import board

import busio

import adafruit_pca9685

from memory import Memory

i2c = busio.I2C(board.SCL, board.SDA)

pca = adafruit_pca9685.PCA9685(i2c)

pca.frequency = 60

class Eyes():

'''

Sets brightness of K9's eye panel

'''

def __init__(self):

self.mem = Memory()

self.set_level(0.0)

def set_level(self, level:float) -> None:

'''

Sets brightness to a percentage value (0.0 to 1.0)

'''

self.mem.storeState("eyes", str(level))

value = int(level * 65535)

pca.channels[0].duty_cycle = value

def off(self) -> None:

'''

Turns eye panel off

'''

self.set_level(0)

def on(self) -> None:

'''

Turns eye panel to full brightness

'''

self.set_level(1)

def get_level(self) -> float:

'''

Returns current level of eye panel illumination as a percentage

'''

return float(self.mem.retrieveState("eyes"))