serveur WEB sur carte SD pour TestBed , lit des tensions les met dans un fichier htm et l\'envoie . on peut agir sur les ES .
main.cpp
00001 // original Written by IVA2K modified LRSD 00002 // adapted to TestBed card for Electronik laden 00003 // Example of HTTPServer 00004 // * SNTP Client (Simple NTP) 00005 // * Link status indication (LED4 or RJ45 socket LED on MBED-BoB2-mod) 00006 // * Local file system 00007 // * SD-based WebServer , sd card 128meg only **.htm 8.3 00008 // * Static HTM page 00009 // * Dynamic HTM page a tester 00010 // LRSD evolution from pub-iva2k-ethsntp project 00011 // not so good but works. 00012 // Instructions: 00013 // 1 Plug ETH connector into your network (with a switch beetwen pc) 00014 // 3 Plug MBED tu pc using USB cable 00015 // 4 need to have Installed MBED serial driver (http://mbed.org/handbook/SerialPC) 00016 // 5 Copy compiled .bin to your MBED (make sure target device selected in the compiler is correct) 00017 // 6 Open terminal on the mbed serial port 00018 // 7 Push MBED reset button 00019 // 8 Terminal will display info message with mac address, followed by IP address 00020 // in the following items, i put 192.168.1.77 00021 // 9 Open browser and enter the following URL: http://192,168,1,77 !! ( sd card site) 00022 // 13 Open browser and enter the following URL: http://192.168.1.77/static.htm 00023 // 14 The browser will show static HTML page writen in defhtm.h 00024 // 16 if you clic on Led ( in browser) led5 from testbed light on ou off 00025 // led change , and the browser is redirected to static.htm 00026 00027 int aip4,aip3,aip2,aip1; 00028 int pon4,pon3,pon2,pon1; 00029 int gDebug=1; 00030 float ana = 1.0; 00031 float gWait = 0.05; // Main loop wait timeout 00032 00033 00034 #include "mbed.h" 00035 DigitalOut led5(p6, "led5"); // avant led.h 00036 #include "NewTextLCD.h" 00037 #include "SDFileSystem.h" 00038 #include "HTTPRPC.h" 00039 #include "HTTPServer.h" 00040 #include "HTTPFS.h" 00041 #include "HTTPStaticPage.h" 00042 #include "HTTPled.h" // 00043 #include "HTTPDynamicPage.h" 00044 #include "HTTPLinkStatus.h" 00045 #include "SNTPClient.h" 00046 #define CLS "\033[2J" 00047 00048 00049 #define MAX_DYNAMIC_CONTENT_LEN 2048 // a exploiter mieux 00050 char dynamic_content[MAX_DYNAMIC_CONTENT_LEN]; 00051 const char content_fmt[] = 00052 "<HTML>" 00053 "<HEAD>" 00054 "<title>Dynamic Page</title>" 00055 "</HEAD>" 00056 "<BODY>" // 00057 "<H1>Hello l'univers </H1>" // "<H1>Hello World</H1>" 00058 "<p>Page generated dynamically from code.</p>" 00059 "<p>URL=%s</p>" 00060 "<p>Header Fields=%s</p>" 00061 "</BODY></HTML>" 00062 ; 00063 // E/S sur la carte mbed 005.1 00064 DigitalOut led1(LED1, "led1"); // mbed 00065 DigitalOut led2(LED2, "led2"); 00066 DigitalOut led3(LED3, "led3"); 00067 DigitalOut led4(LED4, "led4"); 00068 // E/S hors carte mbed sur la carte TestBed 00069 DigitalIn sw1(p8, "sw1"); // testbed bt1 ( bt2 on sd card !!) 