test for brightness up/down control codes

brightness_test.py

import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
from adafruit_hid.consumer_control import ConsumerControl
import time

# HID setup
kbd = Keyboard(usb_hid.devices)
cc = ConsumerControl(usb_hid.devices)

from adafruit_circuitplayground import cp

while True:
    if cp.button_a:
        print("Button A pressed!")
        cc.send(0x6f)
        time.sleep(0.5)
    
    if cp.button_b:
        print("Button B pressed!")
        cc.send(0x70)
        time.sleep(0.5)