Add NativeEthernet working example

latchdevel · Apr 29, 2021 · 32864cc · 32864cc
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commit 32864cc
Showing 1 changed file with 177 additions and 0 deletions.
diff --git a/examples/SimpleWebServer_NativeEthernet/SimpleWebServer_NativeEthernet.ino b/examples/SimpleWebServer_NativeEthernet/SimpleWebServer_NativeEthernet.ino
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+/****************************************************************************************************************************
+  SimpleWebServer_NativeEthernet.ino - Dead simple web-server for Ethernet shields
+
+  EthernetWebServer is a library for the Ethernet shields to run WebServer
+
+  Based on and modified from ESP8266 https://github.com/esp8266/Arduino/releases
+  Built by Khoi Hoang https://github.com/khoih-prog/EthernetWebServer
+  Licensed under MIT license
+
+  Copyright (c) 2015, Majenko Technologies
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without modification,
+  are permitted provided that the following conditions are met:
+
+  Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+  Redistributions in binary form must reproduce the above copyright notice, this
+  list of conditions and the following disclaimer in the documentation and/or
+  other materials provided with the distribution.
+
+  Neither the name of Majenko Technologies nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************************************************************/
+
+#include <SPI.h>
+#include <NativeEthernet.h>
+
+#define USING_STATIC_IP       true
+
+byte mac[] = { 0xFE, 0xED, 0xDE, 0xAD, 0xBE, 0xEF }; //physical mac address
+
+#if USING_STATIC_IP
+  IPAddress ip        (192, 168, 2, 127);
+  IPAddress gateway   (192, 168, 2, 1);
+  IPAddress subnet    (255, 255, 255, 0);
+#endif
+
+EthernetServer server(80); //server port
+
+EthernetClient client;
+
+String readString;
+
+//////////////////////
+
+#define BOARD_NAME    "Teensy 4.1 with NativeEthernet"
+
+#define ETHERNET_SS_PIN     10
+
+#define BUFFER_SIZE         400
+char htmlBuffer[BUFFER_SIZE];
+
+void handleRoot()
+{
+  int sec = millis() / 1000;
+  int min = sec / 60;
+  int hr = min / 60;
+  int day = hr / 24;
+
+  hr = hr % 24;
+
+  Serial.print(F("R"));
+
+  snprintf(htmlBuffer, BUFFER_SIZE - 1,
+           "<html>\
+<head>\
+<meta http-equiv='refresh' content='5'/>\
+<title>AdvancedWebServer %s</title>\
+<style>\
+body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
+</style>\
+</head>\
+<body>\
+<h2>Hi from EthernetWebServer!</h2>\
+<h3>on %s</h3>\
+<p>Uptime: %d d %02d:%02d:%02d</p>\
+</body>\
+</html>", BOARD_NAME, BOARD_NAME, day, hr % 24, min % 60, sec % 60);
+
+  //server.send(200, F("text/html"), htmlBuffer);
+  Serial.println(htmlBuffer);
+
+  client.println(htmlBuffer);
+}
+
+//////////////////////
+
+void drawGraph()
+{
+  String out;
+  out.reserve(3000);
+  char temp[70];
+
+  Serial.print(F("D"));
+
+  out += F("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n");
+  out += F("<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n");
+  out += F("<g stroke=\"black\">\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=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
+    out += temp;
+    y = y2;
+  }
+  out += F("</g>\n</svg>\n");
+
+  //server.send(200, F("image/svg+xml"), out);
+  Serial.println(out);
+
+  client.println(out);
+}
+
+//////////////////////
+
+void setup()
+{
+  //enable serial data print
+  Serial.begin(115200);
+  while (!Serial);
+
+  Serial.print("SimpleWebServer_NativeEthernet on ");
+  Serial.println(BOARD_NAME);
+
+  Ethernet.init(ETHERNET_SS_PIN);
+
+#if USING_STATIC_IP
+  // Static IP
+  //Ethernet.begin(mac, ip, gateway, subnet);
+  Ethernet.begin(mac, ip);
+#else
+  // DHCP
+  Ethernet.begin(mac);
+#endif
+
+  server.begin();
+
+  Serial.print(F("Connected! IP address: "));
+  Serial.println(Ethernet.localIP());
+}
+
+void loop()
+{
+  // Create a client connection
+  client = server.available();
+
+  if (client)
+  {
+    while (client.connected())
+    {
+      if (client.available())
+      {
+        handleRoot();
+        drawGraph();
+
+        //stopping client
+        client.stop();
+      }
+    }
+  }
+}