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move get_dft() and get_idft() from pss_nr.c to tools_defs.h

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This commit is contained in:
Thomas Schlichter
2022-03-14 16:39:17 +01:00
parent d104ef73b7
commit 31cd31826d
4 changed files with 122 additions and 164 deletions
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openair1/PHY/MODULATION/slot_fep_nr.c
+3 -44
View File
@@ -34,47 +34,6 @@
#define LOG_I(A,B...) printf(A)
#endif*/
dft_size_idx_t get_dft_size_idx(uint16_t ofdm_symbol_size)
{
switch (ofdm_symbol_size) {
case 128:
return DFT_128;
case 256:
return DFT_256;
case 512:
return DFT_512;
case 1024:
return DFT_1024;
case 1536:
return DFT_1536;
case 2048:
return DFT_2048;
case 3072:
return DFT_3072;
case 4096:
return DFT_4096;
case 6144:
return DFT_6144;
case 8192:
return DFT_8192;
default:
printf("unsupported ofdm symbol size \n");
assert(0);
}
return DFT_SIZE_IDXTABLESIZE;
}
int nr_slot_fep(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
unsigned char symbol,
@@ -96,7 +55,7 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
nb_prefix_samples0 = frame_parms->nb_prefix_samples;
}
dft_size_idx_t dftsize = get_dft_size_idx(frame_parms->ofdm_symbol_size);
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[8192] __attribute__ ((aligned (32)));
@@ -195,7 +154,7 @@ int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue,
}
unsigned int frame_length_samples = frame_parms->samples_per_frame;
dft_size_idx_t dftsize = get_dft_size_idx(frame_parms->ofdm_symbol_size);
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[8192] __attribute__ ((aligned (32)));
@@ -289,7 +248,7 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
unsigned int nb_prefix_samples = frame_parms->nb_prefix_samples;
unsigned int nb_prefix_samples0 = frame_parms->nb_prefix_samples0;
dft_size_idx_t dftsize = get_dft_size_idx(frame_parms->ofdm_symbol_size);
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[8192] __attribute__ ((aligned (32)));
openair1/PHY/NR_REFSIG/pss_nr.h
-2
View File
@@ -126,8 +126,6 @@ EXTERN time_stats_t generic_time[TIME_LAST];
/************** FUNCTION ******************************************/
idft_size_idx_t get_idft(int ofdm_symbol_size);
dft_size_idx_t get_dft(int ofdm_symbol_size);
void init_context_synchro_nr(NR_DL_FRAME_PARMS *frame_parms_ue);
void free_context_synchro_nr(void);
void init_context_pss_nr(NR_DL_FRAME_PARMS *frame_parms_ue);
openair1/PHY/NR_UE_TRANSPORT/pss_nr.c
-118
View File
@@ -48,126 +48,8 @@
#include "PHY/NR_REFSIG/sss_nr.h"
#include "PHY/NR_UE_TRANSPORT/cic_filter_nr.h"
/*******************************************************************
*
* NAME : get_idft
*
* PARAMETERS : size of ofdm symbol
*
* RETURN : index pointing to the dft func in the dft library
*
* DESCRIPTION : get idft function depending of ofdm size
*
*********************************************************************/
//#define DBG_PSS_NR
idft_size_idx_t get_idft(int ofdm_symbol_size)
{
switch (ofdm_symbol_size) {
case 128:
return IDFT_128;
break;
case 256:
return IDFT_256;
break;
case 512:
return IDFT_512;
break;
case 1024:
return IDFT_1024;
break;
case 1536:
return IDFT_1536;
break;
case 2048:
return IDFT_2048;
break;
case 3072:
return IDFT_3072;
break;
case 4096:
return IDFT_4096;
break;
case 8192:
return IDFT_8192;
break;
default:
printf("function get_idft : unsupported ofdm symbol size \n");
assert(0);
break;
}
return IDFT_SIZE_IDXTABLESIZE; // never reached and will trigger assertion in idft function
}
/*******************************************************************
*
* NAME : get_dft
*
* PARAMETERS : size of ofdm symbol
*
