chore: import local project into Gitea

WiFiX-Enhanced/.pio/libdeps/esp32_enhanced/AsyncTCP/examples/AsyncSend/AsyncSend.ino

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+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+/*
+  This example demonstrates how to send data to a remote server asynchronously.
+  Run on the remote computer: nc -l -p 1234
+
+  You should see in the logs:
+
+Connected!
+Will send 5760 bytes...
+Acked 1436 bytes in 19 ms
+Will send 1436 bytes...
+Acked 1436 bytes in 2 ms
+Will send 996 bytes...
+Waiting for acks...
+Acked 1436 bytes in 1 ms
+Acked 1436 bytes in 5 ms
+Acked 1452 bytes in 17 ms
+Acked 996 bytes in 28 ms
+Buffer received - next send in 2 sec
+Will send 5760 bytes...
+Acked 1436 bytes in 14 ms
+Will send 1436 bytes...
+Acked 1436 bytes in 2 ms
+Acked 1436 bytes in 0 ms
+Acked 1452 bytes in 1 ms
+Will send 996 bytes...
+Waiting for acks...
+Acked 1436 bytes in 3 ms
+Acked 996 bytes in 18 ms
+Buffer received - next send in 2 sec
+
+  And in the remote terminal 3072 characters sent [.........  ...........] and so on.
+*/
+
+#include <Arduino.h>
+#include <AsyncTCP.h>
+#include <StreamString.h>
+#include <WiFi.h>
+#include <assert.h>
+
+#include <functional>
+#include <string>
+
+#define WIFI_SSID     "IoT"
+#define WIFI_PASSWORD ""
+
+#define REMOTE_IP   "192.168.125.116"
+#define REMOTE_PORT 1234
+
+#define BUFFER_SIZE 8 * 1024
+
+static char buffer[BUFFER_SIZE] = {0};
+static size_t bufferPos = 0;
+
+// 0 == disconnected
+// 1 == connecting
+// 2 == connected
+static uint8_t state = 0;
+
+// number of bytes waiting for a ack
+static size_t waitingAck = 0;
+
+static AsyncClient client;
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) {
+    continue;
+  }
+
+  // connect to WiFi
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+  }
+  Serial.println("Connected to WiFi!");
+  Serial.println(WiFi.localIP());
+
+  // fill buffer
+  buffer[0] = '[';
+  for (size_t i = 1; i < BUFFER_SIZE - 1; i++) {
+    buffer[i] = '.';
+  }
+  buffer[BUFFER_SIZE - 1] = ']';
+
+  // register a callback when the client disconnects
+  client.onDisconnect([](void *arg, AsyncClient *client) {
+    Serial.printf("Disconnected.\n");
+    state = 0;
+  });
+
+  // register a callback when an error occurs
+  client.onError([](void *arg, AsyncClient *client, int8_t error) {
+    Serial.printf("Error: %s\n", client->errorToString(error));
+  });
+
+  // register a callback when data arrives, to accumulate it
+  client.onData([](void *arg, AsyncClient *client, void *data, size_t len) {
+    Serial.printf("Received %u bytes...\n", len);
+    Serial.write((uint8_t *)data, len);
+  });
+
+  // register a callback when we are connected
+  client.onConnect([](void *arg, AsyncClient *client) {
+    Serial.printf("Connected!\n");
+    state = 2;
+  });
+
+  client.onAck([](void *arg, AsyncClient *client, size_t len, uint32_t time) {
+    Serial.printf("Acked %u bytes in %" PRIu32 " ms\n", len, time);
+    assert(waitingAck >= len);
+    waitingAck -= len;
+  });
+
+  client.setRxTimeout(20000);
+  client.setNoDelay(true);
+}
+
+void loop() {
+  switch (state) {
+    case 0:
+    {
+      Serial.printf("Connecting...\n");
+      if (!client.connect(REMOTE_IP, REMOTE_PORT)) {
+        Serial.printf("Failed to connect!\n");
+        delay(1000);  // to not flood logs
+      } else {
+        state = 1;
+      }
+      break;
+    }
+
+    case 1:
+    {
+      Serial.printf("Still connecting...\n");
+      delay(500);  // to not flood logs
+      break;
+    }
+
+    case 2:
+    {
+      // fill PCB space until we can
+      size_t willSend;
+      while (bufferPos < BUFFER_SIZE && (willSend = client.write(buffer + bufferPos, BUFFER_SIZE - bufferPos))) {
+        Serial.printf("Will send %u bytes...\n", willSend);
+        bufferPos += willSend;
+        waitingAck += willSend;
+      }
+
+      // we have sent the whole buffer ?
+      if (bufferPos >= BUFFER_SIZE) {
+        // wait for acks, or send again after 2 sec
+        if (waitingAck) {
+          Serial.printf("Waiting for acks...\n");
+          delay(100);
+        } else {
+          Serial.printf("Buffer received - next send in 2 sec\n");
+          delay(2000);
+          bufferPos = 0;
+        }
+      }
+      break;
+    }
+
+    default: break;
+  }
+}

