from machine import Pin, ADC, PWM
# import time
from utime import sleep

# time.sleep(0.1)
sleep(0.1)

print("Hello, Pi Pico!")
pb1 = Pin(6, Pin.IN, Pin.PULL_UP)
pb2 = Pin(7, Pin.IN, Pin.PULL_DOWN)
led = Pin(5, Pin.OUT)
adc = ADC(26)
pwm = PWM(Pin(15))

pwm.freq(5000)

while True:
    # write pin
    # led.value(1)
    # sleep(1)
    # led.value(0)
    # sleep(1)

    # blink
    # led.toggle()
    # sleep(0.3)

    # read pin
    # print(pb1.value(), end='\t')
    # print(pb2.value())
    # sleep(0.5)

    # control led from pb
    # led.value(not pb1.value())

    # adc reading
    # value = adc.read_u16()
    # print("adc : ", value)
    # sleep(0.1)

    # pwm led
    # for duty in range(0, 65535, 129):
    #     pwm.duty_u16(duty)
    #     sleep(0.01)
    #     print(duty)
    # for duty in range(65535, 0, -129):
    #     pwm.duty_u16(duty)
    #     sleep(0.01)
    #     print(duty)