Yasushi TAUCHI / Mbed 2 deprecated Sound_DigitalOut

DigitalOutによる音だし

Dependencies:   mbed

main.cpp

Committer:
yueee_yt
Date:
2011-12-26
Revision:
0:e31efc30c819

File content as of revision 0:e31efc30c819:

#define mC 261.626
#define mD 293.665
#define mE 329.628
#define mF 349.228
#define mG 391.995
#define mA 440.000
#define mB 493.883

#include "mbed.h"

DigitalOut sp1(p5);
Ticker timer;

int oto=0;

void tick(void)
{
    sp1.write(oto);
    oto=!oto;
}

int main() {
    float mm[]={mC,mD,mE,mF,mG,mA,mB,mC*2};
    int i;
    for (i=0;i<sizeof(mm);i++) {
        timer.attach(&tick,1.0/mm[i]/2.0);
        wait(0.5f);
    }
    timer.detach();
    while(1);
}