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


Red = Pin(12, Pin.OUT)
Green = Pin(14, Pin.OUT)
Blue = Pin(27, Pin.OUT)

R = PWM(Red, 500)
G = PWM(Green, 500)
B = PWM(Blue, 500)
# 500hz frequency

# Set duty cycle
# This function accept values between 0-65535
# 0 = 0% and 65535 = 100%
# This means each percentage is 65535 / 100 = 655.35
# For 50% it means 655.35 * 50% = 32767.5 rounded to 32768

R.duty_u16(0)
G.duty_u16(0)
B.duty_u16(0)

sleep(1)

red_pot = ADC(Pin(2, Pin.IN))
green_pot = ADC(Pin(0, Pin.IN))
blue_pot = ADC(Pin(4, Pin.IN))

# scale = (d-c) / (b-a) = 65535/4095 = 16 (approximately)
# no offset

while True:
    red_value = red_pot.read()
    green_value = green_pot.read()
    blue_value = blue_pot.read()
	    
    scale = 16

    R.duty_u16(red_value * scale)
    G.duty_u16(green_value * scale)
    B.duty_u16(blue_value * scale)
    

    sleep(0.5)
















# while True:
#     R.duty_u16(32768)
#     sleep(1)
#     R.duty_u16(0)
#     sleep(1)

#     G.duty_u16(32768)
#     sleep(1)
#     G.duty_u16(0)
#     sleep(1)

#     B.duty_u16(32768)
#     sleep(1)
#     B.duty_u16(0)
#     sleep(1)

#     for i in range(0, 65535, 6553):
#         dc = i if i > 6555 else 0
#         R.duty_u16(dc)
#         G.duty_u16(dc)
#         B.duty_u16(dc)
#         sleep(0.2)
#     sleep(2)