On a Pi5 with V3 camera module, this worked fine in a venv with gpiod library installed via pip, to blink an LED on GPIO21 whilst camera preview is running:
Code:
from picamera2 import Picamera2, Previewfrom time import sleepimport gpiodfrom gpiod.line import Direction, Valuepicam2 = Picamera2()camera_config = picam2.create_preview_configuration()picam2.configure(camera_config)picam2.start_preview(Preview.QTGL)picam2.start()LINE = 21with gpiod.request_lines( "/dev/gpiochip4", consumer="blink-example", config={ LINE: gpiod.LineSettings( direction=Direction.OUTPUT, output_value=Value.ACTIVE ) },) as request: n=0 while n<10: request.set_value(LINE, Value.ACTIVE) sleep(1) request.set_value(LINE, Value.INACTIVE) sleep(1) n=n+1picam2.capture_file("test.jpg")print("Done")Statistics: Posted by neilgl — Wed Mar 20, 2024 9:02 pm