main.cpp

00001 #include "mbed.h"
00002 #include "EthernetInterface.h"
00003 #include "FsHandler.h"
00004 #include "HTTPServer.h"
00005 #include "SDFileSystem.h"
00006 #include "DHT.h"
00007 
00008 #ifdef TARGET_WIZWIKI_W7500
00009     //Choose one of file system.
00010     SDFileSystem local(SD_MOSI, SD_MISO, SD_CLK, SD_SEL, "local");//PB_3, PB_2, PB_1, PB_0
00011     //LocalFileSystem local("local");
00012 #endif
00013 
00014 #ifdef TARGET_WIZWIKI_W7500
00015     uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x00, 0x01, 0x02};
00016 #endif
00017 DHT sensor(D4, DHT11);
00018 DigitalIn Rain(D2);
00019 EthernetInterface eth;
00020 HTTPServer  svr;
00021 char ip_addr[] = "192.168.1.112";
00022 char subnet_mask[] = "255.255.255.0";
00023 char gateway_addr[] = "192.168.1.1";
00024 
00025 //#define DHCP //If uncomment, W7500 runs DHCP
00026 int Rain_value=1;
00027 int mode = 0;
00028 
00029 int main()
00030 {
00031     
00032     
00033     int error = 0;
00034     int h = 0, c = 0, Rain_value = 1;
00035     HTTPFsRequestHandler::mount("/local/", "/");
00036     svr.addHandler<HTTPFsRequestHandler>("/");
00037 
00038 #ifdef TARGET_WIZWIKI_W7500
00039     
00040     #ifdef DHCP
00041         eth.init(mac_addr); //Use DHCP
00042     #else
00043         eth.init(mac_addr, ip_addr, subnet_mask, gateway_addr); //Not Use DHCP
00044     #endif
00045 
00046 #else
00047 
00048     #ifdef DHCP
00049         eth.init(); //Use DHCP
00050     #else
00051         eth.init(ip_addr, subnet_mask, gateway_addr); //Not Use DHCP
00052     #endif
00053 
00054 #endif
00055 
00056     printf("Check Ethernet Link\r\n");
00057     while(1) //Wait link up
00058     {
00059         if(eth.link() == true) 
00060             break;
00061     }
00062     printf("Link up\r\n");
00063 
00064     eth.connect();
00065     printf("Server IP Address is %s\r\n", eth.getIPAddress());
00066 
00067     if (!svr.start(80, &eth)) {
00068 
00069         //error("Server not starting !");
00070         exit(0);
00071     }
00072 
00073     while(1) {
00074         svr.poll();
00075         Rain_value = Rain.read(); // read the rain value
00076         wait(0.2);
00077         error = sensor.readData();
00078         if (0 == error) {
00079             c   = sensor.ReadTemperature(CELCIUS);
00080             h   = sensor.ReadHumidity();
00081             printf("===============Smart window================\n\r");
00082             printf("Temperature in Celcius: %d\n",c);
00083             printf("Humidity : %d\n", h);
00084             printf("Rain value : %d\n", Rain_value);
00085             printf("Mode : %d\n", mode);
00086             printf("===========================================\n\r");
00087             
00088         } else {
00089             printf("Error: %d\n", error);
00090         }
00091         
00092         
00093         //////// open the window
00094         if((c>27 || h>50) && (mode == 0&&Rain_value==1)){
00095           // ((c>30 or h>50) and closed status)
00096             DigitalOut(D9,0);
00097             DigitalOut(D8,1);
00098             wait(0.87);
00099             DigitalOut(D9,0);
00100             DigitalOut(D8,0);
00101             mode = 1 ; // opened status
00102          
00103         }
00104         /////// close the window
00105         else if((c<20 && h<40) || (mode == 1&&Rain_value==0)){ // ((c<20 and h<40) and opened status)
00106             DigitalOut(D9,1);
00107             DigitalOut(D8,0);
00108             wait(0.8);
00109             DigitalOut(D9,0);
00110             DigitalOut(D8,0);
00111             mode = 0; //closed status
00112         }
00113         
00114          wait(1);  
00115     }   
00116 }