István Cserny / Mbed 2 deprecated Lab02_pwm_music

Playing PWM music //Borrowed from Rob Toulson and Tim Wilmshurst: ARM mbed Course Material - PWM //Link: https://developer.mbed.org/cookbook/Course-Notes

Dependencies:   mbed

Playing PWM music

Borrowed from Rob Toulson and Tim Wilmshurst: ARM mbed Course Material - PWM

Link: https://developer.mbed.org/cookbook/Course-Notes

main.cpp

Committer:
cspista
Date:
2021-10-13
Revision:
0:c805c9f396c1

File content as of revision 0:c805c9f396c1:

//Borrowed from Rob Toulson and Tim Wilmshurst: ARM mbed Course Material - PWM
//Link: https://developer.mbed.org/cookbook/Course-Notes
#include "mbed.h"

PwmOut buzzer(D3);
float frequency[]={659,554,659,554,550,494,554,587,494,659,554,440}; //frequency array
float beat[]={1,1,1,1,1,0.5,0.5,1,1,1,1,2};     //beat array

int main() {
    while (1) {
        for (int i=0; i<12; i++) {
            buzzer.period(1/(frequency[i]));    // set PWM period
            buzzer=0.5;                         // set duty cycle
            wait(0.5*beat[i]);                  // hold for beat period
        }
    }
}