nic_registry.c

#include "networkif.h"
#include "sx1262/sx1262.h"
 
static struct network_context registrations[5];
void init_nic_registry() {
  memset(&registrations, sizeof(registrations), 0);
}
 
void register_nic(struct networkif *nif, int SOURCE) {
  int i;
 
  for (i = 0; i < 5; i++) {
    struct network_context *r = &registrations[i];//not nic_by_index, because we need to figure out wether it is full or not free
    if (r->nif == NULL) {
      r->nif = nif;
      r->status = 0;
      r->source = SOURCE;
      r->mculib_handle = i + 10;
      return;
    }
  }
  printf("Too many nics registered.\r\n");
}
// e.g. lora/radio/bluetooth.. (or NULL)
struct network_context *nic_by_type(int type) {
  int i = 0;
 
  for (;;) {
    struct network_context *r = nic_by_index(i);
    if (r == NULL) {
      return NULL;
    }
    if (r->source == type) {
      return r;
    }
    i++;
  }
  return NULL;
}
 
// NULL if none at that index (count [0..n], stop at first NULL)
struct network_context *nic_by_index(int index) {
  if (index > 5) {
    return NULL;
  }
  struct network_context *r = &registrations[index];
 
  if (r->nif == NULL) {
    return NULL;
  }
  return r;
}