Inreased DCI buffer because CRC is appended there

srslte/include/srslte/phch/dci.h

@@ -43,7 +43,7 @@
 #include "srslte/common/phy_common.h"
 #include "srslte/phch/ra.h"
 
-#define SRSLTE_DCI_MAX_BITS  57
+#define SRSLTE_DCI_MAX_BITS  128
 
 #define SRSLTE_RAR_GRANT_LEN 20
 

srslte/lib/phch/dci.c

@@ -65,7 +65,7 @@ int srslte_dci_msg_to_dl_grant(srslte_dci_msg_t *msg, uint16_t msg_rnti,
     srslte_dci_format_t tmp = msg->format; 
     ret = srslte_dci_msg_unpack_pdsch(msg, dl_dci, nof_prb, nof_ports, crc_is_crnti);
     if (ret) {
-      fprintf(stderr, "Can't unpack DCI message %s (%d)\n", srslte_dci_format_string(tmp), ret);
+      fprintf(stderr, "Can't unpack DCI message %s (%d)\n", srslte_dci_format_string(tmp), tmp);
       return ret;
     } 
     
@@ -386,7 +386,8 @@ uint32_t srslte_dci_format_sizeof(srslte_dci_format_t format, uint32_t nof_prb,
     return dci_format3A_sizeof(nof_prb);
     */
   default:
-    return SRSLTE_ERROR;
+    printf("Error computing DCI bits: Unknown format %d\n", format);
+    return 0;
   }
 }
 

srslte/lib/phch/test/CMakeLists.txt

@@ -81,9 +81,6 @@ target_link_libraries(pdcch_test srslte)
 
 add_test(pdcch_test pdcch_test) 
 
-add_executable(dci_unpacking dci_unpacking.c)
-target_link_libraries(dci_unpacking srslte)
-
 BuildMex(MEXNAME pdcch SOURCES pdcch_test_mex.c LIBRARIES srslte_static srslte_mex)
 
 ########################################################################

srslte/lib/phch/test/dci_unpacking.c

@@ -1,102 +0,0 @@
-/**
- *
- * \section COPYRIGHT
- *
- * Copyright 2013-2015 Software Radio Systems Limited
- *
- * \section LICENSE
- *
- * This file is part of the srsLTE library.
- *
- * srsLTE is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of
- * the License, or (at your option) any later version.
- *
- * srsLTE is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * A copy of the GNU Affero General Public License can be found in
- * the LICENSE file in the top-level directory of this distribution
- * and at http://www.gnu.org/licenses/.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <strings.h>
-#include <unistd.h>
-
-#include "srslte/srslte.h"
-
-void usage(char *prog) {
-  printf("Usage: %s nof_prb length_bits Word0 Word1 ...\n", prog);
-}
-
-int main(int argc, char **argv) {
-  srslte_dci_msg_t msg;
-  srslte_ra_dl_dci_t ra_dl;
-  int len, rlen;
-  int nof_prb;
-  int nwords;
-  int i;
-  uint8_t *y;
-
-  if (argc < 3) {
-    usage(argv[0]);
-    exit(-1);
-  }
-
-  nof_prb = atoi(argv[1]);
-  len = atoi(argv[2]);
-
-  nwords = (len - 1) / 32 + 1;
-
-  if (argc < 3 + nwords) {
-    usage(argv[0]);
-    exit(-1);
-  }
-
-  y = msg.data;
-  rlen = 0;
-  uint32_t x;
-  for (i = 0; i < nwords; i++) {
-    x = strtoul(argv[i + 3], NULL, 16);
-    if (len - rlen < 32) {
-      srslte_bit_unpack(x, &y, len - rlen);
-    } else {
-      srslte_bit_unpack(x, &y, 32);
-    }
-
-  }
-
-  printf("DCI message len %d:\n", len);
-  for (i = 0; i < len; i++) {
-    printf("%d, ", msg.data[i]);
-  }
-  printf("\n");
-
-  srslte_dci_msg_type_t dci_type;
-  msg.nof_bits = len;
-  if (srslte_dci_msg_get_type(&msg, &dci_type, nof_prb, SRSLTE_SIRNTI)) {
-    fprintf(stderr, "Can't obtain DCI message type\n");
-    exit(-1);
-  }
-  printf("\n");
-  printf("Message type:");
-  srslte_dci_msg_type_fprint(stdout, dci_type);
-  switch (dci_type.type) {
-  case SRSLTE_DCI_MSG_TYPE_PDSCH_SCHED:
-    bzero(&ra_dl, sizeof(srslte_ra_dl_dci_t));
-    srslte_dci_msg_unpack_pdsch(&msg, &ra_dl, nof_prb, 1, false);
-    srslte_ra_pdsch_fprint(stdout, &ra_dl, nof_prb);
-    break;
-  default:
-    printf("Error expected PDSCH\n");
-    exit(-1);
-  }
-  printf("\n");
-}

srslte/lib/phch/test/pucch_test.c

@@ -90,11 +90,11 @@ int main(int argc, char **argv) {
 
   if (srslte_pucch_init(&pucch, cell)) {
     fprintf(stderr, "Error creating PDSCH object\n");
-    goto quit;
+    exit(-1);
   }
   if (srslte_refsignal_ul_init(&dmrs, cell)) {
     fprintf(stderr, "Error creating PDSCH object\n");
-    goto quit;
+    exit(-1;
   }
   
   bzero(&pucch_cfg, sizeof(srslte_pucch_cfg_t));

srslte/lib/phch/test/pusch_test.c

@@ -184,13 +184,13 @@ int main(int argc, char **argv) {
   sf_symbols = srslte_vec_malloc(sizeof(cf_t) * nof_re);
   if (!sf_symbols) {
     perror("malloc");
-    goto quit;
+    exit(-1);
   }
   
   data = srslte_vec_malloc(sizeof(uint8_t) * cfg.grant.mcs.tbs);
   if (!data) {
     perror("malloc");
-    goto quit;
+    exit(-1);
   }
   
   for (uint32_t i=0;i<cfg.grant.mcs.tbs/8;i++) {