Wokwi - Online ESP32, STM32, Arduino Simulator

#include "myUart.h"
#include <esp_wifi.h>
#include <esp_event.h>
#include <esp_log.h>
#include <esp_system.h>
#include <esp_http_server.h>
#include <nvs_flash.h>
#include <sys/param.h>
#include <string.h>
#include "esp_eth.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "esp_adc_cal.h"
#include <stdlib.h>


#define EXAMPLE_ESP_WIFI_SSID      "softAP_EXAMPLE"
#define EXAMPLE_ESP_WIFI_PASS      "SE_141414"
#define EXAMPLE_MAX_STA_CONN       10
char dynamic_content[100]={0};

static const char *TAG = "softAP_WebServer";
uint8_t led=0;
uint32_t start;
char cad[100]={0},cad2[100]={0};
char nombre[20]={0};


/* An HTTP GET handler */
static esp_err_t hello_get_handler(httpd_req_t *req)
{
    char html_response[1000]={0};
    uint32_t j=0;
    
    for(int i=0;cad[i]!='\0';i++){
        if(cad[i]==';'){
            break;
        }
        else{
            cad2[j]=cad[i];
            j++;
        }
    }
    cad2[j]='\0';

    snprintf(html_response,sizeof(html_response),
        "<html>"
        "<head>"
        "<center>"
        "<title>Receptor</title>"
        "</head>"
        "<body>"
        "<h1>%s</h1>"
        "<button onclick=\"location.href='/'\"> Menu principal </button>"
        "</body>"
        "</center>"
        "</html>",cad2);

    httpd_resp_send(req, html_response, strlen(html_response));

    return ESP_OK;
}

static const httpd_uri_t hello = { 
    .uri       = "/",
    .method    = HTTP_GET,
    .handler   = hello_get_handler,
};



static httpd_handle_t start_webserver(void)
{
    httpd_handle_t server = NULL;
    httpd_config_t config = HTTPD_DEFAULT_CONFIG();

    // Iniciar el servidor httpd 
    ESP_LOGI(TAG, "Iniciando el servidor en el puerto: '%d'", config.server_port);
    if (httpd_start(&server, &config) == ESP_OK) {
        // Manejadores de URI
        ESP_LOGI(TAG, "Registrando manejadores de URI");
        httpd_register_uri_handler(server, &hello);
        return server;
    }
    ESP_LOGI(TAG, "Error starting server!");
    return NULL;
}

static void wifi_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
{
    if (event_id == WIFI_EVENT_AP_STACONNECTED) {
        wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
        ESP_LOGI(TAG, "estacion "MACSTR" se unio, AID=%d",
                 MAC2STR(event->mac), event->aid);
    } else if (event_id == WIFI_EVENT_AP_STADISCONNECTED) {
        wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
        ESP_LOGI(TAG, "estacion "MACSTR" se desconecto, AID=%d",
                 MAC2STR(event->mac), event->aid);
    }
}

esp_err_t wifi_init_softap(void)
{
    esp_netif_create_default_wifi_ap();

    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
    ESP_ERROR_CHECK(esp_wifi_init(&cfg));

    ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL));

    wifi_config_t wifi_config = {
        .ap = {
            .ssid = EXAMPLE_ESP_WIFI_SSID,
            .ssid_len = strlen(EXAMPLE_ESP_WIFI_SSID),
            .password = EXAMPLE_ESP_WIFI_PASS,
            .max_connection = EXAMPLE_MAX_STA_CONN,
            .authmode = WIFI_AUTH_WPA_WPA2_PSK
        },
    };
    if (strlen(EXAMPLE_ESP_WIFI_PASS) == 0) {
        wifi_config.ap.authmode = WIFI_AUTH_OPEN;
    }

    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
    ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config));
    ESP_ERROR_CHECK(esp_wifi_start());

    ESP_LOGI(TAG, "Inicializacion de softAP terminada. SSID: %s password: %s",
             EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
    return ESP_OK;
}


void app_main(void)
{
    httpd_handle_t server = NULL;

    uartInit(PC_UART_PORT,115200,8,0,1, PC_UART_TX_PIN, PC_UART_RX_PIN);
    uartInit(UART2_PORT,115200,8,0,1,UART2_TX_PIN,UART2_RX_PIN);
    
    ESP_ERROR_CHECK(nvs_flash_init());
    esp_netif_init();

    ESP_ERROR_CHECK(esp_event_loop_create_default());

    ESP_LOGI(TAG, "init softAP");
    ESP_ERROR_CHECK(wifi_init_softap());

    server = start_webserver();
    
     while(1)
     {
         uartGoto11(0);
         uartClrScr(0);
         uartSetColor(0,YELLOW);
         int len = uart_read_bytes(UART_NUM_2, &cad, sizeof(cad), 20/portTICK_RATE_MS);
         uartPuts(0,cad);
         delayMs(1000);
    }
}