Liam Grazier
/
Final351CW_FINAL
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of
0NicksCoursework_copywithserialtime
by 
Liam Grazier
Embed:
(wiki syntax)
Show/hide line numbers
network.cpp
00001 /* ELEC351 COURSEWORK 2018 00002 DESIGNED USING MBED ONLINE COMPILER IMPORTED TO KEIL 00003 LIAM GRAZIER // DOUG TILLEY // ALEX BARON 00004 */ 00005 #if !FEATURE_LWIP 00006 #error [NOT_SUPPORTED] LWIP not supported for this target 00007 #endif 00008 #include "mbed.h" 00009 #include "EthernetInterface.h" 00010 #include "TCPServer.h" 00011 #include "TCPSocket.h" 00012 char realtime[32]; //char for storing the RTC 00013 #include <iostream> 00014 #include <string> 00015 #include "BMP280.h" 00016 #include "components.hpp" 00017 #include "network.hpp" 00018 Mutex Net; //mutex lock for the network. 00019 #define HTTP_STATUS_LINE "HTTP/1.0 200 OK" 00020 #define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8" 00021 #define HTTP_MESSAGE_BODY1 "" \ 00022 "<html>" "\r\n" \ 00023 " <body style=\"display:flex;text-align:center\">" "\r\n" \ 00024 " <div style=\"margin:auto\">" "\r\n" \ 00025 " <h1>Sensor Data</h1>" "\r\n" \ 00026 " <p>Light Level LDR value: " "\r\n" 00027 00028 #define HTTP_Pressure1 "" \ 00029 "<html>" "\r\n" \ 00030 " <body style=\"display:flex;text-align:center\">" "\r\n" \ 00031 " <div style=\"margin:auto\">" "\r\n" \ 00032 " <h1> </h1>" "\r\n" \ 00033 " <p>Pressure(mbar): " "\r\n" 00034 00035 #define HTTP_Pressure2 "" \ 00036 "</p>" "\r\n" \ 00037 " </div>" "\r\n" \ 00038 " </body>" "\r\n" \ 00039 "</html>" 00040 #define HTTP_TIME "" \ 00041 "<html>" "\r\n" \ 00042 " <body style=\"display:flex;text-align:center\">" "\r\n" \ 00043 " <div style=\"margin:auto\">" "\r\n" \ 00044 " <h1> </h1>" "\r\n" \ 00045 " <p>Time: " "\r\n" 00046 00047 #define HTTP_Temperature1 "" \ 00048 "<html>" "\r\n" \ 00049 " <body style=\"display:flex;text-align:center\">" "\r\n" \ 00050 " <div style=\"margin:auto\">" "\r\n" \ 00051 " <h1> </h1>" "\r\n" \ 00052 " <p>Temperature(Degrees Celcius): " "\r\n" 00053 00054 #define HTTP_Temperature2 "" \ 00055 "</p>" "\r\n" \ 00056 " </div>" "\r\n" \ 00057 " </body>" "\r\n" \ 00058 "</html>" 00059 #define HTTP_MESSAGE_TIME "" \ 00060 "</p>" "\r\n" \ 00061 " </div>" "\r\n" \ 00062 " </body>" "\r\n" \ 00063 "</html>" 00064 #define HTTP_MESSAGE_BODY2 "" \ 00065 "</p>" "\r\n" \ 00066 " </div>" "\r\n" \ 00067 " </body>" "\r\n" \ 00068 "</html>" 00069 00070 00071 #define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n" \ 00072 HTTP_HEADER_FIELDS "\r\n" \ 00073 "\r\n" \ 00074 HTTP_MESSAGE_BODY "\r\n" 00075 00076 #define IP "10.0.0.10" //ipaddress 00077 #define NETMASK "255.0.0.0" //subnetmask 00078 #define GATEWAY "10.0.0.1" //defaultgateway 00079 void dispstralltime() //function for getting time from the RTC 00080 { 00081 time_t seconds = time(NULL); 00082 strftime(realtime, 32, "%c\n\r", localtime(&seconds)); //realtime value = yyyy/mm/dd/hh/mm/ss 00083 } 00084 void networksend(void) 00085 { 00086 // interrupt routine setup 00087 Net.lock(); 00088 printf("Network Enabled\n\r");//here to show the user in terminal network is initalised 00089 //Configure an ethernet connection 00090 EthernetInterface eth; 00091 eth.set_network(IP, NETMASK, GATEWAY); 00092 eth.connect(); 00093 Net.unlock(); 00094 //Now setup a web server 00095 TCPServer srv; //TCP/IP Server 00096 TCPSocket clt_sock; //Socket for communication 00097 SocketAddress clt_addr; //Address of incoming connection 00098 /* Open the server on ethernet stack */ 00099 srv.open(ð); 00100 /* Bind the HTTP port (TCP 80) to the server */ 00101 srv.bind(eth.get_ip_address(), 80); 00102 /* Can handle 5 simultaneous connections */ 00103 srv.listen(5); 00104 while (true) 00105 { 00106 Net.lock(); 00107 using namespace std; 00108 //Block and wait on an incoming connection 00109 srv.accept(&clt_sock, &clt_addr); 00110 //printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port()); 00111 double temp = sensor.getTemperature(); 00112 double pres = sensor.getPressure(); 00113 //Uses a C++ string to make it easier to concatinate 00114 string response; 00115 //Chars for storing the variables 00116 char adcIn_str[64]; 00117 char pres_str[64]; 00118 char temp_str[64]; 00119 dispstralltime(); //calltime 00120 //Read the LDR value 00121 //declairing floats for storing data 00122 float u = adcIn; 00123 float b = pres; 00124 float a = temp; 00125 //Converterting the floats to chars ready for print 00126 sprintf(adcIn_str, "%5.3f", u ); 00127 sprintf(pres_str, "%4.2f", b); 00128 sprintf(temp_str, "%3.1f", a); 00129 //Build the C++ string response 00130 response += HTTP_TIME; 00131 response += realtime; //write time 00132 response += HTTP_MESSAGE_BODY1; 00133 response += adcIn_str; //writeadc 00134 response += HTTP_Temperature1; 00135 response += temp_str; //writetemp 00136 response += HTTP_Temperature2; 00137 response += HTTP_Pressure1; 00138 response += pres_str; //writepressure 00139 response += HTTP_Pressure2; 00140 response += HTTP_MESSAGE_TIME; 00141 response += HTTP_MESSAGE_BODY2; 00142 //Send static HTML response (as a C string) 00143 clt_sock.send(response.c_str(), response.size()+6); 00144 Net.unlock(); 00145 Thread::signal_wait(SIG_NET);//thead signal triggered by ticket in main. 00146 } 00147 }
Generated on Sun Jul 17 2022 05:50:34 by
1.7.2