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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5504 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
Raymond Knopp
2014-07-15 18:29:13 +00:00
parent 1a044242a7
commit 777b148545
1 changed files with 36 additions and 1 deletions
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targets/RT/USER/lte-softmodem.c
+36 -1
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@@ -137,7 +137,8 @@ int32_t init_rx_pdsch_thread(void);
void cleanup_rx_pdsch_thread(void);
s32 *rxdata;
s32 *txdata;
void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms, int carrier);
void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_parms, int carrier);
@@ -1042,6 +1043,10 @@ static void *eNB_thread(void *arg)
int sf;
#ifndef USRP
volatile unsigned int *DAQ_MBOX = openair0_daq_cnt();
#else
int rx_cnt = 0;
int tx_cnt = tx_delay;
hw_subframe = 0;
#endif
#if defined(ENABLE_ITTI)
/* Wait for eNB application initialization to be complete (eNB registration to MME) */
@@ -2361,6 +2366,10 @@ void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms,
void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_parms, int carrier) {
int i,j;
#ifdef USRP
uint16_t N_TA_offset = 0;
#endif
if (phy_vars_eNB) {
if ((frame_parms->nb_antennas_rx>1) && (carrier>0)) {
@@ -2372,8 +2381,18 @@ void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_par
printf("TX antennas > 1 and carrier > 0 not possible\n");
exit(-1);
}
if (frame_parms->frame_type == TDD) {
if (phy_vars_eNB->lte_frame_parms.N_RB_DL == 100)
N_TA_offset = 624;
else if (phy_vars_eNB->lte_frame_parms.N_RB_DL == 50)
N_TA_offset = 624/2;
else if (phy_vars_eNB->lte_frame_parms.N_RB_DL == 25)
N_TA_offset = 624/4;
}
// replace RX signal buffers with mmaped HW versions
#ifndef USRP
for (i=0;i<frame_parms->nb_antennas_rx;i++) {
free(phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i]);
phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i] = (int32_t*) openair0_exmimo_pci[card].adc_head[i+carrier];
@@ -2394,5 +2413,21 @@ void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_par
phy_vars_eNB->lte_eNB_common_vars.txdata[0][i][j] = 16-j;
}
}
#else // USRP
for (i=0;i<frame_parms->nb_antennas_rx;i++) {
free(phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i]);
rxdata = (s32*)malloc16(samples_per_frame*sizeof(s32));
phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i] = rxdata-N_TA_offset; // N_TA offset for TDD
memset(rxdata, 0, samples_per_frame*sizeof(s32));
printf("rxdata[%d] @ %p\n", i, phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i]);
}
for (i=0;i<frame_parms->nb_antennas_tx;i++) {
free(phy_vars_eNB->lte_eNB_common_vars.txdata[0][i]);
txdata = (s32*)malloc16(samples_per_frame*sizeof(s32));
phy_vars_eNB->lte_eNB_common_vars.txdata[0][i] = txdata;
memset(txdata, 0, samples_per_frame*sizeof(s32));
printf("txdata[%d] @ %p\n", i, phy_vars_eNB->lte_eNB_common_vars.txdata[0][i]);
}
#endif
}
}