115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
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/* BLE based 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_loop.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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static const char *TAG = "app";
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static esp_err_t event_handler(void *ctx, system_event_t *event)
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{
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/* Invoke Provisioning event handler first */
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app_prov_event_handler(ctx, event);
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switch(event->event_id) {
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case SYSTEM_EVENT_AP_START:
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ESP_LOGI(TAG, "SoftAP started");
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break;
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case SYSTEM_EVENT_AP_STOP:
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ESP_LOGI(TAG, "SoftAP stopped");
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break;
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case SYSTEM_EVENT_STA_START:
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esp_wifi_connect();
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break;
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case SYSTEM_EVENT_STA_GOT_IP:
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ESP_LOGI(TAG, "got ip:%s",
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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_AP_STACONNECTED:
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ESP_LOGI(TAG, "station:"MACSTR" join, AID=%d",
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MAC2STR(event->event_info.sta_connected.mac),
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event->event_info.sta_connected.aid);
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break;
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case SYSTEM_EVENT_AP_STADISCONNECTED:
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ESP_LOGI(TAG, "station:"MACSTR"leave, AID=%d",
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MAC2STR(event->event_info.sta_disconnected.mac),
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event->event_info.sta_disconnected.aid);
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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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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static void wifi_init_sta()
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{
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/* Start wifi in station mode with credentials set during provisioning */
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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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}
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void app_main()
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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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/* Initialize networking stack */
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tcpip_adapter_init();
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/* Set our event handling */
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ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
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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 BLE */
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ESP_LOGI(TAG, "Starting BLE provisioning");
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app_prov_start_ble_provisioning(security, pop);
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} else {
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/* Else start as station with credentials set during provisioning */
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ESP_LOGI(TAG, "Starting WiFi station");
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wifi_init_sta(NULL);
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}
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}
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