pmr_svr3.cpp

00001 #include "mbed.h"
00002 #include "EthernetNetIf.h"
00003 #include "HTTPServer.h"
00004 #include "NTPClient.h"
00005 
00006 DigitalOut led1(LED1, "led1");
00007 DigitalOut led2(LED2, "led2");
00008 DigitalOut led3(LED3, "led3");
00009 DigitalOut led4(LED4, "led4");
00010 
00011 AnalogIn Voltmeter (p20);
00012 
00013 LocalFileSystem fs("webfs");  // this could be any name
00014 
00015 EthernetNetIf eth;  
00016 HTTPServer svr;
00017 // NTPClient ntp;
00018 
00019 int updateVolts(void)
00020  {
00021     FILE *fp = fopen("/webfs/volts.htm", "w");  // Open local filename
00022     // it ignores path and date defaults 1/1/2008 becausse RTC not set
00023     // if I call ithe localfilesystem www rather than 'local' it writes and is seen when drive is refreshed
00024     fprintf(fp, "<title> Volt meter test page </title>\n");
00025     fprintf(fp,"<h1>Volts of the day from port 1</h1>");
00026     fprintf(fp, "volts %f V\r\n",Voltmeter.read());
00027     fclose(fp);
00028     return(0);
00029  }
00030 
00031 int loadTime(void)
00032  {
00033    time_t ctTime;
00034   ctTime = time(NULL);  
00035   printf("Current time is (UTC): %s\n\r", ctime(&ctTime));  
00036 
00037   Host server(IpAddr(192.168.1.4), 123, "0.uk.pool.ntp.org");  // fails here
00038   ntp.setTime(server);
00039     
00040   ctTime = time(NULL);  
00041   
00042   printf("Time is now (UTC): %s\n\r", ctime(&ctTime)); 
00043   return 0;
00044  }
00045 
00046 
00047 int main() {
00048 
00049     
00050   Base::add_rpc_class<DigitalOut>();
00051 
00052   printf("Setting up...\n");
00053   EthernetErr ethErr = eth.setup();
00054   if(ethErr)
00055   {
00056     printf("Error %d in setup.\n", ethErr);
00057     return -1;
00058   }
00059   printf("Setup OK\n");
00060   
00061 //  FSHandler::mount("/webfs", "/files"); //Mount /wwww path on /files web path  - this has no meaning
00062   FSHandler::mount("/webfs", "/"); //Mount /wwww path on web root path
00063  
00064   
00065 //  svr.addHandler<SimpleHandler>("/");  hard code for Hello world 
00066 svr.addHandler<RPCHandler>("/rpc");   // sets up the remote procedure call handler
00067 // svr.addHandler<FSHandler>("/files");//  this does not see the subdirectory
00068   svr.addHandler<FSHandler>("/"); //Default handler
00069   svr.bind(80);
00070   
00071   printf("Listening...\n\r");
00072   
00073   loadTime();  
00074   Timer tm;
00075   tm.start();
00076   updateVolts();
00077   //Listen indefinitely
00078   while(true)
00079   {
00080     Net::poll();
00081     if(tm.read()>2.0)
00082     {
00083       led1=!led1; //Show that we are alive
00084  // writing to this file continually updates the drive as attached as a usb drive to the host and generates errors  so not good
00085  // and even at 2 second interval the auto play continually brings up windows
00086   //   updateVolts();
00087       tm.start();
00088     }
00089   }
00090   
00091   return 0;
00092 
00093 }