Franz Pucher / ESP32

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Button Klasse

mbedESP32_blueLeds-Button-Class.ino

#define LED1 19       // GPIO19
#define CENTER 25     // GPIO25

struct Button {    // oder struct
public:
  const uint8_t PIN;
  uint32_t numberKeyPresses;
  bool pressed;
};

Button button1 = {CENTER, 0, false};

void IRAM_ATTR isr() {
  digitalWrite(LED1, !digitalRead(LED1));
  button1.numberKeyPresses += 1;
  button1.pressed = true;
}

void setup() {
  Serial.begin(115200);
  pinMode(LED1, OUTPUT);
  pinMode(button1.PIN, INPUT_PULLDOWN);
  attachInterrupt(button1.PIN, isr, FALLING);
}

void loop() {
  if (button1.pressed) {
      Serial.printf("Button 1 has been pressed %u times\n", button1.numberKeyPresses);
      button1.pressed = false;
  }
}
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