Commit d51d5dee authored by Sandeep Kumar's avatar Sandeep Kumar

fix some structures and add more details to if4 functions

parent d5d1dd0e
......@@ -45,153 +45,132 @@
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#endif
// Define how data blocks are stored and transferred
//void send_IF4(PHY_VARS_eNB *eNB, int subframe){
//eNB_proc_t *proc = &eNB->proc;
//int frame=proc->frame_tx;
//int subframe=proc->subframe_tx;
//LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
//uint32_t i,j;
//float *data_block = malloc(length*sizeof(long));
// Generate IF4 packet (for now DL) with frame status information
//dl_packet = gen_IF4_dl_packet( /* ADD INFO and data_block pointer */ );
void send_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
int frame = proc->frame_tx;
int subframe = proc->subframe_tx;
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
//for(i=0; i<fp->symbols_per_tti; i++) {
// Do compression of the two parts and generate data blocks
//symbol = eNB->common_vars.txdataF[0][0 /*antenna number*/][subframe*fp->ofdm_symbol_size*(fp->symbols_per_tti)]
//data_block[j] = Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j -1])<<16 + Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j]);
//data_block[j+NrOfNonZeroValues] = Atan(subframe[i][j+1])<<16 + Atan(subframe[i][j+2]);
// Set data blocks and update subframe no./other information to generated packet
// Write the packet(s) to the fronthaul
//}
uint16_t i;
float_t data_block_length = 1200*(fp->ofdm_symbol_size/2048);
uint16_t *data_block = (uint16_t*)malloc(data_block_length*sizeof(uint16_t));
// Caller: RCC - DL *** handle RRU case - UL and PRACH ***
if (eNB->node_function == NGFI_RCC_IF4) {
IF4_dl_packet_t *dl_packet = (IF4_dl_packet_t*)malloc(sizeof_IF4_dl_packet_t);
gen_IF4_dl_packet(dl_packet, proc);
dl_packet->data_block = data_block;
for(i=0; i<fp->symbols_per_tti; i++) {
//Do compression of the two parts and generate data blocks
//symbol = eNB->common_vars.txdataF[0][0 /*antenna number*/][subframe*fp->ofdm_symbol_size*(fp->symbols_per_tti)]
//data_block[j] = Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j -1])<<16 + Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j]);
//data_block[j+NrOfNonZeroValues] = Atan(subframe[i][j+1])<<16 + Atan(subframe[i][j+2]);
// Update information in generated packet
dl_packet->frame_status.sym_num = i;
// Write the packet(s) to the fronthaul
}
}else {
IF4_ul_packet_t *ul_packet = (IF4_ul_packet_t*)malloc(sizeof_IF4_ul_packet_t);
gen_IF4_ul_packet(ul_packet, proc);
ul_packet->data_block = data_block;
for(i=0; i<fp->symbols_per_tti; i++) {
//Do compression of the two parts and generate data blocks
//symbol = eNB->common_vars.txdataF[0][0 /*antenna number*/][subframe*fp->ofdm_symbol_size*(fp->symbols_per_tti)]
//data_block[j] = Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j -1])<<16 + Atan(symbol[fp->ofmd_symbol_size - NrOfNonZeroValues + j]);
//data_block[j+NrOfNonZeroValues] = Atan(subframe[i][j+1])<<16 + Atan(subframe[i][j+2]);
// Update information in generated packet
ul_packet->frame_status.sym_num = i;
// Write the packet(s) to the fronthaul
}
}
//}
}
void recv_IF4( /* ADD INFO and data_block pointer */ ) {
