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UL Ref Sig Seq: initialize only once, free and reset to NULL

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This commit is contained in:
Robert Schmidt
2022-02-21 13:35:35 +01:00
parent 7638e65379
commit e66e9eef7d
1 changed files with 13 additions and 3 deletions
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openair1/PHY/NR_REFSIG/ul_ref_seq_nr.c
+13 -3
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@@ -204,6 +204,11 @@ int16_t *base_sequence_36_or_larger(unsigned int Msc_RS,
void generate_lowpapr_typ1_refsig_sequences(unsigned int scaling) void generate_lowpapr_typ1_refsig_sequences(unsigned int scaling)
{ {
/* prevent multiple calls, relevant when both UE & gNB initialize this */
static bool already_called = false;
if (already_called) return;
already_called = true;
unsigned int u,Msc_RS; unsigned int u,Msc_RS;
unsigned int v = 0; // sequence hopping and group hopping are not supported yet unsigned int v = 0; // sequence hopping and group hopping are not supported yet
@@ -223,6 +228,11 @@ void generate_lowpapr_typ1_refsig_sequences(unsigned int scaling)
void generate_ul_reference_signal_sequences(unsigned int scaling) void generate_ul_reference_signal_sequences(unsigned int scaling)
{ {
/* prevent multiple calls, relevant when both UE & gNB initialize this */
static bool already_called = false;
if (already_called) return;
already_called = true;
unsigned int u,v,Msc_RS; unsigned int u,v,Msc_RS;
#if 0 #if 0
@@ -295,10 +305,10 @@ void free_ul_reference_signal_sequences(void)
for (u=0; u < U_GROUP_NUMBER; u++) { for (u=0; u < U_GROUP_NUMBER; u++) {
for (v=0; v < V_BASE_SEQUENCE_NUMBER; v++) { for (v=0; v < V_BASE_SEQUENCE_NUMBER; v++) {
if (rv_ul_ref_sig[u][v][Msc_RS]) if (rv_ul_ref_sig[u][v][Msc_RS])
free16(rv_ul_ref_sig[u][v][Msc_RS],2*sizeof(int16_t)*ul_allocated_re[Msc_RS]); free_and_zero(rv_ul_ref_sig[u][v][Msc_RS]);
if ((v==0) && (Msc_RS < MAX_INDEX_DMRS_UL_ALLOCATED_REs)) if ((v==0) && (Msc_RS < MAX_INDEX_DMRS_UL_ALLOCATED_REs))
if (dmrs_lowpaprtype1_ul_ref_sig[u][v][Msc_RS]) if (dmrs_lowpaprtype1_ul_ref_sig[u][v][Msc_RS])
free16(dmrs_lowpaprtype1_ul_ref_sig[u][v][Msc_RS],2*sizeof(int16_t)*dmrs_ul_allocated_res[Msc_RS]); free_and_zero(dmrs_lowpaprtype1_ul_ref_sig[u][v][Msc_RS]);
} }
} }
} }
@@ -321,7 +331,7 @@ void free_gnb_lowpapr_sequences(void)
v=0; v=0;
for (u=0; u < U_GROUP_NUMBER; u++) { for (u=0; u < U_GROUP_NUMBER; u++) {
if (gNB_dmrs_lowpaprtype1_sequence[u][v][Msc_RS]) if (gNB_dmrs_lowpaprtype1_sequence[u][v][Msc_RS])
free16(gNB_dmrs_lowpaprtype1_sequence[u][v][Msc_RS],2*sizeof(int16_t)*dmrs_ul_allocated_res[Msc_RS]); free_and_zero(gNB_dmrs_lowpaprtype1_sequence[u][v][Msc_RS]);
} }
} }
} }