main.cpp

00001 #include "mbed.h"
00002 #include "EthernetInterface.h"
00003 #include "HTTPServer.h"
00004 #include "mbed_rpc.h"
00005 #include "DHT.h"
00006  
00007 RpcDigitalOut led1(D9,"led1");
00008 RpcDigitalOut led2(D10,"led2");
00009 RpcDigitalOut led3(D11,"led3");
00010 
00011 //RPCVarialbe<float> RPCTemperature(&GetTemperature, "Temperature");
00012 //RPCVarialbe<float> RPCHumidity(&GetHumidity, "Humidity");
00013 void Get_Temp_and_Humidity(Arguments * input, Reply * output);
00014 
00015 RPCFunction Temp_and_Humidity_Finder(&Get_Temp_and_Humidity, "Temp_and_Humidity_Finder");
00016 
00017 EthernetInterface eth;  
00018 HTTPServer svr;
00019 
00020 DHT sensor(D4, DHT11);
00021 
00022 void Get_Temp_and_Humidity(Arguments * input, Reply *output){
00023     int error = 0;
00024     float h = 0.0f, c = 0.0f;
00025     char arg[100];
00026 
00027     error = sensor.readData();
00028     if (0 == error) {
00029         c   = sensor.ReadTemperature(CELCIUS);
00030         h   = sensor.ReadHumidity();
00031         sprintf(arg,"Temperature in Celcius: %4.2f, Humidity is %4.2f",c, h);
00032     
00033         output->putData(arg);
00034     }
00035 }
00036 
00037 int main() {
00038   //Turn the LEDs off
00039   uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x32, 0x23, 0x42}; 
00040   led1.write(0);
00041   led2.write(0);
00042   led3.write(0);
00043   
00044   RPC::add_rpc_class<RpcDigitalOut>();
00045 
00046   printf("Setting up...\n");
00047   eth.init(mac_addr);
00048   int ethErr = eth.connect();
00049   if(ethErr < 0)
00050   {
00051     printf("Error %d in setup.\n", ethErr);
00052     return -1;
00053   }
00054   svr.addHandler<HTTPRpcRequestHandler>("/rpc");
00055   
00056   //attach server to port 80
00057   printf("Listening...\n");
00058   svr.start(80, &eth);
00059     
00060   Timer tm;
00061   tm.start();
00062   //Listen indefinitely
00063   while(true)
00064   {
00065     svr.poll();
00066     if(tm.read()>.5)
00067     {
00068       tm.start();
00069     }
00070   }
00071 }