From 85ea4e995a75abe061f6fc375ea0481084dddd43 Mon Sep 17 00:00:00 2001 From: schererleander Date: Tue, 20 Jan 2026 08:34:54 +0100 Subject: initial commit --- .../examples/WebSocketEasy/WebSocketEasy.ino | 124 +++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 libraries/ESP_Async_WebServer/examples/WebSocketEasy/WebSocketEasy.ino (limited to 'libraries/ESP_Async_WebServer/examples/WebSocketEasy/WebSocketEasy.ino') diff --git a/libraries/ESP_Async_WebServer/examples/WebSocketEasy/WebSocketEasy.ino b/libraries/ESP_Async_WebServer/examples/WebSocketEasy/WebSocketEasy.ino new file mode 100644 index 0000000..12b03ce --- /dev/null +++ b/libraries/ESP_Async_WebServer/examples/WebSocketEasy/WebSocketEasy.ino @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: LGPL-3.0-or-later +// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov + +// +// WebSocket example using the easy to use AsyncWebSocketMessageHandler handler that only supports unfragmented messages +// + +#include +#ifdef ESP32 +#include +#include +#elif defined(ESP8266) +#include +#include +#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350) +#include +#include +#endif + +#include + +static AsyncWebServer server(80); + +// create an easy-to-use handler +static AsyncWebSocketMessageHandler wsHandler; + +// add it to the websocket server +static AsyncWebSocket ws("/ws", wsHandler.eventHandler()); + +// alternatively you can do as usual: +// +// static AsyncWebSocket ws("/ws"); +// ws.onEvent(wsHandler.eventHandler()); + +static const char *htmlContent PROGMEM = R"( + + + + WebSocket + + +

WebSocket Example

+ <>Open your browser console!

+ + + + + + )"; +static const size_t htmlContentLength = strlen_P(htmlContent); + +void setup() { + Serial.begin(115200); + +#ifndef CONFIG_IDF_TARGET_ESP32H2 + WiFi.mode(WIFI_AP); + WiFi.softAP("esp-captive"); +#endif + + // serves root html page + server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) { + request->send(200, "text/html", (const uint8_t *)htmlContent, htmlContentLength); + }); + + wsHandler.onConnect([](AsyncWebSocket *server, AsyncWebSocketClient *client) { + Serial.printf("Client %" PRIu32 " connected\n", client->id()); + server->textAll("New client: " + String(client->id())); + }); + + wsHandler.onDisconnect([](AsyncWebSocket *server, uint32_t clientId) { + Serial.printf("Client %" PRIu32 " disconnected\n", clientId); + server->textAll("Client " + String(clientId) + " disconnected"); + }); + + wsHandler.onError([](AsyncWebSocket *server, AsyncWebSocketClient *client, uint16_t errorCode, const char *reason, size_t len) { + Serial.printf("Client %" PRIu32 " error: %" PRIu16 ": %s\n", client->id(), errorCode, reason); + }); + + wsHandler.onMessage([](AsyncWebSocket *server, AsyncWebSocketClient *client, const uint8_t *data, size_t len) { + Serial.printf("Client %" PRIu32 " data: %s\n", client->id(), (const char *)data); + }); + + wsHandler.onFragment([](AsyncWebSocket *server, AsyncWebSocketClient *client, const AwsFrameInfo *frameInfo, const uint8_t *data, size_t len) { + Serial.printf("Client %" PRIu32 " fragment %" PRIu32 ": %s\n", client->id(), frameInfo->num, (const char *)data); + }); + + server.addHandler(&ws); + server.begin(); +} + +static uint32_t lastWS = 0; +static uint32_t deltaWS = 2000; + +void loop() { + uint32_t now = millis(); + + if (now - lastWS >= deltaWS) { + ws.cleanupClients(); + ws.printfAll("now: %" PRIu32 "\n", now); + lastWS = millis(); +#ifdef ESP32 + Serial.printf("Free heap: %" PRIu32 "\n", ESP.getFreeHeap()); +#endif + } +} -- cgit v1.3.1