#!/usr/bin/env python3
from machine import Pin, PWM
import time

color_r = [0, 0, 100, 100]
color_g = [0, 100, 100, 0]

red = Pin(16, Pin.OUT)
green = Pin(17, Pin.OUT)

pwm_r = PWM(Pin(16))
pwm_r.freq(1000)
pwm_g = PWM(Pin(17))
pwm_g.freq(1000)

pwm_r.duty_u16(0)
pwm_g.duty_u16(0)

def map(x, in_min, in_max, out_min, out_max):
    Y = int((x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min)
    return Y

def setColor(n):   # For example : col = 0x1122
    R_val = color_r[n]
    G_val = color_g[n]

    R_val = map(R_val, 0, 255, 0, 65535)
    G_val = map(G_val, 0, 255, 0, 65535)

    pwm_r.duty_u16(R_val)     # Change duty cycle
    pwm_g.duty_u16(G_val)

# ---  Main Routine ---
while True:
    for col in range(0,4):
        setColor(col)
        time.sleep(0.5)