v1.4.1 for Teensy41 and QNEthernet

## Changelog

### Releases v1.4.1

1. Initial porting and coding for **Teensy 4.1 using built-in QNEthernet**
2. Bump up version to v1.4.1 to sync with [AsyncWebServer_STM32](https://github.com/khoih-prog/AsyncWebServer_STM32) v1.4.1

Author: khoih-prog

README.md

@@ -6,6 +6,9 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
 [![GitHub issues](https://img.shields.io/github/issues/khoih-prog/AsyncWebServer_Teensy41.svg)](http://github.com/khoih-prog/AsyncWebServer_Teensy41/issues)
 
+<a href="https://www.buymeacoffee.com/khoihprog6" title="Donate to my libraries using BuyMeACoffee"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Donate to my libraries using BuyMeACoffee" style="height: 50px !important;width: 181px !important;" ></a>
+<a href="https://www.buymeacoffee.com/khoihprog6" title="Donate to my libraries using BuyMeACoffee"><img src="https://img.shields.io/badge/buy%20me%20a%20coffee-donate-orange.svg?logo=buy-me-a-coffee&logoColor=FFDD00" style="height: 20px !important;width: 200px !important;" ></a>
+
 ---
 ---
 
@@ -1117,132 +1120,9 @@ server.reset();
 
 ## Setting up the server
 
-```cpp
-#define USING_DHCP            true
-//#define USING_DHCP            false
-
-#if !USING_DHCP
-  // Set the static IP address to use if the DHCP fails to assign
-  IPAddress myIP(192, 168, 2, 222);
-  IPAddress myNetmask(255, 255, 255, 0);
-  IPAddress myGW(192, 168, 2, 1);
-  //IPAddress mydnsServer(192, 168, 2, 1);
-  IPAddress mydnsServer(8, 8, 8, 8);
-#endif
-
-#include "QNEthernet.h"       // https://github.com/ssilverman/QNEthernet
-using namespace qindesign::network;
-
-#include <AsyncWebServer_Teensy41.h>
-
-AsyncWebServer    server(80);
-
-const int led = 13;
-
-void handleRoot(AsyncWebServerRequest *request)
-{
-  digitalWrite(led, 1);
-  request->send(200, "text/plain", String("Hello from AsyncWebServer_Teensy41 on ") + BOARD_NAME );
-  digitalWrite(led, 0);
-}
+https://github.com/khoih-prog/AsyncWebServer_Teensy41/blob/d09281ae572db571fa5e53e624ca19f16462f892/examples/Async_HelloServer/Async_HelloServer.ino#L13-L150
 
-void handleNotFound(AsyncWebServerRequest *request)
-{
-  digitalWrite(led, 1);
-  String message = "File Not Found\n\n";
-
-  message += "URI: ";
-  //message += server.uri();
-  message += request->url();
-  message += "\nMethod: ";
-  message += (request->method() == HTTP_GET) ? "GET" : "POST";
-  message += "\nArguments: ";
-  message += request->args();
-  message += "\n";
-
-  for (uint8_t i = 0; i < request->args(); i++)
-  {
-    message += " " + request->argName(i) + ": " + request->arg(i) + "\n";
-  }
 
-  request->send(404, "text/plain", message);
-  digitalWrite(led, 0);
-}
-
-void setup(void)
-{
-  pinMode(led, OUTPUT);
-  digitalWrite(led, 0);
-
-  Serial.begin(115200);
-  while (!Serial);
-
-  delay(200);
-
-  Serial.print("\nStart Async_HelloServer on "); Serial.print(BOARD_NAME);
-  Serial.print(" with "); Serial.println(SHIELD_TYPE);
-  Serial.println(ASYNC_WEBSERVER_TEENSY41_VERSION);
-
-  delay(500);
-
-#if USING_DHCP
-  // Start the Ethernet connection, using DHCP
-  Serial.print("Initialize Ethernet using DHCP => ");
-  Ethernet.begin();
-#else
-  // Start the Ethernet connection, using static IP
-  Serial.print("Initialize Ethernet using static IP => ");
-  Ethernet.begin(myIP, myNetmask, myGW);
-  Ethernet.setDNSServerIP(mydnsServer);
-#endif
-
-  if (!Ethernet.waitForLocalIP(5000))
-  {
-    Serial.println(F("Failed to configure Ethernet"));
-
-    if (!Ethernet.linkStatus())
-    {
-      Serial.println(F("Ethernet cable is not connected."));
-    }
-
-    // Stay here forever
-    while (true)
-    {
-      delay(1);
-    }
-  }
-  else
-  {
-    Serial.print(F("Connected! IP address:")); Serial.println(Ethernet.localIP());
-  }
-
-#if USING_DHCP
-  delay(1000);
-#else  
-  delay(2000);
-#endif
-  server.on("/", HTTP_GET, [](AsyncWebServerRequest * request)
-  {
-    handleRoot(request);
-  });
-
-  server.on("/inline", [](AsyncWebServerRequest * request)
-  {
-    request->send(200, "text/plain", "This works as well");
-  });
-
-  server.onNotFound(handleNotFound);
-
-  server.begin();
-
-  Serial.print(F("HTTP EthernetWebServer is @ IP : "));
-  Serial.println(Ethernet.localIP());
-}
-
-void loop(void)
-{
-}
-```
 ---
 
