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Extract nr_common and nr_phy_common libs. Also add unit tests for nr_common

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This commit is contained in:
Bartosz Podrygajlo
2024-06-13 10:14:59 +02:00
parent 9c913fa040
commit 4a36f7dd7b
15 changed files with 168 additions and 74 deletions
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common/utils/nr/nr_common.c
-32
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@@ -1174,38 +1174,6 @@ void init_delay_table(uint16_t ofdm_symbol_size,
}
}
void freq2time(uint16_t ofdm_symbol_size,
int16_t *freq_signal,
int16_t *time_signal)
{
const idft_size_idx_t idft_size = get_idft(ofdm_symbol_size);
idft(idft_size, freq_signal, time_signal, 1);
}
void nr_est_delay(int ofdm_symbol_size, const c16_t *ls_est, c16_t *ch_estimates_time, delay_t *delay)
{
freq2time(ofdm_symbol_size, (int16_t *)ls_est, (int16_t *)ch_estimates_time);
int max_pos = delay->delay_max_pos;
int max_val = delay->delay_max_val;
const int sync_pos = 0;
for (int i = 0; i < ofdm_symbol_size; i++) {
int temp = c16amp2(ch_estimates_time[i]) >> 1;
if (temp > max_val) {
max_pos = i;
max_val = temp;
}
}
if (max_pos > ofdm_symbol_size / 2)
max_pos = max_pos - ofdm_symbol_size;
delay->delay_max_pos = max_pos;
delay->delay_max_val = max_val;
delay->est_delay = max_pos - sync_pos;
}
void nr_timer_start(NR_timer_t *timer)
{
timer->active = true;