optimized polar encoder/decoder functions for PBCH and 41-bit DCI

2018-11-11 09:07:22 +01:00
parent 7bc96c6158
commit 7a4dc8644c
6 changed files with 109 additions and 81 deletions
@@ -168,14 +168,12 @@ unsigned int crc24c (unsigned char * inptr,
  resbit = (bitlen % 8);

  while (octetlen-- > 0) {
-/*#ifdef DEBUG_CRC24C
-	  printf("crc24c: in %x => crc %x (%x)\n",crc,*inptr,crc24cTable[(*inptr) ^ (crc >> 24)]);
-#endif*/
    crc = (crc << 8) ^ crc24cTable[(*inptr++) ^ (crc >> 24)];
  }

-  if (resbit > 0)
+  if (resbit > 0) {
    crc = (crc << resbit) ^ crc24cTable[((*inptr) >> (8 - resbit)) ^ (crc >> (32 - resbit))];
+  }

  return crc;
 }