K64F Ethernet server with DS18B20

Dependencies:   DS1820 EthernetInterface mbed-rtos mbed

Fork of eth_lib by Jacek Kolodziej

Revision:
0:9b72cde90412
Child:
1:8b553350350e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Apr 21 08:43:33 2018 +0000
@@ -0,0 +1,93 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+ 
+#define MBED_DEV_IP       "192.168.0.52"
+#define MBED_DEV_MASK     "255.255.255.0"
+#define MBED_DEV_GW       "0.0.0.0"
+#define ECHO_SERVER_PORT   80
+
+Serial pc(USBTX, USBRX); // Debug via USB port.
+DigitalOut red_led(LED_RED, 1);
+DigitalOut green_led(LED_GREEN, 1);
+
+char find_green[50] = "GET /demo_form.asp?LED_COLOUR=GREEN";
+char find_red[50] = "GET /demo_form.asp?LED_COLOUR=RED";
+
+int main (void) {
+    
+    pc.printf("\nHello!\n\r");
+    //pc.baud(9600);
+    EthernetInterface eth; // Interface using Ethernet to connect to an IP-based network.
+    eth.init(); // Initialize the interface with DHCP.
+    //eth.init(MBED_DEV_IP, MBED_DEV_MASK, MBED_DEV_GW); // Initialize the interface with a static IP address.
+    eth.connect(); // Connect Bring the interface up, start DHCP if needed (Dynamic Host Configuration Protocol).
+    
+    pc.printf("\nIP Address is %s\n\r", eth.getIPAddress());
+    
+    TCPSocketServer server; // Instantiate a TCP Server.
+    server.bind(ECHO_SERVER_PORT); // Bind a socket to a specific port (80 = HTTP).
+    server.listen(); // Start listening for incoming connections.
+    
+    while (true) {
+        pc.printf("\nWait for new connection...\n\r");
+        TCPSocketConnection client; //  TCP socket connection.
+        server.accept(client); // Accept a new connection.
+        client.set_blocking(false, 1500); // Timeout after (1.5)s
+        
+        pc.printf("\nConnection from: %s\n\r", client.get_address());
+        
+        char buffer[600];
+        int ret;
+        
+        /////////////GET//////////////
+        while (true) {
+            ret = client.receive(buffer, sizeof(buffer)-1); // Receive data from the remote host. 
+            if (ret <= 0)break;
+            buffer[ret] = '\0';
+            printf("Received %d chars from server:\n\r%s\n\r", ret, buffer);
+            
+            // LED colour seeking:
+            if(strstr(buffer, find_red)>0) {
+                red_led=0;
+                green_led=1;
+            }
+            if(strstr(buffer, find_green)>0) {
+                red_led=1;
+                green_led=0;
+            }
+        }        
+        /////////////SET//////////////
+        // Webpage here:
+        
+        char http_cmd[] = "<!DOCTYPE html> <html> <head> <title> FRDM-K64F </title> </head> <body> <h1> Hello World! </h1> <p> LED </p><form action=""demo_form.asp""><SELECT NAME=""LED_COLOUR""> <OPTION VALUE=""""> <OPTION VALUE=""GREEN"">GREEN <OPTION VALUE=""RED"">RED <input type=""submit"" value=""Submit""> </SELECT></form></body> </html>"; 
+/*
+<!DOCTYPE html>
+<html>
+    <head>
+        <title> FRDM-K64F </title>
+    </head>
+    <body> 
+    
+        <h1> Hello World! </h1> 
+        <p> LED </p>
+        
+        <form action="demo_form.asp">
+            <SELECT NAME="LED_COLOUR"> 
+            <OPTION VALUE="">
+            <OPTION VALUE="GREEN">
+            GREEN
+            <OPTION VALUE="RED">
+            RED 
+            <input type="submit" value="Submit"> 
+            </SELECT>
+        </form>
+    
+    </body>
+</html>"; 
+*/
+        client.send_all(http_cmd, sizeof(http_cmd)-1); // Send all the data to the remote host. 
+                
+        client.close(); //  Close the socket.
+        pc.printf("\n\nClient closed\n\n\r");
+     }
+}
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