84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
//
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// A simple server implementation showing how to:
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// * serve static messages
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// * read GET and POST parameters
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// * handle missing pages / 404s
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//
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#define LED_BUILTIN 2
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#include <Arduino.h>
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#ifdef ESP32
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#include <WiFi.h>
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#include <AsyncTCP.h>
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#elif defined(ESP8266)
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#include <ESP8266WiFi.h>
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#include <ESPAsyncTCP.h>
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#endif
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#include <ESPAsyncWebServer.h>
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AsyncWebServer server(80);
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const char* ssid = "*******";
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const char* password = "********";
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const char* PARAM_MESSAGE = "message";
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void notFound(AsyncWebServerRequest *request) {
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request->send(404, "text/plain", "Not found");
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}
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void setup() {
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pinMode(LED_BUILTIN, OUTPUT);
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Serial.begin(115200);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("Connected");
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Serial.print("IP Address: ");
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Serial.println(WiFi.localIP());
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server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send(200, "text/html", "<button onclick=\"fetch('http://192.168.178.198/on')\">Turn LED ON</button> <button onclick=\"fetch('http://192.168.178.198/off')\">Turn LED OFF</button>");
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});
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server.on("/on", HTTP_GET, [](AsyncWebServerRequest *request){
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digitalWrite(LED_BUILTIN, HIGH);
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request->send(200, "text/plain", "Was there ever anything here?");
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});
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server.on("/off", HTTP_GET, [](AsyncWebServerRequest *request){
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digitalWrite(LED_BUILTIN, LOW);
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request->send(200, "text/plain", "Was there ever anything here?");
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});
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// Send a GET request to <IP>/get?message=<message>
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server.on("/get", HTTP_GET, [] (AsyncWebServerRequest *request) {
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String message;
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if (request->hasParam(PARAM_MESSAGE)) {
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message = request->getParam(PARAM_MESSAGE)->value();
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} else {
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message = "No message sent";
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}
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request->send(200, "text/plain", "Hello, GET: " + message);
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});
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// Send a POST request to <IP>/post with a form field message set to <message>
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server.on("/post", HTTP_POST, [](AsyncWebServerRequest *request){
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String message;
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if (request->hasParam(PARAM_MESSAGE, true)) {
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message = request->getParam(PARAM_MESSAGE, true)->value();
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} else {
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message = "No message sent";
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}
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request->send(200, "text/plain", "Hello, POST: " + message);
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});
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server.onNotFound(notFound);
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server.begin();
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}
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void loop() {
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}
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