Kenji Arai / Mbed OS DISCO-F769NI_several_example

Several examples run on only mbed-os5.13.0 (not 5.14.0)

Dependencies:   BD_SD_DISCO_F769NI BSP_DISCO_F769NI LCD_DISCO_F769NI TS_DISCO_F769NI USBHost_F769NI

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Show/hide line numbers 5_tcp_server.cpp Source File

5_tcp_server.cpp

00001 // Original
00002 //      https://os.mbed.com/teams/ST/code/mbed-os-tcp-server-example/
00003 //
00004 // Modified by K.Arai
00005 //      October   14th, 2019
00006 //
00007 
00008 #include "select_program.h"
00009 //#define EXAMPLE_5_TCP_SERVER
00010 #ifdef EXAMPLE_5_TCP_SERVER
00011 
00012 #if !FEATURE_LWIP
00013 #error [NOT_SUPPORTED] LWIP not supported for this target
00014 #endif
00015 
00016 #include "mbed.h"
00017 #include "EthernetInterface.h"
00018 #include "TCPServer.h"
00019 #include "TCPSocket.h"
00020 
00021 Serial pc(USBTX, USBRX, 115200);
00022 
00023 #define HTTP_STATUS_LINE "HTTP/1.0 200 OK"
00024 #define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8"
00025 #define HTTP_MESSAGE_BODY ""                                     \
00026 "<html>" "\r\n"                                                  \
00027 "  <body style=\"display:flex;text-align:center\">" "\r\n"       \
00028 "    <div style=\"margin:auto\">" "\r\n"                         \
00029 "      <h1>Hello World</h1>" "\r\n"                              \
00030 "      <p>It works !</p>" "\r\n"                                 \
00031 "    </div>" "\r\n"                                              \
00032 "  </body>" "\r\n"                                               \
00033 "</html>"
00034 
00035 #define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n"   \
00036                       HTTP_HEADER_FIELDS "\r\n" \
00037                       "\r\n"                    \
00038                       HTTP_MESSAGE_BODY "\r\n"
00039 
00040 int main()
00041 {
00042     pc.printf("\x1b[2J\x1b[H %s\r\n %s %s (UTC)\r\n",
00043               __FILE__, __DATE__, __TIME__);
00044     printf(" Basic HTTP server example for DISCO-F769NI:\r\n");
00045 
00046     EthernetInterface eth;
00047     eth.connect();
00048 
00049     printf("The target IP address is '%s'\r\n", eth.get_ip_address());
00050 
00051     TCPServer srv;
00052     TCPSocket clt_sock;
00053     SocketAddress clt_addr;
00054 
00055     /* Open the server on ethernet stack */
00056     srv.open(&eth);
00057 
00058     /* Bind the HTTP port (TCP 80) to the server */
00059     srv.bind(eth.get_ip_address(), 80);
00060 
00061     /* Can handle 5 simultaneous connections */
00062     srv.listen(5);
00063 
00064     while (true) {
00065         srv.accept(&clt_sock, &clt_addr);
00066         printf("accept %s:%d\r\n", clt_addr.get_ip_address(), clt_addr.get_port());
00067         clt_sock.send(HTTP_RESPONSE, strlen(HTTP_RESPONSE));
00068     }
00069 }
00070 
00071 #endif
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