Formula 2019 DV
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mbed-os-tcp-server-tests
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main.cpp
00001 //#if !FEATURE_LWIP 00002 // #error [NOT_SUPPORTED] LWIP not supported for this target 00003 //#endif 00004 00005 // ref 00006 // https://os.mbed.com/questions/76794/How-to-set-Static-IP-address-with-Nucleo/ 00007 // https://os.mbed.com/docs/mbed-os/v5.11/apis/ethernet.html 00008 #include "mbed.h" 00009 #include "EthernetInterface.h" 00010 #include "TCPServer.h" 00011 #include "TCPSocket.h" 00012 00013 #define HTTP_STATUS_LINE "HTTP/1.0 200 OK" 00014 #define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8" 00015 #define HTTP_MESSAGE_BODY "" \ 00016 "<html>" "\r\n" \ 00017 " <body style=\"display:flex;text-align:center\">" "\r\n" \ 00018 " <div style=\"margin:auto\">" "\r\n" \ 00019 " <h1>Hello World</h1>" "\r\n" \ 00020 " <p>Finally It works !</p>" "\r\n" \ 00021 " </div>" "\r\n" \ 00022 " </body>" "\r\n" \ 00023 "</html>" 00024 00025 #define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n" \ 00026 HTTP_HEADER_FIELDS "\r\n" \ 00027 "\r\n" \ 00028 HTTP_MESSAGE_BODY "\r\n" 00029 00030 00031 Serial pc(SERIAL_TX, SERIAL_RX); 00032 int main() 00033 { 00034 pc.baud(57600); 00035 00036 pc.printf("Basic HTTP server example\r\n"); 00037 00038 EthernetInterface eth; 00039 eth.set_network("192.168.1.11","255.255.252.0","192.168.1.10"); 00040 //eth.set_network(IP_Adress,GATEWAY,MASK); 00041 eth.connect(); 00042 00043 pc.printf("The target IP address is '%s'\r\n", eth.get_ip_address()); 00044 00045 TCPServer srv; 00046 TCPSocket clt_sock; 00047 SocketAddress clt_addr; 00048 00049 /* Open the server on ethernet stack */ 00050 srv.open(ð); 00051 00052 /* Bind the HTTP port (TCP 22) to the server */ 00053 srv.bind(eth.get_ip_address(), 80); 00054 00055 /* Can handle 5 simultaneous connections */ 00056 srv.listen(5); 00057 00058 char buffer[300]; 00059 00060 while (true) { 00061 srv.accept(&clt_sock, &clt_addr); 00062 pc.printf("accept %s:%d\r\n", clt_addr.get_ip_address(), clt_addr.get_port()); 00063 clt_sock.send(HTTP_RESPONSE, strlen(HTTP_RESPONSE)); 00064 00065 // example to move messages between uart and tcp / ip socket 00066 while (0) { 00067 if (1) { 00068 while (pc.readable()) { 00069 char c = pc.getc(); // Read hyperterminal 00070 buffer[0] = c; 00071 clt_sock.send(buffer, 1); 00072 //echo 00073 pc.printf("%c", c); 00074 } 00075 } else { 00076 // blocking mode 00077 int recdata = clt_sock.recv(buffer,300); 00078 if (recdata >0 ){ 00079 buffer[recdata]=0; 00080 printf("%s %d\r\n", buffer, recdata); 00081 // echo 00082 buffer[recdata]=10; 00083 buffer[recdata+1]=13; 00084 clt_sock.send(buffer, recdata+2); 00085 } 00086 } 00087 } 00088 00089 } 00090 }
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