# importar bibliotecas
# quem sera utilizado
#import machine # machine.Pin
from machine import Pin, ADC,time_pulse_us,I2C, SoftI2C
from hcsr04 import HCSR04
from i2c_lcd import I2cLcd
from time import sleep,ticks_ms,ticks_diff
from nec import NEC_16


# configuracao
# onde estao os itens/componentes
TRIG = Pin(13)
ECHO = Pin(12)
ultrasonico = HCSR04(trigger_pin=TRIG, echo_pin=ECHO)
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=400000) 
lcd = I2cLcd(i2c, 0x27, 2, 16)
opcao = ""
ligado = 0
# programa
# o que / como ira acontecer
altura = 0
comprimento = 0
largura = 0
area = 0
ir_data = 0

global valor_data


def callback(data, addr, ctrl):
    global ir_data
    if data >0:
        #print(f"Num_botao {data:02x} cod {addr:04x} ft {ir_key[data]}")
        print(f"Num_botao {data:02x} cod {data}")
        ir_data = data
   
        
ir = NEC_16(Pin(34, Pin.IN),callback)

# programa
# o que / como ira acontecer
while True:
  sleep(0.2)
  print(ligado)
  if ir_data > 0:
    if ir_data == 162 and ligado == 0:
      ligado = 1
      lcd.move_to(0,0)
      lcd.putstr('ligando... ')
      sleep(1)
      lcd.clear()
      lcd.move_to(0,0)
      lcd.putstr('[1]-medir altura ')
      sleep(1)
      lcd.clear()
      lcd.move_to(0,0)
      lcd.putstr('[2]-medir comprimento ')
      sleep(1)
      lcd.clear()
      lcd.move_to(0,0)
      lcd.putstr('[3]-medir largura ')
      sleep(1)
      lcd.clear()
      lcd.move_to(0,0)
      lcd.putstr('[4]-calcular area ')
      sleep(1)
      lcd.clear()
      lcd.move_to(0,0)
      lcd.putstr('[5]-calcular volume ')
      sleep(1)
      lcd.clear()
      lcd.move_to(0,0)
      lcd.putstr('[menu] - mostrar menu ')
      sleep(1)
      lcd.clear()
      sleep(0.1)
      lcd.move_to(0,0)
      lcd.putstr('medir tudo para calcular')
      sleep(1)
      lcd.clear()
      sleep(0.1)
      lcd.move_to(0,0)
      lcd.putstr('medir area antes do volume')
      sleep(1)
      lcd.clear()
      sleep(0.1)
    elif ir_data == 162 and ligado == 1:
      ligado = 0
      lcd.move_to(0,0)
      lcd.putstr('desligando... ')
      sleep(1)
      lcd.clear()
      ir_data = 0
    if ligado == 1:
      if ir_data > 0:
        if ir_data == 24:
          cm =  ultrasonico.distance_cm()
          comprimento = 400 - cm
          lcd.move_to(0,0)
          lcd.putstr(f"com:{comprimento}cm")
          sleep(1)
          lcd.clear()
          print("Tecla 2")
          sleep(0.1)
        elif ir_data == 56:
          cm =  ultrasonico.distance_cm()
          volume = altura * area
          lcd.move_to(0,0)
          lcd.putstr(f"vol:{volume}cm³")
          sleep(1)
          lcd.clear()
          print("Tecla 5")
          sleep(0.1)
        elif ir_data == 48:
          cm =  ultrasonico.distance_cm()
          altura = 400 - cm
          lcd.move_to(0,0)
          lcd.putstr(f"al:{altura}cm")
          sleep(1)
          lcd.clear()
          print("Tecla 1")
          sleep(0.1)
        elif ir_data == 122:
          cm =  ultrasonico.distance_cm()
          largura = 400 - cm
          lcd.move_to(0,0)
          lcd.putstr(f"larg:{largura}cm")
          sleep(1)
          lcd.clear()
          print("Tecla 3")
          sleep(0.1)
        elif ir_data == 16:
          cm =  ultrasonico.distance_cm()
          area = largura * comprimento
          lcd.move_to(0,0)
          lcd.putstr(f"area:{area}cm²")
          sleep(1)
          lcd.clear()
          print("Tecla 4")
          sleep(0.1)
        elif ir_data == 226:
          print("Tecla menu")
          lcd.move_to(0,0)
          lcd.putstr('[1] - medir altura ')
          sleep(1)
          lcd.clear()
          lcd.move_to(0,0)
          lcd.putstr('[2] - medir comprimento ')
          sleep(1)
          lcd.clear()
          lcd.move_to(0,0)
          lcd.putstr('[3] - medir largura ')
          sleep(1)
          lcd.clear()
          lcd.move_to(0,0)
          lcd.putstr('[4] - calcular area ')
          sleep(1)
          lcd.clear()
          lcd.move_to(0,0)
          lcd.putstr('[5] - calcular volume ')
          sleep(1)
          lcd.clear()
          sleep(0.1)
          lcd.move_to(0,0)
          lcd.putstr('medir tudo para calcular')
          sleep(1)
          lcd.clear()
          sleep(0.1)
          lcd.move_to(0,0)
          lcd.putstr('medir area antes do volume')
          sleep(1)
          lcd.clear()
          sleep(0.1)
        else:
          lcd.move_to(0,0)
          lcd.putstr('botao nao utilizavel ')
          sleep(1)
          lcd.clear()
        ir_data = 0
      ir_data = 0
    ir_data = 0