Francisco Salle
something
Dependencies: BMP280 Task671-mbedos-FZ429-TCP-dynamic
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Task671-mbedos-FZ429-TCP-dynamic
by 
University of Plymouth - Stages 1, 2 and 3
Diff: net.h
- Revision:
- 2:f7c18fc24082
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/net.h Tue Jan 09 17:39:01 2018 +0000
@@ -0,0 +1,117 @@
+#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"
+#include "BMP280.h"
+#include <iostream>
+#include <string>
+
+#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>Hello World</h1>" "\r\n" \
+" <p>The LDR value is "
+#define HTTP_MESSAGE_BODY2 "" \
+ "</p>" "\r\n" \
+" <p1>The Temperature value is"
+#define HTTP_MESSAGE_BODY6 "" \
+ "</p1>" "\r\n" \
+" <p2>The Pressure value is "
+#define HTTP_MESSAGE_BODY4 "" \
+ "</p2>" "\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 "10.0.0.1"
+#define NETMASK "255.0.0.0"
+#define GATEWAY "10.0.0.1"
+
+BMP280 bmp(D14,D15,0x76);
+AnalogIn ldr(PA_0);
+
+
+int main()
+{
+ printf("Basic HTTP server example\n");
+
+ //Configure an ethernet connection
+ EthernetInterface eth;
+ eth.set_network(IP, NETMASK, GATEWAY);
+ eth.connect();
+ 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(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) {
+ 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());
+
+ //Uses a C++ string to make it easier to concatinate
+ string response;
+ //This is a C string
+ char ldr_str[64];
+
+ //Read the LDR value
+ float u = ldr;
+
+ //Convert to a C String
+ sprintf(ldr_str, "%5.3f", u );
+ printf("LDR: %5.3f\n\r", u);
+
+ string response1,response2;
+ float tempf = 52, pressuref = 713;
+ char data_temp[64] , data_press[64];
+ //tempf = bmp.getTemperature();
+ //pressuref = bmp.getPressure();
+ sprintf(data_temp, "%5.3f", tempf );
+ sprintf(data_press, "%5.3f", pressuref );
+
+
+
+ //Build the C++ string response
+ response = HTTP_MESSAGE_BODY1;
+ response += ldr_str;
+ response += HTTP_MESSAGE_BODY2;
+
+
+ response1 += data_temp;
+ response1 += HTTP_MESSAGE_BODY6;
+
+
+ response2 += data_press;
+ response2 += HTTP_MESSAGE_BODY4;
+
+
+ //Send static HTML response (as a C string)
+ clt_sock.send(response.c_str(), response.size()+6);
+ clt_sock.send(response1.c_str(), response1.size()+6);
+ clt_sock.send(response2.c_str(), response2.size()+6);
+ }
+}