main.cpp

00001 
00002 #include "mbed.h"
00003 #include "SHTx/sht15.hpp"
00004 #include "SDFileSystem.h"
00005 #include "EthernetInterface.h"
00006 
00007 //SPI-mosi,miso,sclk,DigitalOut-cs, name used to access the filesystem 
00008 //For further update
00009 SDFileSystem sd(p5, p6, p7, p8, "sd1"); 
00010 
00011 //Terminal Port to display the file back
00012 Serial pc(USBTX, USBRX);
00013 DigitalOut busy(LED1);
00014 
00015 // Use p28-sda--data,p27-scl--sck
00016 SHTx::SHT15 sensor(p28, p27);
00017 
00018 EthernetInterface eth;
00019 #define ECHO_SERVER_PORT   7
00020 
00021 int main() {
00022     
00023     // Speed things up a bit.
00024     sensor.setOTPReload(false);
00025     sensor.setResolution(true);
00026     
00027     eth.init(); //Use DHCP
00028     eth.connect(7000);//Longer timeout here
00029     //print out the MAC address first
00030     printf("MAC Address is %s\r\n", eth.getMACAddress());
00031     printf("IP Address is %s\r\n", eth.getIPAddress());
00032     //IP address is 130.207.234.205
00033     // Declare the TCP server 
00034     TCPSocketServer server;
00035     server.bind(ECHO_SERVER_PORT);
00036     server.listen();
00037     
00038     while(1) {
00039         printf("\nWait for new connection...\r\n");
00040         TCPSocketConnection client; //wait for a TCP connection
00041         server.accept(client);
00042         client.set_blocking(false); // Non-blocking
00043         
00044         printf("Connection from: %s\r\n", client.get_address());
00045         //Update the sensor
00046         busy = true;
00047         sensor.update();
00048         busy = false;
00049         //Initialize the buffer to send
00050         char buffer[256]={0};
00051         
00052         // Temperature in celcius and Humidity in percent
00053         sensor.setScale(false);
00054         sprintf(buffer,"Temperature [ %3.2f C ]\r\nHumdity     [ %3.2f %% ]\r\n\n", sensor.getTemperature(), sensor.getHumidity());
00055         //Send the data
00056         int n = sizeof(buffer);
00057         client.send_all(buffer, n);
00058         //close the connection and wait for new connection
00059         client.close();
00060         printf(" Connection over\r\n");
00061         
00062     }
00063 }