#include <chrono>
#include <Arduino.h>
 
struct timeval tv_now;

void setup() {
  Serial.begin(115200);
}
 
void loop() {
  //gettimeofday(&tv_now, NULL);
  int64_t time1 = micros();
  analogRead(32);
  //gettimeofday(&tv_now, NULL);
  int64_t time2 = micros();
  
  Serial.println("1: " + String(time1));
  Serial.println("2: " + String(time2));
}