From 4996f9855d8d41a5a1ef4a7646919ed31287e2de Mon Sep 17 00:00:00 2001
From: Raymond Knopp <raymond.knopp@eurecom.fr>
Date: Thu, 2 Jun 2016 19:13:20 +0200
Subject: [PATCH] first draft of the send_if function
---
openair1/PHY/TOOLS/if4tools.c | 47 +++++++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 openair1/PHY/TOOLS/if4tools.c
diff --git a/openair1/PHY/TOOLS/if4tools.c b/openair1/PHY/TOOLS/if4tools.c
new file mode 100644
index 0000000000..70e598e2a1
--- /dev/null
+++ b/openair1/PHY/TOOLS/if4tools.c
@@ -0,0 +1,47 @@
+/*
+typedef struct data_block_type {
+
+} data_block;
+*/
+
+/*
+void allocate_data_block(long *data_block ,int length){
+ data_block = malloc(length*sizeof(long));
+}
+*/
+
+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;
+ int i,j;
+
+ float *data_block = malloc(length*sizeof(long));
+
+
+ // find number of consecutive non zero in values in symbol
+ // NrOfNonZeroValues
+
+ // how many values does the atan function output?
+
+ for(i = 0; i <= fp->symbols_per_tti; i++){
+ for(j = 0; j < NrOfNonZeroValues; j=j+2){
+
+ 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]);
+ // use memset?
+ }
+
+ }
+
+/*
+memset(&eNB->common_vars.txdataF[0][aa][subframe*fp->ofdm_symbol_size*(fp->symbols_per_tti)],
+ 0,fp->ofdm_symbol_size*(fp->symbols_per_tti)*sizeof(int32_t));
+ }
+ */
+
+}
--
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