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Commit 92cdd224 authored by martino's avatar martino
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Right path to compile new crc functions

parent 69767e7d
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Showing with 100 additions and 19 deletions
cmake_targets/CMakeLists.txt
View file @ 92cdd224
......@@ -1091,7 +1091,7 @@ set(PHY_POLARSRC
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_crc_byte.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_bit_insertion.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_channel_interleaver_pattern.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_crc.c
# ${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_crc.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_info_bit_pattern.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_interleaving_pattern.c
......@@ -2367,7 +2367,7 @@ target_link_libraries (dlsim_tm4
)
add_executable(polartest ${OPENAIR1_DIR}/PHY/CODING/TESTBENCH/polartest.c)
target_link_libraries(polartest m SIMU PHY PHY_NR -lm ${ATLAS_LIBRARIES})
target_link_libraries(polartest m SIMU PHY PHY_NR PHY_COMMON -lm ${ATLAS_LIBRARIES})
foreach(myExe dlsim dlsim_tm7 ulsim pbchsim scansim mbmssim pdcchsim pucchsim prachsim syncsim)
......
openair1/PHY/CODING/crc_byte.c
View file @ 92cdd224
......@@ -33,14 +33,17 @@
#include "coding_defs.h"
/*ref 36-212 v8.6.0 , pp 8-9 */
/* the highest degree is set by default */
unsigned int poly24a = 0x864cfb00; //1000 0110 0100 1100 1111 1011 D^24 + D^23 + D^18 + D^17 + D^14 + D^11 + D^10 + D^7 + D^6 + D^5 + D^4 + D^3 + D + 1
unsigned int poly24b = 0x80006300; // 1000 0000 0000 0000 0110 0011 D^24 + D^23 + D^6 + D^5 + D + 1
uint32_t poly24c = 0xB2B11700; //101100101011000100010111
unsigned int poly16 = 0x10210000; // 0001 0000 0010 0001 D^16 + D^12 + D^5 + 1
unsigned int poly12 = 0x80F00000; // 1000 0000 1111 D^12 + D^11 + D^3 + D^2 + D + 1
unsigned int poly8 = 0x9B000000; // 1001 1011 D^8 + D^7 + D^4 + D^3 + D + 1
uint32_t poly6 = 0x84000000; // 10000100000... -> D^6+D^5+1
uint32_t poly11 = 0xc4200000; //11000100001000... -> D^11+D^10+D^9+D^5+1
/*********************************************************
For initialization && verification purposes,
......@@ -93,6 +96,18 @@ void crcTableInit (void)
crc8Table[c] = (unsigned char) (crcbit (&c, 1, poly8) >> 24);
} while (++c);
}
//Generic version
void crcTable256Init (uint32_t poly, uint32_t* crc256Table)
{
unsigned char c = 0;
do {
crc256Table[c] = crcbit(&c, 1, poly);
} while (++c);
}
/*********************************************************
Byte by byte implementations,
......@@ -193,6 +208,71 @@ crc8 (unsigned char * inptr, int bitlen)
return crc;
}
//Generic version
unsigned int crcPayload(unsigned char * inptr, int bitlen, uint32_t* crc256Table)
{
int octetlen, resbit;
unsigned int crc = 0;
octetlen = bitlen/8; // Change in bytes
resbit = (bitlen % 8);
while (octetlen-- > 0)
{
crc = (crc << 8) ^ crc256Table[(*inptr++) ^ (crc >> 24)];
}
if (resbit > 0)
{
crc = (crc << resbit) ^ crc256Table[((*inptr) >> (8 - resbit)) ^ (crc >> (32 - resbit))];
}
return crc;
}
void nr_crc_computation(uint8_t* input, uint8_t* output, uint16_t payloadBits, uint16_t crcParityBits, uint32_t* crc256Table)
{
//Create payload in bit
uint8_t* input2 = (uint8_t*)malloc(payloadBits); //divided by 8 (in bits)
uint8_t mask = 128; // 10000000
for(uint8_t ind=0; ind<(payloadBits/8); ind++)
{
input2[ind]=0;
for(uint8_t ind2=0; ind2<8; ind2++)
{
if(input[8*ind+ind2])
{
input2[ind] = input2[ind] | mask;
}
mask= mask >> 1;
}
mask=128;
}
//crcTable256Init(poly);
unsigned int crcBits;
crcBits = crcPayload(input2, payloadBits, crc256Table);
//create crc in byte
unsigned int mask2=0x80000000; //100...
