d784fbb314
Removed all other instances of call to esp_wifi_init(), because every time this is called it will override its previously set default event handler and hence cause numerous warnings. Also, call nvs_flash_init() only once, that is before calling esp_wifi_init() in main function
117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/* SoftAP based Custom Provisioning Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <string.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#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_prov.h"
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#define EXAMPLE_AP_RECONN_ATTEMPTS CONFIG_AP_RECONN_ATTEMPTS
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static const char *TAG = "app";
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static void event_handler(void* arg, esp_event_base_t event_base,
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int event_id, void* event_data)
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{
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static int s_retry_num = 0;
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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 < EXAMPLE_AP_RECONN_ATTEMPTS) {
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esp_wifi_connect();
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s_retry_num++;
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ESP_LOGI(TAG, "retry to connect to the AP");
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}
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ESP_LOGI(TAG,"connect to the AP fail");
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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, "got ip:%s",
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ip4addr_ntoa(&event->ip_info.ip));
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s_retry_num = 0;
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}
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}
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static void wifi_init_sta()
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{
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/* Set our event handling */
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ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, event_handler, NULL));
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ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, event_handler, NULL));
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/* Start Wi-Fi in station mode with credentials set during provisioning */
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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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}
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static void start_softap_provisioning()
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{
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/* Security version */
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int security = 0;
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/* Proof of possession */
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const protocomm_security_pop_t *pop = NULL;
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#ifdef CONFIG_USE_SEC_1
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security = 1;
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#endif
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/* Having proof of possession is optional */
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#ifdef CONFIG_USE_POP
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const static protocomm_security_pop_t app_pop = {
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.data = (uint8_t *) CONFIG_POP,
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.len = (sizeof(CONFIG_POP)-1)
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};
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pop = &app_pop;
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#endif
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ESP_ERROR_CHECK(app_prov_start_softap_provisioning(
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CONFIG_SOFTAP_SSID, CONFIG_SOFTAP_PASS, security, pop));
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}
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void app_main()
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{
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/* Initialize networking stack */
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tcpip_adapter_init();
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/* Create default event loop needed by the
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* main app and the provisioning service */
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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/* Initialize NVS needed by Wi-Fi */
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ESP_ERROR_CHECK(nvs_flash_init());
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/* Initialize Wi-Fi with default config */
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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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/* Check if device is provisioned */
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bool provisioned;
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if (app_prov_is_provisioned(&provisioned) != ESP_OK) {
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ESP_LOGE(TAG, "Error getting device provisioning state");
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return;
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}
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if (provisioned == false) {
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/* If not provisioned, start provisioning via soft AP */
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ESP_LOGI(TAG, "Starting WiFi SoftAP provisioning");
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start_softap_provisioning();
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} else {
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/* Start WiFi station with credentials set during provisioning */
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ESP_LOGI(TAG, "Starting WiFi station");
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wifi_init_sta();
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}
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}
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