* RETURN : function for discrete fourier transform
*
* DESCRIPTION : get dft function depending of ofdm size
*
*********************************************************************/
dft_size_idx_t get_dft(int ofdm_symbol_size)
{
switch (ofdm_symbol_size) {
case 128:
return DFT_128;
break;
case 256:
return DFT_256;
break;
case 512:
return DFT_512;
break;
case 1024:
return DFT_1024;
break;
case 1536:
return DFT_1536;
break;
case 2048:
return DFT_2048;
break;
case 4096:
return DFT_4096;
break;
case 8192:
return DFT_8192;
break;
default:
printf("function get_dft : unsupported ofdm symbol size \n");
assert(0);
break;
}
return DFT_SIZE_IDXTABLESIZE; // never reached and will trigger assertion in idft function;
}
/*******************************************************************
*
* NAME : generate_pss_nr
openair1/PHY/TOOLS/tools_defs.h
+119
View File
@@ -33,7 +33,9 @@
extern "C" {
#endif
#include <stdio.h>
#include <stdint.h>
#include <assert.h>
#include "PHY/sse_intrin.h"
#define CEILIDIV(a,b) ((a+b-1)/b)
@@ -322,6 +324,65 @@ adftfunc_t dft_ftab[]={
};
#endif
/*******************************************************************
*
* NAME : get_dft
*
* PARAMETERS : size of ofdm symbol
*
* RETURN : function for discrete fourier transform
*
* DESCRIPTION : get dft function depending of ofdm size
*
*********************************************************************/
static inline
dft_size_idx_t get_dft(int ofdm_symbol_size)
{
switch (ofdm_symbol_size) {
case 128:
return DFT_128;
case 256:
return DFT_256;
case 512:
return DFT_512;
case 1024:
return DFT_1024;
case 1536:
return DFT_1536;
case 2048:
return DFT_2048;
case 3072:
return DFT_3072;
case 4096:
return DFT_4096;
case 6144:
return DFT_6144;
case 8192:
return DFT_8192;
case 9216:
return DFT_9216;
case 12288:
return DFT_12288;
case 18432:
return DFT_18432;
case 24576:
return DFT_24576;
case 36864:
return DFT_36864;
case 49152:
return DFT_49152;
case 73728:
return DFT_73728;
case 98304:
return DFT_98304;
default:
printf("function get_dft : unsupported ofdm symbol size \n");
assert(0);
break;
}
return DFT_SIZE_IDXTABLESIZE; // never reached and will trigger assertion in idft function;
}
typedef enum idft_size_idx {
IDFT_128, IDFT_256, IDFT_512, IDFT_1024, IDFT_1536, IDFT_2048, IDFT_3072, IDFT_4096,
IDFT_6144, IDFT_8192, IDFT_9216, IDFT_12288, IDFT_18432, IDFT_24576, IDFT_36864, IDFT_49152,
@@ -336,6 +397,64 @@ aidftfunc_t idft_ftab[]={
};
#endif
/*******************************************************************
*
* NAME : get_idft
*
* PARAMETERS : size of ofdm symbol
*
* RETURN : index pointing to the dft func in the dft library
*
* DESCRIPTION : get idft function depending of ofdm size
*
*********************************************************************/
static inline
idft_size_idx_t get_idft(int ofdm_symbol_size)
{
switch (ofdm_symbol_size) {
case 128:
return IDFT_128;
case 256:
return IDFT_256;
case 512:
return IDFT_512;
case 1024:
return IDFT_1024;
case 1536:
return IDFT_1536;
case 2048:
return IDFT_2048;
case 3072:
return IDFT_3072;
case 4096:
return IDFT_4096;
case 6144:
return IDFT_6144;
case 8192:
return IDFT_8192;
case 9216:
return IDFT_9216;
case 12288:
return IDFT_12288;
case 18432:
return IDFT_18432;
case 24576:
return IDFT_24576;
case 36864:
return IDFT_36864;
case 49152:
return IDFT_49152;
case 73728:
return IDFT_73728;
case 98304:
return IDFT_98304;
default:
printf("function get_idft : unsupported ofdm symbol size \n");
assert(0);
break;
}
return IDFT_SIZE_IDXTABLESIZE; // never reached and will trigger assertion in idft function
}
/*!\fn int32_t rotate_cpx_vector(int16_t *x,int16_t *alpha,int16_t *y,uint32_t N,uint16_t output_shift)