Mathew Swabey
Updated
Revision 0:9df0dd20731a, committed 2019-01-05
- Comitter:
- Swabey89
- Date:
- Sat Jan 05 15:02:17 2019 +0000
- Commit message:
- Updated
Changed in this revision
| Networking.cpp | Show annotated file Show diff for this revision Revisions of this file |
| Networking.hpp | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Networking.cpp Sat Jan 05 15:02:17 2019 +0000
@@ -0,0 +1,92 @@
+#include "Networking.hpp"
+
+//Network thread - responsible for listening for connectinos and responding with updated tempature values
+void network()
+{
+ EthernetInterface eth;
+ eth.set_network(IP, NETMASK, GATEWAY);
+ eth.connect();
+
+ printQueue.call(printf, "The target IP address is '%s'\n\n\n\r", 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(ð);
+
+ /* Bind the HTTP port (TCP 80) to the server */
+ srv.bind(eth.get_ip_address(), 80);
+
+ /* Can handle 5 simultaneous connections */
+ srv.listen(5);
+
+ while(true)
+ {
+ //Block and wait on an incoming connection
+ srv.accept(&clt_sock, &clt_addr);
+
+ network_tout.attach(network_toutISR,TOUT_TIME_DEF);
+
+ if(logging)
+ {
+ printQueue.call(printf,"Incoming connection accepted on %s:%d\r\n", clt_addr.get_ip_address(), clt_addr.get_port());
+ }
+
+ //Uses a C++ string to make it easier to concatinate
+ {
+ string response;
+ char temp_str[10];
+ char press_str[10];
+ char light_str[10];
+
+ bufferLock.lock();
+ double temp = buffer[newestIndex].gettemp();
+ double press = buffer[newestIndex].getpress();
+ float light = buffer[newestIndex].getlight()*100;
+ string time_str = buffer[newestIndex].getTime();
+ bufferLock.unlock();
+
+ //Convert to a C String
+ sprintf(temp_str, "%5.2f", temp);
+ sprintf(press_str, "%5.2f", press);
+ sprintf(light_str, "%5.2f", light);
+
+
+ //Build the C++ string response
+ response = HTTP_RESPONSE;
+
+ response += HTTP_MESSAGE_TIME;
+ response += time_str;
+
+ response += HTTP_MESSAGE_TEMP;
+ response += temp_str;
+
+ response += HTTP_MESSAGE_PRESSURE;
+ response += press_str;
+
+ response += HTTP_MESSAGE_LIGHT;
+ response += light_str;
+
+ response += HTTP_MESSAGE_FOOT;
+
+ response += "\r\n";
+
+ //Send static HTML response (as a C string)
+ clt_sock.send(response.c_str(), response.size());
+
+ if(logging)
+ {
+ printQueue.call(printf, "Network thread responded with time: %s, temperature: %s, pressure:%s and light level: %s\r\n\n",time_str, temp_str, press_str, light_str);
+ }
+ }
+ network_tout.detach();
+ }
+}
+
+void network_toutISR(void)
+{
+ threadstates |= NETWORK;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Networking.hpp Sat Jan 05 15:02:17 2019 +0000
@@ -0,0 +1,101 @@
+#ifndef MBED_NETWORKING_H
+#define MBED_NETWORKING_H
+
+#include "mbed.h"
+#include "main.h"
+#include "sample_hardware.hpp"
+#include "EthernetInterface.h"
+#include "TCPServer.h"
+#include "TCPSocket.h"
+#include <iostream>
+#include <string>
+
+#define IP "10.0.0.10"
+#define NETMASK "255.0.0.0"
+#define GATEWAY "10.0.0.1"
+
+#define HTTP_STATUS_LINE "HTTP/1.0 200 OK"
+
+#define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8"
+
+#define HTTP_MESSAGE_BODY "" \
+" <html>" "\r\n" \
+" <head>" "\r\n" \
+" <style>" "\r\n" \
+" .title {" "\r\n" \
+" color: dodgerblue;" "\r\n" \
+" font-family: verdana;" "\r\n" \
+" text-align: center;" "\r\n" \
+" padding: 5px;" "\r\n" \
+" }" "\r\n" \
+" </style>" "\r\n" \
+" <style>" "\r\n" \
+" .textbox {" "\r\n" \
+" background-color: dodgerblue;" "\r\n" \
+" color: white;" "\r\n" \
+" font-family: verdana;" "\r\n" \
+" margin: 20px;" "\r\n" \
+" padding: 20px;" "\r\n" \
+" }" "\r\n" \
+" </style>" "\r\n" \
+" <style>" "\r\n" \
+" .footer {" "\r\n" \
+" color: dodgerblue;" "\r\n" \
+" font-family: verdana;" "\r\n" \
+" text-align: right;" "\r\n" \
+" padding: 20px;" "\r\n" \
+" }" "\r\n" \
+" </style>" "\r\n" \
+" </head>" "\r\n" \
+" <body>" "\r\n" \
+
+#define HTTP_MESSAGE_TIME "" \
+" <div class=\"title\">" "\r\n" \
+" <h1>Environmental Sensor</h1>" "\r\n" \
+" <p> Sample Time: "
+
+#define HTTP_MESSAGE_TEMP "" \
+" </p>" "\r\n" \
+" </div>" "\r\n" \
+" <div style=\"text-align: center\">" "\r\n" \
+" <input type='button' onclick='location.reload();' value='Refresh Data' />" "\r\n" \
+" </div>" "\r\n" \
+" <div class=\"textbox\">" "\r\n" \
+" <h2>Temperature (<sup>o</sup>C)</h2>" "\r\n" \
+" <p>"
+
+#define HTTP_MESSAGE_PRESSURE "" \
+" </p>" "\r\n" \
+" </div>" "\r\n" \
+" <div class=\"textbox\">" "\r\n" \
+" <h2>Pressure (mbar)</h2>" "\r\n" \
+" <p>"
+
+#define HTTP_MESSAGE_LIGHT "" \
+" </p>" "\r\n" \
+" </div>" "\r\n" \
+" <div class=\"textbox\">" "\r\n" \
+" <h2>Light Level (%)</h2>" "\r\n" \
+" <p>"
+
+#define HTTP_MESSAGE_FOOT "" \
+" </p>" "\r\n" \
+" </div>" "\r\n" \
+" <footer class=\"footer\">" "\r\n" \
+" <img src=\"https://cdn-edu.wpmhost.net/53544f/6bf071deb4/A1F4-0FF4-4F67-AE2B-9DAC.png\" width=\"250\" height=\"60\">" "\r\n" \
+" <p>ELEC350 - Low Power Environmental Sensor Coursework</p>" "\r\n" \
+" </footer>" "\r\n" \
+" </body>" "\r\n" \
+" </html>"
+
+#define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n" \
+ HTTP_HEADER_FIELDS "\r\n" \
+ "\r\n" \
+ HTTP_MESSAGE_BODY "\r\n" \
+
+
+
+extern void network(void);
+extern void network_toutISR(void);
+
+#endif
\ No newline at end of file