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#include "WiFi.h" #include "ESPAsyncWebServer.h" #include "SPIFFS.h" //library for reading file #include <ArduinoJson.h> //library for formating as JSON - version 5.13 AsyncWebServer server(80); StaticJsonBuffer<200> jsonBuffer; String jsonString; void setupAPMode() { const char* ssid = "433PTT"; // Set the name of the access point const char* password = "12345678"; // Set the password for the access point WiFi.softAP(ssid, password); // Set the ESP32 to AP mode with the specified SSID and password Serial.print("Access point IP address: "); Serial.println(WiFi.softAPIP()); // Print the IP address of the access point } void handleGetView(AsyncWebServerRequest *request) { jsonBuffer.clear(); JsonObject& object = jsonBuffer.createObject(); // { // "hello": "world"; // } object["hello"] = "world"; String response; object.printTo(response); request->send(200, "application/json", response); } // example data to post: // { // "key1": "value1", // "key2": "value2" // } void handlePostBodySend(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total){ DynamicJsonBuffer jsonDynamicBuffer; JsonObject& root = jsonDynamicBuffer.parseObject((const char*)data); if (root.success()) { if (root.containsKey("key1")) { Serial.println(root["key"].asString()); } if (root.containsKey("key2")) { Serial.println(root["key2"].asString()); } request->send(200, "text/plain", ""); } else { request->send(404, "text/plain", ""); } } void setUpRoutes(){ if(!SPIFFS.begin(true)){ Serial.println("An Error has occurred while mounting SPIFFS"); return; } DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*"); server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){ request->send(SPIFFS, "/main.html", String(), false); }); server.on("/styles.css", HTTP_GET, [](AsyncWebServerRequest *request){ request->send(SPIFFS, "/styles.css", "text/css"); }); server.on("/main.js", HTTP_GET, [](AsyncWebServerRequest *request){ request->send(SPIFFS, "/main.js", "application/javascript"); }); server.on("/on", HTTP_GET, handleGetView); server.on("/postDataRF", HTTP_POST, [](AsyncWebServerRequest *request){},NULL, handlePostBodySend); server.begin(); } void setup() { Serial.begin(9600); //define frequency of serial monitor Serial.println("successfully"); setupAPMode(); setUpRoutes(); } void loop() { }