main_cpp

#include <string.h>

#include "esp_wifi.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_event_loop.h"
#include "nvs_flash.h"

#include "console.h"
#include "socket.h"

esp_err_t event_handler(void *ctx, system_event_t *event)
{
    int i;

    if (event->event_id == SYSTEM_EVENT_SCAN_DONE) {
		printf("Number of access points found: %d\n",
		event->event_info.scan_done.number);
		uint16_t apCount = event->event_info.scan_done.number;
		if (apCount == 0) {
			return ESP_OK;
		}
		wifi_ap_record_t *list =
		(wifi_ap_record_t *)malloc(sizeof(wifi_ap_record_t) * apCount);
		ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&apCount, list));
		for (i = 0; i < apCount; i++) {
			char authmode[64];
			switch(list[i].authmode) {
				case WIFI_AUTH_OPEN:
					strcpy(authmode, "WIFI_AUTH_OPEN");
					break;
				case WIFI_AUTH_WEP:
					strcpy(authmode, "WIFI_AUTH_WEP");
					break;
				case WIFI_AUTH_WPA_PSK:
					strcpy(authmode, "WIFI_AUTH_WPA_PSK");
					break;
				case WIFI_AUTH_WPA2_PSK:
					strcpy(authmode, "WIFI_AUTH_WPA2_PSK");
					break;
				case WIFI_AUTH_WPA_WPA2_PSK:
					strcpy(authmode, "WIFI_AUTH_WPA_WPA2_PSK");
					break;
				default:
					strcpy(authmode, "Unknown");
					break;
			}
			printf("MAC=");
			for (int j = 0; j < 5; ++j)
			{
				printf("%02x:", list[i].bssid[j]);
			}
			printf("%02x", list[i].bssid[5]);

			printf(", ssid=%s, rssi=%d, ", list[i].ssid, list[i].rssi);
			printf("authmode=%s\n", authmode);
		}
		free(list);
	}
	return ESP_OK;
}

extern "C" {	// needed for the C functions to call it
int app_main(void)
{
	int portNbr = PORT_NBR;
	nvs_flash_init();
	tcpip_adapter_init();

    ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));

    wifiInit();
    socketInit(portNbr);

    // Let us test a WiFi scan ...
	// 2018 03 22 mzimmers: convert these initializers for C++.
	// wifi_scan_config_t scanConf = {
		// .ssid = NULL,
		// .bssid = NULL,
		// .channel = 0,
		// .show_hidden = 1
	wifi_scan_config_t scanConf =
	{
		NULL,
		NULL,
		0,
		1,
		WIFI_SCAN_TYPE_ACTIVE,
		0, 1000 // min/max scan times.
	};
	ESP_ERROR_CHECK(esp_wifi_scan_start(&scanConf, 0));

    initialize_console();

	return 0;
}
}