Paul Record
Trial code integration web page update with analogue data and ntp support
Dependencies: NTPClient_NetServices mbed
pmr_svr3.cpp@0:8cc2035bebfc, 2010-08-06 (annotated)
- Committer:
- pmr1
- Date:
- Fri Aug 06 17:57:45 2010 +0000
- Revision:
- 0:8cc2035bebfc
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| pmr1 | 0:8cc2035bebfc | 1 | #include "mbed.h" |
| pmr1 | 0:8cc2035bebfc | 2 | #include "EthernetNetIf.h" |
| pmr1 | 0:8cc2035bebfc | 3 | #include "HTTPServer.h" |
| pmr1 | 0:8cc2035bebfc | 4 | #include "NTPClient.h" |
| pmr1 | 0:8cc2035bebfc | 5 | |
| pmr1 | 0:8cc2035bebfc | 6 | DigitalOut led1(LED1, "led1"); |
| pmr1 | 0:8cc2035bebfc | 7 | DigitalOut led2(LED2, "led2"); |
| pmr1 | 0:8cc2035bebfc | 8 | DigitalOut led3(LED3, "led3"); |
| pmr1 | 0:8cc2035bebfc | 9 | DigitalOut led4(LED4, "led4"); |
| pmr1 | 0:8cc2035bebfc | 10 | |
| pmr1 | 0:8cc2035bebfc | 11 | AnalogIn Voltmeter (p20); |
| pmr1 | 0:8cc2035bebfc | 12 | |
| pmr1 | 0:8cc2035bebfc | 13 | LocalFileSystem fs("webfs"); // this could be any name |
| pmr1 | 0:8cc2035bebfc | 14 | |
| pmr1 | 0:8cc2035bebfc | 15 | EthernetNetIf eth; |
| pmr1 | 0:8cc2035bebfc | 16 | HTTPServer svr; |
| pmr1 | 0:8cc2035bebfc | 17 | // NTPClient ntp; |
| pmr1 | 0:8cc2035bebfc | 18 | |
| pmr1 | 0:8cc2035bebfc | 19 | int updateVolts(void) |
| pmr1 | 0:8cc2035bebfc | 20 | { |
| pmr1 | 0:8cc2035bebfc | 21 | FILE *fp = fopen("/webfs/volts.htm", "w"); // Open local filename |
| pmr1 | 0:8cc2035bebfc | 22 | // it ignores path and date defaults 1/1/2008 becausse RTC not set |
| pmr1 | 0:8cc2035bebfc | 23 | // if I call ithe localfilesystem www rather than 'local' it writes and is seen when drive is refreshed |
| pmr1 | 0:8cc2035bebfc | 24 | fprintf(fp, "<title> Volt meter test page </title>\n"); |
| pmr1 | 0:8cc2035bebfc | 25 | fprintf(fp,"<h1>Volts of the day from port 1</h1>"); |
| pmr1 | 0:8cc2035bebfc | 26 | fprintf(fp, "volts %f V\r\n",Voltmeter.read()); |
| pmr1 | 0:8cc2035bebfc | 27 | fclose(fp); |
| pmr1 | 0:8cc2035bebfc | 28 | return(0); |
| pmr1 | 0:8cc2035bebfc | 29 | } |
| pmr1 | 0:8cc2035bebfc | 30 | |
| pmr1 | 0:8cc2035bebfc | 31 | int loadTime(void) |
| pmr1 | 0:8cc2035bebfc | 32 | { |
| pmr1 | 0:8cc2035bebfc | 33 | time_t ctTime; |
| pmr1 | 0:8cc2035bebfc | 34 | ctTime = time(NULL); |
| pmr1 | 0:8cc2035bebfc | 35 | printf("Current time is (UTC): %s\n\r", ctime(&ctTime)); |
| pmr1 | 0:8cc2035bebfc | 36 | |
| pmr1 | 0:8cc2035bebfc | 37 | Host server(IpAddr(192.168.1.4), 123, "0.uk.pool.ntp.org"); // fails here |
| pmr1 | 0:8cc2035bebfc | 38 | ntp.setTime(server); |
| pmr1 | 0:8cc2035bebfc | 39 | |
| pmr1 | 0:8cc2035bebfc | 40 | ctTime = time(NULL); |
| pmr1 | 0:8cc2035bebfc | 41 | |
| pmr1 | 0:8cc2035bebfc | 42 | printf("Time is now (UTC): %s\n\r", ctime(&ctTime)); |
