FRDM-K64F Code Share / Mbed 2 deprecated HomeAutomation

We can handle lights in differents rooms and the air conditioner with our cellphone. We can also switch between two operation modes (manual and automatic). In automatic mode, garden lights and air conditioner will be activated when necessary.

Dependencies:   mbed

main.cpp@1:21ff089ca074, 2014-08-06 (annotated)

Committer:
mdelloso
Date:
Wed Aug 06 17:27:56 2014 +0000
Revision:
1:21ff089ca074
Parent:
0:bdebfb736149 
starting

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mdelloso 0:bdebfb736149 1 #include "mbed.h"
mdelloso 0:bdebfb736149 2
mdelloso 0:bdebfb736149 3 Serial blue(D1,D0); //(TX,DX)
mdelloso 0:bdebfb736149 4 Serial PC(USBTX, USBRX); // Used to debug
mdelloso 0:bdebfb736149 5 Ticker timer;
mdelloso 0:bdebfb736149 6
mdelloso 0:bdebfb736149 7 //Home lights
mdelloso 0:bdebfb736149 8 DigitalOut ledBedroom(D9);
mdelloso 0:bdebfb736149 9 DigitalOut ledLiving(D10);
mdelloso 0:bdebfb736149 10 DigitalOut ledGarden(D11);
mdelloso 0:bdebfb736149 11
mdelloso 0:bdebfb736149 12 //
mdelloso 0:bdebfb736149 13 DigitalOut fan(D12);
mdelloso 0:bdebfb736149 14
mdelloso 0:bdebfb736149 15 //Sensors
mdelloso 0:bdebfb736149 16 AnalogIn temp(A0);
mdelloso 0:bdebfb736149 17 AnalogIn light(A1);
mdelloso 0:bdebfb736149 18
mdelloso 0:bdebfb736149 19 float tempRead,lightRead=0;
mdelloso 0:bdebfb736149 20 int flagBlue,flagTimer=0; //Interrupts flags
mdelloso 0:bdebfb736149 21 int manual=0; //to handle the ledGarden and the fan manually
mdelloso 0:bdebfb736149 22
mdelloso 0:bdebfb736149 23 char c;
mdelloso 0:bdebfb736149 24
mdelloso 0:bdebfb736149 25 void timerInterrupt()
mdelloso 0:bdebfb736149 26 {
mdelloso 0:bdebfb736149 27 flagTimer=1;
mdelloso 0:bdebfb736149 28 }
mdelloso 0:bdebfb736149 29
mdelloso 0:bdebfb736149 30 void blueInterrupt()
mdelloso 0:bdebfb736149 31 {
mdelloso 0:bdebfb736149 32 c = blue.getc(); //receives the command
mdelloso 0:bdebfb736149 33 flagBlue=1;
mdelloso 0:bdebfb736149 34 }
mdelloso 0:bdebfb736149 35
mdelloso 0:bdebfb736149 36 int main()
mdelloso 0:bdebfb736149 37 {
mdelloso 0:bdebfb736149 38 //Bluetooth init
mdelloso 0:bdebfb736149 39 blue.baud(9600);
mdelloso 0:bdebfb736149 40 blue.attach(&blueInterrupt);
mdelloso 0:bdebfb736149 41 //Timer init
mdelloso 0:bdebfb736149 42 timer.attach(&timerInterrupt, 1.0); //time interval 1 sec
mdelloso 0:bdebfb736149 43 while (1) {
mdelloso 0:bdebfb736149 44 if (flagTimer) {
mdelloso 0:bdebfb736149 45 tempRead = temp.read() * 333.333; //value in celsius
mdelloso 0:bdebfb736149 46 lightRead=light.read(); //value between 0 - 1
mdelloso 0:bdebfb736149 47 if (manual==0) { //automatic mode
mdelloso 0:bdebfb736149 48 if (lightRead<0.2)
mdelloso 1:21ff089ca074 49 ledGarden=1; //The ledGarden turns on at night
mdelloso 0:bdebfb736149 50 else
mdelloso 1:21ff089ca074 51 ledGarden=0; //The ledGarden turns off during the day
mdelloso 0:bdebfb736149 52 if (tempRead>30)
mdelloso 1:21ff089ca074 53 fan=1; //The fan turns on if it's hot
mdelloso 0:bdebfb736149 54 else
mdelloso 0:bdebfb736149 55 fan=0;
mdelloso 0:bdebfb736149 56 }
mdelloso 0:bdebfb736149 57 flagTimer=0; //clear flag
mdelloso 0:bdebfb736149 58 } //End flagTimer
mdelloso 0:bdebfb736149 59
mdelloso 0:bdebfb736149 60 if (flagBlue) {
mdelloso 0:bdebfb736149 61 switch(c) {
mdelloso 0:bdebfb736149 62 case 'b': //bedroom
mdelloso 0:bdebfb736149 63 ledBedroom=!ledBedroom;
mdelloso 0:bdebfb736149 64 break;
mdelloso 0:bdebfb736149 65 case 'l': //living room
mdelloso 0:bdebfb736149 66 ledLiving=!ledLiving;
mdelloso 0:bdebfb736149 67 break;
mdelloso 0:bdebfb736149 68 case 'g': //garden
mdelloso 0:bdebfb736149 69 ledGarden = !ledGarden;
mdelloso 0:bdebfb736149 70 break;
mdelloso 0:bdebfb736149 71 case 'f': //fan
mdelloso 0:bdebfb736149 72 fan=!fan;
mdelloso 0:bdebfb736149 73 break;
mdelloso 0:bdebfb736149 74 case 'm': //to activate manual/automatic mode
mdelloso 0:bdebfb736149 75 if(manual)
mdelloso 0:bdebfb736149 76 manual=0; //automatic mode
mdelloso 0:bdebfb736149 77 else
mdelloso 0:bdebfb736149 78 manual=1; //manual mode
mdelloso 0:bdebfb736149 79 break;
mdelloso 0:bdebfb736149 80 default:
mdelloso 0:bdebfb736149 81 break;
mdelloso 0:bdebfb736149 82 }
mdelloso 0:bdebfb736149 83 flagBlue=0;
mdelloso 0:bdebfb736149 84 } //End flagBlue
mdelloso 0:bdebfb736149 85
mdelloso 0:bdebfb736149 86 __wfi(); //waiting for interrupt
mdelloso 0:bdebfb736149 87 }
mdelloso 0:bdebfb736149 88 }