 ### Setup global and class functions as request handlers
@@ -1398,207 +1278,8 @@ build_flags =
 
 ### Example [Async_AdvancedWebServer](examples/Async_AdvancedWebServer)
 
+https://github.com/khoih-prog/AsyncWebServer_Teensy41/blob/d09281ae572db571fa5e53e624ca19f16462f892/examples/Async_AdvancedWebServer/Async_AdvancedWebServer.ino#L41-L237
 
-```cpp
-
-#if !( defined(CORE_TEENSY) && defined(__IMXRT1062__) && defined(ARDUINO_TEENSY41) )
-  #error Only Teensy 4.1 supported
-#endif
-
-// Debug Level from 0 to 4
-#define _TEENSY41_ASYNC_TCP_LOGLEVEL_       1
-#define _AWS_TEENSY41_LOGLEVEL_             1
-
-#define SHIELD_TYPE     "Teensy4.1 QNEthernet"
-
-#if (_AWS_TEENSY41_LOGLEVEL_ > 3)
-  #warning Using QNEthernet lib for Teensy 4.1. Must also use Teensy Packages Patch or error
-#endif
-
-#define USING_DHCP            true
-//#define USING_DHCP            false
-
-#if !USING_DHCP
-  // Set the static IP address to use if the DHCP fails to assign
-  IPAddress myIP(192, 168, 2, 222);
-  IPAddress myNetmask(255, 255, 255, 0);
-  IPAddress myGW(192, 168, 2, 1);
-  //IPAddress mydnsServer(192, 168, 2, 1);
-  IPAddress mydnsServer(8, 8, 8, 8);
-#endif
-
-#include "QNEthernet.h"       // https://github.com/ssilverman/QNEthernet
-using namespace qindesign::network;
-
-#include <AsyncWebServer_Teensy41.h>
-
-AsyncWebServer    server(80);
-
-int reqCount = 0;                // number of requests received
-
-const int led = 13;
-
-void handleRoot(AsyncWebServerRequest *request)
-{
-  digitalWrite(led, 1);
-
-#define BUFFER_SIZE     400
-
-  char temp[BUFFER_SIZE];
-  int sec = millis() / 1000;
-  int min = sec / 60;
-  int hr = min / 60;
-  int day = hr / 24;
-
-  snprintf(temp, BUFFER_SIZE - 1,
-           "<html>\
-<head>\
-<meta http-equiv='refresh' content='5'/>\
-<title>AsyncWebServer-%s</title>\
-<style>\
-body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
-</style>\
-</head>\
-<body>\
-<h2>AsyncWebServer_Teensy41!</h2>\
-<h3>running on %s</h3>\
-<p>Uptime: %d d %02d:%02d:%02d</p>\
-<img src=\"/test.svg\" />\
-</body>\
-</html>", BOARD_NAME, BOARD_NAME, day, hr % 24, min % 60, sec % 60);
-
-  request->send(200, "text/html", temp);
-
-  digitalWrite(led, 0);
-}
-
-void handleNotFound(AsyncWebServerRequest *request)
-{
-  digitalWrite(led, 1);
-  String message = "File Not Found\n\n";
-
-  message += "URI: ";
-  message += request->url();
-  message += "\nMethod: ";
-  message += (request->method() == HTTP_GET) ? "GET" : "POST";
-  message += "\nArguments: ";
-  message += request->args();
-  message += "\n";
-
-  for (uint8_t i = 0; i < request->args(); i++)
-  {
-    message += " " + request->argName(i) + ": " + request->arg(i) + "\n";
-  }
-
-  request->send(404, "text/plain", message);
-  digitalWrite(led, 0);
-}
-
-void drawGraph(AsyncWebServerRequest *request)
-{
-  String out;
-
-  out.reserve(3000);
-  char temp[70];
-  
