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Camera board • Re: How to receive the Images created by an external trigger of the GS camera

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That's odd. When I run your script it prints the following:

Code:

1[0:06:52.076391542] [2215]  INFO Camera camera_manager.cpp:326 libcamera v0.5.1+100-e53bdf1f[0:06:52.105038582] [2223]  WARN RPiSdn sdn.cpp:40 Using legacy SDN tuning - please consider moving SDN inside rpi.denoise[0:06:52.106987995] [2223]  INFO RPI vc4.cpp:440 Registered camera /base/soc/i2c0mux/i2c@1/imx296@1a to Unicam device /dev/media4 and ISP device /dev/media1[0:06:52.107117643] [2223]  INFO RPI pipeline_base.cpp:1107 Using configuration file './timeout.yaml'[0:06:52.114686409] [2215]  INFO Camera camera.cpp:1205 configuring streams: (0) 640x480-RGB888/sRGB (1) 1456x1088-SBGGR10_CSI2P/RAW[0:06:52.117276633] [2223]  INFO RPI vc4.cpp:615 Sensor: /base/soc/i2c0mux/i2c@1/imx296@1a - Selected sensor format: 1456x1088-SBGGR10_1X10 - Selected unicam format: 1456x1088-pBAA
and then waits for the camera.

With extra punctuation I get:

Code:

1[0:15:50.230517431] [2402]  INFO Camera camera_manager.cpp:326 libcamera v0.5.1+100-e53bdf1f[0:15:50.258731522] [2410]  WARN RPiSdn sdn.cpp:40 Using legacy SDN tuning - please consider moving SDN inside rpi.denoise[0:15:50.260774642] [2410]  INFO RPI vc4.cpp:440 Registered camera /base/soc/i2c0mux/i2c@1/imx296@1a to Unicam device /dev/media4 and ISP device /dev/media1[0:15:50.260866734] [2410]  INFO RPI pipeline_base.cpp:1107 Using configuration file './timeout.yaml'[0:15:50.260942882] [2410] ERROR YamlParser yaml_parser.cpp:515 ./timeout.yaml:0:0 did not find expected node content while parsing a block node[0:15:50.260962882] [2410] ERROR YamlParser yaml_parser.cpp:775 Failed to parse YAML content from ./timeout.yaml[0:15:50.260978549] [2410]  WARN RPI pipeline_base.cpp:1111 Failed to parse configuration file, using defaults[0:15:50.270744800] [2402]  INFO Camera camera.cpp:1205 configuring streams: (0) 640x480-RGB888/sRGB (1) 1456x1088-SBGGR10_CSI2P/RAW[0:15:50.271319815] [2410]  INFO RPI vc4.cpp:615 Sensor: /base/soc/i2c0mux/i2c@1/imx296@1a - Selected sensor format: 1456x1088-SBGGR10_1X10 - Selected unicam format: 1456x1088-pBAA[0:15:51.883367707] [2410]  WARN V4L2 v4l2_videodevice.cpp:2151 /dev/video0[15:cap]: Dequeue timer of 1000000.00us has expired![0:15:51.883475818] [2410] ERROR RPI pipeline_base.cpp:1346 Camera frontend has timed out![0:15:51.883491318] [2410] ERROR RPI pipeline_base.cpp:1347 Please check that your camera sensor connector is attached securely.[0:15:51.883505540] [2410] ERROR RPI pipeline_base.cpp:1348 Alternatively, try another cable and/or sensor.
and a timeout as expected.

Statistics: Posted by njh — Tue Aug 05, 2025 5:54 pm



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