"""
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Raspberry Pi Pico 7-Segment Display (MicroPython)        ┃
┃                                                          ┃
┃ Demonstrates 7-segment display usage                     ┃
┃                                                          ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
"""

import json
from machine import Pin
from utime import sleep

# 7-segment display layout
#       A
#      ---
#  F |  G  | B
#      ---
#  E |     | C
#      ---
#       D

pins = [
    Pin(2, Pin.OUT),  # A
    Pin(3, Pin.OUT),  # B
    Pin(4, Pin.OUT),  # C
    Pin(5, Pin.OUT),  # D
    Pin(6, Pin.OUT),  # E
    Pin(8, Pin.OUT),  # F
    Pin(7, Pin.OUT),  # G
    Pin(0, Pin.OUT)   # DP (not connected)
]

def reset():
    """Turns off all segments on the 7-segment display."""
    for pin in pins:
        pin.value(1)

reset()

switch = Pin(13, Pin.IN)

testBytes = b'\x92\xc0\xf8\x92\x82\xa1\xf8\xc0\xa4\xc0\xf8\x92\xf8\xc0\xa4\xc0\xf8\x99\x82\x80\x92\x92\xa4\xc0\x82\x88\x82\x92\x82\xc6\x82\xc6\xf8\x98'#b'\x98\xf8\xc6\x82\xc6\x82\x92\x82\x88\x82\xc0\xa4\x92\x92\x80\x82\x99\xf8\xc0\xa4\xc0\xf8\x92\xf8\xc0\xa4\xc0\xf8\xa1\x82\x92\xf8\xc0\x92'

while True:
    # Ascending counter
    for i in range(len(testBytes)):
        for j in range(len(pins) - 1):
            temp = j
            pins[j].value((testBytes[i]>>temp)&(1))
        sleep(1)
        for j in range(len(pins) - 1):
            temp = j
            pins[j].value(1)
        sleep(1)
    ender = b'\xed'
    for j in range(len(pins) - 1):
            temp = j
            pins[j].value((ender>>temp)&(1))
    sleep(20)