webserver basé sur pub-iva2k project , fix IP adress , htm page in sdcard; for TESTBED card
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main.cpp
00001 // original Written by IVA2K 00002 // 00003 // Example of HTTPServer with additional features: 00004 // * SNTP Client (Simple NTP) 00005 // * Link status indication (LED4 or RJ45 socket LED on MBED-BoB2-mod) 00006 // * Local file system (create index.htm page on MBED!) 00007 // * SD-based WebServer 00008 // * ////RPC-able class (myrpc, allows remote function call that blinks LED1 N times) 00009 // * Static HTML page 00010 // * Dynamic HTML page 00011 // modification fron LRSD from the pub-iva2k-ethsntp project 00012 // i am not a specialist , stil bugs , but that works 00013 // Instructions: 00014 // 2 Plug ETH connector into your network(with a switch for direct pc, needs DHCP to get IP address and Internet connection) 00015 // 3 Plug MBED using USB cable 00016 // 4 need to have Installed MBED serial driver (http://mbed.org/handbook/SerialPC) 00017 // 5 Copy compiled .bin to your MBED (make sure target device selected in the compiler is correct) 00018 // 6 Open terminal on the mbed serial port 00019 // 7 Push MBED reset button 00020 // 8 Terminal will display info message with mac address, followed by IP address 00021 // in the following items, i put 192.168.1.77 line 144 : IPv4(192,168,1,77), 00022 // 9 Open browser and enter the following URL: 00023 // http://192,168,1,77 / 00024 // !! 00025 // 13 Open browser and enter the following URL: 00026 // http://192.168.1.77/static.htm 00027 // 14 The browser will show static HTML page 00028 // 15 Open browser and enter the following URL: 00029 // http://192,168,1,77/dynamic.htm 00030 // 16 The browser will show dynamic HTML page 00031 // 17 Create a simple index.htm page on the MBED 00032 // 18 Open browser and enter the following URL: 00033 // http://192,168,1,77 00034 // 19 The browser will show index HTM page not HTML! ( 3 char extension , no directorie) 00035 // 20 Create a simple index.htm page on a micro SD card, plug the card into MBED-BoB2 00036 // 22 The browser will show index HTM page from SD card 00037 // 23 Optionally, create file "sntp.ini" on MBED or SD card. Copy-paste SNTP configuration from the terminal into this file and modify to your needs. 00038 // 00039 00040 #include "mbed.h" 00041 #include "SDFileSystem.h" 00042 #include "HTTPServer.h" 00043 #include "HTTPRPC.h" 00044 #include "HTTPFS.h" 00045 #include "HTTPStaticPage.h" 00046 #include "HTTPDynamicPage.h" 00047 #include "HTTPLinkStatus.h" 00048 #include "SNTPClient.h" 00049 00050 #define CLS "\033[2J" 00051 00052 const char content[] = 00053 "<HTML>" 00054 "<HEAD>" 00055 "<title>Static Page</title>" 00056 "</HEAD>" 00057 "<BODY>" 00058 "<H1>Hello World</H1>" 00059 "<p>Page generated statically from code.</p>" 00060 "</BODY></HTML>" 00061 ; 00062 00063 #define MAX_DYNAMIC_CONTENT_LEN 2048 00064 char dynamic_content[MAX_DYNAMIC_CONTENT_LEN]; 00065 00066 const char content_fmt[] = 00067 "<HTML>" 00068 "<HEAD>" 00069 "<title>Dynamic Page</title>" 00070 "</HEAD>" 00071 "<BODY>" 00072 "<H1>Hello World</H1>" 00073 "<p>Page generated dynamically from code.</p>" 00074 "<p>URL=%s</p>" 00075 "<p>Header Fields=%s</p>" 00076 "</BODY></HTML>" 00077 ; 00078 00079 DigitalOut led1(LED1, "led1"); 00080 DigitalOut led2(LED2, "led2"); 00081 DigitalOut led3(LED3, "led3"); 00082 DigitalOut led4(LED4, "led4"); 00083 DigitalIn sw1(p9, "sw1"); 00084 DigitalIn sw2(p10, "sw2"); 00085 LocalFileSystem local("local"); 00086 SDFileSystem sd(p11, p12, p13, p14, "sd"); // MBED-BoB2 00087 00088 #include "myrpc.h" 00089 myrpc myrpc1(LED1, "myrpc1"); 00090 00091 extern Ethernet eth; // eth is defined elsewhere, avoid compiler error. 00092 Serial pc(USBTX, USBRX); 00093 int gDebug=1; 00094 float gWait = 0.005; // Main loop wait timeout 00095 00096 HTTPStatus myDynamicPage(HTTPConnection *con, HTTPDynamicPageData *pd) { 00097 #if 0 00098 // Static example. With this, we don't really need HTTPStaticPage 00099 pd->size = 0; // let it measure our page 00100 pd->page = (char*)content; // Nothing dynamic about that yet, but we can now get loose here. 00101 pd->page_free = NULL; // No mem free() needed 00102 #elif 0 00103 // Dynamic example, static buffer 00104 pd->size = sprintf(dynamic_content, content_fmt, con->getURL(), con->getHeaderFields()); 00105 pd->page = (char*)dynamic_content; 00106 pd->page_free = NULL; // No mem free() needed 00107 if(pd->size > sizeof(dynamic_content)) printf("ASSERTION FAILED: %s:%d\r\n", __FILE__, __LINE__); // Buffer overrun 00108 #else 00109 // Dynamic example, dynamic buffer 00110 int size = sizeof(content_fmt) + 512; // Just guess how much the data will expand 00111 char *buf = (char *)malloc(size); 00112 if (buf) { 00113 pd->size = sprintf(buf, content_fmt, con->getURL(), con->getHeaderFields()); 00114 pd->page = buf; 00115 pd->page_free = &free; // Use free() when done 00116 if(pd->size > size) printf("ASSERTION FAILED: %s:%d\r\n", __FILE__, __LINE__); // Buffer overrun 00117 #endif 00118 } 00119 return HTTP_OK; 00120 } 00121 00122 int main(void) { 00123 pc.baud(115200); 00124 printf("Aum Sri Ganeshay Namh !!\n"); 00125 00126 char mac[6]; 00127 int sw1_old=0, sw2_old=0; 00128 bool use_sd = false; 00129 00130 led1=1; 00131 led2=1; 00132 led3=1; 00133 led4=1; 00134 00135 // Start RTC 00136 time_t seconds = time(NULL); 00137 if (seconds == (unsigned)-1 || seconds == 0) { 00138 seconds = 1256729737; // Set RTC time to Wed, 28 Oct 2009 11:35:37 00139 set_time(seconds); 00140 printf("RTC initialized, start time %d seconds\r\n", seconds); 00141 } 00142 HTTPServer http("mbed", // Brings up the device with static IP address and domain name. 00143 IPv4(192,168,1,77), // IPv4 is a helper function which allows to rtype ipaddresses direct 00144 IPv4(255,255,0,0), // as numbers in C++. 00145 IPv4(192,168,1,0), // the device address is set to 192.168.0.44, netmask 255.255.255.0 00146 IPv4(192,168,1,0), // default gateway is 192.168.0.1 and dns to 192.168.0.1 as well. 00147 80); // And port is on 8080. Default port is 80. 00148 char *hostname = "mbed"; 00149 // HTTPServer http(hostname); // Use DHCP 00150 http.timeout(10000); // Sets the timout for a HTTP request. The timout is the time which is allowed to spent between two incomming TCP packets. If the time is passed the connection will be closed. 00151 00152 eth.address(mac); 00153 pc.printf(CLS "\r\n\r\nHTTPServer \"%s\" started\r\nMAC %02X:%02X:%02X:%02X:%02X:%02X\r\n%s", 00154 hostname, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], 00155 gDebug?"Debug is ON\r\n":"" 00156 ); 00157 00158 Base::add_rpc_class<AnalogIn>(); 00159 Base::add_rpc_class<AnalogOut>(); 00160 Base::add_rpc_class<DigitalIn>(); 00161 Base::add_rpc_class<DigitalOut>(); 00162 Base::add_rpc_class<PwmOut>(); 00163 Base::add_rpc_class<Timer>(); 00164 Base::add_rpc_class<SPI>(); 00165 Base::add_rpc_class<BusOut>(); 00166 Base::add_rpc_class<BusIn>(); 00167 Base::add_rpc_class<myrpc>(); 00168 led1=0; 00169 00170 // Check if we can use SD card for the web server 00171 FILE *fp = fopen("/sd/index.htm", "r"); 00172 if (fp == NULL) { 00173 if (gDebug) printf("DEBUG: No SD card found or no index.htm file - using LocalFilesystem for WebServer.\r\n"); 00174 } else { 00175 use_sd = true; 00176 fclose(fp); 00177 if (gDebug) printf("DEBUG: Found SD card with index.htm file - using SD for WebServer.\r\n"); 00178 } 00179 00180 if (0 != SNTPReadIniFile("/sd/sntp.ini") ) 00181 SNTPReadIniFile("/local/sntp.ini"); 00182 SNTPWriteIniFile(stdout); 00183 00184 00185 http.addHandler(new HTTPLinkStatus("/", 00186 #if MBED_BOB2 00187 p25, p26, // MBED-BoB2-mods 00188 #else 00189 LED3, LED4, 00190 #endif 00191 0.1, 00192 /*do_urlfile*/ true, /*do_link_printf*/ true, /*do_log_printf*/ false, 00193 /*log_file*/ ( (gDebug>1) ? (use_sd ? "/sd/httpd.log" : "/local/httpd.log") : NULL) 00194 )); // Should be the first handler to get a preview of all requests 00195 http.addHandler(new HTTPRPC()); 00196 led2=0; 00197 00198 // Static/Dynamic pages must be installed before FileSystem on / 00199 http.addHandler(new HTTPStaticPage("/static.htm", content, strlen(content))); 00200 http.addHandler(new HTTPDynamicPage("/dynamic.htm", &myDynamicPage)); 00201 http.addHandler(new HTTPFileSystemHandler("/", use_sd ? "/sd/" : "/local/")); 00202 led3=0; 00203 00204 // FIXME: BUG If eth is not plugged, http.bind() hangs! 00205 http.bind(); 00206 00207 SNTPClientInit(); 00208 led4 = 0; 00209 00210 pc.printf("\r"); // Add linefeed for stupid Hyperterminal 00211 while(1) { 00212 http.poll(); // Have to call this method at least every 250ms to let the http server run. 00213 if (sw1 & !sw1_old) { 00214 printf("SW1\r\n"); 00215 } 00216 if (sw2 && !sw2_old) { 00217 printf(CLS "SW2\r\n"); 00218 } 00219 sw1_old = sw1; 00220 sw2_old = sw2; 00221 wait(gWait); 00222 } 00223 } 00224 00225 //END
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