void *eNB_thread(void *arg)
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ,0);
if (rxs != (3*(samples_per_packets>>2)))
oai_exit=1;
*/
rx_cnt++;
tx_cnt++;
@@ -1329,6 +1314,7 @@ static void *eNB_thread(void *arg)
if(rx_cnt == max_cnt)
rx_cnt = 0;
#endif // USRP
@@ -1421,18 +1407,21 @@ static void *eNB_thread(void *arg)
#ifndef USRP
slot++;
if (slot == 20) {
frame++;
slot = 0;
}
#else
hw_subframe++;
slot+=2;
if(hw_subframe==10) {
hw_subframe = 0;
}
#endif
if (slot==20) {
slot=0;
frame++;
slot = 1;
}
#endif
#if defined(ENABLE_ITTI)
itti_update_lte_time(frame, slot);
#endif