library_example.py

# The MIT License (MIT)
#
# Copyright (c) 2020 Gregory M Paris
#
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# THE SOFTWARE.
"""
`i2c_button_simpletest`
================================================================================

Demonstrate CircuitPython I2C Button (Sparkfun Qwiic Button/Switch/Arcade)


* Author(s): Gregory M Paris

modified by ilan mandel 2021
"""

# imports
import time
from random import randint
import board
import busio
from i2c_button import I2C_Button

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

# scan the I2C bus for devices
while not i2c.try_lock():
	pass
devices = i2c.scan()
i2c.unlock()
print('I2C devices found:', [hex(n) for n in devices])
default_addr = 0x6f
if default_addr not in devices:
	print('warning: no device at the default button address', default_addr)

# initialize the button
button = I2C_Button(i2c)

# print some stuff
print('firmware version', button.version)
print('interrupts', button.interrupts)
print('debounce ms', button.debounce_ms)

# demonstrate writing to registers
button.led_bright = randint(0, 255)
button.led_gran = randint(0, 1)
button.led_cycle_ms = randint(250, 2000)
button.led_off_ms = randint(100, 500)

# demonstrate reading those registers
print('LED brightness', button.led_bright)
print('LED granularity', button.led_gran)
print('LED cycle ms', button.led_cycle_ms)
print('LED off ms', button.led_off_ms)

# demonstrate button behavior
while True:
	try:
		button.clear() # status must be cleared manually
		time.sleep(1)
		print('status', button.status)
		print('last click ms', button.last_click_ms)
		print('last press ms', button.last_press_ms)
	except KeyboardInterrupt:
		button.clear()
		button.led_bright = 0
		button.led_gran = 1
		button.led_cycle_ms = 0
		button.led_off_ms = 100
		break