import machine
import time

seven_segment_table = [
    0b11000000,
    0b01111001,
    0b00100100,
    0b00110000,
    0b00011001,
    0b00010010,
    0b00000010,
    0b00000000,
    0b00010000
]
7segment_pins = []
7segment_dig_pins = []

def setup():
    seven_segment_start = 0
    seven_segment_num = 7
    for i in range(seven_segment_num):
        7segment_pins.append(Pin(seven_segment_start+i,Pin.OUT))
        7segment_pins[-1].value(0)
    for i in range(2):
        7segment_dig_pins.append(Pin(7+i,Pin.OUT))
def write_number(number,index):
    mask = seven_segment_table[number]
    7segment_dig_pins[index].value(1)
    for i in range(len(7segment_pins)):
        7segment_pins[i].value((mask>>i)&0x01)
        time.sleep(0.05)
    7segment_dig_pins[index].value(0)


def main():
    ctr = 0
    ctr_ctr = 0
    while True:
        for i in range(len(7segment_dig_pins)):
            num = (ctr / (10**i)) % 10
            write_number(int(num) ,int(i)) 
        if ctr_ctr == 10:   
             ctr = (ctr+1) % 100
             ctr_ctr = 0
        ctr_ctr +=1

        time.sleep (0.5)
if __name__ =='__main__':
    setup()
    main()