# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries # SPDX-License-Identifier: MIT """ Test script for display animations on an HT16K33 with alphanumeric display The display must be initialized with auto_write=False. """ from time import sleep import board from adafruit_ht16k33.animations import Animation from adafruit_ht16k33.segments import Seg14x4 # Initialize the I2C bus i2c = board.I2C() # uses board.SCL and board.SDA # i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller display = Seg14x4(i2c, auto_write=False) # Brightness of the display (0.0 to 1.0) display.brightness = 0.3 ani = Animation(display) try: text = "Init" display.fill(1) display.show() sleep(1) display.fill(0) display.show() display.print(text) display.show() sleep(2) display.fill(0) display.show() sleep(1) ani.count_down() sleep(0.2) text = "Go!!" display.print(text) display.show() sleep(1.5) display.fill(0) display.show() sleep(0.5) print() while True: # Arrow print("Arrow") ani.animate([0, 1, 2], [192], 0.1) ani.animate([3], [2368], 0.1) sleep(1.0) display.fill(0) sleep(1.0) # Flying print("Flying") cyc = 0 while cyc < 5: ani.animate([0], [1280, 192, 10240, 192], 0.2) cyc += 1 ani.animate([0], [0]) sleep(1.0) display.fill(0) sleep(1.0) # Chase forward and reverse. print("Chase forward and reverse") ani.chase_forward_and_reverse(0.01, 5) sleep(1.0) display.fill(0) sleep(1.0) # Testing writing to more than one segment simultaneously print("Prelude to Spinners") ani.prelude_to_spinners(0.1, 5) sleep(1.0) display.fill(0) display.show() sleep(1.0) print("Spinners") ani.spinners(0.1, 20) sleep(1.0) display.fill(0) display.show() sleep(1.0) print("Enclosed Spinners") ani.enclosed_spinners(0.1, 20) sleep(1.0) display.fill(0) display.show() sleep(1.0) print() except KeyboardInterrupt: display.fill(0) display.show()