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feat(oru): Load vrtsim in O-RU and start reading samples

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Added oru_south_read_thread that reads samples from vrtsim.
No UL FH processing is done as of this commit.

Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org>
This commit is contained in:
Bartosz Podrygajlo
2025-09-12 17:22:23 +02:00
parent 0aa3f89c52
commit 21329e1b70
3 changed files with 29 additions and 0 deletions
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7
executables/main_nr_ru.c
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@@ -205,7 +205,14 @@ int main(int argc, char **argv)
oru.fronthaul = oru_fh_init(&oru.fh_config);
AssertFatal(oru.fronthaul != NULL, "Cannot configure oru fronthaul, check your config file/cmdline");
LOG_I(PHY, "starting vrtsim\n");
ret = openair0_load(&ru->rfdevice, "vrtsim", &ru->openair0_cfg, NULL);
AssertFatal(ret == 0, "RU %u: openair0_load() ret %d: cannot initialize vrtsim\n", ru->idx, ret);
ret = ru->rfdevice.trx_start_func(&ru->rfdevice);
AssertFatal(ret == 0, "RU %u: trx_start_func() ret %d: cannot start vrtsim\n", ru->idx, ret);
threadCreate(&oru.north_read_thread, oru_north_read_thread, (void *)&oru, "north_read_thread", -1, OAI_PRIORITY_RT_MAX);
threadCreate(&oru.south_read_thread, oru_south_read_thread, (void *)&oru, "south_read_thread", -1, OAI_PRIORITY_RT_MAX);
usleep(1000);
oru_fh_start(oru.fronthaul);

20
executables/nr-oru.c
View File

@@ -303,3 +303,23 @@ void *oru_north_read_thread(void *arg)
}
return NULL;
}
void *oru_south_read_thread(void *arg)
{
ORU_t *oru = arg;
RU_t *ru = oru->ru;
const int num_samples = 3000;
c16_t throwaway_samples[ru->nb_rx][num_samples];
void *rxp[ru->nb_rx];
for (int i = 0; i < ru->nb_rx; i++)
rxp[i] = throwaway_samples[i];
openair0_timestamp_t timestamp;
while (!oai_exit) {
ru->rfdevice.trx_read_func(&ru->rfdevice, &timestamp, rxp, num_samples, ru->nb_rx);
}
// Perform RX processing
return NULL;
}

2
executables/nr-oru.h
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@@ -53,6 +53,7 @@ typedef struct {
int numerology;
pthread_t north_read_thread;
pthread_t south_read_thread;
oru_fh_config_t fh_config;
void *fronthaul;
} ORU_t;
@@ -60,5 +61,6 @@ typedef struct {
int get_oru_options(ORU_t *oru);
void oru_init_frame_parms(ORU_t *oru);
void *oru_north_read_thread(void *arg);
void *oru_south_read_thread(void *arg);
#endif