-  out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n";
-  out += "<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"2\" stroke=\"rgb(0, 0, 0)\" />\n";
-  out += "<g stroke=\"blue\">\n";
-  int y = rand() % 130;
-
-  for (int x = 10; x < 300; x += 10)
-  {
-    int y2 = rand() % 130;
-    sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"2\" />\n", x, 140 - y, x + 10, 140 - y2);
-    out += temp;
-    y = y2;
-  }
-  out += "</g>\n</svg>\n";
-
-  request->send(200, "image/svg+xml", out);
-}
-
-
-void setup(void)
-{
-  pinMode(led, OUTPUT);
-  digitalWrite(led, 0);
-
-  Serial.begin(115200);
-  while (!Serial);
-
-  delay(200);
-
-  Serial.print("\nStart Async_AdvancedWebServer on "); Serial.print(BOARD_NAME);
-  Serial.print(" with "); Serial.println(SHIELD_TYPE);
-  Serial.println(ASYNC_WEBSERVER_TEENSY41_VERSION);
-
-  delay(500);
-
-#if USING_DHCP
-  // Start the Ethernet connection, using DHCP
-  Serial.print("Initialize Ethernet using DHCP => ");
-  Ethernet.begin();
-#else
-  // Start the Ethernet connection, using static IP
-  Serial.print("Initialize Ethernet using static IP => ");
-  Ethernet.begin(myIP, myNetmask, myGW);
-  Ethernet.setDNSServerIP(mydnsServer);
-#endif
-
-  if (!Ethernet.waitForLocalIP(5000))
-  {
-    Serial.println(F("Failed to configure Ethernet"));
-
-    if (!Ethernet.linkStatus())
-    {
-      Serial.println(F("Ethernet cable is not connected."));
-    }
-
-    // Stay here forever
-    while (true)
-    {
-      delay(1);
-    }
-  }
-  else
-  {
-    Serial.print(F("Connected! IP address:")); Serial.println(Ethernet.localIP());
-  }
-
-#if USING_DHCP
-  delay(1000);
-#else  
-  delay(2000);
-#endif
-
-  server.on("/", HTTP_GET, [](AsyncWebServerRequest * request)
-  {
-    handleRoot(request);
-  });
-
-  server.on("/test.svg", HTTP_GET, [](AsyncWebServerRequest * request)
-  {
-    drawGraph(request);
-  });
-
-  server.on("/inline", [](AsyncWebServerRequest * request)
-  {
-    request->send(200, "text/plain", "This works as well");
-  });
-
-  server.onNotFound(handleNotFound);
-
-  server.begin();
-
-  Serial.print(F("HTTP EthernetWebServer is @ IP : "));
-  Serial.println(Ethernet.localIP());
-}
-
-void loop(void)
-{
-}
-```
 
 You can access the Async Advanced WebServer @ the server IP
 
@@ -1853,7 +1534,7 @@ If you want to contribute to this project:
 
 ### License
 
-- The library is licensed under [LGPLv3](https://github.com/khoih-prog/AsyncWebServer_Teensy41/blob/main/LICENSE)
+- The library is licensed under [GPLv3](https://github.com/khoih-prog/AsyncWebServer_Teensy41/blob/main/LICENSE)
 
 ---
 

changelog.md

@@ -22,7 +22,7 @@
 
 ### Releases v1.4.1
 
-1. Initial coding for **Teensy 4.1 using built-in QNEthernet**
+1. Initial porting and coding for **Teensy 4.1 using built-in QNEthernet**
 2. Bump up version to v1.4.1 to sync with [AsyncWebServer_STM32](https://github.com/khoih-prog/AsyncWebServer_STM32) v1.4.1