Atomic HDriver Base Arduino 使用チュートリアル

#include "M5Unified.h"

const int IN1_PIN       = 6;
const int IN2_PIN       = 7;
const int VIN_PIN       = 8;
const int FAULT_PIN     = 5;

int freq          = 10000;
int resolution    = 10;
bool direction    = true;

void setup() {
    M5.begin();

    M5.Display.setTextColor(GREEN);
    M5.Display.setTextDatum(middle_center);
    M5.Display.setFont(&fonts::Orbitron_Light_24);
    M5.Display.drawString("H-Driver", M5.Display.width() / 2, M5.Display.height() / 2);

    ledcAttach(IN1_PIN, freq, resolution);
    ledcAttach(IN2_PIN, freq, resolution);
    pinMode(VIN_PIN, INPUT);
    pinMode(FAULT_PIN, INPUT);
    ledcWrite(IN1_PIN, 0);
    ledcWrite(IN2_PIN, 0);
}

void loop() {
    if (M5.BtnA.pressedFor(1000)) {
        ledcWrite(IN1_PIN, 0);
        ledcWrite(IN2_PIN, 0);
    }

    if (M5.BtnA.wasPressed()) {
        if (direction) {
            ledcWrite(IN1_PIN, 300);
            ledcWrite(IN2_PIN, 0);
        } else {
            ledcWrite(IN1_PIN, 0);
            ledcWrite(IN2_PIN, 300);
        }
        direction = !direction;
    }

    M5.update();
    if (digitalRead(FAULT_PIN) == 0) {
        M5.Display.clear();
        M5.Display.drawString("FAULT!", M5.Display.width() / 2, M5.Display.height() / 2);
    }
}