void recv_IF4(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc) {
// Read packet(s) from the fronthaul
// Apply reverse processing - decompression
// Generate and return the OFDM symbols (txdataF)
// Caller: RRU - DL *** handle RCC case - UL and PRACH ***
}
struct IF4_dl_packet gen_IF4_dl_packet( /* ADD INFO and data_block pointer */ ) {
struct IF4_dl_packet dl_packet;
// Set destination and source address
void gen_IF4_dl_packet(IF4_dl_packet_t *dl_packet, eNB_rxtx_proc_t *proc) {
// Set Type and Sub-Type
dl_packet.type = 0x080A;
dl_packet.sub_type = 0x0020;
dl_packet->type = 0x080A;
dl_packet->sub_type = 0x0020;
// Leave reserved as it is
//dl_packet.rsvd = ;
dl_packet->rsvd = 0;
// Set frame status
dl_packet.frame_status.ant_num = 0;
dl_packet.frame_status.ant_start = 0;
dl_packet.frame_status.rf_num = 0;
dl_packet.frame_status.sf_num = 0;
dl_packet.frame_status.sym_num = 0;
//dl_packet.frame_status.rsvd = ;
// Set data blocks if sent
//if (data_block != NULL) {
//
//} else {
//
//}
dl_packet->frame_status.ant_num = 0;
dl_packet->frame_status.ant_start = 0;
dl_packet->frame_status.rf_num = proc->frame_tx;
dl_packet->frame_status.sf_num = proc->subframe_tx;
dl_packet->frame_status.sym_num = 0;
dl_packet->frame_status.rsvd = 0;
// Set frame check sequence
dl_packet.fcs = 0;
return dl_packet;
dl_packet->fcs = 0;
}
struct IF4_ul_packet gen_IF4_ul_packet( /* ADD INFO and data_block pointer */ ) {
struct IF4_ul_packet ul_packet;
// Set destination and source address
void gen_IF4_ul_packet(IF4_ul_packet_t *ul_packet, eNB_rxtx_proc_t *proc) {
// Set Type and Sub-Type
ul_packet.type = 0x080A;
ul_packet.sub_type = 0x0019;
ul_packet->type = 0x080A;
ul_packet->sub_type = 0x0019;
// Leave reserved as it is
//ul_packet.rsvd = ;
ul_packet->rsvd = 0;
// Set frame status
ul_packet.frame_status.ant_num = 0;
ul_packet.frame_status.ant_start = 0;
ul_packet.frame_status.rf_num = 0;
ul_packet.frame_status.sf_num = 0;
ul_packet.frame_status.sym_num = 0;
//ul_packet.frame_status.rsvd = ;
ul_packet->frame_status.ant_num = 0;
ul_packet->frame_status.ant_start = 0;
ul_packet->frame_status.rf_num = proc->frame_rx;
ul_packet->frame_status.sf_num = proc->subframe_rx;
ul_packet->frame_status.sym_num = 0;
ul_packet->frame_status.rsvd = 0;
// Set antenna specific gain *** set other antenna gain ***
ul_packet->gain0.exponent = 0;
ul_packet->gain0.rsvd = 0;
// Set antenna specific gain
ul_packet.gain0.exponent = 0;
//ul_packet.gain0.rsvd = ;
// Set data blocks if sent
//if (data_block != NULL) {
//
//} else {
//
//}
// Set frame check sequence
ul_packet.fcs = 0;
return ul_packet;
ul_packet->fcs = 0;
}
struct IF4_prach_packet gen_IF4_prach_packet( /* ADD INFO and data_block pointer */ ) {
struct IF4_prach_packet prach_packet;
// Set destination and source address
void gen_IF4_prach_packet(IF4_prach_packet_t *prach_packet, eNB_rxtx_proc_t *proc) {
// Set Type and Sub-Type
prach_packet.type = 0x080A;
prach_packet.sub_type = 0x0021;
prach_packet->type = 0x080A;
prach_packet->sub_type = 0x0021;
// Leave reserved as it is
//prach_packet.rsvd = ;
prach_packet->rsvd = 0;
// Set LTE Prach configuration
//prach_packet.prach_conf.rsvd = ;
prach_packet.prach_conf.ant = 0;
prach_packet.prach_conf.rf_num = 0;
prach_packet.prach_conf.sf_num = 0;
