Softbuffer RX initialization with ratematching NULL. Moved softbuffer to fec

srslte/include/srslte/phch/pdsch_cfg.h

@@ -37,7 +37,7 @@
 #define PDSCHCFG_
 
 #include "srslte/phch/ra.h"
-#include "srslte/phch/softbuffer.h"
+#include "srslte/fec/softbuffer.h"
 #include "srslte/fec/cbsegm.h"
 
 typedef struct SRSLTE_API {

srslte/include/srslte/phch/pusch_cfg.h

@@ -37,7 +37,7 @@
 #define PUSCHCFG_
 
 #include "srslte/phch/ra.h"
-#include "srslte/phch/softbuffer.h"
+#include "srslte/fec/softbuffer.h"
 #include "srslte/fec/cbsegm.h"
 
 typedef struct SRSLTE_API {

srslte/include/srslte/srslte.h

@@ -88,7 +88,7 @@
 
 #include "srslte/phch/cqi.h"
 #include "srslte/phch/dci.h"
-#include "srslte/phch/softbuffer.h"
+#include "srslte/fec/softbuffer.h"
 #include "srslte/phch/pbch.h"
 #include "srslte/phch/pcfich.h"
 #include "srslte/phch/pdcch.h"

srslte/lib/fec/src/rm_turbo.c

@@ -133,8 +133,7 @@ int srslte_rm_turbo_tx(uint8_t *w_buff, uint32_t w_buff_len, uint8_t *input, uin
 /* Undoes Turbo Code Rate Matching.
  * 3GPP TS 36.212 v10.1.0 section 5.1.4.1
  * 
- * If rv_idx==0, the w_buff circular buffer is initialized. Every subsequent call 
+ * Soft-combines the data available in w_buff 
- * with rv_idx!=0 will soft-combine the LLRs from input with w_buff
  */
 int srslte_rm_turbo_rx(float *w_buff, uint32_t w_buff_len, float *input, uint32_t in_len, float *output,
     uint32_t out_len, uint32_t rv_idx, uint32_t nof_filler_bits) {
@@ -164,12 +163,6 @@ int srslte_rm_turbo_rx(float *w_buff, uint32_t w_buff_len, float *input, uint32_
     ndummy = 0;
   }
 
-  if (rv_idx == 0) {
-    for (i = 0; i < 3 * K_p; i++) {
-      w_buff[i] = SRSLTE_RX_NULL;
-    }    
-  }
-
   /* Undo bit collection. Account for dummy bits */
   N_cb = 3 * K_p;       // TODO: Soft buffer size limitation
   k0 = nrows

srslte/lib/fec/src/softbuffer.c

@@ -37,7 +37,8 @@
 #include "srslte/common/phy_common.h"
 #include "srslte/phch/ra.h"
 #include "srslte/fec/turbodecoder.h"
-#include "srslte/phch/softbuffer.h"
+#include "srslte/fec/rm_turbo.h"
+#include "srslte/fec/softbuffer.h"
 #include "srslte/utils/vector.h"
 #include "srslte/utils/debug.h"
 
@@ -92,11 +93,12 @@ void srslte_softbuffer_rx_free(srslte_softbuffer_rx_t *q) {
 }
 
 void srslte_softbuffer_rx_reset(srslte_softbuffer_rx_t *q) {
-  int i; 
   if (q->buffer_f) {
-    for (i=0;i<q->max_cb;i++) {
+    for (uint32_t i=0;i<q->max_cb;i++) {
       if (q->buffer_f[i]) {
-        bzero(q->buffer_f[i], sizeof(float) * q->buff_size);
+        for (uint32_t j=0;j<q->buff_size;j++) {
+          q->buffer_f[i][j] = SRSLTE_RX_NULL;
+        }
       }
     }
   }