output = (uint8_t*)malloc(sizeof(uint8_t)*crcParityBits);
for(uint8_t ind=0; ind<crcParityBits; ind++)
{
if(crcBits & mask2)
output[ind]=1;
else
output[ind]=0;
mask2 = mask2 >> 1;
}
}
#ifdef DEBUG_CRC
/*******************************************************************/
/**
......
openair1/PHY/CODING/nrPolar_tools/nr_crc_byte.c
View file @ 92cdd224
......@@ -21,10 +21,11 @@
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
/*
// ----- New implementation ----
uint32_t poly6 = 0x84000000; // 1000100000... -> D^6+D^5+1
uint32_t poly11 = 0x63200000; //11000100001000... -> D^11+D^10+D^9+D^5+1
uint32_t poly16 = 0x81080000; //100000010000100... - > D^16+D^12+D^5+1
uint32_t poly6 = 0x84000000; // 10000100000... -> D^6+D^5+1
uint32_t poly11 = 0xc4200000; //11000100001000... -> D^11+D^10+D^9+D^5+1
uint32_t poly16 = 0x10210000; //00100000010000100... - > D^16+D^12+D^5+1
uint32_t poly24a = 0x864cfb00; //100001100100110011111011 -> D^24+D^23+D^18+D^17+D^14+D^11+D^10+D^7+D^6+D^5+D^4+D^3+D+1
uint32_t poly24b = 0x80006300; //100000000000000001100011 -> D^24+D^23+D^6+D^5+D+1
uint32_t poly24c = 0xB2B11700; //101100101011000100010111 -> D^24...
......@@ -91,7 +92,7 @@ unsigned int crcbit (unsigned char* inputptr, int octetlen, unsigned int poly)
return crc;
}
/*
void crcTableInit (void)
{
unsigned char c = 0;
......@@ -106,7 +107,7 @@ void crcTableInit (void)
} while (++c);
}
*/
void crcTable256Init (uint32_t poly, uint32_t* crc256Table)
{
unsigned char c = 0;
......@@ -114,14 +115,14 @@ void crcTable256Init (uint32_t poly, uint32_t* crc256Table)
do {
crc256Table[c] = crcbit(&c, 1, poly);
/*
crc6Table[c] = crcbit(&c, 1, poly6);
crc11Table[c]= crcbit(&c, 1, poly11);
crc16Table[c] =crcbit(&c, 1, poly16);
crc24aTable[c]=crcbit(&c, 1, poly24a);
crc24bTable[c]=crcbit(&c, 1, poly24b);
crc24cTable[c]=crcbit(&c, 1, poly24c);
*/
// crc6Table[c] = crcbit(&c, 1, poly6);
// crc11Table[c]= crcbit(&c, 1, poly11);
// crc16Table[c] =crcbit(&c, 1, poly16);
// crc24aTable[c]=crcbit(&c, 1, poly24a);
// crc24bTable[c]=crcbit(&c, 1, poly24b);
// crc24cTable[c]=crcbit(&c, 1, poly24c);
} while (++c);
//return crc256Table;
......@@ -145,7 +146,7 @@ unsigned int crcPayload(unsigned char * inptr, int bitlen, uint32_t* crc256Table
}
return crc;
}
*/
// ----- Old implementation ----
uint8_t **crc24c_generator_matrix(uint16_t payloadSizeBits){
......
openair1/PHY/CODING/nrPolar_tools/nr_polar_kernal_operation.c
View file @ 92cdd224
......@@ -16,10 +16,10 @@ void nr_polar_kernal_operation(uint8_t *u, uint8_t *d, uint16_t N)
d[i]=0;
for(j=0; j<N; j++) // ... looking at all the elements of u
{
d[i]=d[i]+( (!(j-i)) | (!i) )*u[j];
d[i]=d[i] || ( (!(j-i)) | (!i) )*u[j];
}
d[i]=d[i]%2; // modulo 2
//d[i]=d[i]%2; // modulo 2
}
/*
......
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