Skip to main content

Getting started

This is a simple example, how to use esp_http_server - probably there are libraries to handle it different.
Yet this displays how to connect to the Wifi and start a webserver.
And bind a handler to the endpoint "/" - where we reply with a string "hello world"

#include "esp_http_server.h"
#include 

// Replace with your network credentials
const char* ssid = "YourWifi";
const char* password = "YourPassWord";


httpd_handle_t stream_httpd = NULL;
httpd_handle_t camera_httpd = NULL;

  static esp_err_t file_handler(httpd_req_t *req) { 

       Serial.printf("File handler");

    char ret_homepage[255] = ""; 

   strcpy(ret_homepage,"Hello world"); 
      
  /* Set some custom headers */   
  httpd_resp_set_hdr(req, "Connection", "close"); 
  httpd_resp_set_hdr(req, "Cache-Control", "no-cache");   
      
  /* Send response with custom headers and body set as the    
   * string passed in user context*/  
  const char *resp_str = (const char*) ret_homepage;  

  Serial.print(ret_homepage);
  httpd_resp_send(req, resp_str, HTTPD_RESP_USE_STRLEN);  
  ESP_LOGI(TAG, "Response sent for home page request.Time:%s",esp_log_system_timestamp());    
  return ESP_OK;  
  }
void StartServer(){
  httpd_config_t config = HTTPD_DEFAULT_CONFIG();
  config.server_port = 80;

      httpd_uri_t index_uri = {
    .uri       = "/",
    .method    = HTTP_GET,
    .handler   = file_handler,
    .user_ctx  = NULL
  };
   
    Serial.printf("Starting  server on port: '%d'\n", config.server_port);
    if (httpd_start(&stream_httpd, &config) == ESP_OK) {
        httpd_register_uri_handler(stream_httpd, &index_uri);
    }
}



void setup() {
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  Serial.println("Started");



Serial.println("Wifi");
  // Wi-Fi connection
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  
  
  Serial.print("Camera Stream Ready! Go to: http://");
  Serial.println(WiFi.localIP());
  

  Serial.println("Start  Server");
  StartServer();

}

void loop() {
Serial.println("Loop");
//s_listFiles("/sdcard");
// captureImage();
delay(10000);
  
}
Back to top