Diff: Networkbits.cpp

Revision:

8:df979097cc71

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Networkbits.cpp	Thu Dec 07 15:28:16 2017 +0000
@@ -0,0 +1,68 @@
+#include "sample_hardware.hpp"
+#include "Networkbits.hpp"
+
+//Network thread - responsible for listening for connectinos and responding with updated tempature values
+void networktest()
+{
+    //This only runs when BOTH switches are pressed down
+    if ((SW1 == 0) || (SW2 == 0)) return;
+    
+    lcd.cls();
+    lcd.printf("Basic HTTP server example\n");
+    
+    //Configure an ethernet connection
+    EthernetInterface eth;
+    eth.set_network(IP, NETMASK, GATEWAY);
+    eth.connect();
+    lcd.printf("The target IP address is '%s'\n", eth.get_ip_address());
+    
+    //Now setup a web server
+    TCPServer srv;           //TCP/IP Server
+    TCPSocket clt_sock;      //Socket for communication
+    SocketAddress clt_addr;  //Address of incoming connection
+    
+    /* Open the server on ethernet stack */
+    srv.open(&eth);
+    
+    /* Bind the HTTP port (TCP 80) to the server */
+    srv.bind(eth.get_ip_address(), 80);
+    
+    /* Can handle 5 simultaneous connections */
+    srv.listen(5);
+    
+    //KEEP RESPONDING WHILE THE SWITCHES ARE PRESSED
+    while ((SW1 == 1) && (SW2 == 1)) {
+        using namespace std;
+        lcd.cls();
+        lcd.printf("Open 10.0.0.1 in a browser\n");
+        
+        //Block and wait on an incoming connection
+        srv.accept(&clt_sock, &clt_addr);
+        printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port());
+        
+        //Uses a C++ string to make it easier to concatinate
+        string response;
+        //This is a C string
+        char ldr_str[64];
+        
+        //Read the temperature value - note that getParameters() is thread safe
+        float temp = sensor.getTemperature();
+        
+        //Convert to a C String
+        sprintf(ldr_str, "%5.3f", temp );
+        printf("LDR: %5.3f\n\r", temp);
+        
+        //Build the C++ string response
+        response = HTTP_MESSAGE_BODY1;
+        response += ldr_str;
+        response += HTTP_MESSAGE_BODY2;
+        
+        //Send static HTML response (as a C string)
+        clt_sock.send(response.c_str(), response.size()+6);    
+    }
+    
+    printf("Release BOTH switches\n");
+    lcd.printf("Release BOTH switches\n");
+    while ((SW1 != 0) && (SW2 != 0));
+    wait(0.5); //debounce
+}
\ No newline at end of file