import time,board
	
def read_data(pin_name):
	data=[]
	j=0
	time.sleep_ms(1200)
	N1 = board.pin(pin_name, board.GPIO.OUT)
	N1.value(0)
	time.sleep_ms(20)
	N1.value(1)
	time.sleep_us(30)
	N1 =board.pin(pin_name, board.GPIO.IN)
	T1 = time.ticks_us()
	while N1.value()==0:
		continue
	while N1.value()==1:
		T2 =time.ticks_us()
		if time.ticks_diff(T2, T1) >200000:
			#raise ValueError("[MixNo]:Sensor read error")
			break
		continue
	while j<40:
		k=0
		while N1.value()==0:
			continue
		while N1.value()==1:
			k+=1
			if k>100:break
		if k<15:
			data.append(0)
		else:
			data.append(1)
		j=j+1
	del N1
	humidity_bit=data[0:8]
	humidity_point_bit=data[8:16]
	temperature_bit=data[16:24]
	temperature_point_bit=data[24:32]
	check_bit=data[32:40]
	humidity=0
	humidity_point=0
	temperature=0.0
	temperature_point=0
	check=0
	for i in range(8):
		humidity+=humidity_bit[i]*2**(7-i)
		humidity_point+=humidity_point_bit[i]*2**(7-i)
		temperature+=temperature_bit[i]*2**(7-i)
		temperature_point+=temperature_point_bit[i]*2**(7-i)
		check+=check_bit[i]*2**(7-i)
	tmp=humidity+humidity_point+temperature+temperature_point
	#print(humidity_point,temperature_point)
	if check==tmp:
		#print('temperature is',temperature,'-wet is',humidity,'%')
		return (temperature+temperature_point/10,humidity)
	else:
		#print('Error:',humidity,humidity_point,temperature,temperature_point,check)
		return (None,None)