File content as of revision 3:86238dba1529:

#include "beep_sound.h"
#include "math.h"
#include <queue>


beep_sound::beep_sound(PinName pwm)
{
    m_pwm = new PwmOut(pwm);
    m_pwm->write(0.0f);
}

beep_sound::~beep_sound()
{
    delete m_pwm;
}

void beep_sound::stop(){
    m_pwm->write(0.0f);
    // キューが空でなければ次の音へ
    if(otoQue.empty() != 1){
        beep_sound::playGakuhu();
    }
}

// 音の再生
void beep_sound::NoteOn(int octave, int note)
{
    frequency = frequencyTable[note] << octave;
    m_pwm->period(1.0f/(float)frequency);
    m_pwm->write(0.5f);
}

// 1音ずつ音符情報をキューに追加
void beep_sound::setGakuhu(int argOc, int argNo, float argTi)
{
    buf.octave = argOc;
    buf.note = argNo;
    buf.time_s = argTi;
    otoQue.push(buf);
}

// 休符をキューに追加
void beep_sound::setKyuhu(float argTi)
{
    buf.octave = 1000;
    buf.note = 0;
    buf.time_s = argTi;
    otoQue.push(buf);
}

// 楽譜キューを再生、音停止の割り込み予約
// Timeoutの日本語リファレンスには書いていないが、
// thisを引数にしないとコンパイルエラーになるので注意
void beep_sound::playGakuhu()
{
    beep_sound::NoteOn(otoQue.front().octave, otoQue.front().note);
    interruptStop.attach(this, &beep_sound::stop, otoQue.front().time_s);
    otoQue.pop();
}

void beep_sound::SetFrequency(int octave, int note, bool on_off)
{
    static int preFrequency = 0;
    if(on_off == true){
        int frequency = frequencyTable[note] << octave;
        if(frequency != preFrequency){
            m_pwm->period(1.0f/(float)frequency);
            m_pwm->write(0.5f);
        }
        preFrequency = frequency;
    }else{
        m_pwm->write(0.0f);
        preFrequency = 0;
    }
}

void beep_sound::onpu(int octave, int note, float time_s)
{
    beep_sound::SetFrequency(octave, note, true);
    wait(time_s);
    beep_sound::SetFrequency(octave, note, false);
    /*
    if(octave >= 10){
        octave -= 10;
        beep_sound::SetFrequency(octave, note, true);
        wait(time_s);
        beep_sound::SetFrequency(octave, note, false);
    }else{
        beep_sound::SetFrequency(octave, note, true);
    }
    */
}
void beep_sound::sinwave(float center,int speed,int width)
{
    for(float i=0.0f;i<6.28f;i+=0.01*speed)
    {
    m_pwm->period(1.0f/(center+width*(float)sin(i)));
    m_pwm->write(0.5f);
    wait_ms(2);
    }
}
void beep_sound::setwave(float frequency,float duty,float wait)
{
    m_pwm->period(1.0f/(frequency));
    m_pwm->write(duty);
    wait_ms(wait);
}
//引数の回数だけ鳴らす
void beep_sound::beep_right(int nTimes)
{
    for(int i=0; i<nTimes; i++){
        beep_sound::onpu(3,11,0.1);
        beep_sound::onpu(3,7,0.35);
        wait(0.1);
    }
}
void beep_sound::beep_wrong(int nTimes)
{
    for (int i = 0; i < nTimes; i++) {
        m_pwm->period(0.01f);
        m_pwm->write(0.5f);
        wait(0.1);
        m_pwm->write(0.0f);
        wait(0.1);
        m_pwm->period(0.01f);
        m_pwm->write(0.5f);
        wait(0.35);
        m_pwm->write(0.0f);
        wait(0.1);
    }
}
void beep_sound::beep_1up(int nTimes)
{
    for (int i = 0; i < nTimes; i++) {
        beep_sound::onpu(3,4,0.1);
        beep_sound::onpu(3,7,0.1);
        beep_sound::onpu(4,4,0.1);
        beep_sound::onpu(4,0,0.1);
        beep_sound::onpu(4,2,0.1);
        beep_sound::onpu(4,7,0.1);
        wait(0.1);
    }
}
void beep_sound::beep_konbini(int nTimes)
{
    for (int i = 0; i < nTimes; i++) {
        beep_sound::onpu(2,6,0.2);
        beep_sound::onpu(2,2,0.2);
        beep_sound::onpu(1,9,0.2);
        beep_sound::onpu(2,2,0.2);
        beep_sound::onpu(2,4,0.2);
        beep_sound::onpu(2,9,0.4);
        beep_sound::onpu(1,9,0.2);
        beep_sound::onpu(2,4,0.2);
        beep_sound::onpu(2,6,0.2);
        beep_sound::onpu(2,4,0.2);
        beep_sound::onpu(1,9,0.2);
        beep_sound::onpu(2,2,0.6);
        wait(0.1);
    }
}
void beep_sound::beep_readyGo(int nTimes)
{
    for (int i = 0; i < nTimes; i++) {
        beep_sound::onpu(1,0,0.5);
        wait(0.5);
        beep_sound::onpu(1,0,0.5);
        wait(0.5);
        beep_sound::onpu(1,0,0.5);
        wait(0.5);
        beep_sound::onpu(2,0,1);
    }
}
void beep_sound::beep_encount(int nTimes)
{
    for (int i = 0; i < nTimes; i++) {
        beep_sound::onpu(4,0,0.08);
        beep_sound::onpu(3,11,0.08);
        beep_sound::onpu(3,10,0.08);
        beep_sound::onpu(3,9,0.08);

        beep_sound::onpu(3,10,0.08);
        beep_sound::onpu(3,9,0.08);
        beep_sound::onpu(3,8,0.08);
        beep_sound::onpu(3,7,0.08);

        beep_sound::onpu(3,8,0.08);
        beep_sound::onpu(3,7,0.08);
        beep_sound::onpu(3,6,0.08);
        beep_sound::onpu(3,5,0.08);

        beep_sound::onpu(3,6,0.08);
        beep_sound::onpu(3,5,0.08);
        beep_sound::onpu(3,4,0.08);
        beep_sound::onpu(3,3,0.08);

        beep_sound::onpu(3,4,0.08);
        beep_sound::onpu(3,3,0.08);
        beep_sound::onpu(3,2,0.08);
        beep_sound::onpu(3,1,0.08);

        beep_sound::onpu(3,2,0.08);
        beep_sound::onpu(3,1,0.08);
        beep_sound::onpu(3,0,0.08);
        beep_sound::onpu(2,11,0.08);

        beep_sound::onpu(3,0,0.08);
        beep_sound::onpu(2,11,0.08);
        beep_sound::onpu(2,10,0.08);
        beep_sound::onpu(2,9,0.08);

        beep_sound::onpu(2,10,0.08);
        beep_sound::onpu(2,9,0.08);
        beep_sound::onpu(2,8,0.08);
        beep_sound::onpu(2,7,0.08);
    }
    wait(0.1);
}