import machine
import time

# Pin Configuration 
latch_pin = machine.Pin(17, machine.Pin.OUT)  # GP16
spi = machine.SPI(0, baudrate=100000, polarity=0, phase=0, sck=machine.Pin(18), mosi=machine.Pin(19), miso=machine.Pin(16))  

def read_buttons():
    latch_pin.value(0)  
    data = spi.read(8)[0]  # Read 8 bits, but we only care about the first byte
    latch_pin.value(1)  

    # Extract button states (assuming active-low buttons)
    button1_pressed = not (data & 0b00000001)
    button2_pressed = not (data & 0b00000010)
    button3_pressed = not (data & 0b00000100)

    return button1_pressed, button2_pressed, button3_pressed

while True:
    button1, button2, button3 = read_buttons()

    print("Button 1:", button1)
    print("Button 2:", button2)
    print("Button 3:", button3)

    time.sleep(1.0)  # Adjust delay as needed