prach_packet.prach_conf.exponent = 0;
// Set data blocks if sent
//if (data_block != NULL) {
//
//} else {
//
//}
prach_packet->prach_conf.rsvd = 0;
prach_packet->prach_conf.ant = 0;
prach_packet->prach_conf.rf_num = proc->frame_rx;
prach_packet->prach_conf.sf_num = proc->subframe_rx;
prach_packet->prach_conf.exponent = 0;
// Set frame check sequence
prach_packet.fcs = 0;
return prach_packet;
prach_packet->fcs = 0;
}
int main(){
uint32_t i=0;
return 0;
}
......@@ -54,6 +54,9 @@ struct IF4_frame_status {
uint32_t rsvd:2;
};
typedef struct IF4_frame_status IF4_frame_status_t;
#define sizeof_IF4_frame_status_t 4
/// IF4 Antenna Gain (16 bits)
struct IF4_gain {
/// Reserved
......@@ -62,6 +65,9 @@ struct IF4_gain {
uint16_t exponent:6;
};
typedef struct IF4_gain IF4_gain_t;
#define sizeof_IF_gain_t 2
/// IF4 LTE PRACH Configuration (32 bits)
struct IF4_lte_prach_conf {
/// Reserved
......@@ -76,6 +82,9 @@ struct IF4_lte_prach_conf {
uint32_t exponent:6;
};
typedef struct IF4_lte_prach_conf IF4_lte_prach_conf_t;
#define sizeof_IF4_lte_prach_conf_t 4
struct IF4_dl_packet {
/// Destination Address
......@@ -88,13 +97,15 @@ struct IF4_dl_packet {
/// Reserved
uint32_t rsvd;
/// Frame Status
struct IF4_frame_status frame_status;
IF4_frame_status_t frame_status;
/// Data Blocks
uint16_t *data_block;
/// Frame Check Sequence
uint32_t fcs;
};
typedef struct IF4_dl_packet IF4_dl_packet_t;
#define sizeof_IF4_dl_packet_t 18
struct IF4_ul_packet {
/// Destination Address
......@@ -108,29 +119,32 @@ struct IF4_ul_packet {
/// Reserved
uint32_t rsvd;
/// Frame Status
struct IF4_frame_status frame_status;
IF4_frame_status_t frame_status;
/// Gain 0
struct IF4_gain gain0;
IF4_gain_t gain0;
/// Gain 1
struct IF4_gain gain1;
IF4_gain_t gain1;
/// Gain 2
struct IF4_gain gain2;
IF4_gain_t gain2;
/// Gain 3
struct IF4_gain gain3;
IF4_gain_t gain3;
/// Gain 4
struct IF4_gain gain4;
IF4_gain_t gain4;
/// Gain 5
struct IF4_gain gain5;
IF4_gain_t gain5;
/// Gain 6
struct IF4_gain gain6;
IF4_gain_t gain6;
/// Gain 7
struct IF4_gain gain7;
IF4_gain_t gain7;
/// Data Blocks
uint16_t *data_block;
/// Frame Check Sequence
uint32_t fcs;
};
typedef struct IF4_ul_packet IF4_ul_packet_t;
#define sizeof_IF4_ul_packet_t 34
struct IF4_prach_packet {
/// Destination Address
......@@ -143,21 +157,22 @@ struct IF4_prach_packet {
/// Reserved
uint32_t rsvd;
/// LTE Prach Configuration
struct IF4_lte_prach_conf prach_conf;
IF4_lte_prach_conf_t prach_conf;
/// Prach Data Block (one antenna)
uint16_t *data_block;
/// Frame Check Sequence
uint32_t fcs;
};
// Needs to be checked
typedef struct IF4_prach_packet IF4_prach_packet_t;
#define sizeof_IF4_prach_packet_t 18
struct IF4_dl_packet gen_IF4_dl_packet();
void gen_IF4_dl_packet(IF4_dl_packet_t*, eNB_rxtx_proc_t*);
struct IF4_ul_packet gen_IF4_ul_packet();
void gen_IF4_ul_packet(IF4_ul_packet_t*, eNB_rxtx_proc_t*);
struct IF4_prach_packet gen_IF4_prach_packet();
void gen_IF4_prach_packet(IF4_prach_packet_t*, eNB_rxtx_proc_t*);
void send_IF4( /* ADD INFO */ );
void send_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*);
void recv_IF4( /* ADD INFO */ );
void recv_IF4(PHY_VARS_eNB*, eNB_rxtx_proc_t*);
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