vistaでstm32duino その16

概要

vistaでstm32duinoやってみた。
AMラジオを鳴らしてみた。

サンプルコード

volatile int v;

#define CLOCK       (1000000/8)
#define UA          1
#define SILO        2
#define DO          3
#define DOSH        4
#define RE          5
#define RESH        6
#define MI          7
#define FA          8
#define FASH        9
#define SO          10
#define SOSH        11
#define LA          12
#define SIFL        13
#define SI          14
#define DOHI        15
#define DOHS        16
#define REHI        17
#define REHS        18
#define MIHI        19
#define FAHI        20
#define FAHS        21
#define END0        0x30
#define OFF0        0x31
#define T03         4
#define T06         8
#define T09         12
#define NOTE        32

byte musicData[200] = {
    DO, T03,
    FA, T03,
    FA, T09,
    FA, T03,
    MI, T03,
    RE, T03,
    DO, T03,
    RE, T09,
    DO, T03,
    DO, T03,
    UA, T03,
    DO, T03,
    RE, T06,
    RE, T03,
    RE, T03,
    RE, T03,
    FA, T03,
    RE, T03,
    MI, T06,
    UA, T03,
    OFF0, T03,
    UA, T03,
    DO, T03,
    RE, T06,
    RE, T03,
    FA, T03,
    SO, T06,
    FA, T03,
    MI, T03,
    FA, T06,
    MI, T03,
    RE, T03,
    RE, T06,
    DO, T03,
    RE, T06,
    RE, T03,
    RE, T03,
    LA, T03,
    FA, T03,
    LA, T03,
    SO, T09,
    OFF0, T03,
    DO, T03,
    FA, T09,
    FA, T03,
    FA, T03,
    MI, T03,
    RE, T03,
    DO, T03,
    RE, T09,
    DO, T03,
    DO, T03,
    UA, T06,
    DO, T03,
    RE, T03,
    RE, T06,
    RE, T03,
    RE, T03,
    FA, T03,
    RE, T03,
    MI, T03,
    UA, T06,
    OFF0, T03,
    UA, T03,
    DO, T03,
    RE, T06,
    RE, T03,
    FA, T03,
    SO, T06,
    FA, T03,
    MI, T03,
    FA, T06,
    MI, T03,
    RE, T03,
    RE, T06,
    DO, T03,
    RE, T06,
    RE, T03,
    RE, T03,
    LA, T03,
    FA, T03,
    LA, T03,
    SO, T09,
    END0, T03,
    END0, T03
};
void playTone(byte tone0, byte tempo) {
    int i,
        hz,
        itone;
    switch (tone0)
    {
    case UA:
        hz = 466 / NOTE;
        itone = ((int) (CLOCK / 466)) << 3;
    break;
    case SILO:
        hz = 493 / NOTE;
        itone = ((int) (CLOCK / 493)) << 3;
    break;
    case DO:
        hz = 523 / NOTE;
        itone = ((int) (CLOCK / 523)) << 3;
    break;
    case DOSH:
        hz = 554 / NOTE;
        itone = ((int) (CLOCK / 554)) << 3;
    break;
    case RE:
        hz = 587 / NOTE;
        itone = ((int) (CLOCK / 587)) << 3;
    break;
    case RESH:
        hz = 622 / NOTE;
        itone = ((int) (CLOCK / 622)) << 3;
    break;
    case MI:
        hz = 659 / NOTE;
        itone = ((int) (CLOCK / 659)) << 3;
    break;
    case FA:
        hz = 698 / NOTE;
        itone = ((int) (CLOCK / 698)) << 3;
    break;
    case FASH:
        hz = 739 / NOTE;
        itone = ((int) (CLOCK / 739)) << 3;
    break;
    case SO:
        hz = 783 / NOTE;
        itone = ((int) (CLOCK / 783)) << 3;
    break;
    case SOSH:
        hz = 830 / NOTE;
        itone = ((int) (CLOCK / 830)) << 3;
    break;
    case LA:
        hz = 880 / NOTE;
        itone = ((int) (CLOCK / 880)) << 3;
    break;
    case SIFL:
        hz = 932 / NOTE;
        itone = ((int) (CLOCK / 932)) << 3;
    break;
    case SI:
        hz = 987 / NOTE;
        itone = ((int) (CLOCK / 987)) << 3;
    break;
    case DOHI:
        hz = 1046 / NOTE;
        itone = ((int) (CLOCK / 1046)) << 3;
    break;
    case DOHS:
        hz = 1108 / NOTE;
        itone = ((int) (CLOCK / 1108)) << 3;
    break;
    case REHI:
        hz = 1174 / NOTE;
        itone = ((int) (CLOCK / 1174)) << 3;
    break;
    case REHS:
        hz = 1244 / NOTE;
        itone = ((int) (CLOCK / 1244)) << 3;
    break;
    case MIHI:
        hz = 1318 / NOTE;
        itone = ((int) (CLOCK / 1318)) << 3;
    break;
    case FAHI:
        hz = 1396 / NOTE;
        itone = ((int) (CLOCK / 1396)) << 3;
    break;
    case FAHS:
        hz = 1480 / NOTE;
        itone = ((int) (CLOCK / 1480)) << 3;
    break;
    default:
        hz = 880 / NOTE;
        itone = ((int) (CLOCK / 880)) << 3;
    break;
    }
    for ( ; tempo > 0; tempo--)
    {
        if ((tone0 == OFF0) || (tone0 == END0))
        {
            delayMicroseconds(NOTE * 1000);
        }
        else
        {
            for (i = 0; i < hz; i++)
            {
                pinMode(PC13, INPUT);
                delayMicroseconds(itone);
                pinMode(PC13, OUTPUT);
                delayMicroseconds(itone);
            }
        }
    }
    delayMicroseconds(50000);
}
void isr0(void) {
    if (v == 0)
    {
        GPIOC->BSRR = 0b0010000000000000;
        v = 1;
    }
    else
    {
        GPIOC->BSRR = 0b0010000000000000 << 16;
        v = 0;
    }
}

void setup() {
    pinMode(PC13, OUTPUT);
    digitalWrite(PC13, HIGH);
    TIM_TypeDef * Instance = TIM1;
    HardwareTimer * MyTim = new HardwareTimer(Instance);
    MyTim->setOverflow(12, MICROSEC_FORMAT);
    MyTim->attachInterrupt(isr0);
    MyTim->resume();
}
void loop() {
    int i;
    byte tone0,
        tempo;
    for (i = 0; i < 80; i++)
    {
        tone0 = musicData[i * 2];
        tempo = musicData[i * 2 + 1];
        playTone(tone0, tempo);
    }
}

以上。