diagnostics.py

##
# Run this code to check if all your LEDs are working
# 1 - Tests each LED in a loop
# 2 - Turns all LEDs off
# 3 - Turns all LEDs on
# 3 - Fades in and out using PWM (gpizero api)
##

import time
from gpiozero import LEDBoard
from gpiozero.tools import random_values
tree = LEDBoard(*list(range(2, 28)), pwm=True)

print("DIAG_XMAS  - Tree diagnostics terminal...")

print("DIAG_X_001 - Loop all LEDs ON")
for led in tree:
    print(("DIAG_X_003 - LED " + str(led.pin) + " - ON"))
    led.on()
    time.sleep(1)

print("DIAG_X_002 - All LEDs OFF")
tree.off()
time.sleep(1)

print("DIAG_X_003 - All LEDs ON")
tree.on()
time.sleep(3)

print("DIAG_X_004 - All LEDs Fade on and off 3 times with PWM")
tree.off()
tree.pulse(1, 1, 3, False)

print("DIAG_XMAS  - Diagnostics Complete. Merry XMAS!")