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hzeller / rpi-rgb-led-matrix

Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO
GNU General Public License v2.0
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FYI #1654

Open MiguelElBigodon opened 4 months ago

MiguelElBigodon commented 4 months ago

I have the following error: FYI: not running as root which means we can't properly control timing unless this is a real-time kernel. Expect color degradation. Consider running as root with sudo.

How can I solve this problem?

I have the adafruit matrix hat+real time clock board, two 16x32 matrices and a Raspberry Pi 4b.

hzeller commented 4 months ago

On Thu, May 16, 2024, 11:48 MiguelElBigodon @.***> wrote:

I have the following error: FYI: not running as root which means we can't properly control timing unless this is a real-time kernel. Expect color degradation. Consider running as root with sudo.

How can I solve this problem?

Run with sudo

I have the adafruit matrix hat+real time clock board, two 16x32 matrices

and a Raspberry Pi 4b.

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MiguelElBigodon commented 4 months ago

The problem:

sudo python3 /home/migasboss/rpi-rgb-led-matrix/bindings/python/samples/runtext.py Press CTRL-C to stop sample Traceback (most recent call last): File "/home/migasboss/rpi-rgb-led-matrix/bindings/python/samples/runtext.py", line 33, in File "/home/migasboss/rpi-rgb-led-matrix/bindings/python/samples/samplebase.py", line 76, in process File "/home/migasboss/rpi-rgb-led-matrix/bindings/python/samples/runtext.py", line 14, in run File "graphics.pyx", line 32, in rgbmatrix.graphics.Font.LoadFont Exception: Couldn't load font ../../../fonts/4x6.bdf

Fonts imagem IMG_20240516_202842.jpg

Runtext: from samplebase import SampleBase from rgbmatrix import graphics import time class RunText(SampleBase): def init(self, *args, *kwargs): super(RunText, self).init(args, **kwargs) self.parser.add_argument("-t", "--text", help="The text to scroll on the RGB LED panel", default="MECATRONICA") def run(self): offscreen_canvas = self.matrix.CreateFrameCanvas() font = graphics.Font() font.LoadFont("../../../fonts/4x6.bdf") textColor = graphics.Color(255, 255, 0) pos = offscreen_canvas.width my_text = self.args.text while True: offscreen_canvas.Clear() len = graphics.DrawText(offscreen_canvas, font, pos, 25, textColor, my_text) pos -= 1 if (pos + len < 0): pos = offscreen_canvas.width time.sleep(0.05) offscreen_canvas = self.matrix.SwapOnVSync(offscreen_canvas) # Main function if name == "main": run_text = RunText() if (not run_text.process()): run_text.print_help()

MiguelElBigodon commented 4 months ago

I'm having the problem mentioned above, which says I don't have the bdf files but they're all in the folder where they should be.

davemaster commented 4 months ago

A little more reading of "README.MD" in this repository, and problem solved... a little more. An advice, before using python scripts, try using the demo within the examples-api-use folder.

Best regards

PD. IN python, the code must be PERFECTLY indented, otherwise... ERROR everywhere...