/**
* Reset REG data (4 symbols) in the slot symbols array
*/
int regs_reset_reg(srslte_regs_reg_t *reg, cf_t *slot_symbols, uint32_t nof_prb) {
uint32_t i;
for (i = 0; i < REGS_RE_X_REG; i++) {
slot_symbols[REG_IDX(reg, i, nof_prb)] = 0;
}
return REGS_RE_X_REG;
}
/**
* Gets one REG data (4 symbols) from the slot symbols array
*/
int regs_get_reg(srslte_regs_reg_t *reg, cf_t *slot_symbols, cf_t *reg_data, uint32_t nof_prb) {
uint32_t i;
for (i = 0; i < REGS_RE_X_REG; i++) {
reg_data[i] = slot_symbols[REG_IDX(reg, i, nof_prb)];
}
return REGS_RE_X_REG;
}
/**
* Adds one REG data (4 symbols) in the slot symbols array
* Used by PHICH
*/
int regs_add_reg(regs_reg_t *reg, cf_t *reg_data, cf_t *slot_symbols, uint32_t nof_prb) {
uint32_t i;
for (i = 0; i < REGS_RE_X_REG; i++) {
slot_symbols[REG_IDX(reg, i, nof_prb)] += reg_data[i];
}
return REGS_RE_X_REG;
}
