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srsLTE
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Implement NR-DCI conversion to string

This commit is contained in:
Xavier Arteaga 2021-01-27 19:20:12 +01:00 committed by Xavier Arteaga
parent 83a5ce96ed
commit 73001c9541
2 changed files with 99 additions and 0 deletions
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2
lib/include/srslte/phy/phch/dci_nr.h
View File

@ -79,4 +79,6 @@ SRSLTE_API int srslte_dci_nr_format_1_0_unpack(const srslte_carrier_nr_t* carrie
srslte_dci_msg_nr_t* msg,
srslte_dci_dl_nr_t* dci);
SRSLTE_API int srslte_dci_nr_to_str(const srslte_dci_dl_nr_t* dci, char* str, uint32_t str_len);
#endif // SRSLTE_DCI_NR_H

97
lib/src/phy/phch/dci_nr.c
View File

@ -179,6 +179,13 @@ int srslte_dci_nr_format_1_0_unpack(const srslte_carrier_nr_t* carrier,
uint8_t* y = msg->payload;
srslte_rnti_type_t rnti_type = msg->rnti_type;
// Copy DCI MSG fields
dci->location = msg->location;
dci->search_space.type = msg->search_space;
dci->rnti_type = msg->rnti_type;
dci->rnti = msg->rnti;
dci->format = msg->format;
if (msg->nof_bits != srslte_dci_nr_format_1_0_sizeof(carrier, coreset, rnti_type)) {
ERROR("Invalid number of bits %d, expected %d\n",
msg->nof_bits,
@ -378,4 +385,94 @@ int srslte_dci_nr_format_1_0_sizeof(const srslte_carrier_nr_t* carrier,
}
return count;
}
static int dci_nr_format_1_0_to_str(const srslte_dci_dl_nr_t* dci, char* str, uint32_t str_len)
{
uint32_t len = 0;
// Print format
len = srslte_print_check(str, str_len, len, "L=%d cce=%d dci=1_0 ", dci->location.L, dci->location.ncce);
if (dci->rnti_type == srslte_rnti_type_p) {
len = srslte_print_check(str, str_len, len, "smi=%d sm=%d ", dci->smi, dci->sm);
}
// Frequency domain resource assignment
len = srslte_print_check(str, str_len, len, "f_alloc=0x%x ", dci->freq_domain_assigment);
// Time domain resource assignment – 4 bits
len = srslte_print_check(str, str_len, len, "t_alloc=0x%x ", dci->time_domain_assigment);
// VRB-to-PRB mapping – 1 bit
len = srslte_print_check(str, str_len, len, "vrb_to_prb_map=%d ", dci->vrb_to_prb_mapping);
// Modulation and coding scheme – 5 bits
len = srslte_print_check(str, str_len, len, "mcs=%d ", dci->mcs);
// TB scaling – 2 bits
if (dci->rnti_type == srslte_rnti_type_p || dci->rnti_type == srslte_rnti_type_ra) {
len = srslte_print_check(str, str_len, len, "tb_scaling=%d ", dci->tb_scaling);
}
// New data indicator – 1 bit
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "ndi=%d ", dci->ndi);
}
// Redundancy version – 2 bits
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_si ||
dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "rv=%d ", dci->rv);
}
// HARQ process number – 4 bits
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "harq_id=%d ", dci->harq_feedback);
}
// System information indicator – 1 bit
if (dci->rnti_type == srslte_rnti_type_si) {
len = srslte_print_check(str, str_len, len, "sii=%d ", dci->sii);
}
// Downlink assignment index – 2 bits
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "sii=%d ", dci->sii);
}
// TPC command for scheduled PUCCH – 2 bits
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "pucch_tpc=%d ", dci->tpc);
}
// PUCCH resource indicator – 3 bits
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "pucch_res=%d ", dci->pucch_resource);
}
// PDSCH-to-HARQ_feedback timing indicator – 3 bits
if (dci->rnti_type == srslte_rnti_type_c || dci->rnti_type == srslte_rnti_type_tc) {
len = srslte_print_check(str, str_len, len, "harq_feedback=%d ", dci->harq_feedback);
}
// Reserved bits ...
if (dci->rnti_type == srslte_rnti_type_p || dci->rnti_type == srslte_rnti_type_si ||
dci->rnti_type == srslte_rnti_type_ra) {
len = srslte_print_check(str, str_len, len, "reserved=0x%x ", dci->reserved);
}
return len;
}
int srslte_dci_nr_to_str(const srslte_dci_dl_nr_t* dci, char* str, uint32_t str_len)
{
// Pack DCI
switch (dci->format) {
case srslte_dci_format_nr_1_0:
return dci_nr_format_1_0_to_str(dci, str, str_len);
default:; // Do nothing
}
return srslte_print_check(str, str_len, 0, "unknown");
}