import time
import gpiozero 
#from gpiozero import LineSensor 
ultrasom = DistanceSensor(echo=28, trigger=27)

#
import smbus
PWR_M   = 0x6B
DIV   = 0x19
CONFIG       = 0x1A
GYRO_CONFIG  = 0x1B
INT_EN   = 0x38
ACCEL_X = 0x3B
ACCEL_Y = 0x3D
ACCEL_Z = 0x3F
GYRO_X  = 0x43
GYRO_Y  = 0x45
GYRO_Z  = 0x47

import signal                   
import sys
import RPi.GPIO as GPIO

Slinha = 22
 contaLinha=0
 habContagem = 0
mapaGlobal = [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0]]
'''
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0]]
30/330'''


def signal_handler(sig, frame):
    GPIO.cleanup()
    sys.exit(0)
def button_callback(channel):
    if not GPIO.input(Slinha):
        global contaLinha = contaLinha + 1
        print("entrou na linha ")
        print(contaLinha)
        global habContagem = 1
    else:
        global habContagemb = 0
        print("saiu da linha")
        
if __name__ == '__main__':
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(Slinha, GPIO.IN, pull_up_down=GPIO.PUD_UP)
    
    GPIO.add_event_detect(Slinha, GPIO.BOTH, 
            callback=button_callback, bouncetime=50)
    
    signal.signal(signal.SIGINT, signal_handler)
    signal.pause()
contaLinha = 0
linhaM.when_line :  contagem()


    
while 1 :
    entrada = input("")
    if entrada == "c":
        print(contaLinha)
    sleep(1)