Liam Grazier
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0NicksCoursework-lg
by 
Liam Grazier
Diff: Network/network.cpp
- Revision:
- 8:582ac4c5a524
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Network/network.cpp Tue Jan 09 05:43:43 2018 +0000
@@ -0,0 +1,148 @@
+#if !FEATURE_LWIP
+ #error [NOT_SUPPORTED] LWIP not supported for this target
+#endif
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "TCPServer.h"
+#include "TCPSocket.h"
+ char realtime[32];
+#include <iostream>
+#include <string>
+#include "BMP280.h"
+#include "components.hpp"
+#include "network.hpp"
+Mutex Net;
+#define HTTP_STATUS_LINE "HTTP/1.0 200 OK"
+#define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8"
+#define HTTP_MESSAGE_BODY1 "" \
+"<html>" "\r\n" \
+" <body style=\"display:flex;text-align:center\">" "\r\n" \
+" <div style=\"margin:auto\">" "\r\n" \
+" <h1>Sensor Data</h1>" "\r\n" \
+" <p>Light Level LDR value: " "\r\n"
+
+#define HTTP_Pressure1 "" \
+"<html>" "\r\n" \
+" <body style=\"display:flex;text-align:center\">" "\r\n" \
+" <div style=\"margin:auto\">" "\r\n" \
+" <h1> </h1>" "\r\n" \
+" <p>Pressure(mbar): " "\r\n"
+
+#define HTTP_Pressure2 "" \
+ "</p>" "\r\n" \
+" </div>" "\r\n" \
+" </body>" "\r\n" \
+"</html>"
+#define HTTP_TIME "" \
+"<html>" "\r\n" \
+" <body style=\"display:flex;text-align:center\">" "\r\n" \
+" <div style=\"margin:auto\">" "\r\n" \
+" <h1> </h1>" "\r\n" \
+" <p>Time: " "\r\n"
+
+#define HTTP_Temperature1 "" \
+"<html>" "\r\n" \
+" <body style=\"display:flex;text-align:center\">" "\r\n" \
+" <div style=\"margin:auto\">" "\r\n" \
+" <h1> </h1>" "\r\n" \
+" <p>Temperature(Degrees Celcius): " "\r\n"
+
+#define HTTP_Temperature2 "" \
+ "</p>" "\r\n" \
+" </div>" "\r\n" \
+" </body>" "\r\n" \
+"</html>"
+#define HTTP_MESSAGE_TIME "" \
+ "</p>" "\r\n" \
+" </div>" "\r\n" \
+" </body>" "\r\n" \
+"</html>"
+#define HTTP_MESSAGE_BODY2 "" \
+ "</p>" "\r\n" \
+" </div>" "\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"
+
+#define IP "10.0.0.10"
+#define NETMASK "255.0.0.0"
+#define GATEWAY "10.0.0.1"
+void dispstralltime(){
+ time_t seconds = time(NULL);
+ strftime(realtime, 32, "%c\n\r", localtime(&seconds));
+ }
+void networksend(void)
+{
+ // interrupt routine setup
+ Net.lock();
+ printf("Network Enabled\n\r");//n
+ //Configure an ethernet connection
+ EthernetInterface eth;
+ eth.set_network(IP, NETMASK, GATEWAY);
+ eth.connect();
+//
+ Net.unlock();
+ //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) {
+ Net.lock();
+ using namespace std;
+ //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());
+
+ double temp = sensor.getTemperature();
+ double pres = sensor.getPressure();
+ //Uses a C++ string to make it easier to concatinate
+ string response;
+ //This is a C string
+ char adcIn_str[64];
+ char pres_str[64];
+ char temp_str[64];
+ dispstralltime();
+ //Read the LDR value
+ float u = adcIn;
+ float b = pres;
+ float a = temp;
+
+ //Convert to a C String
+ sprintf(adcIn_str, "%5.3f", u );
+ sprintf(pres_str, "%4.2f", b);
+ sprintf(temp_str, "%3.1f", a);
+
+ //Build the C++ string response
+ response += HTTP_TIME;
+ response += realtime;
+ response += HTTP_MESSAGE_BODY1;
+ response += adcIn_str;
+ response += HTTP_Temperature1;
+ response += temp_str;
+ response += HTTP_Temperature2;
+ response += HTTP_Pressure1;
+ response += pres_str;
+ response += HTTP_Pressure2;
+ response += HTTP_MESSAGE_TIME;
+ response += HTTP_MESSAGE_BODY2;
+ //Send static HTML response (as a C string)
+ clt_sock.send(response.c_str(), response.size()+6);
+ Net.unlock();
+ Thread::signal_wait(SIG_NET);
+ }
+}