If you want to engage in camera driver software development, what basic information is needed? This article summarizes it. From the perspective of independent components, it includes two parts: the sensor module and the core board; thus, the core of the driver software is to ensure the connection between the two. The common hardware interfaces … Read more
How to Determine if a Sensor is Lit Up? ① The sensor’s chip ID can be correctly read via I2C, meaning I2C communication is normal; ② Using the media-ctl tool, the pipeline can be viewed, showing the sensor’s specific resolution and format; ③ Using V4L2 tools to capture images without errors, with normal data output, … Read more
For detailed information, please refer to Section 3.13.6 of the “OrangePi_Zero2_H616_User_Manual_v4.0.pdf” regarding USB camera testing. Steps are as follows: 1.First, plug the USB camera into the USB port of the Orange Pi development board.2.Then, use the lsmod command to see that the kernel has automatically loaded the following module: orangepi@orangepi:~$ lsmod | grep uvcvideo | … Read more