from machine import Pin
from time import sleep
import dht

sensor = dht.DHT22(Pin(28)) #refer to sensor data pin
DATAPINS = [Pin(11, Pin.OUT), Pin(10, Pin.OUT)] #DS
clockPin = Pin(12, Pin.OUT) #SHCP
LATCHPINS = [Pin(13, Pin.OUT), Pin(14, Pin.OUT)] #STCP


# Read sensor values
# sensor.measure()
# sensor.temperature()
# sensor.humidity()

DIGITS = [                                  #7-segment numbers
    "11111100", "01100000", "11011010",     #0,1,2
    "11110010", "01100110", "10110110",     #3,4,5
    "10111110", "11100000", "11111110",     #6,7,8
    "11100110",                             #9
]

hum = 0
current = -1

def dataInputSevenSegment(dataPin,latchPin,digitIndex):

    x = range(7,-1,-1)
    for index in x:
        clockPin.value(0)
        if DIGITS[digitIndex][index] == "1":
            dataPin.value(1)
        else:
            dataPin.value(0)
        clockPin.value(1)
    clockPin.value(0)
    latchPin.value(1)
    clockPin.value(1)
    latchPin.value(0)

while True: 
    # Read humidity sensor value
    sensor.measure()
    hum = sensor.humidity()
    strHum = str(f'{hum:.0f}')
    #print humidity value
    print("\r            \r", end="")
    print("Humidity: " + strHum + "%", end="")

    if len(strHum) < 2:
        strHum = "0" + strHum

    dataInputSevenSegment(DATAPINS[0], LATCHPINS[0], int(strHum[0]))
    dataInputSevenSegment(DATAPINS[1], LATCHPINS[1], int(strHum[1]))

    sleep(1)