main.cpp

00001 /*
00002  * HTTP server for GSwifi
00003  *
00004  *   create the index.htm for LocalFileSystem.
00005  *   html access http://IP address/ , http://IP address/test/
00006  *
00007  *   CGI access http://IP address/cgi-bin/hoge?hage
00008  */
00009 
00010 #include "mbed.h"
00011 #include "GSwifi.h"
00012 
00013 #define PORT    80
00014 
00015 #define SECURE GSwifi::GSSEC_WPA_PSK
00016 #define SSID "SSID"
00017 #define PASS "PASSPHRASE"
00018 
00019 GSwifi gs(p13, p14, p20); // TX, RX, Reset (no flow control)
00020 //GSwifi gs(p13, p14, p12, P0_22, p20, NC, 115200); // TX, RX, CTS, RTS, Reset, Alarm
00021 
00022 LocalFileSystem local("local");
00023 Serial pc(USBTX, USBRX);
00024 DigitalOut led1(LED1), led2(LED2);
00025 
00026 
00027 void cgi (int cid, GSwifi::GS_httpd *gshttpd) {
00028     int i;
00029 
00030     led2 = 1;
00031     pc.printf("CGI %d: %s ? %s '%s' %d\r\n", cid, gshttpd->file, gshttpd->query, gshttpd->buf, gshttpd->len);
00032 
00033     gs.send(cid, "HTTP/1.1 200 OK\r\n", 17);
00034     gs.send(cid, "Content-type: text/plain\r\n", 26);
00035     gs.send(cid, "\r\n", 2);
00036 
00037     gs.send(cid, "REQUEST_METHOD: ", 16);
00038     if (gshttpd[cid].type == GSwifi::GSPROT_HTTPGET) {
00039         gs.send(cid, "GET\r\n", 5);
00040     } else {
00041         gs.send(cid, "POST\r\n", 6);
00042     }
00043     gs.send(cid, "SCRIPT_NAME: ", 13);
00044     gs.send(cid, gshttpd->file, strlen(gshttpd->file));
00045     gs.send(cid, "\r\n", 2);
00046     gs.send(cid, "QUERY_STRING: ", 14);
00047     gs.send(cid, gshttpd->query, strlen(gshttpd->query));
00048     gs.send(cid, "\r\n", 2);
00049     gs.send(cid, "POST_BODY: ", 11);
00050     gs.send(cid, gshttpd->buf, strlen(gshttpd->buf));
00051     gs.send(cid, "\r\n", 2);
00052 
00053 }
00054 
00055 int main () {
00056     IpAddr ipaddr, netmask, gateway, nameserver;
00057 
00058     led1 = 1;
00059     pc.baud(115200);
00060 
00061     pc.printf("connecting...\r\n");
00062     if (gs.connect(SECURE, SSID, PASS)) {
00063         return -1;
00064     }
00065     gs.getAddress(ipaddr, netmask, gateway, nameserver);
00066     pc.printf("ip %d.%d.%d.%d\r\n", ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
00067 
00068     led2 = 1;
00069     pc.printf("httpd\r\n");
00070     gs.httpd(PORT);
00071     gs.attach_httpd("/test/", "/local/");
00072     gs.attach_httpd("/cgi-bin/", &cgi);
00073     gs.attach_httpd("/", "/local/");
00074 
00075     for (;;) {
00076         gs.poll();
00077 
00078         wait_ms(50);
00079         led1 = !led1;
00080         led2 = 0;
00081     }
00082 }