from machine import Pin
from utime import sleep
sleep(0.1) # Wait for USB to become ready

print("Running")

#set up the shift register Pins
# 74HC595 serial in, Paralell out with latch
dataPin=Pin(13, Pin.OUT) #pink
latchPin=Pin(15, Pin.OUT) #yellow wire
clockPin=Pin(14, Pin.OUT) #blue wire

def shift_update(inputData,data,clock,latch):
  #put latch down to start data sending
  latch.value(0) #take latch off
    
  #load data in reverse order dp,gfedcba
  for i in range(7, -1, -1):
    clock.value(0) #set clock low to write data
    data.value(int(inputData[i]))
    clock.value(1)

  latch.value(1) #so the led's remain on


numbers = [
  "11111111",      #0  
  "10011111",      # this is in order abcdefg and dp
  "00100101",
  "00001101",
  "10011001",
  "01001001",
  "01000001",
  "00011111",
  "00000001",
  "00011001"        #9
]

while True:
  for number in numbers:
    shift_update(number,dataPin,clockPin,latchPin)
    sleep(0.5)