102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
#include "esp_system.h"
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "lwip/err.h"
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#include "lwip/sys.h"
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#include "app_lib_wifi_impl.h"
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EventGroupHandle_t g_wifi_event_group;
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static uint8_t s_retry_num = 0;
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static const char *TAG = "APP_WIFI";
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#define APP_WIFI_SSID CONFIG_APP_WIFI_SSID
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#define APP_WIFI_PASS CONFIG_APP_WIFI_PASSWORD
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#define APP_WIFI_RETR CONFIG_APP_WIFI_MAXIMUM_RETRY
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#define APP_WIFI_INTV CONFIG_APP_WIFI_LISTEN_INTERVAL
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#if CONFIG_APP_POWER_SAVE_MIN_MODEM
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#define DEFAULT_PS_MODE WIFI_PS_MIN_MODEM
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#elif CONFIG_APP_POWER_SAVE_MAX_MODEM
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#define DEFAULT_PS_MODE WIFI_PS_MAX_MODEM
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#elif CONFIG_APP_POWER_SAVE_NONE
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#define DEFAULT_PS_MODE WIFI_PS_NONE
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#else
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#define DEFAULT_PS_MODE WIFI_PS_NONE
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#endif
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static void event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) {
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if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
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esp_wifi_connect();
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
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if (s_retry_num < APP_WIFI_RETR) {
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esp_wifi_connect();
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s_retry_num++;
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ESP_LOGI(TAG, "Connect attempt failed, retrying (%u/%u)...", s_retry_num, APP_WIFI_RETR);
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} else {
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xEventGroupSetBits(g_wifi_event_group, WIFI_ERROR_BIT);
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ESP_LOGI(TAG, "WiFi connection failed, no more retries scheduled.");
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}
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} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
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ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data;
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ESP_LOGI(TAG, "Client IP:" IPSTR, IP2STR(&event->ip_info.ip));
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s_retry_num = 0;
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xEventGroupSetBits(g_wifi_event_group, WIFI_CONNECTED_BIT);
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}
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}
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void app_lib_init_wifi(void) {
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK(ret);
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g_wifi_event_group = xEventGroupCreate();
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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esp_netif_create_default_wifi_sta();
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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esp_event_handler_instance_t instance_any_id;
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esp_event_handler_instance_t instance_got_ip;
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ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL, &instance_any_id));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL, &instance_got_ip));
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wifi_config_t wifi_config = {
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.sta = {
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.ssid = APP_WIFI_SSID,
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.password = APP_WIFI_PASS,
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.threshold.authmode = WIFI_AUTH_WPA2_PSK,
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.listen_interval = APP_WIFI_INTV,
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.pmf_cfg = {
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.capable = true,
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.required = false
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}
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}
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};
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
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}
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void app_lib_start_wifi(void) {
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ESP_ERROR_CHECK(esp_wifi_start());
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}
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void app_lib_stop_wifi(void) {
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ESP_ERROR_CHECK(esp_wifi_stop());
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} |