WiFiX-Enhanced/.pio/libdeps/esp32_enhanced/AsyncTCP/examples/Client/Client.ino

@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+#include <Arduino.h>
+#include <AsyncTCP.h>
+#include <WiFi.h>
+
+// Run a server at the root of the project with:
+// > python3 -m http.server 3333
+// Now you can open a browser and test it works by visiting http://192.168.125.122:3333/ or http://192.168.125.122:3333/README.md
+#define HOST "192.168.125.122"
+#define PORT 3333
+
+// WiFi SSID to connect to
+#define WIFI_SSID "IoT"
+
+// 16 slots on esp32 (CONFIG_LWIP_MAX_ACTIVE_TCP)
+#define MAX_CLIENTS CONFIG_LWIP_MAX_ACTIVE_TCP
+// #define MAX_CLIENTS 1
+
+size_t permits = MAX_CLIENTS;
+
+void makeRequest() {
+  if (!permits) {
+    return;
+  }
+
+  Serial.printf("** permits: %d\n", permits);
+
+  AsyncClient *client = new AsyncClient;
+
+  client->onError([](void *arg, AsyncClient *client, int8_t error) {
+    Serial.printf("** error occurred %s \n", client->errorToString(error));
+    client->close(true);
+    delete client;
+  });
+
+  client->onConnect([](void *arg, AsyncClient *client) {
+    permits--;
+    Serial.printf("** client has been connected: %" PRIu16 "\n", client->localPort());
+
+    client->onDisconnect([](void *arg, AsyncClient *client) {
+      Serial.printf("** client has been disconnected: %" PRIu16 "\n", client->localPort());
+      client->close(true);
+      delete client;
+
+      permits++;
+      makeRequest();
+    });
+
+    client->onData([](void *arg, AsyncClient *client, void *data, size_t len) {
+      Serial.printf("** data received by client: %" PRIu16 ": len=%u\n", client->localPort(), len);
+    });
+
+    client->write("GET /README.md HTTP/1.1\r\nHost: " HOST "\r\nUser-Agent: ESP\r\nConnection: close\r\n\r\n");
+  });
+
+  if (client->connect(HOST, PORT)) {
+  } else {
+    Serial.println("** connection failed");
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) {
+    continue;
+  }
+
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(WIFI_SSID);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("** connected to WiFi");
+  Serial.println(WiFi.localIP());
+
+  for (size_t i = 0; i < MAX_CLIENTS; i++) {
+    makeRequest();
+  }
+}
+
+void loop() {
+  delay(1000);
+  Serial.printf("** free heap: %" PRIu32 "\n", ESP.getFreeHeap());
+}

WiFiX-Enhanced/.pio/libdeps/esp32_enhanced/AsyncTCP/examples/FetchWebsite/FetchWebsite.ino

@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+#include <Arduino.h>
+#include <AsyncTCP.h>
+#include <StreamString.h>
+#include <WiFi.h>
+
+#include <functional>
+#include <string>
+
+#define WIFI_SSID     "IoT"
+#define WIFI_PASSWORD ""
+
+void fetchAsync(const char *host, std::function<void(const StreamString *)> onDone) {
+  Serial.printf("[%s] Fetching: http://%s...\n", host, host);
+
+  // buffer where we will accumulate the received data
+  StreamString *content = new StreamString();
+
+  // reserve enough space to avoid reallocations
+  content->reserve(32 * 1024);
+
+  // create a new client
+  AsyncClient *client = new AsyncClient();
+
+  // register a callback when the client disconnects
+  client->onDisconnect([content, host, onDone](void *arg, AsyncClient *client) {
+    Serial.printf("[%s] Disconnected.\n", host);
+    onDone(content);
+    delete client;
+    delete content;
+  });
+
+  // register a callback when an error occurs
+  client->onError([host, onDone](void *arg, AsyncClient *client, int8_t error) {
+    Serial.printf("[%s] Error: %s\n", host, client->errorToString(error));
+  });
+
+  // register a callback when data arrives, to accumulate it
+  client->onData([host, content](void *arg, AsyncClient *client, void *data, size_t len) {
+    Serial.printf("[%s] Received %u bytes...\n", host, len);
+    content->write((const uint8_t *)data, len);
+  });
+
+  // register a callback when we are connected
+  client->onConnect([host](void *arg, AsyncClient *client) {
+    Serial.printf("[%s] Connected!\n", host);
+
+    // send request
+    client->write("GET / HTTP/1.1\r\n");
+    client->write("Host: ");
+    client->write(host);
+    client->write("\r\n");
+    client->write("User-Agent: ESP32\r\n");
+    client->write("Connection: close\r\n");
+    client->write("\r\n");
+  });
+
+  Serial.printf("[%s] Connecting...\n", host);
+
+  if (!client->connect(host, 80)) {
+    Serial.printf("[%s] Failed to connect!\n", host);
+    delete client;
+    delete content;
+    onDone(nullptr);
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) {
+    continue;
+  }
+
+  // connect to WiFi
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+  }
+  Serial.println("Connected to WiFi!");
+  Serial.println(WiFi.localIP());
+
+  // fetch asynchronously 2 websites:
+
+  // equivalent to curl -v --raw http://www.time.org/
+  fetchAsync("www.time.org", [](const StreamString *content) {
+    if (content) {
+      Serial.printf("[www.time.org] Fetched website:\n%s\n", content->c_str());
+    } else {
+      Serial.println("[www.time.org] Failed to fetch website!");
+    }
+  });
+
+  // equivalent to curl -v --raw http://www.google.com/
+  fetchAsync("www.google.com", [](const StreamString *content) {
+    if (content) {
+      Serial.printf("[www.google.com] Fetched website:\n%s\n", content->c_str());
+    } else {
+      Serial.println("[www.google.com] Failed to fetch website!");
+    }
+  });
+}
+
+void loop() {
+  delay(100);
+}