#define SW1 4
#define SW2 16
int KeyPressesSW1 = 0;
bool statusSW1 = false;
int KeyPressesSW2 = 0;
bool statusSW2 = false;

void IRAM_ATTR isrSW1() {
  KeyPressesSW1 += 1;
  statusSW1 = true;
}
void IRAM_ATTR isrSW2() {
  KeyPressesSW2 += 1;
  statusSW2 = true;
}
void setup() {
  Serial.begin(115200);
  pinMode(SW1, INPUT_PULLUP);
  pinMode(SW2, INPUT_PULLUP);
  attachInterrupt(SW1, isrSW1, RISING);
  attachInterrupt(SW2, isrSW2, RISING);
}
void loop() {
  if (statusSW1) {
    Serial.printf("SW1 press %u times\n", KeyPressesSW1);
    statusSW1 = false;
  }
  if (statusSW2) {
    Serial.printf("SW2 press %u times\n",  KeyPressesSW2);
    statusSW2 = false;
  }
}