Diff: main.cpp

Revision:

0:bdebfb736149

Child:

1:21ff089ca074

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Aug 06 15:56:10 2014 +0000
@@ -0,0 +1,88 @@
+#include "mbed.h"
+
+Serial blue(D1,D0);     //(TX,DX)
+Serial PC(USBTX, USBRX);    // Used to debug
+Ticker timer;
+
+//Home lights
+DigitalOut ledBedroom(D9);
+DigitalOut ledLiving(D10);
+DigitalOut ledGarden(D11);
+
+//
+DigitalOut fan(D12);    
+
+//Sensors
+AnalogIn temp(A0);
+AnalogIn light(A1);
+
+float tempRead,lightRead=0; 
+int flagBlue,flagTimer=0;   //Interrupts flags
+int manual=0;   //to handle the ledGarden and the fan manually
+
+char c;
+
+void timerInterrupt()
+{
+    flagTimer=1;
+}
+
+void blueInterrupt()
+{
+    c = blue.getc(); //receives the command
+    flagBlue=1;
+}
+
+int main()
+{
+    //Bluetooth init
+    blue.baud(9600);
+    blue.attach(&blueInterrupt);
+    //Timer init
+    timer.attach(&timerInterrupt, 1.0); //time interval 1 sec
+    while (1) {
+        if (flagTimer) {
+            tempRead = temp.read() * 333.333;   //value in celsius
+            lightRead=light.read(); //value between 0 - 1
+            if (manual==0) {    //automatic mode
+                if (lightRead<0.2)  
+                    ledGarden=1;    //The ledGarden turn on at night //VA S???
+                else
+                    ledGarden=0;    //Se prende de dia
+                if (tempRead>30)    
+                    fan=1;  //The fan turn on if it's hot
+                else
+                    fan=0;
+            }
+            flagTimer=0;    //clear flag
+        } //End flagTimer
+
+        if (flagBlue) {
+            switch(c) {
+                case 'b':   //bedroom
+                    ledBedroom=!ledBedroom;
+                    break;
+                case 'l':   //living room
+                    ledLiving=!ledLiving;
+                    break;
+                case 'g':   //garden
+                    ledGarden = !ledGarden;
+                    break;
+                case 'f':   //fan
+                    fan=!fan;
+                    break;
+                case 'm':   //to activate manual/automatic mode
+                    if(manual)
+                        manual=0;   //automatic mode
+                    else
+                        manual=1;   //manual mode
+                    break;
+                default:
+                    break;
+            }
+            flagBlue=0;
+        }   //End flagBlue
+
+        __wfi(); //waiting for interrupt 
+    }
+}
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