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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5573 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
Raymond Knopp
2014-07-18 14:02:38 +00:00
parent daeb530499
commit f6aaedf3d1
2 changed files with 96 additions and 32 deletions
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targets/RT/USER/lte-softmodem.c
+71 -15
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@@ -71,7 +71,12 @@ static int hw_subframe;
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#ifndef USRP
#include "openair0_lib.h"
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "PHY/vars.h"
@@ -227,7 +232,7 @@ static char *itti_dump_file = NULL;
#endif
double tx_gain = 20;
double rx_gain = 30;
double rx_gain = 20;
double sample_rate=30.72e6;
double bw = 14e6;
@@ -292,7 +297,7 @@ static int mbox_bounds[20] = {8,16,24,30,38,46,54,60,68,7
static LTE_DL_FRAME_PARMS *frame_parms;
int multi_thread=0;
int multi_thread=1;
int N_RB_DL=25;
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
@@ -698,7 +703,9 @@ 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);
@@ -753,8 +760,42 @@ void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
((short*)dummy_tx_b)[2*i+1]<<4;
}
#endif //EXMIMO
}
#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[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
}
}
@@ -1248,8 +1289,8 @@ static void *eNB_thread(void *arg)
if (multi_thread == 0) {
if ((slot&1) == 0) {
LOG_I(PHY,"[eNB] Single thread slot %d\n",slot);
phy_procedures_eNB_lte ((1+(slot>>1))%10, PHY_vars_eNB_g[0], 0, no_relay,NULL);
do_OFDM_mod((1+(slot>>1))%10,PHY_vars_eNB_g[0]);
phy_procedures_eNB_lte ((2+(slot>>1))%10, PHY_vars_eNB_g[0], 0, no_relay,NULL);
do_OFDM_mod((2+(slot>>1))%10,PHY_vars_eNB_g[0]);
}
}
else { // multi-thread > 0
@@ -1570,6 +1611,9 @@ static void get_options (int argc, char **argv) {
int c;
// char line[1000];
// int l;
#ifdef USRP
int clock_src;
#endif
const Enb_properties_array_t *enb_properties;
enum long_option_e {
@@ -1627,7 +1671,7 @@ static void get_options (int argc, char **argv) {
mode = no_L2_connect;
break;
case 'M':
multi_thread=1;
multi_thread=0;
break;
case 'C':
downlink_frequency[0] = atof(optarg); // Use float to avoid issue with frequency over 2^31.
@@ -1692,15 +1736,16 @@ static void get_options (int argc, char **argv) {
}
case 's':
#ifdef USRP
int clock_src = atoi(optarg);
if (clock_src == 0) {
char ref[128] = "internal";
//strncpy(uhd_ref, ref, strlen(ref)+1);
}
else if (clock_src == 1) {
char ref[128] = "external";
//strncpy(uhd_ref, ref, strlen(ref)+1);
}
clock_src = atoi(optarg);
if (clock_src == 0) {
char ref[128] = "internal";
//strncpy(uhd_ref, ref, strlen(ref)+1);
}
else if (clock_src == 1) {
char ref[128] = "external";
//strncpy(uhd_ref, ref, strlen(ref)+1);
}
#else
printf("Note: -s not defined for ExpressMIMO2\n");
#endif
@@ -2155,7 +2200,10 @@ int main(int argc, char **argv) {
PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][i] = 0x00010001;
}
#ifndef USRP
openair0_dump_config(card);
#endif
/*
for (ant=0;ant<4;ant++)
p_exmimo_config->rf.do_autocal[ant] = 0;
@@ -2212,8 +2260,10 @@ int main(int argc, char **argv) {
// this starts the DMA transfers
#ifndef USRP
if (UE_flag!=1)
openair0_start_rt_acquisition(card);
#endif
#ifdef XFORMS
if (do_forms==1) {
@@ -2412,10 +2462,12 @@ int main(int argc, char **argv) {
#endif
#endif
#ifndef USRP
printf("stopping card\n");
openair0_stop(card);
printf("closing openair0_lib\n");
openair0_close();
#endif
#ifdef EMOS
printf("waiting for EMOS thread\n");
@@ -2439,6 +2491,7 @@ int main(int argc, char **argv) {
void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms, int carrier) {
int i;
#ifndef USRP
if (phy_vars_ue) {
if ((frame_parms->nb_antennas_rx>1) && (carrier>0)) {
printf("RX antennas > 1 and carrier > 0 not possible\n");
@@ -2465,6 +2518,9 @@ void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms,
printf("txdata[%d] @ %p\n",i,phy_vars_ue->lte_ue_common_vars.txdata[i]);
}
}
#else
printf("USRP not supported for UE yet!");
#endif
}
void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_parms, int carrier) {