Simple test

Ensure your device works with this simple test.

examples/pixel_framebuf_simpletest.py
 1# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
 2# SPDX-License-Identifier: MIT
 3"""
 4This example runs on an Adafruit NeoPixel Feather
 5"""
 6
 7import board
 8import neopixel
 9
10from adafruit_pixel_framebuf import PixelFramebuffer
11
12pixel_pin = board.D6
13pixel_width = 8
14pixel_height = 4
15
16pixels = neopixel.NeoPixel(
17    pixel_pin,
18    pixel_width * pixel_height,
19    brightness=0.1,
20    auto_write=False,
21)
22
23pixel_framebuf = PixelFramebuffer(
24    pixels,
25    pixel_width,
26    pixel_height,
27    alternating=False,
28)
29
30pixel_framebuf.fill(0x000088)
31pixel_framebuf.pixel(5, 1, 0xFFFF00)
32pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
33pixel_framebuf.display()
examples/pixel_framebuf_dotstar_simpletest.py
 1# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
 2# SPDX-License-Identifier: MIT
 3"""
 4This example runs on an Adafruit Dotstar Feather
 5"""
 6
 7import adafruit_dotstar
 8import board
 9
10from adafruit_pixel_framebuf import PixelFramebuffer
11
12pixel_pin = board.D6
13pixel_width = 12
14pixel_height = 6
15
16pixels = adafruit_dotstar.DotStar(
17    board.D13,
18    board.D11,
19    pixel_width * pixel_height,
20    brightness=0.3,
21    auto_write=False,
22)
23
24pixel_framebuf = PixelFramebuffer(
25    pixels,
26    pixel_width,
27    pixel_height,
28    alternating=False,
29)
30
31pixel_framebuf.fill(0x000088)
32pixel_framebuf.pixel(5, 1, 0xFFFF00)
33pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
34pixel_framebuf.display()

Other Examples

Some other examples for using this library

examples/pixel_framebuf_32x8_test.py
 1# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
 2# SPDX-License-Identifier: MIT
 3import board
 4import neopixel
 5
 6from adafruit_pixel_framebuf import VERTICAL, PixelFramebuffer
 7
 8pixel_pin = board.D6
 9pixel_width = 32
10pixel_height = 8
11
12pixels = neopixel.NeoPixel(
13    pixel_pin,
14    pixel_width * pixel_height,
15    brightness=0.1,
16    auto_write=False,
17)
18
19pixel_framebuf = PixelFramebuffer(
20    pixels, pixel_width, pixel_height, orientation=VERTICAL, rotation=2
21)
22
23pixel_framebuf.fill(0x000088)
24pixel_framebuf.pixel(2, 1, 0xFFFF00)
25pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
26pixel_framebuf.line(0, pixel_height - 1, pixel_width - 1, 0, 0x00FF00)
27pixel_framebuf.circle(pixel_width // 2 - 1, pixel_height // 2 - 1, 4, 0xFF0000)
28pixel_framebuf.rect(1, 2, 8, pixel_height - 3, 0xFF00FF)
29pixel_framebuf.display()
examples/pixel_framebuf_16x16_animation.py
 1# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
 2# SPDX-License-Identifier: MIT
 3import board
 4import neopixel
 5
 6from adafruit_pixel_framebuf import PixelFramebuffer
 7
 8pixel_pin = board.D6
 9pixel_width = 16
10pixel_height = 16
11
12pixels = neopixel.NeoPixel(
13    pixel_pin,
14    pixel_width * pixel_height,
15    brightness=0.1,
16    auto_write=False,
17)
18
19pixel_framebuf = PixelFramebuffer(
20    pixels,
21    pixel_width,
22    pixel_height,
23    reverse_x=True,
24)
25
26text = "Welcome to CircuitPython"
27
28while True:
29    for i in range(6 * len(text) + pixel_width):
30        pixel_framebuf.fill(0x000088)
31        pixel_framebuf.pixel(2, 1, 0x00FFFF)
32        pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
33        pixel_framebuf.line(0, pixel_width - 1, pixel_height - 1, 0, 0x00FF00)
34        pixel_framebuf.fill_rect(2, 3, 12, 10, 0x000000)
35        pixel_framebuf.text(text, pixel_width - i, 4, 0xFFFF00)
36        pixel_framebuf.rect(1, 2, 14, 12, 0xFF0000)
37        pixel_framebuf.line(0, 2, 0, 14, 0x000088)
38        pixel_framebuf.line(pixel_width - 1, 2, pixel_width - 1, 14, 0x000088)
39        pixel_framebuf.display()