BLDC ↑

for_po.cpp

#include "mbed.h"

// ピンの定義
#define PWM_U PC_9
#define CWCCW_U PA_5

#define PWM_V PB_8
#define CWCCW_V PA_7

#define PWM_W PB_9
#define CWCCW_W PC_8

#define delayTime 1000ms

// PWM出力用のPwmOutオブジェクト
// ToDo: ここは使うNucleに合わせて変える
PwmOut pwm_U(PWM_U);
PwmOut pwm_V(PWM_V);
PwmOut pwm_W(PWM_W);

// デジタル出力用のDigitalOutオブジェクト
DigitalOut sd_U(CWCCW_U);
DigitalOut sd_V(CWCCW_V);
DigitalOut sd_W(CWCCW_W);

int main() {
    // 初期設定
    pwm_U.period_ms(1); // PWM周期を1msに設定
    pwm_V.period_ms(1);
    pwm_W.period_ms(1);

    pwm_U.write(0.0f); // PWMデューティサイクルを0%に設定
    pwm_V.write(0.0f);
    pwm_W.write(0.0f);

    sd_U = 1; // 通電
    sd_V = 1;
    sd_W = 1;

    wait_us(100000); // 100ms待機

    while (true) {
        // 1 U->W
        pwm_U.write(1.0f); // PWMデューティサイクルを100%に設定
        pwm_V.write(0.0f);
        pwm_W.write(0.0f);
        sd_U = 1;
        sd_V = 0;
        sd_W = 1;
        ThisThread::sleep_for(delayTime);

        // 2 U->V
        pwm_U.write(1.0f);
        pwm_V.write(0.0f);
        pwm_W.write(0.0f);
        sd_U = 1;
        sd_V = 1;
        sd_W = 0;
        ThisThread::sleep_for(delayTime);

        // 3 W->V
        pwm_U.write(0.0f);
        pwm_V.write(0.0f);
        pwm_W.write(1.0f);
        sd_U = 0;
        sd_V = 1;
        sd_W = 1;
        ThisThread::sleep_for(delayTime);

        // 4 W->U
        pwm_U.write(0.0f);
        pwm_V.write(0.0f);
        pwm_W.write(1.0f);
        sd_U = 1;
        sd_V = 0;
        sd_W = 1;
        ThisThread::sleep_for(delayTime);

        // 5 V->U
        pwm_U.write(0.0f);
        pwm_V.write(1.0f);
        pwm_W.write(0.0f);
        sd_U = 1;
        sd_V = 1;
        sd_W = 0;
        ThisThread::sleep_for(delayTime);

        // 6 V->W
        pwm_U.write(0.0f);
        pwm_V.write(1.0f);
        pwm_W.write(0.0f);
        sd_U = 0;
        sd_V = 1;
        sd_W = 1;
        ThisThread::sleep_for(delayTime);
    }
}