import time
from machine import Pin
from inventor import Inventor2040W, GPIOS, NUM_GPIOS

"""
Shows how to initialise and read the 6 GPIO headers of Inventor 2040 W.

Press "User" to exit the program.
"""

BRIGHTNESS = 0.4      # The brightness of the LEDs
GPIO_NAMES = ("GP0", "GP1", "GP2", "A0", "A1", "A2")

# Create a new Inventor2040W
board = Inventor2040W()

# Create an input pin object for each GPIO
inputs = [Pin(i, Pin.IN, Pin.PULL_DOWN) for i in GPIOS]


# Read the GPIOs until the user button is pressed
while not board.switch_pressed():

    # Read each GPIO in turn and print its value
    for i in range(NUM_GPIOS):
        value = inputs[i].value()
        print(GPIO_NAMES[i], " = ", inputs[i].value(), sep="", end=", ")

        # Set the neighbouring LED to a colour based on
        # the input, with Green for high and Blue for low
        if value:
            board.leds.set_hsv(i, 0.333, 1.0, BRIGHTNESS)
        else:
            board.leds.set_hsv(i, 0.666, 1.0, BRIGHTNESS)

    # Print a new line
    print()

    time.sleep(0.1)

# Turn off the LED bars
board.leds.clear()