#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, FALLING);
  attachInterrupt(SW2, isrSW2, FALLING);

}

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;
 }

}