mirror of
https://github.com/espressif/esp-idf.git
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101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
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/* WiFi Connection Example using WPS
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*
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* WPS_TYPE_PBC: Start esp32 and it will inter wps PBC mode. Then push the buttom of wps on router down. The esp32 will connected to the router.
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*
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* WPS_TYPE_PIN: Start esp32, You'll see PIN code which is a eight-digit number showing on COM. Enter the PIN code in router and then the esp32 will connected to router.
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*/
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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#include "esp_wifi.h"
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#include "esp_log.h"
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#include "esp_wps.h"
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#include "esp_event_loop.h"
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/*set wps mode here*/
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#define WPS_TEST_MODE WPS_TYPE_PBC
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//#define WPS_TEST_MODE WPS_TYPE_PIN
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//#define WPS_TEST_MODE WPS_TYPE_MAX
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#ifndef PIN2STR
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#define PIN2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5], (a)[6], (a)[7]
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#define PINSTR "%c%c%c%c%c%c%c%c"
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#endif
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/* FreeRTOS event group to signal when we are connected & ready to make a request */
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static EventGroupHandle_t wifi_event_group;
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static const char *TAG = "example_wps";
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static esp_err_t event_handler(void *ctx, system_event_t *event)
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{
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switch(event->event_id) {
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case SYSTEM_EVENT_STA_START:
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
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break;
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case SYSTEM_EVENT_STA_GOT_IP:
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
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ESP_LOGI(TAG, "got ip:%s\n",
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ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
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ESP_ERROR_CHECK(esp_wifi_connect());
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break;
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case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
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/*point: the function esp_wifi_wps_start() only get ssid & password
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* and we suggest you call the function esp_wifi_connect() here
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* */
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_SUCCESS");
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ESP_ERROR_CHECK(esp_wifi_wps_disable());
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ESP_ERROR_CHECK(esp_wifi_connect());
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break;
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case SYSTEM_EVENT_STA_WPS_ER_FAILED:
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_FAILED");
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ESP_ERROR_CHECK(esp_wifi_wps_disable());
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ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TEST_MODE));
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ESP_ERROR_CHECK(esp_wifi_wps_start(0));
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break;
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case SYSTEM_EVENT_STA_WPS_ER_TIMEOUT:
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_TIMEOUT");
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ESP_ERROR_CHECK(esp_wifi_wps_disable());
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ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TEST_MODE));
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ESP_ERROR_CHECK(esp_wifi_wps_start(0));
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break;
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case SYSTEM_EVENT_STA_WPS_ER_PIN:
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ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_PIN");
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/*show the PIN code here*/
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ESP_LOGI(TAG, "WPS_PIN = "PINSTR, PIN2STR(event->event_info.sta_er_pin.pin_code));
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break;
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default:
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break;
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}
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return ESP_OK;
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}
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/*init wifi as sta and start wps*/
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static void start_wps(void)
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{
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tcpip_adapter_init();
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wifi_event_group = xEventGroupCreate();
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ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
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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_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
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ESP_ERROR_CHECK(esp_wifi_start());
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ESP_LOGI(TAG, "start wps...");
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//ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TYPE_PBC));
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ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TEST_MODE));
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ESP_ERROR_CHECK(esp_wifi_wps_start(0));
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}
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void app_main()
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{
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start_wps();
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}
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