00070 //DigitalOut led5(p6, "led5"); 00071 DigitalOut led6(p5, "led6"); 00072 AnalogIn Potm(p15); //potentiometre carte testbed 00073 TextLCD lcd(p26, p25, p24, p23, p22, p20, p19, TextLCD::LCD20x4); // testbed LCD 00074 LocalFileSystem local("local"); 00075 SDFileSystem sd(p11, p12, p13, p14, "sd"); //test bed sd card 00076 00077 #include "myrpc.h" // ici on ecrit les pages web dans des tableaux 00078 myrpc le(p6, "le"); // fonction apelable par l'adresse 00079 00080 extern Ethernet eth; // eth is defined elsewhere, avoid compiler error. 00081 Serial pc(USBTX, USBRX); // usb sur Mbed l'autre sur testbed ?? 00082 00083 00084 HTTPStatus myDynamicPage(HTTPConnection *con, HTTPDynamicPageData *pd) { 00085 #if 0 00086 // Static example. With this, we don't really need HTTPStaticPage 00087 pd->size = 0; // let it measure our page 00088 pd->page = (char*)content; // Nothing dynamic about that yet, but we can now get loose here. 00089 pd->page_free = NULL; // No mem free() needed 00090 #elif 0 00091 // Dynamic example, static buffer 00092 pd->size = sprintf(dynamic_content, content_fmt, con->getURL(), con->getHeaderFields()); 00093 pd->page = (char*)dynamic_content; 00094 pd->page_free = NULL; // No mem free() needed 00095 if(pd->size > sizeof(dynamic_content)) printf("ASSERTION FAILED: %s:%d\r\n", __FILE__, __LINE__); // Buffer overrun 00096 #else 00097 // Dynamic example, dynamic buffer 00098 int size = sizeof(content_fmt) + 512; // Just guess how much the data will expand 00099 char *buf = (char *)malloc(size); 00100 if (buf) { 00101 pd->size = sprintf(buf, content_fmt, con->getURL(), con->getHeaderFields()); 00102 pd->page = buf; 00103 pd->page_free = &free; // Use free() when done 00104 if(pd->size > size) printf("ASSERTION FAILED: %s:%d\r\n", __FILE__, __LINE__); // Buffer overrun 00105 #endif 00106 } 00107 return HTTP_OK; 00108 } 00109 //*******************************************MAIN*************************** 00110 //**************************************************************************** 00111 int main(void) 00112 { 00113 lcd.cls(); 00114 pc.baud(115200); 00115 lcd.printf("LRSD Webserverv2 \n"); 00116 printf("LRSD debout !!\n"); 00117 // initialisation de static.htm en ram local 00118 #include "defhtm.h" 00119 00120 00121 char mac[6]; 00122 bool use_sd = false; 00123 char res[10]= "1234000"; 00124 int pt = 0; // pointeur dans tab 128 c'est sur le * 00125 led1=1; led2=1; led3=1; led4=1; led5 = 0; //led off 00126 00127 // Start RTC 00128 time_t seconds = time(NULL); 00129 if (seconds == (unsigned)-1 || seconds == 0) { 00130 seconds = 1256729737; // Set RTC time to Wed, 28 Oct 2009 11:35:37 00131 set_time(seconds); 00132 printf("RTC initialized, start time %d seconds\r\n", seconds); 00133 } 00134 00135 led6 = sw1; 00136 if ( sw1 == 0 ) 00137 { aip4 = 172; aip3 = 20 ; aip2 = 140 ; aip1 = 49; //BT1 on > adresse de mon PC 00138 pon4= 172; pon3 = 20 ; pon2 = 0 ; pon1 = 254;} 00139 else 00140 { aip4 = 192; aip3 = 168 ; aip2 = 1 ; aip1 = 77; // si on ne touche pas BT1 adresse box 00141 pon4 = 192; pon3 = 168 ; pon2 = 1 ; pon1 = 0; } // si on ne touche pas BT1 adresse box 00142 lcd.locate(0,1); 00143 lcd.printf("IP:%hhu.%hhu.%hhu.