Revision 1:f475551471a5, committed 2018-03-19

Comitter:

natschwa

Date:

Mon Mar 19 17:24:25 2018 +0000

Parent:

0:c3b88e0b90bf

Commit message:

Finished

Changed in this revision

--- a/main.cpp	Sun Mar 04 23:03:00 2018 +0000
+++ b/main.cpp	Mon Mar 19 17:24:25 2018 +0000
@@ -1,92 +1,107 @@
+//Home_System
+
 #include "mbed.h"
 
-Timeout response;
+#define RX_  PTC14
+#define TX_  PTC15
+
+Timeout response; // Timer
 
-DigitalOut green(LED_GREEN);
-DigitalOut red(LED_RED);
+//Delay declared in seconds
+/*GPIO declaration*/
+DigitalOut Green(LED_GREEN);
+DigitalOut Red(LED_RED);
+DigitalOut Blue(LED_BLUE);
+
 DigitalIn  sw2(SW2);
 DigitalIn  motion(D7);
-Serial pc(USBTX, USBRX );
 
-Serial blue(PTC15, PTC14); //tx, rx
+Serial BlueTooth(TX_, RX_);  // bluetooth serial port
+Serial pc(USBTX, USBRX ); // USB serial port
 
-void Alert() {
+void Alert() { // Timer call back function
     printf("TimeOut\n\r");
-    green = 1;
-    red = 0;
-    int run = 1000;
+    Blue = 1;
+    Green = 1;
+    Red = 0;
+    int run = 5000;
     while(run--){
-        blue.putc('F');
+        BlueTooth.putc('F'); // send alert to slave
     }
     printf("Alert Sent\n\r");
-/*    
+   
     run = 100;
     while(run--){
-        blue.putc('G');
+        BlueTooth.putc('G'); // send alarm timeout to slave
     }
-    printf("Turned off\n\r");
-*/
+    printf("Alert Timeout\n\r");
+    
 }
 
 
 int main()
 {
-    int i = 0;
-    //char r[5] = {'a'};
     char send = 'Z';
     char hold = 'a';
     char correct = 'C';
     
+    /*LedsOFF (active low)*/
+    Red = 1;
+    Green = 1;
+    Blue = 1;
+    
     pc.baud(9600);
-    blue.baud(9600);
+    BlueTooth.baud(9600);
     printf("Master Connecting to Slave:\n\r");
     
     while (send!='R') {
       
-        blue.putc(send);
+        BlueTooth.putc(send);
         wait(0.5f); // wait a small period of time       
 
-        if(blue.readable())
+        if(BlueTooth.readable()) // read data from the bluetooth serial port
         {
             while(hold!='X'){
-                hold = blue.getc();
+                hold = BlueTooth.getc(); 
             }
             if(hold=='X')
             {   
                 printf("Ack Recieved from Slave: Sytem Ready!\n\r");
+                Blue = 0;
+                Red = 1;
+                Green = 1;
                 send = 'R'; //System Ready
             } 
         }
         wait(0.5f); // wait a small period of time        
-        i++; // increment the variable
-        green = !green; // toggle a led
     }
     
-    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+  //  -----------------------------------------------------------------------------------------
     while(1)
     {
-        while(motion)
-        {   
+        while(motion) // detecting motion
+        {   Blue = 1;
             printf("Motion Detected\n\r");
             
-            if(sw2==1){
-                response.attach(&Alert, 2.0);
-                blue.putc('A');
-                green=0;
-                red = 0;
+            if(sw2==1){ // use has 2 second window to enter password after motion dection
+                response.attach(&Alert, 2.0); // set timer for 2 seconds
+                BlueTooth.putc('A'); // send alert to slave
+                // LED yellow
+                Green=0;
+                Red = 0;
             }
             else{
                 printf("Sw2 pressed\n\r");
-                response.detach();
-                printf("Correct Password\n\r");
-                int run = 1000;
+                response.detach(); // disable timer
+                printf("Correct Password\n\r"); 
+                int run = 1000; 
                 while(run--){
-                    blue.putc(correct);
-                    red = 1;
-                    green = 0;
+                    BlueTooth.putc(correct); // send correct password msg to slave
+                    Red = 1;
+                    Green = 0;
                 }
                 wait(3);
             }         
         }        
     }
-}
+}//end Main