from machine import Pin, time_pulse_us, PWM
from time import sleep
import time
import neopixel
import machine
import dht

TRIG_PIN = 23
ECHO_PIN = 22
led1 = Pin(14,Pin.OUT)
led2 = Pin(27,Pin.OUT)


trig = Pin(TRIG_PIN, Pin.OUT)
echo = Pin(ECHO_PIN, Pin.IN)


led3 = Pin(32,Pin.OUT)
pin_pulsador = Pin(4, Pin.IN, Pin.PULL_UP)
estado = 0


NUM_LEDS = 16
pin_neopixel = 2
np = neopixel.NeoPixel(machine.Pin(pin_neopixel), NUM_LEDS)

sensorh = dht.DHT22(Pin(13))
pwm = PWM(Pin(25), freq=50, duty=0)

boton1 = machine.Pin(19, machine.Pin.IN, machine.Pin.PULL_UP)
buzzer = machine.PWM(machine.Pin(21))


def measure_distance():
    trig.value(1)
    time.sleep_us(10)
    trig.value(0)
    duration_us = time_pulse_us(echo, 1, 30000) 
    distance_cm = duration_us * 0.017
    return distance_cm


def intermitentes():
 led1.value(1)
 led2.value(1)
 sleep(0.5)
 led1.value(0)
 led2.value(0)
 sleep(0.5)

def sonar_buzzer(frecuencia):
   buzzer.freq(frecuencia)
   buzzer.duty_u16(1000)


def intermitente2():
 enciende = 0
 if (estado == 0):
     enciende = 1
     time.sleep(0.01)
 if (enciende == 1):
    led3.value(1)
    time.sleep(0.5)
    led3.value(0)
    time.sleep(0.5)
    led3.value(1)
    time.sleep(0.5)
    led3.value(0)
    time.sleep(0.5)
    led3.value(1)
    time.sleep(0.5)
    led3.value(0)
    time.sleep(0.5)
    led3.value(1)
    time.sleep(0.5)
    led3.value(0)
    enciende= 0

def Servo(servo, angle):
   pwm.duty(int(((angle)/180 *2 + 0.5) / 20 * 1023))

while True:
    estado = pin_pulsador.value()
    intermitente2()
    intermitentes()
    distance = measure_distance()
    intermitente2()
    sensorh.measure()
    h= sensorh.humidity()

    if distance > 0 and distance <5:
        for i in range (0,16):
            np[i] = (255,0,0)
            np.write()




    if distance > 5 and distance <10:
        for i in range (0,16):
            np[i] = (255,255,0)
            np.write()




    if distance > 10:
        for i in range (0,16):
            np[i] = (0,255,0)
            np.write()

    if h >50:
       Servo(2,180)
       time.sleep(1)
       Servo(2,10)

    if not boton1.value():
       sonar_buzzer(440)
    else:
       buzzer.duty_u16(0)
    time.sleep(0.1)