"""
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Raspberry Pi Pico 7-Segment Display Counter (MicroPython)┃
┃                                                          ┃
┃ A program to demonstrate the use of a 7-segment display  ┃
┃ by implementing an ascending/descending hexadecimal      ┃
┃ counter based on the state of an input switch.           ┃
┃                                                          ┃
┃ Copyright (c) 2023 Anderson Costa                        ┃
┃ GitHub: github.com/arcostasi                             ┃
┃ License: MIT                                             ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
"""


from machine import Pin
from utime import sleep
from machine import I2C, Pin   
from time import sleep

from pico_i2c_lcd import I2cLcd

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
I2C_ADDR = i2c.scan()[0]

lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

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

]

# Common anode 7-segment display digit patterns
MISSISSIPPI = [
    [0, 1, 0, 1, 0, 1, 0], # M
    [0, 1, 1, 1, 0, 1, 1], # I
    [0, 1, 0, 0, 1, 0, 1], # S
    [0, 1, 0, 0, 1, 0, 1], # S
    [0, 1, 1, 1, 0, 1, 1], # I
    [0, 1, 0, 0, 1, 0, 1], # S
    [0, 1, 0, 0, 1, 0, 1], # S
    [0, 1, 1, 1, 0, 1, 1], # I
    [0, 0, 1, 1, 0, 0, 0], # P
    [0, 0, 1, 1, 0, 0, 0], # P
    [0, 1, 1, 1, 0, 1, 1], # I
    
]

ilovedsp = [
    [0, 1, 1, 1, 0, 1, 1, 1], # i
    [1, 1, 1, 0, 0, 0, 1, 1], # l
    [1, 1, 0, 0, 0, 1, 0, 1], # o 
    [1, 0, 1, 0, 1, 0, 1, 1], # v
    [0, 1, 1, 0, 0, 0, 0, 1], # e
    [1, 0, 0, 0, 0, 1, 0, 1], # d
    [0, 1, 0, 0, 1, 0, 1, 1], # s
    [0, 0, 1, 1, 0, 0, 0, 1], # p
]

while True:
    #MISSISSIPPI
    lcd.putstr("MISSISSIPPI")
    for i in range(len(MISSISSIPPI)):
        for j in range(len(pins)):
            pins[j].value(MISSISSIPPI[i][j])
        sleep(0.5)
    lcd.clear()
   
   # ILOVEDSP
    lcd.putstr("ILOVEDSP")

    for i in range(len(ilovedsp)):
        for j in range(len(pins)):
            pins[j].value(ilovedsp[i][j])
        sleep(0.5)
    lcd.clear()