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Encoding debug data

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This commit is contained in:
Guy De Souza
2018-07-10 09:29:00 +02:00
parent 3716e921f6
commit b0b11a9244
1 changed files with 19 additions and 2 deletions
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openair1/PHY/NR_TRANSPORT/nr_pbch.c
+19 -2
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@@ -156,12 +156,18 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
} }
// Scrambling is now done with offset (nushift*M)%32 // Scrambling is now done with offset (nushift*M)%32
offset = (nushift*M)&0x1f; offset = (nushift*M)&0x1f;
#ifdef DEBUG_PBCH_ENCODING
printf("Scrambling params: nushift %d M %d length %d bitwise %d offset %d\n", nushift, M, length, bitwise, offset);
#endif
for (int i=0; i<length; i++) { for (int i=0; i<length; i++) {
if (((i+offset)&0x1f)==0) { if (((i+offset)&0x1f)==0) {
s = lte_gold_generic(&x1, &x2, reset); s = lte_gold_generic(&x1, &x2, reset);
reset = 0; reset = 0;
} }
#ifdef DEBUG_PBCH_ENCODING
printf("s: %04x\n", s);
#endif
if (bitwise) { if (bitwise) {
(*pbch_a_prime) ^= ((unscrambling_mask>>i)&1)? (((*pbch_a_interleaved)>>i)&1)<<i : ((((*pbch_a_interleaved)>>i)&1) ^ ((s>>((i+offset)&0x1f))&1))<<i; (*pbch_a_prime) ^= ((unscrambling_mask>>i)&1)? (((*pbch_a_interleaved)>>i)&1)<<i : ((((*pbch_a_interleaved)>>i)&1) ^ ((s>>((i+offset)&0x1f))&1))<<i;
} }
@@ -256,20 +262,31 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
nushift = (((sfn>>2)&1)<<1) ^ ((sfn>>1)&1); nushift = (((sfn>>2)&1)<<1) ^ ((sfn>>1)&1);
nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_PAYLOAD_BITS, 1); nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_PAYLOAD_BITS, 1);
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Payload scrambling:\n");
for (int i=0; i<4; i++)
printf("pbch_a_prime[%d]: 0x%04x\n", i, pbch->pbch_a_prime[i]);
#endif #endif
/// CRC, coding and rate matching /// CRC, coding and rate matching
polar_encoder (pbch->pbch_a_prime, pbch->pbch_e, &frame_parms->pbch_polar_params); polar_encoder (pbch->pbch_a_prime, pbch->pbch_e, &frame_parms->pbch_polar_params);
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Channel coding:\n");
for (int i=0; i<NR_POLAR_PBCH_E>>3; i++)
printf("pbch_e[%d]: 0x%04x", i, pbch->pbch_e[i]);
printf("\n");
#endif #endif
/// Scrambling /// Scrambling
M = NR_POLAR_PBCH_E; M = NR_POLAR_PBCH_E;
nushift = config->sch_config.physical_cell_id.value &3;; nushift = config->sch_config.physical_cell_id.value &3;;
nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_E, 0); nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_E, 0);
#ifdef DEBUG_PBCH_ENCODING
printf("Scrambling:\n");
for (int i=0; i<NR_POLAR_PBCH_E>>3; i++)
printf("pbch_e[%d]: 0x%04x", i, pbch->pbch_e[i]);
printf("\n");
#endif
/// QPSK modulation /// QPSK modulation
for (int i=0; i<NR_POLAR_PBCH_E>>1; i++){ for (int i=0; i<NR_POLAR_PBCH_E>>1; i++){