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SiSK_HTTP
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Dependencies: EthernetInterface mbed-rtos mbed
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HTTP_SD_Server_K64F
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main.cpp
00001 #include "mbed.h" 00002 #include "EthernetInterface.h" 00003 00004 #include <stdio.h> 00005 #include <string.h> 00006 00007 #define HTTPD_SERVER_PORT 80 00008 #define HTTPD_MAX_REQ_LENGTH 1023 00009 #define HTTPD_MAX_HDR_LENGTH 2056 00010 00011 #define LED_R 26 00012 #define LED_G 22 00013 #define LED_B 21 00014 00015 00016 Serial uart(USBTX, USBRX); 00017 00018 00019 EthernetInterface eth; 00020 TCPSocketServer server; 00021 TCPSocketConnection client; 00022 00023 char buffer[HTTPD_MAX_REQ_LENGTH+1]; 00024 char httpHeader[HTTPD_MAX_HDR_LENGTH+1]; 00025 00026 char *uristr; 00027 char *eou; 00028 char *qrystr; 00029 00030 00031 int rdCnt; 00032 00033 char *first = "/first"; 00034 char *sec = "/second"; 00035 char *led = "/led"; 00036 char *ledr = "/led/r"; 00037 char *ledg = "/led/g"; 00038 char *ledb = "/led/b"; 00039 00040 DigitalOut ledR(LED1,1); 00041 DigitalOut ledG(LED2,1); 00042 DigitalOut ledB(LED3,1); 00043 00044 char led_stat = 0; 00045 void show_page(char* uri) 00046 { 00047 uart.printf("Trying to open requested uri\r\n"); 00048 uart.printf("%s\r\n",uri); 00049 char *lstchr_ptr = strrchr(uri, NULL) -1; //function try to find char which is non ascii (recently set to 0 so no ascii) 00050 if(!strcmp(uri, first)){ 00051 sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); 00052 client.send(httpHeader,strlen(httpHeader)); 00053 sprintf(httpHeader,"<html><head><title>First_one</title></head><body><h1>First page has been opened</h1></body></html>"); 00054 client.send(httpHeader,strlen(httpHeader)); 00055 } 00056 else if(!strcmp(uri, sec)){ 00057 sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); 00058 client.send(httpHeader,strlen(httpHeader)); 00059 sprintf(httpHeader,"<html><head><title>Seond_one</title></head><body><h1>Second page has been opened</h1></body></html>"); 00060 client.send(httpHeader,strlen(httpHeader)); 00061 } 00062 else if(!strcmp(uri, led)){ 00063 sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); 00064 client.send(httpHeader,strlen(httpHeader)); 00065 sprintf(httpHeader,"<html><head><title>LED</title></head><body> \n" 00066 "<button id='rb' onclick='hget(\"r\")'>RED</button><br/> \n" 00067 "<button id='gb' onclick='hget(\"g\")'>GREEN</button><br/> \n" 00068 "<button id='bb' onclick='hget(\"b\")'>BLUE</button><br/> \n" 00069 "<div id='ramka'>NAPIS</div><br/> \n" 00070 "</h1> \n" 00071 "</body>\n" 00072 "<script type='text/javascript'>\n" 00073 "function hget(val){ \n" 00074 " var x = new XMLHttpRequest(); \n" 00075 " x.onreadystatechange = function() { \n" 00076 " if (x.readyState == 4 && x.status == 200){ \n" 00077 " if(x.responseText=='r') document.body.style.backgroundColor='red';\n" 00078 " else if (x.responseText=='b') document.body.style.backgroundColor='blue';\n" 00079 " else if (x.responseText=='g') document.body.style.backgroundColor='green';\n" 00080 " else document.body.style.backgroundColor='white';}}\n" 00081 " x.open('GET', '/led/'+val, true);\n" 00082 " x.send(null);}\n" 00083 " </script>\n" 00084 "</html>"); 00085 client.send(httpHeader,strlen(httpHeader)); 00086 } 00087 else if(!strcmp(uri, ledr)){ 00088 led_stat ^= 1; 00089 ledR.write(!(led_stat&1)); 00090 if(led_stat & 1){ 00091 client.send("r",1); //+zapalic led 00092 } else { 00093 client.send("w",1); 00094 } 00095 //uart.printf("RED\n"); 00096 } 00097 else if(!strcmp(uri, ledg)){ 00098 led_stat ^= 2; 00099 ledG.write(led_stat&2); 00100 if(!(led_stat & 2)){ 00101 client.send("g",1); //+zapalic led 00102 } else { 00103 client.send("w",1); 00104 } 00105 //uart.printf("GREEN\n"); 00106 } 00107 else if(!strcmp(uri, ledb)){ 00108 led_stat ^= 4; 00109 ledB.write(!(led_stat&4)); 00110 if(led_stat & 4){ 00111 client.send("b",1); //+zapalic led 00112 } else { 00113 client.send("w",1); 00114 } 00115 //uart.printf("BLUE\n"); 00116 } 00117 else{ 00118 sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); 00119 client.send(httpHeader,strlen(httpHeader)); 00120 sprintf(httpHeader,"<html><head><title>ERROR</title></head><body><h1>THERE IS NO SUCH PAGE</h1></body></html>"); 00121 client.send(httpHeader,strlen(httpHeader)); 00122 } 00123 } 00124 00125 int main (void) 00126 { 00127 //ledR.write(1); 00128 //ledB.write(1); 00129 // Serial Interface eth; 00130 uart.baud(115200); 00131 uart.printf("Initializing\r\n"); 00132 00133 // EthernetInterface eth; 00134 uart.printf("Initializing Ethernet ...\r\n"); 00135 if(!eth.init("192.168.5.10", "255.255.255.0", "192.168.5.50")){//Init interface with static IP 00136 uart.printf("Ethernet interface configured properly\r\n"); 00137 } 00138 uart.printf("Setting interface UP ...\r\n"); 00139 eth.connect(); 00140 uart.printf("IP: %s\r\n", eth.getIPAddress()); 00141 uart.printf("Mask: %s\r\n", eth.getNetworkMask()); 00142 00143 // TCPSocketServer server; 00144 uart.printf("Starting TCP server at port: %d\r\n", HTTPD_SERVER_PORT); 00145 server.bind(HTTPD_SERVER_PORT); 00146 server.listen(); 00147 uart.printf("Server starts listening at port: %d\r\n", HTTPD_SERVER_PORT); 00148 00149 while (true) { 00150 uart.printf("\nWaiting for new connection...\r\n"); 00151 server.accept(client); 00152 client.set_blocking(false, 1500); // Timeout after (1.5)s 00153 00154 uart.printf("Client with IP %s has connected with server.\r\n", client.get_address()); 00155 while (true) { 00156 int n = client.receive(buffer, sizeof(buffer)); 00157 if (n <= 0) break; 00158 uart.printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer); 00159 if (n >= 1024) { 00160 sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); 00161 client.send(httpHeader,strlen(httpHeader)); 00162 client.send(buffer,n); 00163 break; 00164 } else { 00165 buffer[n]=0; 00166 } 00167 if (!strncmp(buffer, "GET ", 4)) { 00168 uristr = buffer + 4; 00169 eou = strstr(uristr, " "); 00170 if (eou == NULL) { 00171 sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); 00172 client.send(httpHeader,strlen(httpHeader)); 00173 client.send(buffer,n); 00174 } else { 00175 *eou = 0; 00176 show_page(uristr); 00177 } 00178 } 00179 } 00180 00181 client.close(); 00182 } 00183 }
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