wifi_hal_core.c

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#include <stdint.h>
 
#include "ra8_err.h"
#include "ra8_wifi.h"
#include "wifi_hal_join.h"
 
const char k_wifi_hal_pass_line[] =
  "wifi_hal: PASS ra8_wifi joined the bench Wi-Fi and DHCP leased an address\r\n";
const char k_wifi_hal_fail_line[] =
  "wifi_hal: FAIL Wi-Fi join to a DHCP lease did not complete\r\n";

static bool wifi_hal_settle(ra8_wifi_t* wifi, uint32_t budget)
{
  ra8_wifi_status_t st = {};
  for (uint32_t i = 0U; i < budget; i++) {
    if (ra8_wifi_status(wifi, &st) != k_ra8_ok) {
      return false;
    }
    if (st.associated) {
      return true;
    }
    ra8_wifi_link_t link = k_ra8_wifi_link_down;
    (void)ra8_wifi_poll(wifi, &link);
  }
  if (ra8_wifi_status(wifi, &st) != k_ra8_ok) {
    return false;
  }
  return st.associated;
}
 
bool wifi_hal_join_run(const wifi_hal_run_cfg_t* cfg, wifi_hal_result_t* out)
{
  if (out == nullptr) {
    return false;
  }
  *out             = (wifi_hal_result_t){};
  out->init_err    = k_ra8_err_not_initialized;
  out->connect_err = k_ra8_err_not_initialized;
  out->ip_err      = k_ra8_err_not_initialized;
  if ((cfg == nullptr) || (cfg->wifi == nullptr) || (cfg->wifi_cfg == nullptr) ||
      (cfg->ssid == nullptr)) {
    return false;
  }
 
  out->init_err = ra8_wifi_init(cfg->wifi, cfg->wifi_cfg);
  if (out->init_err != k_ra8_ok) {
    return false;
  }
  out->init_ok = true;
 
  if (cfg->ssid[0] == '\0') {
    return false; /* runtime provisioning must provide a non-empty SSID */
  }
 
  out->connect_err = ra8_wifi_connect(cfg->wifi, cfg->ssid, cfg->psk);
  out->associated  = wifi_hal_settle(cfg->wifi, cfg->poll_budget);
  if (!out->associated) {
    return false;
  }
 
  (void)ra8_wifi_get_mac(cfg->wifi, &out->mac);
  (void)ra8_wifi_get_ap(cfg->wifi, &out->ap);
 
  out->ip_err = ra8_wifi_wait_ip(cfg->wifi, &out->lease);
  if (out->ip_err != k_ra8_ok) {
    return false;
  }
  out->ip_bound = true;
  out->passed   = true;
  return true;
}