pengirim

#include <Arduino.h>
#ifdef ESP32
#include <WiFi.h>
#include <AsyncTCP.h>
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#endif
#include <ESPAsyncWebServer.h>
#include <FS.h>
#include <ArduinoJson.h>

/* Put your SSID & Password */
const char* ssid = "RC Car";  // Enter SSID here
const char* password = "12345678";  // Enter Password here

/* Put IP Address details */
IPAddress local_ip(192,168,1,1);
IPAddress gateway(192,168,1,1);
IPAddress subnet(255,255,255,0);

// Create AsyncWebServer object on port 80
AsyncWebServer server(80);


String up = "";
String down = "";
String left = "";
String right = "";
String stop = "";
String lightoff = "";
String light = "";
String seinloff = "";
String seinl = "";
String seinroff = "";
String seinr = "";

void setup() {
  Serial.begin(9600);
  Serial.println();

  if (SPIFFS.begin()) {
    Serial.println("SPIFFS initialised OK");
  } else {
    Serial.println("SPIFFS initialisation failed");
  }

  WiFi.softAP(ssid, password);
  WiFi.softAPConfig(local_ip, gateway, subnet);
  delay(100);

  // Route for root / web page
  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/index.html", "text/html");
  });

  // Define routes for other assets
  server.on("/assets/css/foundation.css", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/css/foundation.css", "text/css");
  });
  server.on("/assets/js/vendor.js", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/js/vendor.js", "text/javascript");
  });
  server.on("/assets/js/foundation.js", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/js/foundation.js", "text/javascript");
  });

  // Define routes for image assets
  server.on("/assets/img/up.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/up.png", "image/png");
  });
  server.on("/assets/img/left.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/left.png", "image/png");
  });
  server.on("/assets/img/stop.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/stop.png", "image/png");
  });
  server.on("/assets/img/right.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/right.png", "image/png");
  });
  server.on("/assets/img/down.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/down.png", "image/png");
  });
  server.on("/assets/img/light.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/light.png", "image/png");
  });
  server.on("/assets/img/lightoff.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/lightoff.png", "image/png");
  });
  server.on("/assets/img/seinl.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/seinl.png", "image/png");
  });
  server.on("/assets/img/seinloff.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/seinloff.png", "image/png");
  });
  server.on("/assets/img/seinr.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/seinr.png", "image/png");
  });
  server.on("/assets/img/seinroff.png", HTTP_GET, [](AsyncWebServerRequest *request) {
    request->send(SPIFFS, "/assets/img/seinroff.png", "image/png");
  });

  // Define routes for control commands
  server.on("/up", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('a');
    up = "a";
    request->send(200, "text/plain", "ok");
  });
  server.on("/down", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('b');
    down = "b";
    request->send(200, "text/plain", "ok");
  });
  server.on("/left", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('c');
    left = "c";
    request->send(200, "text/plain", "ok");
  });
  server.on("/right", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('d');
    right = "d";
    request->send(200, "text/plain", "ok");
  });
  server.on("/stop", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('e');
    stop = "e";
    request->send(200, "text/plain", "ok");
  });

  server.on("/lightoff", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('f');
    lightoff = "f";
    request->send(200, "text/plain", "ok");
  });
  server.on("/light", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('g');
    light = "g";
    request->send(200, "text/plain", "ok");
  });
  server.on("/seinloff", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('h');
    seinloff = "h";
    request->send(200, "text/plain", "ok");
  });
  server.on("/seinl", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('i');
    seinl = "i";
    request->send(200, "text/plain", "ok");
  });
  server.on("/seinroff", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('j');
    seinroff = "j";
    request->send(200, "text/plain", "ok");
  });
  server.on("/seinr", HTTP_GET, [] (AsyncWebServerRequest *request) {
    Serial.println('k');
    seinr = "k";
    request->send(200, "text/plain", "ok");
  });

  // Start server
  server.begin();
}

void loop() {
  // Create the JSON document
  JsonDocument doc;

  doc["up"] = "up";
  doc["down"] = "down";
  doc["left"] = "left";
  doc["right"] = "right";
  doc["stop"] = "stop";
  doc["lightoff"] = "lightoff";
  doc["light"] = "light";
  doc["seinloff"] = "seinloff";
  doc["seinl"] = "seinl";
  doc["seinroff"] = "seinroff";
  doc["seinr"] = "seinr";

  String Serial;
  doc.shrinkToFit();  // optional
  serializeJson(doc, Serial);
}