Create my19-ethernet-webserver.ino

Author: hpssjellis

Diff for: my19-ethernet-webserver.ino

@@ -0,0 +1,116 @@
+
+#include <Portenta_Ethernet.h>
+#include <Ethernet.h>
+
+// Enter a MAC address and IP address for your controller below.
+// The IP address will be dependent on your local network:
+byte mac[] = {
+  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
+};
+IPAddress ip(192, 168, 1, 177);  // what are these for??
+
+// Initialize the Ethernet server library
+// with the IP address and port you want to use
+// (port 80 is default for HTTP):
+EthernetServer server(80);
+
+
+
+void setup() {
+
+  // Open serial communications and wait for port to open:
+  Serial.begin(115200);
+  pinMode(LED_BUILTIN, OUTPUT);      // set the LED Green pin mode  
+  pinMode(LEDB, OUTPUT);             
+  digitalWrite(LEDB, HIGH);  
+  digitalWrite(LED_BUILTIN, LOW);  
+  
+  delay(5000);  // time to get serial monitor working if needed
+  Serial.println("Wait a few seconds to plug in serial");
+  delay(5000);  
+  Serial.println(".");
+  delay(5000);   
+  Serial.println(".");
+
+  
+  Serial.println("Ethernet WebServer Example");
+
+  // start the Ethernet connection and the server:
+  Ethernet.begin(mac);
+
+  // Check for Ethernet hardware present
+  if (Ethernet.hardwareStatus() == EthernetNoHardware) {
+    Serial.println("Ethernet shield was not found.  Sorry, can't run without hardware. :(");
+    while (true) {
+      delay(1); // do nothing, no point running without Ethernet hardware
+    }
+  }
+  if (Ethernet.linkStatus() == LinkOFF) {
+    Serial.println("Ethernet cable is not connected.");
+  }
+
+  // start the server
+  server.begin();
+  Serial.print("server is at ");
+  Serial.println(Ethernet.localIP());
+  digitalWrite(LEDB, LOW);  
+  digitalWrite(LED_BUILTIN, HIGH); 
+}
+
+
+void loop() {
+  // listen for incoming clients
+  EthernetClient client = server.available();
+   if (client) {                             // if you get a client,
+    
+    Serial.print("server is at ");
+    Serial.println(Ethernet.localIP());
+  
+    Serial.println("new client");           // print a message out the serial port
+    String currentLine = "";                // make a String to hold incoming data from the client
+    while (client.connected()) {            // loop while the client's connected
+      if (client.available()) {             // if there's bytes to read from the client,
+        char c = client.read();             // read a byte, then
+        Serial.write(c);                    // print it out the serial monitor
+        if (c == '\n') {                    // if the byte is a newline character
+
+          // if the current line is blank, you got two newline characters in a row.
+          // that's the end of the client HTTP request, so send a response:
+          if (currentLine.length() == 0) {
+            // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
+            // and a content-type so the client knows what's coming, then a blank line:
+            client.println("HTTP/1.1 200 OK");
+            client.println("Content-type:text/html");
+           //client.println("{answer:42}");
+            client.println();
+
+            // the content of the HTTP response follows the header:
+            client.print("<input type=button value='LED BLUE Off' onclick='{location=\"/H\"}'>");
+            client.print("<input type=button value='LED BLUE On' onclick='{location=\"/L\"}'>");
+
+            // The HTTP response ends with another blank line:
+            client.println();    
+            // break out of the while loop:
+            break;
+          } else {    // if you got a newline, then clear currentLine:
+            currentLine = "";
+          }
+        } else if (c != '\r') {  // if you got anything else but a carriage return character,
+          currentLine += c;      // add it to the end of the currentLine
+        }
+
+        // Check to see if the client request was "GET /H" or "GET /L":
+        if (currentLine.endsWith("GET /H")) {
+          digitalWrite(LEDB, HIGH);               // GET /H turns the LED on
+        }
+        if (currentLine.endsWith("GET /L")) {
+          digitalWrite(LEDB, LOW);                // GET /L turns the LED off
+        }
+      }
+    }
+    // close the connection:
+    client.stop();
+
+  }
+}
+