| pmr1 | 0:8cc2035bebfc | 43 | return 0; |
| pmr1 | 0:8cc2035bebfc | 44 | } |
| pmr1 | 0:8cc2035bebfc | 45 | |
| pmr1 | 0:8cc2035bebfc | 46 | |
| pmr1 | 0:8cc2035bebfc | 47 | int main() { |
| pmr1 | 0:8cc2035bebfc | 48 | |
| pmr1 | 0:8cc2035bebfc | 49 | |
| pmr1 | 0:8cc2035bebfc | 50 | Base::add_rpc_class<DigitalOut>(); |
| pmr1 | 0:8cc2035bebfc | 51 | |
| pmr1 | 0:8cc2035bebfc | 52 | printf("Setting up...\n"); |
| pmr1 | 0:8cc2035bebfc | 53 | EthernetErr ethErr = eth.setup(); |
| pmr1 | 0:8cc2035bebfc | 54 | if(ethErr) |
| pmr1 | 0:8cc2035bebfc | 55 | { |
| pmr1 | 0:8cc2035bebfc | 56 | printf("Error %d in setup.\n", ethErr); |
| pmr1 | 0:8cc2035bebfc | 57 | return -1; |
| pmr1 | 0:8cc2035bebfc | 58 | } |
| pmr1 | 0:8cc2035bebfc | 59 | printf("Setup OK\n"); |
| pmr1 | 0:8cc2035bebfc | 60 | |
| pmr1 | 0:8cc2035bebfc | 61 | // FSHandler::mount("/webfs", "/files"); //Mount /wwww path on /files web path - this has no meaning |
| pmr1 | 0:8cc2035bebfc | 62 | FSHandler::mount("/webfs", "/"); //Mount /wwww path on web root path |
| pmr1 | 0:8cc2035bebfc | 63 | |
| pmr1 | 0:8cc2035bebfc | 64 | |
| pmr1 | 0:8cc2035bebfc | 65 | // svr.addHandler<SimpleHandler>("/"); hard code for Hello world |
| pmr1 | 0:8cc2035bebfc | 66 | svr.addHandler<RPCHandler>("/rpc"); // sets up the remote procedure call handler |
| pmr1 | 0:8cc2035bebfc | 67 | // svr.addHandler<FSHandler>("/files");// this does not see the subdirectory |
| pmr1 | 0:8cc2035bebfc | 68 | svr.addHandler<FSHandler>("/"); //Default handler |
| pmr1 | 0:8cc2035bebfc | 69 | svr.bind(80); |
| pmr1 | 0:8cc2035bebfc | 70 | |
| pmr1 | 0:8cc2035bebfc | 71 | printf("Listening...\n\r"); |
| pmr1 | 0:8cc2035bebfc | 72 | |
| pmr1 | 0:8cc2035bebfc | 73 | loadTime(); |
| pmr1 | 0:8cc2035bebfc | 74 | Timer tm; |
| pmr1 | 0:8cc2035bebfc | 75 | tm.start(); |
| pmr1 | 0:8cc2035bebfc | 76 | updateVolts(); |
| pmr1 | 0:8cc2035bebfc | 77 | //Listen indefinitely |
| pmr1 | 0:8cc2035bebfc | 78 | while(true) |
| pmr1 | 0:8cc2035bebfc | 79 | { |
| pmr1 | 0:8cc2035bebfc | 80 | Net::poll(); |
| pmr1 | 0:8cc2035bebfc | 81 | if(tm.read()>2.0) |
| pmr1 | 0:8cc2035bebfc | 82 | { |
| pmr1 | 0:8cc2035bebfc | 83 | led1=!led1; //Show that we are alive |
| pmr1 | 0:8cc2035bebfc | 84 | // writing to this file continually updates the drive as attached as a usb drive to the host and generates errors so not good |
| pmr1 | 0:8cc2035bebfc | 85 | // and even at 2 second interval the auto play continually brings up windows |
| pmr1 | 0:8cc2035bebfc | 86 | // updateVolts(); |
| pmr1 | 0:8cc2035bebfc | 87 | tm.start(); |
| pmr1 | 0:8cc2035bebfc | 88 | } |
| pmr1 | 0:8cc2035bebfc | 89 | } |
| pmr1 | 0:8cc2035bebfc | 90 | |
| pmr1 | 0:8cc2035bebfc | 91 | return 0; |
| pmr1 | 0:8cc2035bebfc | 92 | |
| pmr1 | 0:8cc2035bebfc | 93 | } |