ziad eldebri / Mbed 2 deprecated pir_sensor

Expo2017_example

Dependencies:   mbed

main.cpp@0:493a823a2708, 2017-05-14 (annotated)

Committer:
ziadeldebri
Date:
Sun May 14 20:14:10 2017 +0000
Revision:
0:493a823a2708
Expo2017;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ziadeldebri 0:493a823a2708 1 #include "mbed.h"
ziadeldebri 0:493a823a2708 2
ziadeldebri 0:493a823a2708 3 DigitalOut led1(LED2);
ziadeldebri 0:493a823a2708 4 DigitalIn alarm(PTB0, PullNone); //internal pull up
ziadeldebri 0:493a823a2708 5 PwmOut buzzer(PTE31);
ziadeldebri 0:493a823a2708 6
ziadeldebri 0:493a823a2708 7
ziadeldebri 0:493a823a2708 8 float freq[] = {659,554,659,554,440,494,554,587,494,659,554,400};
ziadeldebri 0:493a823a2708 9 float beat[] = {1,1,1,1,1,0.5,0.5,1,1,1,1,2};
ziadeldebri 0:493a823a2708 10
ziadeldebri 0:493a823a2708 11 int main() {
ziadeldebri 0:493a823a2708 12 wait(2); //Wait for sensor to take snap shot of still room
ziadeldebri 0:493a823a2708 13
ziadeldebri 0:493a823a2708 14 while(1) {
ziadeldebri 0:493a823a2708 15 if (alarm){
ziadeldebri 0:493a823a2708 16 led1=0;
ziadeldebri 0:493a823a2708 17 for(int i = 0 ; i <= 4; i++){
ziadeldebri 0:493a823a2708 18 buzzer.period(1/(2*freq[i]));
ziadeldebri 0:493a823a2708 19 buzzer = 0.5;
ziadeldebri 0:493a823a2708 20 wait(0.4*beat[i]);
ziadeldebri 0:493a823a2708 21 }
ziadeldebri 0:493a823a2708 22 }
ziadeldebri 0:493a823a2708 23 else {
ziadeldebri 0:493a823a2708 24 led1=1;
ziadeldebri 0:493a823a2708 25 buzzer = 0;
ziadeldebri 0:493a823a2708 26 }
ziadeldebri 0:493a823a2708 27 wait(1);
ziadeldebri 0:493a823a2708 28 }
ziadeldebri 0:493a823a2708 29
ziadeldebri 0:493a823a2708 30 }