%hhu\n", 00144 aip4, aip3, aip2, aip1); 00145 HTTPServer http("mbed", // static IP address and domain name. 00146 IPv4(aip4,aip3,aip2,aip1), // IPv4 is a helper function which allows to rtype ipaddresses direct 00147 IPv4(255,255,0,0), 00148 IPv4(pon4,pon3,pon2,pon1), 00149 IPv4(pon4,pon3,pon2,pon1), 00150 80); // port 80 souvent 00151 char *hostname = "mbed"; 00152 // HTTPServer http(hostname); // Use DHCP 00153 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. 00154 00155 eth.address(mac); 00156 pc.printf(CLS "\r\n\r\nHTTPServer \"%s\" started\r\nMAC %02X:%02X:%02X:%02X:%02X:%02X\r\n%s", 00157 hostname, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], 00158 gDebug?"Debug is ON\r\n":"" 00159 ); 00160 00161 Base::add_rpc_class<myrpc>(); 00162 led1=0; 00163 // Check if we can use SD card for the web server 00164 FILE *fp = fopen("/sd/index.htm", "r"); 00165 if (fp == NULL) { 00166 if (gDebug) printf("DEBUG: No SD card found or no index.htm file - using LocalFilesystem for WebServer.\r\n"); 00167 } else { 00168 use_sd = true; 00169 fclose(fp); 00170 if (gDebug) printf("DEBUG: Found SD card with index.htm file - using SD for WebServer.\r\n"); 00171 } 00172 00173 if (0 != SNTPReadIniFile("/sd/sntp.ini") ) 00174 SNTPReadIniFile("/local/sntp.ini"); 00175 SNTPWriteIniFile(stdout); 00176 00177 http.addHandler(new HTTPLinkStatus("/", 00178 #if MBED_BOB2 00179 p25, p26, // MBED-BoB2-mods 00180 #else 00181 LED3, LED4, 00182 #endif 00183 0.1, // ici ??? 00184 /*do_urlfile*/ true, /*do_link_printf*/ true, /*do_log_printf*/ false, 00185 /*log_file*/ ( (gDebug>1) ? (use_sd ? "/sd/httpd.log" : "/local/httpd.log") : NULL) 00186 )); // Should be the first handler to get a preview of all requests 00187 // fin du ici ?? 00188 00189 http.addHandler(new HTTPRPC());// on y trouve d'autres choses a faire 00190 led2=0; // 00191 00192 // Static/Dynamic pages must be installed before FileSystem on / 00193 http.addHandler(new HTTPStaticPage("/static.htm", tab, strlen(tab))); // ma page statique en ram 00194 // http.addHandler(new HTTPDynamicPage("/dynamic.htm", &myDynamicPage)); avant 00195 http.addHandler(new HTTPled("/led.htm", led , strlen(tab))); /// test 00196 http.addHandler(new HTTPFileSystemHandler("/", use_sd ? "/sd/" : "/local/")); 00197 led3=0; 00198 00199 // FIXME: BUG If eth is not plugged, http.bind() hangs! 00200 http.bind(); 00201 SNTPClientInit(); 00202 led4 = 0; 00203 // pc.printf("\r"); // Add linefeed for stupid Hyperterminal 00204 00205 while(1) { //BOUCLE POLL 00206 http.poll(); // Have to call this method at least every 250ms to let the http server run. 00207 wait(gWait); 00208 00209 ana = Potm.read(); // travail en temps reel like ( gWait) 00210 lcd.locate(0,2); //ligne 2 lcd 00211 ana = 3.2*ana; // mise au niveau 3v2 00212 lcd.printf("Value: %1.2f", ana); 00213 sprintf(res, "%f", ana); // met ana en chaine dans res[] 00214 pt = 127 ; //point dans l'affichage a faire 00215 tab[pt+0] = res[0]; // met 5 char de la chaine a dans static.htm 00216 tab[pt+1] = res[1]; 00217 tab[pt+2] = res[2]; 00218 tab[pt+3] = res[3]; 00219 tab[pt+4] = res[4]; 00220 00221 00222 } 00223 } 00224 00225 //END
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