102 lines
3.9 KiB
Python
102 lines
3.9 KiB
Python
#!/usr/bin/python3
|
|
# SPDX-FileCopyrightText: 2025 Tim Cocks for Adafruit Industries
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
"""
|
|
Display a simple test pattern of 3 shapes on a single 64x32 matrix panel.
|
|
|
|
Run like this:
|
|
|
|
$ python simpletest.py
|
|
|
|
"""
|
|
import adafruit_raspberry_pi5_piomatter
|
|
import numpy as np
|
|
import rainbowio
|
|
from PIL import Image, ImageDraw
|
|
|
|
width = 64
|
|
height = 32
|
|
pen_radius = 1
|
|
|
|
|
|
canvas = Image.new('RGB', (width, height), (0, 0, 0))
|
|
draw = ImageDraw.Draw(canvas)
|
|
|
|
geometry = adafruit_raspberry_pi5_piomatter.Geometry(width=width, height=height, n_addr_lines=4,
|
|
rotation=adafruit_raspberry_pi5_piomatter.Orientation.Normal)
|
|
framebuffer = np.asarray(canvas) + 0 # Make a mutable copy
|
|
matrix = adafruit_raspberry_pi5_piomatter.AdafruitMatrixBonnetRGB888Packed(framebuffer, geometry)
|
|
|
|
color_index = 0
|
|
|
|
def update_matrix():
|
|
framebuffer[:] = np.asarray(canvas)
|
|
matrix.show()
|
|
|
|
def darken_color(hex_color, darkness_factor):
|
|
# Convert hex color number to RGB
|
|
r = (hex_color >> 16) & 0xFF
|
|
g = (hex_color >> 8) & 0xFF
|
|
b = hex_color & 0xFF
|
|
|
|
# Apply darkness factor
|
|
r = int(r * (1 - darkness_factor))
|
|
g = int(g * (1 - darkness_factor))
|
|
b = int(b * (1 - darkness_factor))
|
|
|
|
# Ensure values are within the valid range
|
|
r = max(0, min(255, r))
|
|
g = max(0, min(255, g))
|
|
b = max(0, min(255, b))
|
|
|
|
# Convert RGB back to hex number
|
|
darkened_hex_color = (r << 16) + (g << 8) + b
|
|
|
|
return darkened_hex_color
|
|
|
|
step_count = 4
|
|
darkness_factor = 0.5
|
|
|
|
clearing = False
|
|
|
|
try:
|
|
# step_down_size = pen_radius * 2 + 2
|
|
|
|
while True:
|
|
for step in range(step_count):
|
|
step_down_size = step * (pen_radius* 2) + (2 * step)
|
|
for x in range(pen_radius + step_down_size, width - pen_radius - step_down_size - 1):
|
|
color_index = (color_index + 2) % 256
|
|
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
|
|
draw.circle((x, pen_radius + step_down_size), pen_radius, color)
|
|
update_matrix()
|
|
for y in range(pen_radius + step_down_size, height - pen_radius - step_down_size - 1):
|
|
color_index = (color_index + 2) % 256
|
|
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
|
|
draw.circle((width - pen_radius - step_down_size -1, y), pen_radius, color)
|
|
update_matrix()
|
|
for x in range(width - pen_radius - step_down_size - 1, pen_radius + step_down_size, -1):
|
|
color_index = (color_index + 2) % 256
|
|
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
|
|
draw.circle((x, height - pen_radius - step_down_size - 1), pen_radius, color)
|
|
update_matrix()
|
|
for y in range(height - pen_radius - step_down_size - 1, pen_radius + ((step+1) * (pen_radius* 2) + (2 * (step+1))) -1, -1):
|
|
color_index = (color_index + 2) % 256
|
|
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
|
|
draw.circle((pen_radius + step_down_size, y), pen_radius, color)
|
|
update_matrix()
|
|
|
|
if step != step_count-1:
|
|
# connect to next iter
|
|
for x in range(pen_radius + step_down_size, pen_radius + ((step+1) * (pen_radius* 2) + (2 * (step+1)))):
|
|
color_index = (color_index + 2) % 256
|
|
color = darken_color(rainbowio.colorwheel(color_index),
|
|
darkness_factor) if not clearing else 0x000000
|
|
draw.circle((x, pen_radius + ((step+1) * (pen_radius* 2) + (2 * (step+1)))), pen_radius, color)
|
|
update_matrix()
|
|
|
|
clearing = not clearing
|
|
|
|
except KeyboardInterrupt:
|
|
print("Exiting")
|