Revision 1:788d545c9cd1, committed 2013-10-18

Comitter:

airaylee

Date:

Fri Oct 18 15:02:42 2013 +0000

Parent:

0:e26dfd507000

Commit message:

Second Version

Changed in this revision

diff -r e26dfd507000 -r 788d545c9cd1 main.cpp
--- a/main.cpp	Thu Oct 17 23:59:17 2013 +0000
+++ b/main.cpp	Fri Oct 18 15:02:42 2013 +0000
@@ -5,6 +5,7 @@
 #include "EthernetInterface.h"
 
 //SPI-mosi,miso,sclk,DigitalOut-cs, name used to access the filesystem 
+//For further update
 SDFileSystem sd(p5, p6, p7, p8, "sd1"); 
 
 //Terminal Port to display the file back
@@ -19,64 +20,42 @@
 
 int main() {
     
-    /*FILE *fw = fopen("/sd1/mydir/sdtest.txt", "w");
-    if(fw == NULL) {
-        pc.printf("Could not open file for write\n");
-    }
-    else{
-        fprintf(fw, "Hello SD file World!LOLOLOL\n");
-        fclose(fw); 
-    }
-    //Begin reading from the SD file
-    pc.printf("Begin reading from the SD file\n");
-    FILE *fr = fopen("/sd1/mydir/sdtest.txt", "r");
-    if(fr== NULL) {
-        pc.printf("Could not open file for read\n");
-    }
-    else{
-        while(!feof(fr)){
-            pc.putc(fgetc(fr));
-        }
-        fclose(fr);
-    }
-    */
-    
     // Speed things up a bit.
     sensor.setOTPReload(false);
     sensor.setResolution(true);
-
+    
     eth.init(); //Use DHCP
     eth.connect(7000);//Longer timeout here
     //print out the MAC address first
     printf("MAC Address is %s\r\n", eth.getMACAddress());
     printf("IP Address is %s\r\n", eth.getIPAddress());
     //IP address is 130.207.234.205
-     
-    
+    // Declare the TCP server 
     TCPSocketServer server;
     server.bind(ECHO_SERVER_PORT);
     server.listen();
     
     while(1) {
         printf("\nWait for new connection...\r\n");
-        TCPSocketConnection client;
+        TCPSocketConnection client; //wait for a TCP connection
         server.accept(client);
-        client.set_blocking(false); // Timeout after (5)s
+        client.set_blocking(false); // Non-blocking
         
         printf("Connection from: %s\r\n", client.get_address());
-        
+        //Update the sensor
         busy = true;
         sensor.update();
         busy = false;
+        //Initialize the buffer to send
         char buffer[256]={0};
         
-        // Temperature in celcius
+        // Temperature in celcius and Humidity in percent
         sensor.setScale(false);
         sprintf(buffer,"Temperature [ %3.2f C ]\r\nHumdity     [ %3.2f %% ]\r\n\n", sensor.getTemperature(), sensor.getHumidity());
-        
+        //Send the data
         int n = sizeof(buffer);
         client.send_all(buffer, n);
-        
+        //close the connection and wait for new connection
         client.close();
         printf(" Connection over\r\n");